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   1  <?php
   2  /**
   3   * Deprecated functions from past WordPress versions. You shouldn't use these
   4   * functions and look for the alternatives instead. The functions will be
   5   * removed in a later version.
   6   *
   7   * @package WordPress
   8   * @subpackage Deprecated
   9   */
  10  
  11  /*
  12   * Deprecated functions come here to die.
  13   */
  14  
  15  /**
  16   * Retrieves all post data for a given post.
  17   *
  18   * @since 0.71
  19   * @deprecated 1.5.1 Use get_post()
  20   * @see get_post()
  21   *
  22   * @param int $postid Post ID.
  23   * @return array Post data.
  24   */
  25  function get_postdata($postid) {
  26      _deprecated_function( __FUNCTION__, '1.5.1', 'get_post()' );
  27  
  28      $post = get_post($postid);
  29  
  30      $postdata = array (
  31          'ID' => $post->ID,
  32          'Author_ID' => $post->post_author,
  33          'Date' => $post->post_date,
  34          'Content' => $post->post_content,
  35          'Excerpt' => $post->post_excerpt,
  36          'Title' => $post->post_title,
  37          'Category' => $post->post_category,
  38          'post_status' => $post->post_status,
  39          'comment_status' => $post->comment_status,
  40          'ping_status' => $post->ping_status,
  41          'post_password' => $post->post_password,
  42          'to_ping' => $post->to_ping,
  43          'pinged' => $post->pinged,
  44          'post_type' => $post->post_type,
  45          'post_name' => $post->post_name
  46      );
  47  
  48      return $postdata;
  49  }
  50  
  51  /**
  52   * Sets up the WordPress Loop.
  53   *
  54   * Use The Loop instead.
  55   *
  56   * @link https://developer.wordpress.org/themes/basics/the-loop/
  57   *
  58   * @since 1.0.1
  59   * @deprecated 1.5.0
  60   */
  61  function start_wp() {
  62      global $wp_query;
  63  
  64      _deprecated_function( __FUNCTION__, '1.5.0', __('new WordPress Loop') );
  65  
  66      // Since the old style loop is being used, advance the query iterator here.
  67      $wp_query->next_post();
  68  
  69      setup_postdata( get_post() );
  70  }
  71  
  72  /**
  73   * Returns or prints a category ID.
  74   *
  75   * @since 0.71
  76   * @deprecated 0.71 Use get_the_category()
  77   * @see get_the_category()
  78   *
  79   * @param bool $echo Optional. Whether to echo the output. Default true.
  80   * @return int Category ID.
  81   */
  82  function the_category_ID($echo = true) {
  83      _deprecated_function( __FUNCTION__, '0.71', 'get_the_category()' );
  84  
  85      // Grab the first cat in the list.
  86      $categories = get_the_category();
  87      $cat = $categories[0]->term_id;
  88  
  89      if ( $echo )
  90          echo $cat;
  91  
  92      return $cat;
  93  }
  94  
  95  /**
  96   * Prints a category with optional text before and after.
  97   *
  98   * @since 0.71
  99   * @deprecated 0.71 Use get_the_category_by_ID()
 100   * @see get_the_category_by_ID()
 101   *
 102   * @param string $before Optional. Text to display before the category. Default empty.
 103   * @param string $after  Optional. Text to display after the category. Default empty.
 104   */
 105  function the_category_head( $before = '', $after = '' ) {
 106      global $currentcat, $previouscat;
 107  
 108      _deprecated_function( __FUNCTION__, '0.71', 'get_the_category_by_ID()' );
 109  
 110      // Grab the first cat in the list.
 111      $categories = get_the_category();
 112      $currentcat = $categories[0]->category_id;
 113      if ( $currentcat != $previouscat ) {
 114          echo $before;
 115          echo get_the_category_by_ID($currentcat);
 116          echo $after;
 117          $previouscat = $currentcat;
 118      }
 119  }
 120  
 121  /**
 122   * Prints a link to the previous post.
 123   *
 124   * @since 1.5.0
 125   * @deprecated 2.0.0 Use previous_post_link()
 126   * @see previous_post_link()
 127   *
 128   * @param string $format
 129   * @param string $previous
 130   * @param string $title
 131   * @param string $in_same_cat
 132   * @param int    $limitprev
 133   * @param string $excluded_categories
 134   */
 135  function previous_post($format='%', $previous='previous post: ', $title='yes', $in_same_cat='no', $limitprev=1, $excluded_categories='') {
 136  
 137      _deprecated_function( __FUNCTION__, '2.0.0', 'previous_post_link()' );
 138  
 139      if ( empty($in_same_cat) || 'no' == $in_same_cat )
 140          $in_same_cat = false;
 141      else
 142          $in_same_cat = true;
 143  
 144      $post = get_previous_post($in_same_cat, $excluded_categories);
 145  
 146      if ( !$post )
 147          return;
 148  
 149      $string = '<a href="'.get_permalink($post->ID).'">'.$previous;
 150      if ( 'yes' == $title )
 151          $string .= apply_filters('the_title', $post->post_title, $post->ID);
 152      $string .= '</a>';
 153      $format = str_replace('%', $string, $format);
 154      echo $format;
 155  }
 156  
 157  /**
 158   * Prints link to the next post.
 159   *
 160   * @since 0.71
 161   * @deprecated 2.0.0 Use next_post_link()
 162   * @see next_post_link()
 163   *
 164   * @param string $format
 165   * @param string $next
 166   * @param string $title
 167   * @param string $in_same_cat
 168   * @param int $limitnext
 169   * @param string $excluded_categories
 170   */
 171  function next_post($format='%', $next='next post: ', $title='yes', $in_same_cat='no', $limitnext=1, $excluded_categories='') {
 172      _deprecated_function( __FUNCTION__, '2.0.0', 'next_post_link()' );
 173  
 174      if ( empty($in_same_cat) || 'no' == $in_same_cat )
 175          $in_same_cat = false;
 176      else
 177          $in_same_cat = true;
 178  
 179      $post = get_next_post($in_same_cat, $excluded_categories);
 180  
 181      if ( !$post    )
 182          return;
 183  
 184      $string = '<a href="'.get_permalink($post->ID).'">'.$next;
 185      if ( 'yes' == $title )
 186          $string .= apply_filters('the_title', $post->post_title, $post->ID);
 187      $string .= '</a>';
 188      $format = str_replace('%', $string, $format);
 189      echo $format;
 190  }
 191  
 192  /**
 193   * Whether user can create a post.
 194   *
 195   * @since 1.5.0
 196   * @deprecated 2.0.0 Use current_user_can()
 197   * @see current_user_can()
 198   *
 199   * @param int $user_id
 200   * @param int $blog_id Not Used
 201   * @param int $category_id Not Used
 202   * @return bool
 203   */
 204  function user_can_create_post($user_id, $blog_id = 1, $category_id = 'None') {
 205      _deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
 206  
 207      $author_data = get_userdata($user_id);
 208      return ($author_data->user_level > 1);
 209  }
 210  
 211  /**
 212   * Whether user can create a post.
 213   *
 214   * @since 1.5.0
 215   * @deprecated 2.0.0 Use current_user_can()
 216   * @see current_user_can()
 217   *
 218   * @param int $user_id
 219   * @param int $blog_id Not Used
 220   * @param int $category_id Not Used
 221   * @return bool
 222   */
 223  function user_can_create_draft($user_id, $blog_id = 1, $category_id = 'None') {
 224      _deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
 225  
 226      $author_data = get_userdata($user_id);
 227      return ($author_data->user_level >= 1);
 228  }
 229  
 230  /**
 231   * Whether user can edit a post.
 232   *
 233   * @since 1.5.0
 234   * @deprecated 2.0.0 Use current_user_can()
 235   * @see current_user_can()
 236   *
 237   * @param int $user_id
 238   * @param int $post_id
 239   * @param int $blog_id Not Used
 240   * @return bool
 241   */
 242  function user_can_edit_post($user_id, $post_id, $blog_id = 1) {
 243      _deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
 244  
 245      $author_data = get_userdata($user_id);
 246      $post = get_post($post_id);
 247      $post_author_data = get_userdata($post->post_author);
 248  
 249      if ( (($user_id == $post_author_data->ID) && !($post->post_status == 'publish' && $author_data->user_level < 2))
 250              || ($author_data->user_level > $post_author_data->user_level)
 251              || ($author_data->user_level >= 10) ) {
 252          return true;
 253      } else {
 254          return false;
 255      }
 256  }
 257  
 258  /**
 259   * Whether user can delete a post.
 260   *
 261   * @since 1.5.0
 262   * @deprecated 2.0.0 Use current_user_can()
 263   * @see current_user_can()
 264   *
 265   * @param int $user_id
 266   * @param int $post_id
 267   * @param int $blog_id Not Used
 268   * @return bool
 269   */
 270  function user_can_delete_post($user_id, $post_id, $blog_id = 1) {
 271      _deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
 272  
 273      // Right now if one can edit, one can delete.
 274      return user_can_edit_post($user_id, $post_id, $blog_id);
 275  }
 276  
 277  /**
 278   * Whether user can set new posts' dates.
 279   *
 280   * @since 1.5.0
 281   * @deprecated 2.0.0 Use current_user_can()
 282   * @see current_user_can()
 283   *
 284   * @param int $user_id
 285   * @param int $blog_id Not Used
 286   * @param int $category_id Not Used
 287   * @return bool
 288   */
 289  function user_can_set_post_date($user_id, $blog_id = 1, $category_id = 'None') {
 290      _deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
 291  
 292      $author_data = get_userdata($user_id);
 293      return (($author_data->user_level > 4) && user_can_create_post($user_id, $blog_id, $category_id));
 294  }
 295  
 296  /**
 297   * Whether user can delete a post.
 298   *
 299   * @since 1.5.0
 300   * @deprecated 2.0.0 Use current_user_can()
 301   * @see current_user_can()
 302   *
 303   * @param int $user_id
 304   * @param int $post_id
 305   * @param int $blog_id Not Used
 306   * @return bool returns true if $user_id can edit $post_id's date
 307   */
 308  function user_can_edit_post_date($user_id, $post_id, $blog_id = 1) {
 309      _deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
 310  
 311      $author_data = get_userdata($user_id);
 312      return (($author_data->user_level > 4) && user_can_edit_post($user_id, $post_id, $blog_id));
 313  }
 314  
 315  /**
 316   * Whether user can delete a post.
 317   *
 318   * @since 1.5.0
 319   * @deprecated 2.0.0 Use current_user_can()
 320   * @see current_user_can()
 321   *
 322   * @param int $user_id
 323   * @param int $post_id
 324   * @param int $blog_id Not Used
 325   * @return bool returns true if $user_id can edit $post_id's comments
 326   */
 327  function user_can_edit_post_comments($user_id, $post_id, $blog_id = 1) {
 328      _deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
 329  
 330      // Right now if one can edit a post, one can edit comments made on it.
 331      return user_can_edit_post($user_id, $post_id, $blog_id);
 332  }
 333  
 334  /**
 335   * Whether user can delete a post.
 336   *
 337   * @since 1.5.0
 338   * @deprecated 2.0.0 Use current_user_can()
 339   * @see current_user_can()
 340   *
 341   * @param int $user_id
 342   * @param int $post_id
 343   * @param int $blog_id Not Used
 344   * @return bool returns true if $user_id can delete $post_id's comments
 345   */
 346  function user_can_delete_post_comments($user_id, $post_id, $blog_id = 1) {
 347      _deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
 348  
 349      // Right now if one can edit comments, one can delete comments.
 350      return user_can_edit_post_comments($user_id, $post_id, $blog_id);
 351  }
 352  
 353  /**
 354   * Can user can edit other user.
 355   *
 356   * @since 1.5.0
 357   * @deprecated 2.0.0 Use current_user_can()
 358   * @see current_user_can()
 359   *
 360   * @param int $user_id
 361   * @param int $other_user
 362   * @return bool
 363   */
 364  function user_can_edit_user($user_id, $other_user) {
 365      _deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
 366  
 367      $user  = get_userdata($user_id);
 368      $other = get_userdata($other_user);
 369      if ( $user->user_level > $other->user_level || $user->user_level > 8 || $user->ID == $other->ID )
 370          return true;
 371      else
 372          return false;
 373  }
 374  
 375  /**
 376   * Gets the links associated with category $cat_name.
 377   *
 378   * @since 0.71
 379   * @deprecated 2.1.0 Use get_bookmarks()
 380   * @see get_bookmarks()
 381   *
 382   * @param string $cat_name         Optional. The category name to use. If no match is found, uses all.
 383   *                                 Default 'noname'.
 384   * @param string $before           Optional. The HTML to output before the link. Default empty.
 385   * @param string $after            Optional. The HTML to output after the link. Default '<br />'.
 386   * @param string $between          Optional. The HTML to output between the link/image and its description.
 387   *                                 Not used if no image or $show_images is true. Default ' '.
 388   * @param bool   $show_images      Optional. Whether to show images (if defined). Default true.
 389   * @param string $orderby          Optional. The order to output the links. E.g. 'id', 'name', 'url',
 390   *                                 'description', 'rating', or 'owner'. Default 'id'.
 391   *                                 If you start the name with an underscore, the order will be reversed.
 392   *                                 Specifying 'rand' as the order will return links in a random order.
 393   * @param bool   $show_description Optional. Whether to show the description if show_images=false/not defined.
 394   *                                 Default true.
 395   * @param bool   $show_rating      Optional. Show rating stars/chars. Default false.
 396   * @param int    $limit            Optional. Limit to X entries. If not specified, all entries are shown.
 397   *                                 Default -1.
 398   * @param int    $show_updated     Optional. Whether to show last updated timestamp. Default 0.
 399   */
 400  function get_linksbyname($cat_name = "noname", $before = '', $after = '<br />', $between = " ", $show_images = true, $orderby = 'id',
 401                          $show_description = true, $show_rating = false,
 402                          $limit = -1, $show_updated = 0) {
 403      _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
 404  
 405      $cat_id = -1;
 406      $cat = get_term_by('name', $cat_name, 'link_category');
 407      if ( $cat )
 408          $cat_id = $cat->term_id;
 409  
 410      get_links($cat_id, $before, $after, $between, $show_images, $orderby, $show_description, $show_rating, $limit, $show_updated);
 411  }
 412  
 413  /**
 414   * Gets the links associated with the named category.
 415   *
 416   * @since 1.0.1
 417   * @deprecated 2.1.0 Use wp_list_bookmarks()
 418   * @see wp_list_bookmarks()
 419   *
 420   * @param string $category The category to use.
 421   * @param string $args
 422   * @return string|null
 423   */
 424  function wp_get_linksbyname($category, $args = '') {
 425      _deprecated_function(__FUNCTION__, '2.1.0', 'wp_list_bookmarks()');
 426  
 427      $defaults = array(
 428          'after' => '<br />',
 429          'before' => '',
 430          'categorize' => 0,
 431          'category_after' => '',
 432          'category_before' => '',
 433          'category_name' => $category,
 434          'show_description' => 1,
 435          'title_li' => '',
 436      );
 437  
 438      $parsed_args = wp_parse_args( $args, $defaults );
 439  
 440      return wp_list_bookmarks($parsed_args);
 441  }
 442  
 443  /**
 444   * Gets an array of link objects associated with category $cat_name.
 445   *
 446   *     $links = get_linkobjectsbyname( 'fred' );
 447   *     foreach ( $links as $link ) {
 448   *          echo '<li>' . $link->link_name . '</li>';
 449   *     }
 450   *
 451   * @since 1.0.1
 452   * @deprecated 2.1.0 Use get_bookmarks()
 453   * @see get_bookmarks()
 454   *
 455   * @param string $cat_name Optional. The category name to use. If no match is found, uses all.
 456   *                         Default 'noname'.
 457   * @param string $orderby  Optional. The order to output the links. E.g. 'id', 'name', 'url',
 458   *                         'description', 'rating', or 'owner'. Default 'name'.
 459   *                         If you start the name with an underscore, the order will be reversed.
 460   *                         Specifying 'rand' as the order will return links in a random order.
 461   * @param int    $limit    Optional. Limit to X entries. If not specified, all entries are shown.
 462   *                         Default -1.
 463   * @return array
 464   */
 465  function get_linkobjectsbyname($cat_name = "noname" , $orderby = 'name', $limit = -1) {
 466      _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
 467  
 468      $cat_id = -1;
 469      $cat = get_term_by('name', $cat_name, 'link_category');
 470      if ( $cat )
 471          $cat_id = $cat->term_id;
 472  
 473      return get_linkobjects($cat_id, $orderby, $limit);
 474  }
 475  
 476  /**
 477   * Gets an array of link objects associated with category n.
 478   *
 479   * Usage:
 480   *
 481   *     $links = get_linkobjects(1);
 482   *     if ($links) {
 483   *         foreach ($links as $link) {
 484   *             echo '<li>'.$link->link_name.'<br />'.$link->link_description.'</li>';
 485   *         }
 486   *     }
 487   *
 488   * Fields are:
 489   *
 490   * - link_id
 491   * - link_url
 492   * - link_name
 493   * - link_image
 494   * - link_target
 495   * - link_category
 496   * - link_description
 497   * - link_visible
 498   * - link_owner
 499   * - link_rating
 500   * - link_updated
 501   * - link_rel
 502   * - link_notes
 503   *
 504   * @since 1.0.1
 505   * @deprecated 2.1.0 Use get_bookmarks()
 506   * @see get_bookmarks()
 507   *
 508   * @param int    $category Optional. The category to use. If no category supplied, uses all.
 509   *                         Default 0.
 510   * @param string $orderby  Optional. The order to output the links. E.g. 'id', 'name', 'url',
 511   *                         'description', 'rating', or 'owner'. Default 'name'.
 512   *                         If you start the name with an underscore, the order will be reversed.
 513   *                         Specifying 'rand' as the order will return links in a random order.
 514   * @param int    $limit    Optional. Limit to X entries. If not specified, all entries are shown.
 515   *                         Default 0.
 516   * @return array
 517   */
 518  function get_linkobjects($category = 0, $orderby = 'name', $limit = 0) {
 519      _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
 520  
 521      $links = get_bookmarks( array( 'category' => $category, 'orderby' => $orderby, 'limit' => $limit ) ) ;
 522  
 523      $links_array = array();
 524      foreach ($links as $link)
 525          $links_array[] = $link;
 526  
 527      return $links_array;
 528  }
 529  
 530  /**
 531   * Gets the links associated with category 'cat_name' and display rating stars/chars.
 532   *
 533   * @since 0.71
 534   * @deprecated 2.1.0 Use get_bookmarks()
 535   * @see get_bookmarks()
 536   *
 537   * @param string $cat_name         Optional. The category name to use. If no match is found, uses all.
 538   *                                 Default 'noname'.
 539   * @param string $before           Optional. The HTML to output before the link. Default empty.
 540   * @param string $after            Optional. The HTML to output after the link. Default '<br />'.
 541   * @param string $between          Optional. The HTML to output between the link/image and its description.
 542   *                                 Not used if no image or $show_images is true. Default ' '.
 543   * @param bool   $show_images      Optional. Whether to show images (if defined). Default true.
 544   * @param string $orderby          Optional. The order to output the links. E.g. 'id', 'name', 'url',
 545   *                                 'description', 'rating', or 'owner'. Default 'id'.
 546   *                                 If you start the name with an underscore, the order will be reversed.
 547   *                                 Specifying 'rand' as the order will return links in a random order.
 548   * @param bool   $show_description Optional. Whether to show the description if show_images=false/not defined.
 549   *                                 Default true.
 550   * @param int    $limit               Optional. Limit to X entries. If not specified, all entries are shown.
 551   *                                 Default -1.
 552   * @param int    $show_updated     Optional. Whether to show last updated timestamp. Default 0.
 553   */
 554  function get_linksbyname_withrating($cat_name = "noname", $before = '', $after = '<br />', $between = " ",
 555                                      $show_images = true, $orderby = 'id', $show_description = true, $limit = -1, $show_updated = 0) {
 556      _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
 557  
 558      get_linksbyname($cat_name, $before, $after, $between, $show_images, $orderby, $show_description, true, $limit, $show_updated);
 559  }
 560  
 561  /**
 562   * Gets the links associated with category n and display rating stars/chars.
 563   *
 564   * @since 0.71
 565   * @deprecated 2.1.0 Use get_bookmarks()
 566   * @see get_bookmarks()
 567   *
 568   * @param int    $category         Optional. The category to use. If no category supplied, uses all.
 569   *                                 Default 0.
 570   * @param string $before           Optional. The HTML to output before the link. Default empty.
 571   * @param string $after            Optional. The HTML to output after the link. Default '<br />'.
 572   * @param string $between          Optional. The HTML to output between the link/image and its description.
 573   *                                 Not used if no image or $show_images is true. Default ' '.
 574   * @param bool   $show_images      Optional. Whether to show images (if defined). Default true.
 575   * @param string $orderby          Optional. The order to output the links. E.g. 'id', 'name', 'url',
 576   *                                 'description', 'rating', or 'owner'. Default 'id'.
 577   *                                 If you start the name with an underscore, the order will be reversed.
 578   *                                 Specifying 'rand' as the order will return links in a random order.
 579   * @param bool   $show_description Optional. Whether to show the description if show_images=false/not defined.
 580   *                                 Default true.
 581   * @param int    $limit               Optional. Limit to X entries. If not specified, all entries are shown.
 582   *                                 Default -1.
 583   * @param int    $show_updated     Optional. Whether to show last updated timestamp. Default 0.
 584   */
 585  function get_links_withrating($category = -1, $before = '', $after = '<br />', $between = " ", $show_images = true,
 586                              $orderby = 'id', $show_description = true, $limit = -1, $show_updated = 0) {
 587      _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
 588  
 589      get_links($category, $before, $after, $between, $show_images, $orderby, $show_description, true, $limit, $show_updated);
 590  }
 591  
 592  /**
 593   * Gets the auto_toggle setting.
 594   *
 595   * @since 0.71
 596   * @deprecated 2.1.0
 597   *
 598   * @param int $id The category to get. If no category supplied uses 0
 599   * @return int Only returns 0.
 600   */
 601  function get_autotoggle($id = 0) {
 602      _deprecated_function( __FUNCTION__, '2.1.0' );
 603      return 0;
 604  }
 605  
 606  /**
 607   * Lists categories.
 608   *
 609   * @since 0.71
 610   * @deprecated 2.1.0 Use wp_list_categories()
 611   * @see wp_list_categories()
 612   *
 613   * @param int $optionall
 614   * @param string $all
 615   * @param string $sort_column
 616   * @param string $sort_order
 617   * @param string $file
 618   * @param bool $list
 619   * @param int $optiondates
 620   * @param int $optioncount
 621   * @param int $hide_empty
 622   * @param int $use_desc_for_title
 623   * @param bool $children
 624   * @param int $child_of
 625   * @param int $categories
 626   * @param int $recurse
 627   * @param string $feed
 628   * @param string $feed_image
 629   * @param string $exclude
 630   * @param bool $hierarchical
 631   * @return null|false
 632   */
 633  function list_cats($optionall = 1, $all = 'All', $sort_column = 'ID', $sort_order = 'asc', $file = '', $list = true, $optiondates = 0,
 634                  $optioncount = 0, $hide_empty = 1, $use_desc_for_title = 1, $children=false, $child_of=0, $categories=0,
 635                  $recurse=0, $feed = '', $feed_image = '', $exclude = '', $hierarchical=false) {
 636      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_categories()' );
 637  
 638      $query = compact('optionall', 'all', 'sort_column', 'sort_order', 'file', 'list', 'optiondates', 'optioncount', 'hide_empty', 'use_desc_for_title', 'children',
 639          'child_of', 'categories', 'recurse', 'feed', 'feed_image', 'exclude', 'hierarchical');
 640      return wp_list_cats($query);
 641  }
 642  
 643  /**
 644   * Lists categories.
 645   *
 646   * @since 1.2.0
 647   * @deprecated 2.1.0 Use wp_list_categories()
 648   * @see wp_list_categories()
 649   *
 650   * @param string|array $args
 651   * @return null|string|false
 652   */
 653  function wp_list_cats($args = '') {
 654      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_categories()' );
 655  
 656      $parsed_args = wp_parse_args( $args );
 657  
 658      // Map to new names.
 659      if ( isset($parsed_args['optionall']) && isset($parsed_args['all']))
 660          $parsed_args['show_option_all'] = $parsed_args['all'];
 661      if ( isset($parsed_args['sort_column']) )
 662          $parsed_args['orderby'] = $parsed_args['sort_column'];
 663      if ( isset($parsed_args['sort_order']) )
 664          $parsed_args['order'] = $parsed_args['sort_order'];
 665      if ( isset($parsed_args['optiondates']) )
 666          $parsed_args['show_last_update'] = $parsed_args['optiondates'];
 667      if ( isset($parsed_args['optioncount']) )
 668          $parsed_args['show_count'] = $parsed_args['optioncount'];
 669      if ( isset($parsed_args['list']) )
 670          $parsed_args['style'] = $parsed_args['list'] ? 'list' : 'break';
 671      $parsed_args['title_li'] = '';
 672  
 673      return wp_list_categories($parsed_args);
 674  }
 675  
 676  /**
 677   * Deprecated method for generating a drop-down of categories.
 678   *
 679   * @since 0.71
 680   * @deprecated 2.1.0 Use wp_dropdown_categories()
 681   * @see wp_dropdown_categories()
 682   *
 683   * @param int $optionall
 684   * @param string $all
 685   * @param string $orderby
 686   * @param string $order
 687   * @param int $show_last_update
 688   * @param int $show_count
 689   * @param int $hide_empty
 690   * @param bool $optionnone
 691   * @param int $selected
 692   * @param int $exclude
 693   * @return string
 694   */
 695  function dropdown_cats($optionall = 1, $all = 'All', $orderby = 'ID', $order = 'asc',
 696          $show_last_update = 0, $show_count = 0, $hide_empty = 1, $optionnone = false,
 697          $selected = 0, $exclude = 0) {
 698      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_dropdown_categories()' );
 699  
 700      $show_option_all = '';
 701      if ( $optionall )
 702          $show_option_all = $all;
 703  
 704      $show_option_none = '';
 705      if ( $optionnone )
 706          $show_option_none = __('None');
 707  
 708      $vars = compact('show_option_all', 'show_option_none', 'orderby', 'order',
 709                      'show_last_update', 'show_count', 'hide_empty', 'selected', 'exclude');
 710      $query = add_query_arg($vars, '');
 711      return wp_dropdown_categories($query);
 712  }
 713  
 714  /**
 715   * Lists authors.
 716   *
 717   * @since 1.2.0
 718   * @deprecated 2.1.0 Use wp_list_authors()
 719   * @see wp_list_authors()
 720   *
 721   * @param bool $optioncount
 722   * @param bool $exclude_admin
 723   * @param bool $show_fullname
 724   * @param bool $hide_empty
 725   * @param string $feed
 726   * @param string $feed_image
 727   * @return null|string
 728   */
 729  function list_authors($optioncount = false, $exclude_admin = true, $show_fullname = false, $hide_empty = true, $feed = '', $feed_image = '') {
 730      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_authors()' );
 731  
 732      $args = compact('optioncount', 'exclude_admin', 'show_fullname', 'hide_empty', 'feed', 'feed_image');
 733      return wp_list_authors($args);
 734  }
 735  
 736  /**
 737   * Retrieves a list of post categories.
 738   *
 739   * @since 1.0.1
 740   * @deprecated 2.1.0 Use wp_get_post_categories()
 741   * @see wp_get_post_categories()
 742   *
 743   * @param int $blogid Not Used
 744   * @param int $post_ID
 745   * @return array
 746   */
 747  function wp_get_post_cats($blogid = '1', $post_ID = 0) {
 748      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_get_post_categories()' );
 749      return wp_get_post_categories($post_ID);
 750  }
 751  
 752  /**
 753   * Sets the categories that the post ID belongs to.
 754   *
 755   * @since 1.0.1
 756   * @deprecated 2.1.0
 757   * @deprecated Use wp_set_post_categories()
 758   * @see wp_set_post_categories()
 759   *
 760   * @param int $blogid Not used
 761   * @param int $post_ID
 762   * @param array $post_categories
 763   * @return bool|mixed
 764   */
 765  function wp_set_post_cats($blogid = '1', $post_ID = 0, $post_categories = array()) {
 766      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_set_post_categories()' );
 767      return wp_set_post_categories($post_ID, $post_categories);
 768  }
 769  
 770  /**
 771   * Retrieves a list of archives.
 772   *
 773   * @since 0.71
 774   * @deprecated 2.1.0 Use wp_get_archives()
 775   * @see wp_get_archives()
 776   *
 777   * @param string $type
 778   * @param string $limit
 779   * @param string $format
 780   * @param string $before
 781   * @param string $after
 782   * @param bool $show_post_count
 783   * @return string|null
 784   */
 785  function get_archives($type='', $limit='', $format='html', $before = '', $after = '', $show_post_count = false) {
 786      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_get_archives()' );
 787      $args = compact('type', 'limit', 'format', 'before', 'after', 'show_post_count');
 788      return wp_get_archives($args);
 789  }
 790  
 791  /**
 792   * Returns or Prints link to the author's posts.
 793   *
 794   * @since 1.2.0
 795   * @deprecated 2.1.0 Use get_author_posts_url()
 796   * @see get_author_posts_url()
 797   *
 798   * @param bool $echo
 799   * @param int $author_id
 800   * @param string $author_nicename Optional.
 801   * @return string|null
 802   */
 803  function get_author_link($echo, $author_id, $author_nicename = '') {
 804      _deprecated_function( __FUNCTION__, '2.1.0', 'get_author_posts_url()' );
 805  
 806      $link = get_author_posts_url($author_id, $author_nicename);
 807  
 808      if ( $echo )
 809          echo $link;
 810      return $link;
 811  }
 812  
 813  /**
 814   * Print list of pages based on arguments.
 815   *
 816   * @since 0.71
 817   * @deprecated 2.1.0 Use wp_link_pages()
 818   * @see wp_link_pages()
 819   *
 820   * @param string $before
 821   * @param string $after
 822   * @param string $next_or_number
 823   * @param string $nextpagelink
 824   * @param string $previouspagelink
 825   * @param string $pagelink
 826   * @param string $more_file
 827   * @return string
 828   */
 829  function link_pages($before='<br />', $after='<br />', $next_or_number='number', $nextpagelink='next page', $previouspagelink='previous page',
 830                      $pagelink='%', $more_file='') {
 831      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_link_pages()' );
 832  
 833      $args = compact('before', 'after', 'next_or_number', 'nextpagelink', 'previouspagelink', 'pagelink', 'more_file');
 834      return wp_link_pages($args);
 835  }
 836  
 837  /**
 838   * Get value based on option.
 839   *
 840   * @since 0.71
 841   * @deprecated 2.1.0 Use get_option()
 842   * @see get_option()
 843   *
 844   * @param string $option
 845   * @return string
 846   */
 847  function get_settings($option) {
 848      _deprecated_function( __FUNCTION__, '2.1.0', 'get_option()' );
 849  
 850      return get_option($option);
 851  }
 852  
 853  /**
 854   * Print the permalink of the current post in the loop.
 855   *
 856   * @since 0.71
 857   * @deprecated 1.2.0 Use the_permalink()
 858   * @see the_permalink()
 859   */
 860  function permalink_link() {
 861      _deprecated_function( __FUNCTION__, '1.2.0', 'the_permalink()' );
 862      the_permalink();
 863  }
 864  
 865  /**
 866   * Print the permalink to the RSS feed.
 867   *
 868   * @since 0.71
 869   * @deprecated 2.3.0 Use the_permalink_rss()
 870   * @see the_permalink_rss()
 871   *
 872   * @param string $deprecated
 873   */
 874  function permalink_single_rss($deprecated = '') {
 875      _deprecated_function( __FUNCTION__, '2.3.0', 'the_permalink_rss()' );
 876      the_permalink_rss();
 877  }
 878  
 879  /**
 880   * Gets the links associated with category.
 881   *
 882   * @since 1.0.1
 883   * @deprecated 2.1.0 Use wp_list_bookmarks()
 884   * @see wp_list_bookmarks()
 885   *
 886   * @param string $args a query string
 887   * @return null|string
 888   */
 889  function wp_get_links($args = '') {
 890      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_bookmarks()' );
 891  
 892      if ( strpos( $args, '=' ) === false ) {
 893          $cat_id = $args;
 894          $args = add_query_arg( 'category', $cat_id, $args );
 895      }
 896  
 897      $defaults = array(
 898          'after' => '<br />',
 899          'before' => '',
 900          'between' => ' ',
 901          'categorize' => 0,
 902          'category' => '',
 903          'echo' => true,
 904          'limit' => -1,
 905          'orderby' => 'name',
 906          'show_description' => true,
 907          'show_images' => true,
 908          'show_rating' => false,
 909          'show_updated' => true,
 910          'title_li' => '',
 911      );
 912  
 913      $parsed_args = wp_parse_args( $args, $defaults );
 914  
 915      return wp_list_bookmarks($parsed_args);
 916  }
 917  
 918  /**
 919   * Gets the links associated with category by ID.
 920   *
 921   * @since 0.71
 922   * @deprecated 2.1.0 Use get_bookmarks()
 923   * @see get_bookmarks()
 924   *
 925   * @param int    $category         Optional. The category to use. If no category supplied uses all.
 926   *                                 Default 0.
 927   * @param string $before           Optional. The HTML to output before the link. Default empty.
 928   * @param string $after            Optional. The HTML to output after the link. Default '<br />'.
 929   * @param string $between          Optional. The HTML to output between the link/image and its description.
 930   *                                 Not used if no image or $show_images is true. Default ' '.
 931   * @param bool   $show_images      Optional. Whether to show images (if defined). Default true.
 932   * @param string $orderby          Optional. The order to output the links. E.g. 'id', 'name', 'url',
 933   *                                 'description', 'rating', or 'owner'. Default 'name'.
 934   *                                 If you start the name with an underscore, the order will be reversed.
 935   *                                 Specifying 'rand' as the order will return links in a random order.
 936   * @param bool   $show_description Optional. Whether to show the description if show_images=false/not defined.
 937   *                                 Default true.
 938   * @param bool   $show_rating      Optional. Show rating stars/chars. Default false.
 939   * @param int    $limit            Optional. Limit to X entries. If not specified, all entries are shown.
 940   *                                 Default -1.
 941   * @param int    $show_updated     Optional. Whether to show last updated timestamp. Default 1.
 942   * @param bool   $echo             Whether to echo the results, or return them instead.
 943   * @return null|string
 944   */
 945  function get_links($category = -1, $before = '', $after = '<br />', $between = ' ', $show_images = true, $orderby = 'name',
 946              $show_description = true, $show_rating = false, $limit = -1, $show_updated = 1, $echo = true) {
 947      _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
 948  
 949      $order = 'ASC';
 950      if ( substr($orderby, 0, 1) == '_' ) {
 951          $order = 'DESC';
 952          $orderby = substr($orderby, 1);
 953      }
 954  
 955      if ( $category == -1 ) // get_bookmarks() uses '' to signify all categories.
 956          $category = '';
 957  
 958      $results = get_bookmarks(array('category' => $category, 'orderby' => $orderby, 'order' => $order, 'show_updated' => $show_updated, 'limit' => $limit));
 959  
 960      if ( !$results )
 961          return;
 962  
 963      $output = '';
 964  
 965      foreach ( (array) $results as $row ) {
 966          if ( !isset($row->recently_updated) )
 967              $row->recently_updated = false;
 968          $output .= $before;
 969          if ( $show_updated && $row->recently_updated )
 970              $output .= get_option('links_recently_updated_prepend');
 971          $the_link = '#';
 972          if ( !empty($row->link_url) )
 973              $the_link = esc_url($row->link_url);
 974          $rel = $row->link_rel;
 975          if ( '' != $rel )
 976              $rel = ' rel="' . $rel . '"';
 977  
 978          $desc = esc_attr(sanitize_bookmark_field('link_description', $row->link_description, $row->link_id, 'display'));
 979          $name = esc_attr(sanitize_bookmark_field('link_name', $row->link_name, $row->link_id, 'display'));
 980          $title = $desc;
 981  
 982          if ( $show_updated )
 983              if (substr($row->link_updated_f, 0, 2) != '00')
 984                  $title .= ' ('.__('Last updated') . ' ' . gmdate(get_option('links_updated_date_format'), $row->link_updated_f + (get_option('gmt_offset') * HOUR_IN_SECONDS)) . ')';
 985  
 986          if ( '' != $title )
 987              $title = ' title="' . $title . '"';
 988  
 989          $alt = ' alt="' . $name . '"';
 990  
 991          $target = $row->link_target;
 992          if ( '' != $target )
 993              $target = ' target="' . $target . '"';
 994  
 995          $output .= '<a href="' . $the_link . '"' . $rel . $title . $target. '>';
 996  
 997          if ( $row->link_image != null && $show_images ) {
 998              if ( strpos($row->link_image, 'http') !== false )
 999                  $output .= "<img src=\"$row->link_image\" $alt $title />";
1000              else // If it's a relative path.
1001                  $output .= "<img src=\"" . get_option('siteurl') . "$row->link_image\" $alt $title />";
1002          } else {
1003              $output .= $name;
1004          }
1005  
1006          $output .= '</a>';
1007  
1008          if ( $show_updated && $row->recently_updated )
1009              $output .= get_option('links_recently_updated_append');
1010  
1011          if ( $show_description && '' != $desc )
1012              $output .= $between . $desc;
1013  
1014          if ($show_rating) {
1015              $output .= $between . get_linkrating($row);
1016          }
1017  
1018          $output .= "$after\n";
1019      } // End while.
1020  
1021      if ( !$echo )
1022          return $output;
1023      echo $output;
1024  }
1025  
1026  /**
1027   * Output entire list of links by category.
1028   *
1029   * Output a list of all links, listed by category, using the settings in
1030   * $wpdb->linkcategories and output it as a nested HTML unordered list.
1031   *
1032   * @since 1.0.1
1033   * @deprecated 2.1.0 Use wp_list_bookmarks()
1034   * @see wp_list_bookmarks()
1035   *
1036   * @param string $order Sort link categories by 'name' or 'id'
1037   */
1038  function get_links_list($order = 'name') {
1039      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_bookmarks()' );
1040  
1041      $order = strtolower($order);
1042  
1043      // Handle link category sorting.
1044      $direction = 'ASC';
1045      if ( '_' == substr($order,0,1) ) {
1046          $direction = 'DESC';
1047          $order = substr($order,1);
1048      }
1049  
1050      if ( !isset($direction) )
1051          $direction = '';
1052  
1053      $cats = get_categories(array('type' => 'link', 'orderby' => $order, 'order' => $direction, 'hierarchical' => 0));
1054  
1055      // Display each category.
1056      if ( $cats ) {
1057          foreach ( (array) $cats as $cat ) {
1058              // Handle each category.
1059  
1060              // Display the category name.
1061              echo '  <li id="linkcat-' . $cat->term_id . '" class="linkcat"><h2>' . apply_filters('link_category', $cat->name ) . "</h2>\n\t<ul>\n";
1062              // Call get_links() with all the appropriate params.
1063              get_links($cat->term_id, '<li>', "</li>", "\n", true, 'name', false);
1064  
1065              // Close the last category.
1066              echo "\n\t</ul>\n</li>\n";
1067          }
1068      }
1069  }
1070  
1071  /**
1072   * Show the link to the links popup and the number of links.
1073   *
1074   * @since 0.71
1075   * @deprecated 2.1.0
1076   *
1077   * @param string $text the text of the link
1078   * @param int $width the width of the popup window
1079   * @param int $height the height of the popup window
1080   * @param string $file the page to open in the popup window
1081   * @param bool $count the number of links in the db
1082   */
1083  function links_popup_script($text = 'Links', $width=400, $height=400, $file='links.all.php', $count = true) {
1084      _deprecated_function( __FUNCTION__, '2.1.0' );
1085  }
1086  
1087  /**
1088   * Legacy function that retrieved the value of a link's link_rating field.
1089   *
1090   * @since 1.0.1
1091   * @deprecated 2.1.0 Use sanitize_bookmark_field()
1092   * @see sanitize_bookmark_field()
1093   *
1094   * @param object $link Link object.
1095   * @return mixed Value of the 'link_rating' field, false otherwise.
1096   */
1097  function get_linkrating( $link ) {
1098      _deprecated_function( __FUNCTION__, '2.1.0', 'sanitize_bookmark_field()' );
1099      return sanitize_bookmark_field('link_rating', $link->link_rating, $link->link_id, 'display');
1100  }
1101  
1102  /**
1103   * Gets the name of category by ID.
1104   *
1105   * @since 0.71
1106   * @deprecated 2.1.0 Use get_category()
1107   * @see get_category()
1108   *
1109   * @param int $id The category to get. If no category supplied uses 0
1110   * @return string
1111   */
1112  function get_linkcatname($id = 0) {
1113      _deprecated_function( __FUNCTION__, '2.1.0', 'get_category()' );
1114  
1115      $id = (int) $id;
1116  
1117      if ( empty($id) )
1118          return '';
1119  
1120      $cats = wp_get_link_cats($id);
1121  
1122      if ( empty($cats) || ! is_array($cats) )
1123          return '';
1124  
1125      $cat_id = (int) $cats[0]; // Take the first cat.
1126  
1127      $cat = get_category($cat_id);
1128      return $cat->name;
1129  }
1130  
1131  /**
1132   * Print RSS comment feed link.
1133   *
1134   * @since 1.0.1
1135   * @deprecated 2.5.0 Use post_comments_feed_link()
1136   * @see post_comments_feed_link()
1137   *
1138   * @param string $link_text
1139   */
1140  function comments_rss_link($link_text = 'Comments RSS') {
1141      _deprecated_function( __FUNCTION__, '2.5.0', 'post_comments_feed_link()' );
1142      post_comments_feed_link($link_text);
1143  }
1144  
1145  /**
1146   * Print/Return link to category RSS2 feed.
1147   *
1148   * @since 1.2.0
1149   * @deprecated 2.5.0 Use get_category_feed_link()
1150   * @see get_category_feed_link()
1151   *
1152   * @param bool $echo
1153   * @param int $cat_ID
1154   * @return string
1155   */
1156  function get_category_rss_link($echo = false, $cat_ID = 1) {
1157      _deprecated_function( __FUNCTION__, '2.5.0', 'get_category_feed_link()' );
1158  
1159      $link = get_category_feed_link($cat_ID, 'rss2');
1160  
1161      if ( $echo )
1162          echo $link;
1163      return $link;
1164  }
1165  
1166  /**
1167   * Print/Return link to author RSS feed.
1168   *
1169   * @since 1.2.0
1170   * @deprecated 2.5.0 Use get_author_feed_link()
1171   * @see get_author_feed_link()
1172   *
1173   * @param bool $echo
1174   * @param int $author_id
1175   * @return string
1176   */
1177  function get_author_rss_link($echo = false, $author_id = 1) {
1178      _deprecated_function( __FUNCTION__, '2.5.0', 'get_author_feed_link()' );
1179  
1180      $link = get_author_feed_link($author_id);
1181      if ( $echo )
1182          echo $link;
1183      return $link;
1184  }
1185  
1186  /**
1187   * Return link to the post RSS feed.
1188   *
1189   * @since 1.5.0
1190   * @deprecated 2.2.0 Use get_post_comments_feed_link()
1191   * @see get_post_comments_feed_link()
1192   *
1193   * @return string
1194   */
1195  function comments_rss() {
1196      _deprecated_function( __FUNCTION__, '2.2.0', 'get_post_comments_feed_link()' );
1197      return esc_url( get_post_comments_feed_link() );
1198  }
1199  
1200  /**
1201   * An alias of wp_create_user().
1202   *
1203   * @since 2.0.0
1204   * @deprecated 2.0.0 Use wp_create_user()
1205   * @see wp_create_user()
1206   *
1207   * @param string $username The user's username.
1208   * @param string $password The user's password.
1209   * @param string $email    The user's email.
1210   * @return int The new user's ID.
1211   */
1212  function create_user($username, $password, $email) {
1213      _deprecated_function( __FUNCTION__, '2.0.0', 'wp_create_user()' );
1214      return wp_create_user($username, $password, $email);
1215  }
1216  
1217  /**
1218   * Unused function.
1219   *
1220   * @deprecated 2.5.0
1221   */
1222  function gzip_compression() {
1223      _deprecated_function( __FUNCTION__, '2.5.0' );
1224      return false;
1225  }
1226  
1227  /**
1228   * Retrieve an array of comment data about comment $comment_ID.
1229   *
1230   * @since 0.71
1231   * @deprecated 2.7.0 Use get_comment()
1232   * @see get_comment()
1233   *
1234   * @param int $comment_ID The ID of the comment
1235   * @param int $no_cache Whether to use the cache (cast to bool)
1236   * @param bool $include_unapproved Whether to include unapproved comments
1237   * @return array The comment data
1238   */
1239  function get_commentdata( $comment_ID, $no_cache = 0, $include_unapproved = false ) {
1240      _deprecated_function( __FUNCTION__, '2.7.0', 'get_comment()' );
1241      return get_comment($comment_ID, ARRAY_A);
1242  }
1243  
1244  /**
1245   * Retrieve the category name by the category ID.
1246   *
1247   * @since 0.71
1248   * @deprecated 2.8.0 Use get_cat_name()
1249   * @see get_cat_name()
1250   *
1251   * @param int $cat_ID Category ID
1252   * @return string category name
1253   */
1254  function get_catname( $cat_ID ) {
1255      _deprecated_function( __FUNCTION__, '2.8.0', 'get_cat_name()' );
1256      return get_cat_name( $cat_ID );
1257  }
1258  
1259  /**
1260   * Retrieve category children list separated before and after the term IDs.
1261   *
1262   * @since 1.2.0
1263   * @deprecated 2.8.0 Use get_term_children()
1264   * @see get_term_children()
1265   *
1266   * @param int    $id      Category ID to retrieve children.
1267   * @param string $before  Optional. Prepend before category term ID. Default '/'.
1268   * @param string $after   Optional. Append after category term ID. Default empty string.
1269   * @param array  $visited Optional. Category Term IDs that have already been added.
1270   *                        Default empty array.
1271   * @return string
1272   */
1273  function get_category_children( $id, $before = '/', $after = '', $visited = array() ) {
1274      _deprecated_function( __FUNCTION__, '2.8.0', 'get_term_children()' );
1275      if ( 0 == $id )
1276          return '';
1277  
1278      $chain = '';
1279      /** TODO: Consult hierarchy */
1280      $cat_ids = get_all_category_ids();
1281      foreach ( (array) $cat_ids as $cat_id ) {
1282          if ( $cat_id == $id )
1283              continue;
1284  
1285          $category = get_category( $cat_id );
1286          if ( is_wp_error( $category ) )
1287              return $category;
1288          if ( $category->parent == $id && !in_array( $category->term_id, $visited ) ) {
1289              $visited[] = $category->term_id;
1290              $chain .= $before.$category->term_id.$after;
1291              $chain .= get_category_children( $category->term_id, $before, $after );
1292          }
1293      }
1294      return $chain;
1295  }
1296  
1297  /**
1298   * Retrieves all category IDs.
1299   *
1300   * @since 2.0.0
1301   * @deprecated 4.0.0 Use get_terms()
1302   * @see get_terms()
1303   *
1304   * @link https://developer.wordpress.org/reference/functions/get_all_category_ids/
1305   *
1306   * @return int[] List of all of the category IDs.
1307   */
1308  function get_all_category_ids() {
1309      _deprecated_function( __FUNCTION__, '4.0.0', 'get_terms()' );
1310  
1311      $cat_ids = get_terms(
1312          array(
1313              'taxonomy' => 'category',
1314              'fields'   => 'ids',
1315              'get'      => 'all',
1316          )
1317      );
1318  
1319      return $cat_ids;
1320  }
1321  
1322  /**
1323   * Retrieve the description of the author of the current post.
1324   *
1325   * @since 1.5.0
1326   * @deprecated 2.8.0 Use get_the_author_meta()
1327   * @see get_the_author_meta()
1328   *
1329   * @return string The author's description.
1330   */
1331  function get_the_author_description() {
1332      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'description\')' );
1333      return get_the_author_meta('description');
1334  }
1335  
1336  /**
1337   * Display the description of the author of the current post.
1338   *
1339   * @since 1.0.0
1340   * @deprecated 2.8.0 Use the_author_meta()
1341   * @see the_author_meta()
1342   */
1343  function the_author_description() {
1344      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'description\')' );
1345      the_author_meta('description');
1346  }
1347  
1348  /**
1349   * Retrieve the login name of the author of the current post.
1350   *
1351   * @since 1.5.0
1352   * @deprecated 2.8.0 Use get_the_author_meta()
1353   * @see get_the_author_meta()
1354   *
1355   * @return string The author's login name (username).
1356   */
1357  function get_the_author_login() {
1358      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'login\')' );
1359      return get_the_author_meta('login');
1360  }
1361  
1362  /**
1363   * Display the login name of the author of the current post.
1364   *
1365   * @since 0.71
1366   * @deprecated 2.8.0 Use the_author_meta()
1367   * @see the_author_meta()
1368   */
1369  function the_author_login() {
1370      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'login\')' );
1371      the_author_meta('login');
1372  }
1373  
1374  /**
1375   * Retrieve the first name of the author of the current post.
1376   *
1377   * @since 1.5.0
1378   * @deprecated 2.8.0 Use get_the_author_meta()
1379   * @see get_the_author_meta()
1380   *
1381   * @return string The author's first name.
1382   */
1383  function get_the_author_firstname() {
1384      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'first_name\')' );
1385      return get_the_author_meta('first_name');
1386  }
1387  
1388  /**
1389   * Display the first name of the author of the current post.
1390   *
1391   * @since 0.71
1392   * @deprecated 2.8.0 Use the_author_meta()
1393   * @see the_author_meta()
1394   */
1395  function the_author_firstname() {
1396      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'first_name\')' );
1397      the_author_meta('first_name');
1398  }
1399  
1400  /**
1401   * Retrieve the last name of the author of the current post.
1402   *
1403   * @since 1.5.0
1404   * @deprecated 2.8.0 Use get_the_author_meta()
1405   * @see get_the_author_meta()
1406   *
1407   * @return string The author's last name.
1408   */
1409  function get_the_author_lastname() {
1410      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'last_name\')' );
1411      return get_the_author_meta('last_name');
1412  }
1413  
1414  /**
1415   * Display the last name of the author of the current post.
1416   *
1417   * @since 0.71
1418   * @deprecated 2.8.0 Use the_author_meta()
1419   * @see the_author_meta()
1420   */
1421  function the_author_lastname() {
1422      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'last_name\')' );
1423      the_author_meta('last_name');
1424  }
1425  
1426  /**
1427   * Retrieve the nickname of the author of the current post.
1428   *
1429   * @since 1.5.0
1430   * @deprecated 2.8.0 Use get_the_author_meta()
1431   * @see get_the_author_meta()
1432   *
1433   * @return string The author's nickname.
1434   */
1435  function get_the_author_nickname() {
1436      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'nickname\')' );
1437      return get_the_author_meta('nickname');
1438  }
1439  
1440  /**
1441   * Display the nickname of the author of the current post.
1442   *
1443   * @since 0.71
1444   * @deprecated 2.8.0 Use the_author_meta()
1445   * @see the_author_meta()
1446   */
1447  function the_author_nickname() {
1448      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'nickname\')' );
1449      the_author_meta('nickname');
1450  }
1451  
1452  /**
1453   * Retrieve the email of the author of the current post.
1454   *
1455   * @since 1.5.0
1456   * @deprecated 2.8.0 Use get_the_author_meta()
1457   * @see get_the_author_meta()
1458   *
1459   * @return string The author's username.
1460   */
1461  function get_the_author_email() {
1462      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'email\')' );
1463      return get_the_author_meta('email');
1464  }
1465  
1466  /**
1467   * Display the email of the author of the current post.
1468   *
1469   * @since 0.71
1470   * @deprecated 2.8.0 Use the_author_meta()
1471   * @see the_author_meta()
1472   */
1473  function the_author_email() {
1474      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'email\')' );
1475      the_author_meta('email');
1476  }
1477  
1478  /**
1479   * Retrieve the ICQ number of the author of the current post.
1480   *
1481   * @since 1.5.0
1482   * @deprecated 2.8.0 Use get_the_author_meta()
1483   * @see get_the_author_meta()
1484   *
1485   * @return string The author's ICQ number.
1486   */
1487  function get_the_author_icq() {
1488      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'icq\')' );
1489      return get_the_author_meta('icq');
1490  }
1491  
1492  /**
1493   * Display the ICQ number of the author of the current post.
1494   *
1495   * @since 0.71
1496   * @deprecated 2.8.0 Use the_author_meta()
1497   * @see the_author_meta()
1498   */
1499  function the_author_icq() {
1500      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'icq\')' );
1501      the_author_meta('icq');
1502  }
1503  
1504  /**
1505   * Retrieve the Yahoo! IM name of the author of the current post.
1506   *
1507   * @since 1.5.0
1508   * @deprecated 2.8.0 Use get_the_author_meta()
1509   * @see get_the_author_meta()
1510   *
1511   * @return string The author's Yahoo! IM name.
1512   */
1513  function get_the_author_yim() {
1514      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'yim\')' );
1515      return get_the_author_meta('yim');
1516  }
1517  
1518  /**
1519   * Display the Yahoo! IM name of the author of the current post.
1520   *
1521   * @since 0.71
1522   * @deprecated 2.8.0 Use the_author_meta()
1523   * @see the_author_meta()
1524   */
1525  function the_author_yim() {
1526      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'yim\')' );
1527      the_author_meta('yim');
1528  }
1529  
1530  /**
1531   * Retrieve the MSN address of the author of the current post.
1532   *
1533   * @since 1.5.0
1534   * @deprecated 2.8.0 Use get_the_author_meta()
1535   * @see get_the_author_meta()
1536   *
1537   * @return string The author's MSN address.
1538   */
1539  function get_the_author_msn() {
1540      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'msn\')' );
1541      return get_the_author_meta('msn');
1542  }
1543  
1544  /**
1545   * Display the MSN address of the author of the current post.
1546   *
1547   * @since 0.71
1548   * @deprecated 2.8.0 Use the_author_meta()
1549   * @see the_author_meta()
1550   */
1551  function the_author_msn() {
1552      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'msn\')' );
1553      the_author_meta('msn');
1554  }
1555  
1556  /**
1557   * Retrieve the AIM address of the author of the current post.
1558   *
1559   * @since 1.5.0
1560   * @deprecated 2.8.0 Use get_the_author_meta()
1561   * @see get_the_author_meta()
1562   *
1563   * @return string The author's AIM address.
1564   */
1565  function get_the_author_aim() {
1566      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'aim\')' );
1567      return get_the_author_meta('aim');
1568  }
1569  
1570  /**
1571   * Display the AIM address of the author of the current post.
1572   *
1573   * @since 0.71
1574   * @deprecated 2.8.0 Use the_author_meta('aim')
1575   * @see the_author_meta()
1576   */
1577  function the_author_aim() {
1578      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'aim\')' );
1579      the_author_meta('aim');
1580  }
1581  
1582  /**
1583   * Retrieve the specified author's preferred display name.
1584   *
1585   * @since 1.0.0
1586   * @deprecated 2.8.0 Use get_the_author_meta()
1587   * @see get_the_author_meta()
1588   *
1589   * @param int $auth_id The ID of the author.
1590   * @return string The author's display name.
1591   */
1592  function get_author_name( $auth_id = false ) {
1593      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'display_name\')' );
1594      return get_the_author_meta('display_name', $auth_id);
1595  }
1596  
1597  /**
1598   * Retrieve the URL to the home page of the author of the current post.
1599   *
1600   * @since 1.5.0
1601   * @deprecated 2.8.0 Use get_the_author_meta()
1602   * @see get_the_author_meta()
1603   *
1604   * @return string The URL to the author's page.
1605   */
1606  function get_the_author_url() {
1607      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'url\')' );
1608      return get_the_author_meta('url');
1609  }
1610  
1611  /**
1612   * Display the URL to the home page of the author of the current post.
1613   *
1614   * @since 0.71
1615   * @deprecated 2.8.0 Use the_author_meta()
1616   * @see the_author_meta()
1617   */
1618  function the_author_url() {
1619      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'url\')' );
1620      the_author_meta('url');
1621  }
1622  
1623  /**
1624   * Retrieve the ID of the author of the current post.
1625   *
1626   * @since 1.5.0
1627   * @deprecated 2.8.0 Use get_the_author_meta()
1628   * @see get_the_author_meta()
1629   *
1630   * @return string|int The author's ID.
1631   */
1632  function get_the_author_ID() {
1633      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'ID\')' );
1634      return get_the_author_meta('ID');
1635  }
1636  
1637  /**
1638   * Display the ID of the author of the current post.
1639   *
1640   * @since 0.71
1641   * @deprecated 2.8.0 Use the_author_meta()
1642   * @see the_author_meta()
1643   */
1644  function the_author_ID() {
1645      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'ID\')' );
1646      the_author_meta('ID');
1647  }
1648  
1649  /**
1650   * Display the post content for the feed.
1651   *
1652   * For encoding the HTML or the $encode_html parameter, there are three possible values:
1653   * - '0' will make urls footnotes and use make_url_footnote().
1654   * - '1' will encode special characters and automatically display all of the content.
1655   * - '2' will strip all HTML tags from the content.
1656   *
1657   * Also note that you cannot set the amount of words and not set the HTML encoding.
1658   * If that is the case, then the HTML encoding will default to 2, which will strip
1659   * all HTML tags.
1660   *
1661   * To restrict the amount of words of the content, you can use the cut parameter.
1662   * If the content is less than the amount, then there won't be any dots added to the end.
1663   * If there is content left over, then dots will be added and the rest of the content
1664   * will be removed.
1665   *
1666   * @since 0.71
1667   *
1668   * @deprecated 2.9.0 Use the_content_feed()
1669   * @see the_content_feed()
1670   *
1671   * @param string $more_link_text Optional. Text to display when more content is available
1672   *                               but not displayed. Default '(more...)'.
1673   * @param int    $stripteaser    Optional. Default 0.
1674   * @param string $more_file      Optional.
1675   * @param int    $cut            Optional. Amount of words to keep for the content.
1676   * @param int    $encode_html    Optional. How to encode the content.
1677   */
1678  function the_content_rss($more_link_text='(more...)', $stripteaser=0, $more_file='', $cut = 0, $encode_html = 0) {
1679      _deprecated_function( __FUNCTION__, '2.9.0', 'the_content_feed()' );
1680      $content = get_the_content($more_link_text, $stripteaser);
1681  
1682      /**
1683       * Filters the post content in the context of an RSS feed.
1684       *
1685       * @since 0.71
1686       *
1687       * @param string $content Content of the current post.
1688       */
1689      $content = apply_filters('the_content_rss', $content);
1690      if ( $cut && !$encode_html )
1691          $encode_html = 2;
1692      if ( 1== $encode_html ) {
1693          $content = esc_html($content);
1694          $cut = 0;
1695      } elseif ( 0 == $encode_html ) {
1696          $content = make_url_footnote($content);
1697      } elseif ( 2 == $encode_html ) {
1698          $content = strip_tags($content);
1699      }
1700      if ( $cut ) {
1701          $blah = explode(' ', $content);
1702          if ( count($blah) > $cut ) {
1703              $k = $cut;
1704              $use_dotdotdot = 1;
1705          } else {
1706              $k = count($blah);
1707              $use_dotdotdot = 0;
1708          }
1709  
1710          /** @todo Check performance, might be faster to use array slice instead. */
1711          for ( $i=0; $i<$k; $i++ )
1712              $excerpt .= $blah[$i].' ';
1713          $excerpt .= ($use_dotdotdot) ? '...' : '';
1714          $content = $excerpt;
1715      }
1716      $content = str_replace(']]>', ']]&gt;', $content);
1717      echo $content;
1718  }
1719  
1720  /**
1721   * Strip HTML and put links at the bottom of stripped content.
1722   *
1723   * Searches for all of the links, strips them out of the content, and places
1724   * them at the bottom of the content with numbers.
1725   *
1726   * @since 0.71
1727   * @deprecated 2.9.0
1728   *
1729   * @param string $content Content to get links.
1730   * @return string HTML stripped out of content with links at the bottom.
1731   */
1732  function make_url_footnote( $content ) {
1733      _deprecated_function( __FUNCTION__, '2.9.0', '' );
1734      preg_match_all( '/<a(.+?)href=\"(.+?)\"(.*?)>(.+?)<\/a>/', $content, $matches );
1735      $links_summary = "\n";
1736      for ( $i = 0, $c = count( $matches[0] ); $i < $c; $i++ ) {
1737          $link_match = $matches[0][$i];
1738          $link_number = '['.($i+1).']';
1739          $link_url = $matches[2][$i];
1740          $link_text = $matches[4][$i];
1741          $content = str_replace( $link_match, $link_text . ' ' . $link_number, $content );
1742          $link_url = ( ( strtolower( substr( $link_url, 0, 7 ) ) != 'http://' ) && ( strtolower( substr( $link_url, 0, 8 ) ) != 'https://' ) ) ? get_option( 'home' ) . $link_url : $link_url;
1743          $links_summary .= "\n" . $link_number . ' ' . $link_url;
1744      }
1745      $content  = strip_tags( $content );
1746      $content .= $links_summary;
1747      return $content;
1748  }
1749  
1750  /**
1751   * Retrieve translated string with vertical bar context
1752   *
1753   * Quite a few times, there will be collisions with similar translatable text
1754   * found in more than two places but with different translated context.
1755   *
1756   * In order to use the separate contexts, the _c() function is used and the
1757   * translatable string uses a pipe ('|') which has the context the string is in.
1758   *
1759   * When the translated string is returned, it is everything before the pipe, not
1760   * including the pipe character. If there is no pipe in the translated text then
1761   * everything is returned.
1762   *
1763   * @since 2.2.0
1764   * @deprecated 2.9.0 Use _x()
1765   * @see _x()
1766   *
1767   * @param string $text Text to translate.
1768   * @param string $domain Optional. Domain to retrieve the translated text.
1769   * @return string Translated context string without pipe.
1770   */
1771  function _c( $text, $domain = 'default' ) {
1772      _deprecated_function( __FUNCTION__, '2.9.0', '_x()' );
1773      return before_last_bar( translate( $text, $domain ) );
1774  }
1775  
1776  /**
1777   * Translates $text like translate(), but assumes that the text
1778   * contains a context after its last vertical bar.
1779   *
1780   * @since 2.5.0
1781   * @deprecated 3.0.0 Use _x()
1782   * @see _x()
1783   *
1784   * @param string $text Text to translate.
1785   * @param string $domain Domain to retrieve the translated text.
1786   * @return string Translated text.
1787   */
1788  function translate_with_context( $text, $domain = 'default' ) {
1789      _deprecated_function( __FUNCTION__, '2.9.0', '_x()' );
1790      return before_last_bar( translate( $text, $domain ) );
1791  }
1792  
1793  /**
1794   * Legacy version of _n(), which supports contexts.
1795   *
1796   * Strips everything from the translation after the last bar.
1797   *
1798   * @since 2.7.0
1799   * @deprecated 3.0.0 Use _nx()
1800   * @see _nx()
1801   *
1802   * @param string $single The text to be used if the number is singular.
1803   * @param string $plural The text to be used if the number is plural.
1804   * @param int    $number The number to compare against to use either the singular or plural form.
1805   * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.
1806   *                       Default 'default'.
1807   * @return string The translated singular or plural form.
1808   */
1809  function _nc( $single, $plural, $number, $domain = 'default' ) {
1810      _deprecated_function( __FUNCTION__, '2.9.0', '_nx()' );
1811      return before_last_bar( _n( $single, $plural, $number, $domain ) );
1812  }
1813  
1814  /**
1815   * Retrieve the plural or single form based on the amount.
1816   *
1817   * @since 1.2.0
1818   * @deprecated 2.8.0 Use _n()
1819   * @see _n()
1820   */
1821  function __ngettext( ...$args ) { // phpcs:ignore PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
1822      _deprecated_function( __FUNCTION__, '2.8.0', '_n()' );
1823      return _n( ...$args );
1824  }
1825  
1826  /**
1827   * Register plural strings in POT file, but don't translate them.
1828   *
1829   * @since 2.5.0
1830   * @deprecated 2.8.0 Use _n_noop()
1831   * @see _n_noop()
1832   */
1833  function __ngettext_noop( ...$args ) { // phpcs:ignore PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
1834      _deprecated_function( __FUNCTION__, '2.8.0', '_n_noop()' );
1835      return _n_noop( ...$args );
1836  
1837  }
1838  
1839  /**
1840   * Retrieve all autoload options, or all options if no autoloaded ones exist.
1841   *
1842   * @since 1.0.0
1843   * @deprecated 3.0.0 Use wp_load_alloptions())
1844   * @see wp_load_alloptions()
1845   *
1846   * @return array List of all options.
1847   */
1848  function get_alloptions() {
1849      _deprecated_function( __FUNCTION__, '3.0.0', 'wp_load_alloptions()' );
1850      return wp_load_alloptions();
1851  }
1852  
1853  /**
1854   * Retrieve HTML content of attachment image with link.
1855   *
1856   * @since 2.0.0
1857   * @deprecated 2.5.0 Use wp_get_attachment_link()
1858   * @see wp_get_attachment_link()
1859   *
1860   * @param int   $id       Optional. Post ID.
1861   * @param bool  $fullsize Optional. Whether to use full size image. Default false.
1862   * @param array $max_dims Optional. Max image dimensions.
1863   * @param bool $permalink Optional. Whether to include permalink to image. Default false.
1864   * @return string
1865   */
1866  function get_the_attachment_link($id = 0, $fullsize = false, $max_dims = false, $permalink = false) {
1867      _deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_link()' );
1868      $id = (int) $id;
1869      $_post = get_post($id);
1870  
1871      if ( ('attachment' != $_post->post_type) || !$url = wp_get_attachment_url($_post->ID) )
1872          return __('Missing Attachment');
1873  
1874      if ( $permalink )
1875          $url = get_attachment_link($_post->ID);
1876  
1877      $post_title = esc_attr($_post->post_title);
1878  
1879      $innerHTML = get_attachment_innerHTML($_post->ID, $fullsize, $max_dims);
1880      return "<a href='$url' title='$post_title'>$innerHTML</a>";
1881  }
1882  
1883  /**
1884   * Retrieve icon URL and Path.
1885   *
1886   * @since 2.1.0
1887   * @deprecated 2.5.0 Use wp_get_attachment_image_src()
1888   * @see wp_get_attachment_image_src()
1889   *
1890   * @param int  $id       Optional. Post ID.
1891   * @param bool $fullsize Optional. Whether to have full image. Default false.
1892   * @return array Icon URL and full path to file, respectively.
1893   */
1894  function get_attachment_icon_src( $id = 0, $fullsize = false ) {
1895      _deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_image_src()' );
1896      $id = (int) $id;
1897      if ( !$post = get_post($id) )
1898          return false;
1899  
1900      $file = get_attached_file( $post->ID );
1901  
1902      if ( !$fullsize && $src = wp_get_attachment_thumb_url( $post->ID ) ) {
1903          // We have a thumbnail desired, specified and existing.
1904  
1905          $src_file = wp_basename($src);
1906      } elseif ( wp_attachment_is_image( $post->ID ) ) {
1907          // We have an image without a thumbnail.
1908  
1909          $src = wp_get_attachment_url( $post->ID );
1910          $src_file = & $file;
1911      } elseif ( $src = wp_mime_type_icon( $post->ID ) ) {
1912          // No thumb, no image. We'll look for a mime-related icon instead.
1913  
1914          /** This filter is documented in wp-includes/post.php */
1915          $icon_dir = apply_filters( 'icon_dir', get_template_directory() . '/images' );
1916          $src_file = $icon_dir . '/' . wp_basename($src);
1917      }
1918  
1919      if ( !isset($src) || !$src )
1920          return false;
1921  
1922      return array($src, $src_file);
1923  }
1924  
1925  /**
1926   * Retrieve HTML content of icon attachment image element.
1927   *
1928   * @since 2.0.0
1929   * @deprecated 2.5.0 Use wp_get_attachment_image()
1930   * @see wp_get_attachment_image()
1931   *
1932   * @param int   $id       Optional. Post ID.
1933   * @param bool  $fullsize Optional. Whether to have full size image. Default false.
1934   * @param array $max_dims Optional. Dimensions of image.
1935   * @return string|false HTML content.
1936   */
1937  function get_attachment_icon( $id = 0, $fullsize = false, $max_dims = false ) {
1938      _deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_image()' );
1939      $id = (int) $id;
1940      if ( !$post = get_post($id) )
1941          return false;
1942  
1943      if ( !$src = get_attachment_icon_src( $post->ID, $fullsize ) )
1944          return false;
1945  
1946      list($src, $src_file) = $src;
1947  
1948      // Do we need to constrain the image?
1949      if ( ($max_dims = apply_filters('attachment_max_dims', $max_dims)) && file_exists($src_file) ) {
1950  
1951          $imagesize = wp_getimagesize($src_file);
1952  
1953          if (($imagesize[0] > $max_dims[0]) || $imagesize[1] > $max_dims[1] ) {
1954              $actual_aspect = $imagesize[0] / $imagesize[1];
1955              $desired_aspect = $max_dims[0] / $max_dims[1];
1956  
1957              if ( $actual_aspect >= $desired_aspect ) {
1958                  $height = $actual_aspect * $max_dims[0];
1959                  $constraint = "width='{$max_dims[0]}' ";
1960                  $post->iconsize = array($max_dims[0], $height);
1961              } else {
1962                  $width = $max_dims[1] / $actual_aspect;
1963                  $constraint = "height='{$max_dims[1]}' ";
1964                  $post->iconsize = array($width, $max_dims[1]);
1965              }
1966          } else {
1967              $post->iconsize = array($imagesize[0], $imagesize[1]);
1968              $constraint = '';
1969          }
1970      } else {
1971          $constraint = '';
1972      }
1973  
1974      $post_title = esc_attr($post->post_title);
1975  
1976      $icon = "<img src='$src' title='$post_title' alt='$post_title' $constraint/>";
1977  
1978      return apply_filters( 'attachment_icon', $icon, $post->ID );
1979  }
1980  
1981  /**
1982   * Retrieve HTML content of image element.
1983   *
1984   * @since 2.0.0
1985   * @deprecated 2.5.0 Use wp_get_attachment_image()
1986   * @see wp_get_attachment_image()
1987   *
1988   * @param int   $id       Optional. Post ID.
1989   * @param bool  $fullsize Optional. Whether to have full size image. Default false.
1990   * @param array $max_dims Optional. Dimensions of image.
1991   * @return string|false
1992   */
1993  function get_attachment_innerHTML($id = 0, $fullsize = false, $max_dims = false) {
1994      _deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_image()' );
1995      $id = (int) $id;
1996      if ( !$post = get_post($id) )
1997          return false;
1998  
1999      if ( $innerHTML = get_attachment_icon($post->ID, $fullsize, $max_dims))
2000          return $innerHTML;
2001  
2002      $innerHTML = esc_attr($post->post_title);
2003  
2004      return apply_filters('attachment_innerHTML', $innerHTML, $post->ID);
2005  }
2006  
2007  /**
2008   * Retrieves bookmark data based on ID.
2009   *
2010   * @since 2.0.0
2011   * @deprecated 2.1.0 Use get_bookmark()
2012   * @see get_bookmark()
2013   *
2014   * @param int    $bookmark_id ID of link
2015   * @param string $output      Optional. Type of output. Accepts OBJECT, ARRAY_N, or ARRAY_A.
2016   *                            Default OBJECT.
2017   * @param string $filter      Optional. How to filter the link for output. Accepts 'raw', 'edit',
2018   *                            'attribute', 'js', 'db', or 'display'. Default 'raw'.
2019   * @return object|array Bookmark object or array, depending on the type specified by `$output`.
2020   */
2021  function get_link( $bookmark_id, $output = OBJECT, $filter = 'raw' ) {
2022      _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmark()' );
2023      return get_bookmark($bookmark_id, $output, $filter);
2024  }
2025  
2026  /**
2027   * Checks and cleans a URL.
2028   *
2029   * A number of characters are removed from the URL. If the URL is for displaying
2030   * (the default behaviour) ampersands are also replaced. The 'clean_url' filter
2031   * is applied to the returned cleaned URL.
2032   *
2033   * @since 1.2.0
2034   * @deprecated 3.0.0 Use esc_url()
2035   * @see esc_url()
2036   *
2037   * @param string $url The URL to be cleaned.
2038   * @param array $protocols Optional. An array of acceptable protocols.
2039   * @param string $context Optional. How the URL will be used. Default is 'display'.
2040   * @return string The cleaned $url after the {@see 'clean_url'} filter is applied.
2041   */
2042  function clean_url( $url, $protocols = null, $context = 'display' ) {
2043      if ( $context == 'db' )
2044          _deprecated_function( 'clean_url( $context = \'db\' )', '3.0.0', 'esc_url_raw()' );
2045      else
2046          _deprecated_function( __FUNCTION__, '3.0.0', 'esc_url()' );
2047      return esc_url( $url, $protocols, $context );
2048  }
2049  
2050  /**
2051   * Escape single quotes, specialchar double quotes, and fix line endings.
2052   *
2053   * The filter {@see 'js_escape'} is also applied by esc_js().
2054   *
2055   * @since 2.0.4
2056   * @deprecated 2.8.0 Use esc_js()
2057   * @see esc_js()
2058   *
2059   * @param string $text The text to be escaped.
2060   * @return string Escaped text.
2061   */
2062  function js_escape( $text ) {
2063      _deprecated_function( __FUNCTION__, '2.8.0', 'esc_js()' );
2064      return esc_js( $text );
2065  }
2066  
2067  /**
2068   * Legacy escaping for HTML blocks.
2069   *
2070   * @deprecated 2.8.0 Use esc_html()
2071   * @see esc_html()
2072   *
2073   * @param string       $string        String to escape.
2074   * @param string       $quote_style   Unused.
2075   * @param false|string $charset       Unused.
2076   * @param false        $double_encode Whether to double encode. Unused.
2077   * @return string Escaped `$string`.
2078   */
2079  function wp_specialchars( $string, $quote_style = ENT_NOQUOTES, $charset = false, $double_encode = false ) {
2080      _deprecated_function( __FUNCTION__, '2.8.0', 'esc_html()' );
2081      if ( func_num_args() > 1 ) { // Maintain back-compat for people passing additional arguments.
2082          return _wp_specialchars( $string, $quote_style, $charset, $double_encode );
2083      } else {
2084          return esc_html( $string );
2085      }
2086  }
2087  
2088  /**
2089   * Escaping for HTML attributes.
2090   *
2091   * @since 2.0.6
2092   * @deprecated 2.8.0 Use esc_attr()
2093   * @see esc_attr()
2094   *
2095   * @param string $text
2096   * @return string
2097   */
2098  function attribute_escape( $text ) {
2099      _deprecated_function( __FUNCTION__, '2.8.0', 'esc_attr()' );
2100      return esc_attr( $text );
2101  }
2102  
2103  /**
2104   * Register widget for sidebar with backward compatibility.
2105   *
2106   * Allows $name to be an array that accepts either three elements to grab the
2107   * first element and the third for the name or just uses the first element of
2108   * the array for the name.
2109   *
2110   * Passes to wp_register_sidebar_widget() after argument list and backward
2111   * compatibility is complete.
2112   *
2113   * @since 2.2.0
2114   * @deprecated 2.8.0 Use wp_register_sidebar_widget()
2115   * @see wp_register_sidebar_widget()
2116   *
2117   * @param string|int $name            Widget ID.
2118   * @param callable   $output_callback Run when widget is called.
2119   * @param string     $classname       Optional. Classname widget option. Default empty.
2120   * @param mixed      ...$params       Widget parameters.
2121   */
2122  function register_sidebar_widget($name, $output_callback, $classname = '', ...$params) {
2123      _deprecated_function( __FUNCTION__, '2.8.0', 'wp_register_sidebar_widget()' );
2124      // Compat.
2125      if ( is_array( $name ) ) {
2126          if ( count( $name ) === 3 ) {
2127              $name = sprintf( $name[0], $name[2] );
2128          } else {
2129              $name = $name[0];
2130          }
2131      }
2132  
2133      $id      = sanitize_title( $name );
2134      $options = array();
2135      if ( ! empty( $classname ) && is_string( $classname ) ) {
2136          $options['classname'] = $classname;
2137      }
2138  
2139      wp_register_sidebar_widget( $id, $name, $output_callback, $options, ...$params );
2140  }
2141  
2142  /**
2143   * Serves as an alias of wp_unregister_sidebar_widget().
2144   *
2145   * @since 2.2.0
2146   * @deprecated 2.8.0 Use wp_unregister_sidebar_widget()
2147   * @see wp_unregister_sidebar_widget()
2148   *
2149   * @param int|string $id Widget ID.
2150   */
2151  function unregister_sidebar_widget($id) {
2152      _deprecated_function( __FUNCTION__, '2.8.0', 'wp_unregister_sidebar_widget()' );
2153      return wp_unregister_sidebar_widget($id);
2154  }
2155  
2156  /**
2157   * Registers widget control callback for customizing options.
2158   *
2159   * Allows $name to be an array that accepts either three elements to grab the
2160   * first element and the third for the name or just uses the first element of
2161   * the array for the name.
2162   *
2163   * Passes to wp_register_widget_control() after the argument list has
2164   * been compiled.
2165   *
2166   * @since 2.2.0
2167   * @deprecated 2.8.0 Use wp_register_widget_control()
2168   * @see wp_register_widget_control()
2169   *
2170   * @param int|string $name             Sidebar ID.
2171   * @param callable   $control_callback Widget control callback to display and process form.
2172   * @param int        $width            Widget width.
2173   * @param int        $height           Widget height.
2174   * @param mixed      ...$params        Widget parameters.
2175   */
2176  function register_widget_control($name, $control_callback, $width = '', $height = '', ...$params) {
2177      _deprecated_function( __FUNCTION__, '2.8.0', 'wp_register_widget_control()' );
2178      // Compat.
2179      if ( is_array( $name ) ) {
2180          if ( count( $name ) === 3 ) {
2181              $name = sprintf( $name[0], $name[2] );
2182          } else {
2183              $name = $name[0];
2184          }
2185      }
2186  
2187      $id      = sanitize_title( $name );
2188      $options = array();
2189      if ( ! empty( $width ) ) {
2190          $options['width'] = $width;
2191      }
2192      if ( ! empty( $height ) ) {
2193          $options['height'] = $height;
2194      }
2195  
2196      wp_register_widget_control( $id, $name, $control_callback, $options, ...$params );
2197  }
2198  
2199  /**
2200   * Alias of wp_unregister_widget_control().
2201   *
2202   * @since 2.2.0
2203   * @deprecated 2.8.0 Use wp_unregister_widget_control()
2204   * @see wp_unregister_widget_control()
2205   *
2206   * @param int|string $id Widget ID.
2207   */
2208  function unregister_widget_control($id) {
2209      _deprecated_function( __FUNCTION__, '2.8.0', 'wp_unregister_widget_control()' );
2210      return wp_unregister_widget_control($id);
2211  }
2212  
2213  /**
2214   * Remove user meta data.
2215   *
2216   * @since 2.0.0
2217   * @deprecated 3.0.0 Use delete_user_meta()
2218   * @see delete_user_meta()
2219   *
2220   * @param int $user_id User ID.
2221   * @param string $meta_key Metadata key.
2222   * @param mixed $meta_value Optional. Metadata value. Default empty.
2223   * @return bool True deletion completed and false if user_id is not a number.
2224   */
2225  function delete_usermeta( $user_id, $meta_key, $meta_value = '' ) {
2226      _deprecated_function( __FUNCTION__, '3.0.0', 'delete_user_meta()' );
2227      global $wpdb;
2228      if ( !is_numeric( $user_id ) )
2229          return false;
2230      $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
2231  
2232      if ( is_array($meta_value) || is_object($meta_value) )
2233          $meta_value = serialize($meta_value);
2234      $meta_value = trim( $meta_value );
2235  
2236      $cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
2237  
2238      if ( $cur && $cur->umeta_id )
2239          do_action( 'delete_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
2240  
2241      if ( ! empty($meta_value) )
2242          $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s AND meta_value = %s", $user_id, $meta_key, $meta_value) );
2243      else
2244          $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
2245  
2246      clean_user_cache( $user_id );
2247      wp_cache_delete( $user_id, 'user_meta' );
2248  
2249      if ( $cur && $cur->umeta_id )
2250          do_action( 'deleted_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
2251  
2252      return true;
2253  }
2254  
2255  /**
2256   * Retrieve user metadata.
2257   *
2258   * If $user_id is not a number, then the function will fail over with a 'false'
2259   * boolean return value. Other returned values depend on whether there is only
2260   * one item to be returned, which be that single item type. If there is more
2261   * than one metadata value, then it will be list of metadata values.
2262   *
2263   * @since 2.0.0
2264   * @deprecated 3.0.0 Use get_user_meta()
2265   * @see get_user_meta()
2266   *
2267   * @param int $user_id User ID
2268   * @param string $meta_key Optional. Metadata key. Default empty.
2269   * @return mixed
2270   */
2271  function get_usermeta( $user_id, $meta_key = '' ) {
2272      _deprecated_function( __FUNCTION__, '3.0.0', 'get_user_meta()' );
2273      global $wpdb;
2274      $user_id = (int) $user_id;
2275  
2276      if ( !$user_id )
2277          return false;
2278  
2279      if ( !empty($meta_key) ) {
2280          $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
2281          $user = wp_cache_get($user_id, 'users');
2282          // Check the cached user object.
2283          if ( false !== $user && isset($user->$meta_key) )
2284              $metas = array($user->$meta_key);
2285          else
2286              $metas = $wpdb->get_col( $wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
2287      } else {
2288          $metas = $wpdb->get_col( $wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d", $user_id) );
2289      }
2290  
2291      if ( empty($metas) ) {
2292          if ( empty($meta_key) )
2293              return array();
2294          else
2295              return '';
2296      }
2297  
2298      $metas = array_map('maybe_unserialize', $metas);
2299  
2300      if ( count($metas) == 1 )
2301          return $metas[0];
2302      else
2303          return $metas;
2304  }
2305  
2306  /**
2307   * Update metadata of user.
2308   *
2309   * There is no need to serialize values, they will be serialized if it is
2310   * needed. The metadata key can only be a string with underscores. All else will
2311   * be removed.
2312   *
2313   * Will remove the metadata, if the meta value is empty.
2314   *
2315   * @since 2.0.0
2316   * @deprecated 3.0.0 Use update_user_meta()
2317   * @see update_user_meta()
2318   *
2319   * @param int $user_id User ID
2320   * @param string $meta_key Metadata key.
2321   * @param mixed $meta_value Metadata value.
2322   * @return bool True on successful update, false on failure.
2323   */
2324  function update_usermeta( $user_id, $meta_key, $meta_value ) {
2325      _deprecated_function( __FUNCTION__, '3.0.0', 'update_user_meta()' );
2326      global $wpdb;
2327      if ( !is_numeric( $user_id ) )
2328          return false;
2329      $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
2330  
2331      /** @todo Might need fix because usermeta data is assumed to be already escaped */
2332      if ( is_string($meta_value) )
2333          $meta_value = stripslashes($meta_value);
2334      $meta_value = maybe_serialize($meta_value);
2335  
2336      if (empty($meta_value)) {
2337          return delete_usermeta($user_id, $meta_key);
2338      }
2339  
2340      $cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
2341  
2342      if ( $cur )
2343          do_action( 'update_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
2344  
2345      if ( !$cur )
2346          $wpdb->insert($wpdb->usermeta, compact('user_id', 'meta_key', 'meta_value') );
2347      elseif ( $cur->meta_value != $meta_value )
2348          $wpdb->update($wpdb->usermeta, compact('meta_value'), compact('user_id', 'meta_key') );
2349      else
2350          return false;
2351  
2352      clean_user_cache( $user_id );
2353      wp_cache_delete( $user_id, 'user_meta' );
2354  
2355      if ( !$cur )
2356          do_action( 'added_usermeta', $wpdb->insert_id, $user_id, $meta_key, $meta_value );
2357      else
2358          do_action( 'updated_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
2359  
2360      return true;
2361  }
2362  
2363  /**
2364   * Get users for the site.
2365   *
2366   * For setups that use the multisite feature. Can be used outside of the
2367   * multisite feature.
2368   *
2369   * @since 2.2.0
2370   * @deprecated 3.1.0 Use get_users()
2371   * @see get_users()
2372   *
2373   * @global wpdb $wpdb WordPress database abstraction object.
2374   *
2375   * @param int $id Site ID.
2376   * @return array List of users that are part of that site ID
2377   */
2378  function get_users_of_blog( $id = '' ) {
2379      _deprecated_function( __FUNCTION__, '3.1.0', 'get_users()' );
2380  
2381      global $wpdb;
2382      if ( empty( $id ) ) {
2383          $id = get_current_blog_id();
2384      }
2385      $blog_prefix = $wpdb->get_blog_prefix($id);
2386      $users = $wpdb->get_results( "SELECT user_id, user_id AS ID, user_login, display_name, user_email, meta_value FROM $wpdb->users, $wpdb->usermeta WHERE {$wpdb->users}.ID = {$wpdb->usermeta}.user_id AND meta_key = '{$blog_prefix}capabilities' ORDER BY {$wpdb->usermeta}.user_id" );
2387      return $users;
2388  }
2389  
2390  /**
2391   * Enable/disable automatic general feed link outputting.
2392   *
2393   * @since 2.8.0
2394   * @deprecated 3.0.0 Use add_theme_support()
2395   * @see add_theme_support()
2396   *
2397   * @param bool $add Optional. Add or remove links. Default true.
2398   */
2399  function automatic_feed_links( $add = true ) {
2400      _deprecated_function( __FUNCTION__, '3.0.0', "add_theme_support( 'automatic-feed-links' )" );
2401  
2402      if ( $add )
2403          add_theme_support( 'automatic-feed-links' );
2404      else
2405          remove_action( 'wp_head', 'feed_links_extra', 3 ); // Just do this yourself in 3.0+.
2406  }
2407  
2408  /**
2409   * Retrieve user data based on field.
2410   *
2411   * @since 1.5.0
2412   * @deprecated 3.0.0 Use get_the_author_meta()
2413   * @see get_the_author_meta()
2414   *
2415   * @param string    $field User meta field.
2416   * @param false|int $user  Optional. User ID to retrieve the field for. Default false (current user).
2417   * @return string The author's field from the current author's DB object.
2418   */
2419  function get_profile( $field, $user = false ) {
2420      _deprecated_function( __FUNCTION__, '3.0.0', 'get_the_author_meta()' );
2421      if ( $user ) {
2422          $user = get_user_by( 'login', $user );
2423          $user = $user->ID;
2424      }
2425      return get_the_author_meta( $field, $user );
2426  }
2427  
2428  /**
2429   * Retrieves the number of posts a user has written.
2430   *
2431   * @since 0.71
2432   * @deprecated 3.0.0 Use count_user_posts()
2433   * @see count_user_posts()
2434   *
2435   * @param int $userid User to count posts for.
2436   * @return int Number of posts the given user has written.
2437   */
2438  function get_usernumposts( $userid ) {
2439      _deprecated_function( __FUNCTION__, '3.0.0', 'count_user_posts()' );
2440      return count_user_posts( $userid );
2441  }
2442  
2443  /**
2444   * Callback used to change %uXXXX to &#YYY; syntax
2445   *
2446   * @since 2.8.0
2447   * @access private
2448   * @deprecated 3.0.0
2449   *
2450   * @param array $matches Single Match
2451   * @return string An HTML entity
2452   */
2453  function funky_javascript_callback($matches) {
2454      return "&#".base_convert($matches[1],16,10).";";
2455  }
2456  
2457  /**
2458   * Fixes JavaScript bugs in browsers.
2459   *
2460   * Converts unicode characters to HTML numbered entities.
2461   *
2462   * @since 1.5.0
2463   * @deprecated 3.0.0
2464   *
2465   * @global $is_macIE
2466   * @global $is_winIE
2467   *
2468   * @param string $text Text to be made safe.
2469   * @return string Fixed text.
2470   */
2471  function funky_javascript_fix($text) {
2472      _deprecated_function( __FUNCTION__, '3.0.0' );
2473      // Fixes for browsers' JavaScript bugs.
2474      global $is_macIE, $is_winIE;
2475  
2476      if ( $is_winIE || $is_macIE )
2477          $text =  preg_replace_callback("/\%u([0-9A-F]{4,4})/",
2478                      "funky_javascript_callback",
2479                      $text);
2480  
2481      return $text;
2482  }
2483  
2484  /**
2485   * Checks that the taxonomy name exists.
2486   *
2487   * @since 2.3.0
2488   * @deprecated 3.0.0 Use taxonomy_exists()
2489   * @see taxonomy_exists()
2490   *
2491   * @param string $taxonomy Name of taxonomy object
2492   * @return bool Whether the taxonomy exists.
2493   */
2494  function is_taxonomy( $taxonomy ) {
2495      _deprecated_function( __FUNCTION__, '3.0.0', 'taxonomy_exists()' );
2496      return taxonomy_exists( $taxonomy );
2497  }
2498  
2499  /**
2500   * Check if Term exists.
2501   *
2502   * @since 2.3.0
2503   * @deprecated 3.0.0 Use term_exists()
2504   * @see term_exists()
2505   *
2506   * @param int|string $term The term to check
2507   * @param string $taxonomy The taxonomy name to use
2508   * @param int $parent ID of parent term under which to confine the exists search.
2509   * @return mixed Get the term ID or term object, if exists.
2510   */
2511  function is_term( $term, $taxonomy = '', $parent = 0 ) {
2512      _deprecated_function( __FUNCTION__, '3.0.0', 'term_exists()' );
2513      return term_exists( $term, $taxonomy, $parent );
2514  }
2515  
2516  /**
2517   * Determines whether the current admin page is generated by a plugin.
2518   *
2519   * Use global $plugin_page and/or get_plugin_page_hookname() hooks.
2520   *
2521   * For more information on this and similar theme functions, check out
2522   * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
2523   * Conditional Tags} article in the Theme Developer Handbook.
2524   *
2525   * @since 1.5.0
2526   * @deprecated 3.1.0
2527   *
2528   * @global $plugin_page
2529   *
2530   * @return bool
2531   */
2532  function is_plugin_page() {
2533      _deprecated_function( __FUNCTION__, '3.1.0'  );
2534  
2535      global $plugin_page;
2536  
2537      if ( isset($plugin_page) )
2538          return true;
2539  
2540      return false;
2541  }
2542  
2543  /**
2544   * Update the categories cache.
2545   *
2546   * This function does not appear to be used anymore or does not appear to be
2547   * needed. It might be a legacy function left over from when there was a need
2548   * for updating the category cache.
2549   *
2550   * @since 1.5.0
2551   * @deprecated 3.1.0
2552   *
2553   * @return bool Always return True
2554   */
2555  function update_category_cache() {
2556      _deprecated_function( __FUNCTION__, '3.1.0'  );
2557  
2558      return true;
2559  }
2560  
2561  /**
2562   * Check for PHP timezone support
2563   *
2564   * @since 2.9.0
2565   * @deprecated 3.2.0
2566   *
2567   * @return bool
2568   */
2569  function wp_timezone_supported() {
2570      _deprecated_function( __FUNCTION__, '3.2.0' );
2571  
2572      return true;
2573  }
2574  
2575  /**
2576   * Displays an editor: TinyMCE, HTML, or both.
2577   *
2578   * @since 2.1.0
2579   * @deprecated 3.3.0 Use wp_editor()
2580   * @see wp_editor()
2581   *
2582   * @param string $content       Textarea content.
2583   * @param string $id            Optional. HTML ID attribute value. Default 'content'.
2584   * @param string $prev_id       Optional. Unused.
2585   * @param bool   $media_buttons Optional. Whether to display media buttons. Default true.
2586   * @param int    $tab_index     Optional. Unused.
2587   * @param bool   $extended      Optional. Unused.
2588   */
2589  function the_editor($content, $id = 'content', $prev_id = 'title', $media_buttons = true, $tab_index = 2, $extended = true) {
2590      _deprecated_function( __FUNCTION__, '3.3.0', 'wp_editor()' );
2591  
2592      wp_editor( $content, $id, array( 'media_buttons' => $media_buttons ) );
2593  }
2594  
2595  /**
2596   * Perform the query to get the $metavalues array(s) needed by _fill_user and _fill_many_users
2597   *
2598   * @since 3.0.0
2599   * @deprecated 3.3.0
2600   *
2601   * @param array $ids User ID numbers list.
2602   * @return array of arrays. The array is indexed by user_id, containing $metavalues object arrays.
2603   */
2604  function get_user_metavalues($ids) {
2605      _deprecated_function( __FUNCTION__, '3.3.0' );
2606  
2607      $objects = array();
2608  
2609      $ids = array_map('intval', $ids);
2610      foreach ( $ids as $id )
2611          $objects[$id] = array();
2612  
2613      $metas = update_meta_cache('user', $ids);
2614  
2615      foreach ( $metas as $id => $meta ) {
2616          foreach ( $meta as $key => $metavalues ) {
2617              foreach ( $metavalues as $value ) {
2618                  $objects[$id][] = (object)array( 'user_id' => $id, 'meta_key' => $key, 'meta_value' => $value);
2619              }
2620          }
2621      }
2622  
2623      return $objects;
2624  }
2625  
2626  /**
2627   * Sanitize every user field.
2628   *
2629   * If the context is 'raw', then the user object or array will get minimal santization of the int fields.
2630   *
2631   * @since 2.3.0
2632   * @deprecated 3.3.0
2633   *
2634   * @param object|array $user    The user object or array.
2635   * @param string       $context Optional. How to sanitize user fields. Default 'display'.
2636   * @return object|array The now sanitized user object or array (will be the same type as $user).
2637   */
2638  function sanitize_user_object($user, $context = 'display') {
2639      _deprecated_function( __FUNCTION__, '3.3.0' );
2640  
2641      if ( is_object($user) ) {
2642          if ( !isset($user->ID) )
2643              $user->ID = 0;
2644          if ( ! ( $user instanceof WP_User ) ) {
2645              $vars = get_object_vars($user);
2646              foreach ( array_keys($vars) as $field ) {
2647                  if ( is_string($user->$field) || is_numeric($user->$field) )
2648                      $user->$field = sanitize_user_field($field, $user->$field, $user->ID, $context);
2649              }
2650          }
2651          $user->filter = $context;
2652      } else {
2653          if ( !isset($user['ID']) )
2654              $user['ID'] = 0;
2655          foreach ( array_keys($user) as $field )
2656              $user[$field] = sanitize_user_field($field, $user[$field], $user['ID'], $context);
2657          $user['filter'] = $context;
2658      }
2659  
2660      return $user;
2661  }
2662  
2663  /**
2664   * Get boundary post relational link.
2665   *
2666   * Can either be start or end post relational link.
2667   *
2668   * @since 2.8.0
2669   * @deprecated 3.3.0
2670   *
2671   * @param string $title               Optional. Link title format. Default '%title'.
2672   * @param bool   $in_same_cat         Optional. Whether link should be in a same category.
2673   *                                    Default false.
2674   * @param string $excluded_categories Optional. Excluded categories IDs. Default empty.
2675   * @param bool   $start               Optional. Whether to display link to first or last post.
2676   *                                    Default true.
2677   * @return string
2678   */
2679  function get_boundary_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '', $start = true) {
2680      _deprecated_function( __FUNCTION__, '3.3.0' );
2681  
2682      $posts = get_boundary_post($in_same_cat, $excluded_categories, $start);
2683      // If there is no post, stop.
2684      if ( empty($posts) )
2685          return;
2686  
2687      // Even though we limited get_posts() to return only 1 item it still returns an array of objects.
2688      $post = $posts[0];
2689  
2690      if ( empty($post->post_title) )
2691          $post->post_title = $start ? __('First Post') : __('Last Post');
2692  
2693      $date = mysql2date(get_option('date_format'), $post->post_date);
2694  
2695      $title = str_replace('%title', $post->post_title, $title);
2696      $title = str_replace('%date', $date, $title);
2697      $title = apply_filters('the_title', $title, $post->ID);
2698  
2699      $link = $start ? "<link rel='start' title='" : "<link rel='end' title='";
2700      $link .= esc_attr($title);
2701      $link .= "' href='" . get_permalink($post) . "' />\n";
2702  
2703      $boundary = $start ? 'start' : 'end';
2704      return apply_filters( "{$boundary}_post_rel_link", $link );
2705  }
2706  
2707  /**
2708   * Display relational link for the first post.
2709   *
2710   * @since 2.8.0
2711   * @deprecated 3.3.0
2712   *
2713   * @param string $title Optional. Link title format.
2714   * @param bool $in_same_cat Optional. Whether link should be in a same category.
2715   * @param string $excluded_categories Optional. Excluded categories IDs.
2716   */
2717  function start_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') {
2718      _deprecated_function( __FUNCTION__, '3.3.0' );
2719  
2720      echo get_boundary_post_rel_link($title, $in_same_cat, $excluded_categories, true);
2721  }
2722  
2723  /**
2724   * Get site index relational link.
2725   *
2726   * @since 2.8.0
2727   * @deprecated 3.3.0
2728   *
2729   * @return string
2730   */
2731  function get_index_rel_link() {
2732      _deprecated_function( __FUNCTION__, '3.3.0' );
2733  
2734      $link = "<link rel='index' title='" . esc_attr( get_bloginfo( 'name', 'display' ) ) . "' href='" . esc_url( user_trailingslashit( get_bloginfo( 'url', 'display' ) ) ) . "' />\n";
2735      return apply_filters( "index_rel_link", $link );
2736  }
2737  
2738  /**
2739   * Display relational link for the site index.
2740   *
2741   * @since 2.8.0
2742   * @deprecated 3.3.0
2743   */
2744  function index_rel_link() {
2745      _deprecated_function( __FUNCTION__, '3.3.0' );
2746  
2747      echo get_index_rel_link();
2748  }
2749  
2750  /**
2751   * Get parent post relational link.
2752   *
2753   * @since 2.8.0
2754   * @deprecated 3.3.0
2755   *
2756   * @param string $title Optional. Link title format. Default '%title'.
2757   * @return string
2758   */
2759  function get_parent_post_rel_link( $title = '%title' ) {
2760      _deprecated_function( __FUNCTION__, '3.3.0' );
2761  
2762      if ( ! empty( $GLOBALS['post'] ) && ! empty( $GLOBALS['post']->post_parent ) )
2763          $post = get_post($GLOBALS['post']->post_parent);
2764  
2765      if ( empty($post) )
2766          return;
2767  
2768      $date = mysql2date(get_option('date_format'), $post->post_date);
2769  
2770      $title = str_replace('%title', $post->post_title, $title);
2771      $title = str_replace('%date', $date, $title);
2772      $title = apply_filters('the_title', $title, $post->ID);
2773  
2774      $link = "<link rel='up' title='";
2775      $link .= esc_attr( $title );
2776      $link .= "' href='" . get_permalink($post) . "' />\n";
2777  
2778      return apply_filters( "parent_post_rel_link", $link );
2779  }
2780  
2781  /**
2782   * Display relational link for parent item
2783   *
2784   * @since 2.8.0
2785   * @deprecated 3.3.0
2786   *
2787   * @param string $title Optional. Link title format. Default '%title'.
2788   */
2789  function parent_post_rel_link( $title = '%title' ) {
2790      _deprecated_function( __FUNCTION__, '3.3.0' );
2791  
2792      echo get_parent_post_rel_link($title);
2793  }
2794  
2795  /**
2796   * Add the "Dashboard"/"Visit Site" menu.
2797   *
2798   * @since 3.2.0
2799   * @deprecated 3.3.0
2800   *
2801   * @param WP_Admin_Bar $wp_admin_bar WP_Admin_Bar instance.
2802   */
2803  function wp_admin_bar_dashboard_view_site_menu( $wp_admin_bar ) {
2804      _deprecated_function( __FUNCTION__, '3.3.0' );
2805  
2806      $user_id = get_current_user_id();
2807  
2808      if ( 0 != $user_id ) {
2809          if ( is_admin() )
2810              $wp_admin_bar->add_menu( array( 'id' => 'view-site', 'title' => __( 'Visit Site' ), 'href' => home_url() ) );
2811          elseif ( is_multisite() )
2812              $wp_admin_bar->add_menu( array( 'id' => 'dashboard', 'title' => __( 'Dashboard' ), 'href' => get_dashboard_url( $user_id ) ) );
2813          else
2814              $wp_admin_bar->add_menu( array( 'id' => 'dashboard', 'title' => __( 'Dashboard' ), 'href' => admin_url() ) );
2815      }
2816  }
2817  
2818  /**
2819   * Checks if the current user belong to a given site.
2820   *
2821   * @since MU (3.0.0)
2822   * @deprecated 3.3.0 Use is_user_member_of_blog()
2823   * @see is_user_member_of_blog()
2824   *
2825   * @param int $blog_id Site ID
2826   * @return bool True if the current users belong to $blog_id, false if not.
2827   */
2828  function is_blog_user( $blog_id = 0 ) {
2829      _deprecated_function( __FUNCTION__, '3.3.0', 'is_user_member_of_blog()' );
2830  
2831      return is_user_member_of_blog( get_current_user_id(), $blog_id );
2832  }
2833  
2834  /**
2835   * Open the file handle for debugging.
2836   *
2837   * @since 0.71
2838   * @deprecated 3.4.0 Use error_log()
2839   * @see error_log()
2840   *
2841   * @link https://www.php.net/manual/en/function.error-log.php
2842   *
2843   * @param string $filename File name.
2844   * @param string $mode     Type of access you required to the stream.
2845   * @return false Always false.
2846   */
2847  function debug_fopen( $filename, $mode ) {
2848      _deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
2849      return false;
2850  }
2851  
2852  /**
2853   * Write contents to the file used for debugging.
2854   *
2855   * @since 0.71
2856   * @deprecated 3.4.0 Use error_log()
2857   * @see error_log()
2858   *
2859   * @link https://www.php.net/manual/en/function.error-log.php
2860   *
2861   * @param mixed  $fp     Unused.
2862   * @param string $string Message to log.
2863   */
2864  function debug_fwrite( $fp, $string ) {
2865      _deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
2866      if ( ! empty( $GLOBALS['debug'] ) )
2867          error_log( $string );
2868  }
2869  
2870  /**
2871   * Close the debugging file handle.
2872   *
2873   * @since 0.71
2874   * @deprecated 3.4.0 Use error_log()
2875   * @see error_log()
2876   *
2877   * @link https://www.php.net/manual/en/function.error-log.php
2878   *
2879   * @param mixed $fp Unused.
2880   */
2881  function debug_fclose( $fp ) {
2882      _deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
2883  }
2884  
2885  /**
2886   * Retrieve list of themes with theme data in theme directory.
2887   *
2888   * The theme is broken, if it doesn't have a parent theme and is missing either
2889   * style.css and, or index.php. If the theme has a parent theme then it is
2890   * broken, if it is missing style.css; index.php is optional.
2891   *
2892   * @since 1.5.0
2893   * @deprecated 3.4.0 Use wp_get_themes()
2894   * @see wp_get_themes()
2895   *
2896   * @return array Theme list with theme data.
2897   */
2898  function get_themes() {
2899      _deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_themes()' );
2900  
2901      global $wp_themes;
2902      if ( isset( $wp_themes ) )
2903          return $wp_themes;
2904  
2905      $themes = wp_get_themes();
2906      $wp_themes = array();
2907  
2908      foreach ( $themes as $theme ) {
2909          $name = $theme->get('Name');
2910          if ( isset( $wp_themes[ $name ] ) )
2911              $wp_themes[ $name . '/' . $theme->get_stylesheet() ] = $theme;
2912          else
2913              $wp_themes[ $name ] = $theme;
2914      }
2915  
2916      return $wp_themes;
2917  }
2918  
2919  /**
2920   * Retrieve theme data.
2921   *
2922   * @since 1.5.0
2923   * @deprecated 3.4.0 Use wp_get_theme()
2924   * @see wp_get_theme()
2925   *
2926   * @param string $theme Theme name.
2927   * @return array|null Null, if theme name does not exist. Theme data, if exists.
2928   */
2929  function get_theme( $theme ) {
2930      _deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme( $stylesheet )' );
2931  
2932      $themes = get_themes();
2933      if ( is_array( $themes ) && array_key_exists( $theme, $themes ) )
2934          return $themes[ $theme ];
2935      return null;
2936  }
2937  
2938  /**
2939   * Retrieve current theme name.
2940   *
2941   * @since 1.5.0
2942   * @deprecated 3.4.0 Use wp_get_theme()
2943   * @see wp_get_theme()
2944   *
2945   * @return string
2946   */
2947  function get_current_theme() {
2948      _deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme()' );
2949  
2950      if ( $theme = get_option( 'current_theme' ) )
2951          return $theme;
2952  
2953      return wp_get_theme()->get('Name');
2954  }
2955  
2956  /**
2957   * Accepts matches array from preg_replace_callback in wpautop() or a string.
2958   *
2959   * Ensures that the contents of a `<pre>...</pre>` HTML block are not
2960   * converted into paragraphs or line breaks.
2961   *
2962   * @since 1.2.0
2963   * @deprecated 3.4.0
2964   *
2965   * @param array|string $matches The array or string
2966   * @return string The pre block without paragraph/line break conversion.
2967   */
2968  function clean_pre($matches) {
2969      _deprecated_function( __FUNCTION__, '3.4.0' );
2970  
2971      if ( is_array($matches) )
2972          $text = $matches[1] . $matches[2] . "</pre>";
2973      else
2974          $text = $matches;
2975  
2976      $text = str_replace(array('<br />', '<br/>', '<br>'), array('', '', ''), $text);
2977      $text = str_replace('<p>', "\n", $text);
2978      $text = str_replace('</p>', '', $text);
2979  
2980      return $text;
2981  }
2982  
2983  
2984  /**
2985   * Add callbacks for image header display.
2986   *
2987   * @since 2.1.0
2988   * @deprecated 3.4.0 Use add_theme_support()
2989   * @see add_theme_support()
2990   *
2991   * @param callable $wp_head_callback Call on the {@see 'wp_head'} action.
2992   * @param callable $admin_head_callback Call on custom header administration screen.
2993   * @param callable $admin_preview_callback Output a custom header image div on the custom header administration screen. Optional.
2994   */
2995  function add_custom_image_header( $wp_head_callback, $admin_head_callback, $admin_preview_callback = '' ) {
2996      _deprecated_function( __FUNCTION__, '3.4.0', 'add_theme_support( \'custom-header\', $args )' );
2997      $args = array(
2998          'wp-head-callback'    => $wp_head_callback,
2999          'admin-head-callback' => $admin_head_callback,
3000      );
3001      if ( $admin_preview_callback )
3002          $args['admin-preview-callback'] = $admin_preview_callback;
3003      return add_theme_support( 'custom-header', $args );
3004  }
3005  
3006  /**
3007   * Remove image header support.
3008   *
3009   * @since 3.1.0
3010   * @deprecated 3.4.0 Use remove_theme_support()
3011   * @see remove_theme_support()
3012   *
3013   * @return null|bool Whether support was removed.
3014   */
3015  function remove_custom_image_header() {
3016      _deprecated_function( __FUNCTION__, '3.4.0', 'remove_theme_support( \'custom-header\' )' );
3017      return remove_theme_support( 'custom-header' );
3018  }
3019  
3020  /**
3021   * Add callbacks for background image display.
3022   *
3023   * @since 3.0.0
3024   * @deprecated 3.4.0 Use add_theme_support()
3025   * @see add_theme_support()
3026   *
3027   * @param callable $wp_head_callback Call on the {@see 'wp_head'} action.
3028   * @param callable $admin_head_callback Call on custom background administration screen.
3029   * @param callable $admin_preview_callback Output a custom background image div on the custom background administration screen. Optional.
3030   */
3031  function add_custom_background( $wp_head_callback = '', $admin_head_callback = '', $admin_preview_callback = '' ) {
3032      _deprecated_function( __FUNCTION__, '3.4.0', 'add_theme_support( \'custom-background\', $args )' );
3033      $args = array();
3034      if ( $wp_head_callback )
3035          $args['wp-head-callback'] = $wp_head_callback;
3036      if ( $admin_head_callback )
3037          $args['admin-head-callback'] = $admin_head_callback;
3038      if ( $admin_preview_callback )
3039          $args['admin-preview-callback'] = $admin_preview_callback;
3040      return add_theme_support( 'custom-background', $args );
3041  }
3042  
3043  /**
3044   * Remove custom background support.
3045   *
3046   * @since 3.1.0
3047   * @deprecated 3.4.0 Use add_custom_background()
3048   * @see add_custom_background()
3049   *
3050   * @return null|bool Whether support was removed.
3051   */
3052  function remove_custom_background() {
3053      _deprecated_function( __FUNCTION__, '3.4.0', 'remove_theme_support( \'custom-background\' )' );
3054      return remove_theme_support( 'custom-background' );
3055  }
3056  
3057  /**
3058   * Retrieve theme data from parsed theme file.
3059   *
3060   * @since 1.5.0
3061   * @deprecated 3.4.0 Use wp_get_theme()
3062   * @see wp_get_theme()
3063   *
3064   * @param string $theme_file Theme file path.
3065   * @return array Theme data.
3066   */
3067  function get_theme_data( $theme_file ) {
3068      _deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme()' );
3069      $theme = new WP_Theme( wp_basename( dirname( $theme_file ) ), dirname( dirname( $theme_file ) ) );
3070  
3071      $theme_data = array(
3072          'Name' => $theme->get('Name'),
3073          'URI' => $theme->display('ThemeURI', true, false),
3074          'Description' => $theme->display('Description', true, false),
3075          'Author' => $theme->display('Author', true, false),
3076          'AuthorURI' => $theme->display('AuthorURI', true, false),
3077          'Version' => $theme->get('Version'),
3078          'Template' => $theme->get('Template'),
3079          'Status' => $theme->get('Status'),
3080          'Tags' => $theme->get('Tags'),
3081          'Title' => $theme->get('Name'),
3082          'AuthorName' => $theme->get('Author'),
3083      );
3084  
3085      foreach ( apply_filters( 'extra_theme_headers', array() ) as $extra_header ) {
3086          if ( ! isset( $theme_data[ $extra_header ] ) )
3087              $theme_data[ $extra_header ] = $theme->get( $extra_header );
3088      }
3089  
3090      return $theme_data;
3091  }
3092  
3093  /**
3094   * Alias of update_post_cache().
3095   *
3096   * @see update_post_cache() Posts and pages are the same, alias is intentional
3097   *
3098   * @since 1.5.1
3099   * @deprecated 3.4.0 Use update_post_cache()
3100   * @see update_post_cache()
3101   *
3102   * @param array $pages list of page objects
3103   */
3104  function update_page_cache( &$pages ) {
3105      _deprecated_function( __FUNCTION__, '3.4.0', 'update_post_cache()' );
3106  
3107      update_post_cache( $pages );
3108  }
3109  
3110  /**
3111   * Will clean the page in the cache.
3112   *
3113   * Clean (read: delete) page from cache that matches $id. Will also clean cache
3114   * associated with 'all_page_ids' and 'get_pages'.
3115   *
3116   * @since 2.0.0
3117   * @deprecated 3.4.0 Use clean_post_cache
3118   * @see clean_post_cache()
3119   *
3120   * @param int $id Page ID to clean
3121   */
3122  function clean_page_cache( $id ) {
3123      _deprecated_function( __FUNCTION__, '3.4.0', 'clean_post_cache()' );
3124  
3125      clean_post_cache( $id );
3126  }
3127  
3128  /**
3129   * Retrieve nonce action "Are you sure" message.
3130   *
3131   * Deprecated in 3.4.1 and 3.5.0. Backported to 3.3.3.
3132   *
3133   * @since 2.0.4
3134   * @deprecated 3.4.1 Use wp_nonce_ays()
3135   * @see wp_nonce_ays()
3136   *
3137   * @param string $action Nonce action.
3138   * @return string Are you sure message.
3139   */
3140  function wp_explain_nonce( $action ) {
3141      _deprecated_function( __FUNCTION__, '3.4.1', 'wp_nonce_ays()' );
3142      return __( 'Are you sure you want to do this?' );
3143  }
3144  
3145  /**
3146   * Display "sticky" CSS class, if a post is sticky.
3147   *
3148   * @since 2.7.0
3149   * @deprecated 3.5.0 Use post_class()
3150   * @see post_class()
3151   *
3152   * @param int $post_id An optional post ID.
3153   */
3154  function sticky_class( $post_id = null ) {
3155      _deprecated_function( __FUNCTION__, '3.5.0', 'post_class()' );
3156      if ( is_sticky( $post_id ) )
3157          echo ' sticky';
3158  }
3159  
3160  /**
3161   * Retrieve post ancestors.
3162   *
3163   * This is no longer needed as WP_Post lazy-loads the ancestors
3164   * property with get_post_ancestors().
3165   *
3166   * @since 2.3.4
3167   * @deprecated 3.5.0 Use get_post_ancestors()
3168   * @see get_post_ancestors()
3169   *
3170   * @param WP_Post $post Post object, passed by reference (unused).
3171   */
3172  function _get_post_ancestors( &$post ) {
3173      _deprecated_function( __FUNCTION__, '3.5.0' );
3174  }
3175  
3176  /**
3177   * Load an image from a string, if PHP supports it.
3178   *
3179   * @since 2.1.0
3180   * @deprecated 3.5.0 Use wp_get_image_editor()
3181   * @see wp_get_image_editor()
3182   *
3183   * @param string $file Filename of the image to load.
3184   * @return resource|GdImage|string The resulting image resource or GdImage instance on success,
3185   *                                 error string on failure.
3186   */
3187  function wp_load_image( $file ) {
3188      _deprecated_function( __FUNCTION__, '3.5.0', 'wp_get_image_editor()' );
3189  
3190      if ( is_numeric( $file ) )
3191          $file = get_attached_file( $file );
3192  
3193      if ( ! is_file( $file ) ) {
3194          /* translators: %s: File name. */
3195          return sprintf( __( 'File &#8220;%s&#8221; doesn&#8217;t exist?' ), $file );
3196      }
3197  
3198      if ( ! function_exists('imagecreatefromstring') )
3199          return __('The GD image library is not installed.');
3200  
3201      // Set artificially high because GD uses uncompressed images in memory.
3202      wp_raise_memory_limit( 'image' );
3203  
3204      $image = imagecreatefromstring( file_get_contents( $file ) );
3205  
3206      if ( ! is_gd_image( $image ) ) {
3207          /* translators: %s: File name. */
3208          return sprintf( __( 'File &#8220;%s&#8221; is not an image.' ), $file );
3209      }
3210  
3211      return $image;
3212  }
3213  
3214  /**
3215   * Scale down an image to fit a particular size and save a new copy of the image.
3216   *
3217   * The PNG transparency will be preserved using the function, as well as the
3218   * image type. If the file going in is PNG, then the resized image is going to
3219   * be PNG. The only supported image types are PNG, GIF, and JPEG.
3220   *
3221   * Some functionality requires API to exist, so some PHP version may lose out
3222   * support. This is not the fault of WordPress (where functionality is
3223   * downgraded, not actual defects), but of your PHP version.
3224   *
3225   * @since 2.5.0
3226   * @deprecated 3.5.0 Use wp_get_image_editor()
3227   * @see wp_get_image_editor()
3228   *
3229   * @param string $file         Image file path.
3230   * @param int    $max_w        Maximum width to resize to.
3231   * @param int    $max_h        Maximum height to resize to.
3232   * @param bool   $crop         Optional. Whether to crop image or resize. Default false.
3233   * @param string $suffix       Optional. File suffix. Default null.
3234   * @param string $dest_path    Optional. New image file path. Default null.
3235   * @param int    $jpeg_quality Optional. Image quality percentage. Default 90.
3236   * @return mixed WP_Error on failure. String with new destination path.
3237   */
3238  function image_resize( $file, $max_w, $max_h, $crop = false, $suffix = null, $dest_path = null, $jpeg_quality = 90 ) {
3239      _deprecated_function( __FUNCTION__, '3.5.0', 'wp_get_image_editor()' );
3240  
3241      $editor = wp_get_image_editor( $file );
3242      if ( is_wp_error( $editor ) )
3243          return $editor;
3244      $editor->set_quality( $jpeg_quality );
3245  
3246      $resized = $editor->resize( $max_w, $max_h, $crop );
3247      if ( is_wp_error( $resized ) )
3248          return $resized;
3249  
3250      $dest_file = $editor->generate_filename( $suffix, $dest_path );
3251      $saved = $editor->save( $dest_file );
3252  
3253      if ( is_wp_error( $saved ) )
3254          return $saved;
3255  
3256      return $dest_file;
3257  }
3258  
3259  /**
3260   * Retrieve a single post, based on post ID.
3261   *
3262   * Has categories in 'post_category' property or key. Has tags in 'tags_input'
3263   * property or key.
3264   *
3265   * @since 1.0.0
3266   * @deprecated 3.5.0 Use get_post()
3267   * @see get_post()
3268   *
3269   * @param int $postid Post ID.
3270   * @param string $mode How to return result, either OBJECT, ARRAY_N, or ARRAY_A.
3271   * @return WP_Post|null Post object or array holding post contents and information
3272   */
3273  function wp_get_single_post( $postid = 0, $mode = OBJECT ) {
3274      _deprecated_function( __FUNCTION__, '3.5.0', 'get_post()' );
3275      return get_post( $postid, $mode );
3276  }
3277  
3278  /**
3279   * Check that the user login name and password is correct.
3280   *
3281   * @since 0.71
3282   * @deprecated 3.5.0 Use wp_authenticate()
3283   * @see wp_authenticate()
3284   *
3285   * @param string $user_login User name.
3286   * @param string $user_pass User password.
3287   * @return bool False if does not authenticate, true if username and password authenticates.
3288   */
3289  function user_pass_ok($user_login, $user_pass) {
3290      _deprecated_function( __FUNCTION__, '3.5.0', 'wp_authenticate()' );
3291      $user = wp_authenticate( $user_login, $user_pass );
3292      if ( is_wp_error( $user ) )
3293          return false;
3294  
3295      return true;
3296  }
3297  
3298  /**
3299   * Callback formerly fired on the save_post hook. No longer needed.
3300   *
3301   * @since 2.3.0
3302   * @deprecated 3.5.0
3303   */
3304  function _save_post_hook() {}
3305  
3306  /**
3307   * Check if the installed version of GD supports particular image type
3308   *
3309   * @since 2.9.0
3310   * @deprecated 3.5.0 Use wp_image_editor_supports()
3311   * @see wp_image_editor_supports()
3312   *
3313   * @param string $mime_type
3314   * @return bool
3315   */
3316  function gd_edit_image_support($mime_type) {
3317      _deprecated_function( __FUNCTION__, '3.5.0', 'wp_image_editor_supports()' );
3318  
3319      if ( function_exists('imagetypes') ) {
3320          switch( $mime_type ) {
3321              case 'image/jpeg':
3322                  return (imagetypes() & IMG_JPG) != 0;
3323              case 'image/png':
3324                  return (imagetypes() & IMG_PNG) != 0;
3325              case 'image/gif':
3326                  return (imagetypes() & IMG_GIF) != 0;
3327              case 'image/webp':
3328                  return (imagetypes() & IMG_WEBP) != 0; // phpcs:ignore PHPCompatibility.Constants.NewConstants.img_webpFound
3329          }
3330      } else {
3331          switch( $mime_type ) {
3332              case 'image/jpeg':
3333                  return function_exists('imagecreatefromjpeg');
3334              case 'image/png':
3335                  return function_exists('imagecreatefrompng');
3336              case 'image/gif':
3337                  return function_exists('imagecreatefromgif');
3338              case 'image/webp':
3339                  return function_exists('imagecreatefromwebp');
3340          }
3341      }
3342      return false;
3343  }
3344  
3345  /**
3346   * Converts an integer byte value to a shorthand byte value.
3347   *
3348   * @since 2.3.0
3349   * @deprecated 3.6.0 Use size_format()
3350   * @see size_format()
3351   *
3352   * @param int $bytes An integer byte value.
3353   * @return string A shorthand byte value.
3354   */
3355  function wp_convert_bytes_to_hr( $bytes ) {
3356      _deprecated_function( __FUNCTION__, '3.6.0', 'size_format()' );
3357  
3358      $units = array( 0 => 'B', 1 => 'KB', 2 => 'MB', 3 => 'GB', 4 => 'TB' );
3359      $log   = log( $bytes, KB_IN_BYTES );
3360      $power = (int) $log;
3361      $size  = KB_IN_BYTES ** ( $log - $power );
3362  
3363      if ( ! is_nan( $size ) && array_key_exists( $power, $units ) ) {
3364          $unit = $units[ $power ];
3365      } else {
3366          $size = $bytes;
3367          $unit = $units[0];
3368      }
3369  
3370      return $size . $unit;
3371  }
3372  
3373  /**
3374   * Formerly used internally to tidy up the search terms.
3375   *
3376   * @since 2.9.0
3377   * @access private
3378   * @deprecated 3.7.0
3379   *
3380   * @param string $t Search terms to "tidy", e.g. trim.
3381   * @return string Trimmed search terms.
3382   */
3383  function _search_terms_tidy( $t ) {
3384      _deprecated_function( __FUNCTION__, '3.7.0' );
3385      return trim( $t, "\"'\n\r " );
3386  }
3387  
3388  /**
3389   * Determine if TinyMCE is available.
3390   *
3391   * Checks to see if the user has deleted the tinymce files to slim down
3392   * their WordPress installation.
3393   *
3394   * @since 2.1.0
3395   * @deprecated 3.9.0
3396   *
3397   * @return bool Whether TinyMCE exists.
3398   */
3399  function rich_edit_exists() {
3400      global $wp_rich_edit_exists;
3401      _deprecated_function( __FUNCTION__, '3.9.0' );
3402  
3403      if ( ! isset( $wp_rich_edit_exists ) )
3404          $wp_rich_edit_exists = file_exists( ABSPATH . WPINC . '/js/tinymce/tinymce.js' );
3405  
3406      return $wp_rich_edit_exists;
3407  }
3408  
3409  /**
3410   * Old callback for tag link tooltips.
3411   *
3412   * @since 2.7.0
3413   * @access private
3414   * @deprecated 3.9.0
3415   *
3416   * @param int $count Number of topics.
3417   * @return int Number of topics.
3418   */
3419  function default_topic_count_text( $count ) {
3420      return $count;
3421  }
3422  
3423  /**
3424   * Formerly used to escape strings before inserting into the DB.
3425   *
3426   * Has not performed this function for many, many years. Use wpdb::prepare() instead.
3427   *
3428   * @since 0.71
3429   * @deprecated 3.9.0
3430   *
3431   * @param string $content The text to format.
3432   * @return string The very same text.
3433   */
3434  function format_to_post( $content ) {
3435      _deprecated_function( __FUNCTION__, '3.9.0' );
3436      return $content;
3437  }
3438  
3439  /**
3440   * Formerly used to escape strings before searching the DB. It was poorly documented and never worked as described.
3441   *
3442   * @since 2.5.0
3443   * @deprecated 4.0.0 Use wpdb::esc_like()
3444   * @see wpdb::esc_like()
3445   *
3446   * @param string $text The text to be escaped.
3447   * @return string text, safe for inclusion in LIKE query.
3448   */
3449  function like_escape($text) {
3450      _deprecated_function( __FUNCTION__, '4.0.0', 'wpdb::esc_like()' );
3451      return str_replace( array( "%", "_" ), array( "\\%", "\\_" ), $text );
3452  }
3453  
3454  /**
3455   * Determines if the URL can be accessed over SSL.
3456   *
3457   * Determines if the URL can be accessed over SSL by using the WordPress HTTP API to access
3458   * the URL using https as the scheme.
3459   *
3460   * @since 2.5.0
3461   * @deprecated 4.0.0
3462   *
3463   * @param string $url The URL to test.
3464   * @return bool Whether SSL access is available.
3465   */
3466  function url_is_accessable_via_ssl( $url ) {
3467      _deprecated_function( __FUNCTION__, '4.0.0' );
3468  
3469      $response = wp_remote_get( set_url_scheme( $url, 'https' ) );
3470  
3471      if ( !is_wp_error( $response ) ) {
3472          $status = wp_remote_retrieve_response_code( $response );
3473          if ( 200 == $status || 401 == $status ) {
3474              return true;
3475          }
3476      }
3477  
3478      return false;
3479  }
3480  
3481  /**
3482   * Start preview theme output buffer.
3483   *
3484   * Will only perform task if the user has permissions and template and preview
3485   * query variables exist.
3486   *
3487   * @since 2.6.0
3488   * @deprecated 4.3.0
3489   */
3490  function preview_theme() {
3491      _deprecated_function( __FUNCTION__, '4.3.0' );
3492  }
3493  
3494  /**
3495   * Private function to modify the current template when previewing a theme
3496   *
3497   * @since 2.9.0
3498   * @deprecated 4.3.0
3499   * @access private
3500   *
3501   * @return string
3502   */
3503  function _preview_theme_template_filter() {
3504      _deprecated_function( __FUNCTION__, '4.3.0' );
3505      return '';
3506  }
3507  
3508  /**
3509   * Private function to modify the current stylesheet when previewing a theme
3510   *
3511   * @since 2.9.0
3512   * @deprecated 4.3.0
3513   * @access private
3514   *
3515   * @return string
3516   */
3517  function _preview_theme_stylesheet_filter() {
3518      _deprecated_function( __FUNCTION__, '4.3.0' );
3519      return '';
3520  }
3521  
3522  /**
3523   * Callback function for ob_start() to capture all links in the theme.
3524   *
3525   * @since 2.6.0
3526   * @deprecated 4.3.0
3527   * @access private
3528   *
3529   * @param string $content
3530   * @return string
3531   */
3532  function preview_theme_ob_filter( $content ) {
3533      _deprecated_function( __FUNCTION__, '4.3.0' );
3534      return $content;
3535  }
3536  
3537  /**
3538   * Manipulates preview theme links in order to control and maintain location.
3539   *
3540   * Callback function for preg_replace_callback() to accept and filter matches.
3541   *
3542   * @since 2.6.0
3543   * @deprecated 4.3.0
3544   * @access private
3545   *
3546   * @param array $matches
3547   * @return string
3548   */
3549  function preview_theme_ob_filter_callback( $matches ) {
3550      _deprecated_function( __FUNCTION__, '4.3.0' );
3551      return '';
3552  }
3553  
3554  /**
3555   * Formats text for the rich text editor.
3556   *
3557   * The {@see 'richedit_pre'} filter is applied here. If `$text` is empty the filter will
3558   * be applied to an empty string.
3559   *
3560   * @since 2.0.0
3561   * @deprecated 4.3.0 Use format_for_editor()
3562   * @see format_for_editor()
3563   *
3564   * @param string $text The text to be formatted.
3565   * @return string The formatted text after filter is applied.
3566   */
3567  function wp_richedit_pre($text) {
3568      _deprecated_function( __FUNCTION__, '4.3.0', 'format_for_editor()' );
3569  
3570      if ( empty( $text ) ) {
3571          /**
3572           * Filters text returned for the rich text editor.
3573           *
3574           * This filter is first evaluated, and the value returned, if an empty string
3575           * is passed to wp_richedit_pre(). If an empty string is passed, it results
3576           * in a break tag and line feed.
3577           *
3578           * If a non-empty string is passed, the filter is evaluated on the wp_richedit_pre()
3579           * return after being formatted.
3580           *
3581           * @since 2.0.0
3582           * @deprecated 4.3.0
3583           *
3584           * @param string $output Text for the rich text editor.
3585           */
3586          return apply_filters( 'richedit_pre', '' );
3587      }
3588  
3589      $output = convert_chars($text);
3590      $output = wpautop($output);
3591      $output = htmlspecialchars($output, ENT_NOQUOTES, get_option( 'blog_charset' ) );
3592  
3593      /** This filter is documented in wp-includes/deprecated.php */
3594      return apply_filters( 'richedit_pre', $output );
3595  }
3596  
3597  /**
3598   * Formats text for the HTML editor.
3599   *
3600   * Unless $output is empty it will pass through htmlspecialchars before the
3601   * {@see 'htmledit_pre'} filter is applied.
3602   *
3603   * @since 2.5.0
3604   * @deprecated 4.3.0 Use format_for_editor()
3605   * @see format_for_editor()
3606   *
3607   * @param string $output The text to be formatted.
3608   * @return string Formatted text after filter applied.
3609   */
3610  function wp_htmledit_pre($output) {
3611      _deprecated_function( __FUNCTION__, '4.3.0', 'format_for_editor()' );
3612  
3613      if ( !empty($output) )
3614          $output = htmlspecialchars($output, ENT_NOQUOTES, get_option( 'blog_charset' ) ); // Convert only '< > &'.
3615  
3616      /**
3617       * Filters the text before it is formatted for the HTML editor.
3618       *
3619       * @since 2.5.0
3620       * @deprecated 4.3.0
3621       *
3622       * @param string $output The HTML-formatted text.
3623       */
3624      return apply_filters( 'htmledit_pre', $output );
3625  }
3626  
3627  /**
3628   * Retrieve permalink from post ID.
3629   *
3630   * @since 1.0.0
3631   * @deprecated 4.4.0 Use get_permalink()
3632   * @see get_permalink()
3633   *
3634   * @param int|WP_Post $post_id Optional. Post ID or WP_Post object. Default is global $post.
3635   * @return string|false
3636   */
3637  function post_permalink( $post_id = 0 ) {
3638      _deprecated_function( __FUNCTION__, '4.4.0', 'get_permalink()' );
3639  
3640      return get_permalink( $post_id );
3641  }
3642  
3643  /**
3644   * Perform a HTTP HEAD or GET request.
3645   *
3646   * If $file_path is a writable filename, this will do a GET request and write
3647   * the file to that path.
3648   *
3649   * @since 2.5.0
3650   * @deprecated 4.4.0 Use WP_Http
3651   * @see WP_Http
3652   *
3653   * @param string      $url       URL to fetch.
3654   * @param string|bool $file_path Optional. File path to write request to. Default false.
3655   * @param int         $red       Optional. The number of Redirects followed, Upon 5 being hit,
3656   *                               returns false. Default 1.
3657   * @return bool|string False on failure and string of headers if HEAD request.
3658   */
3659  function wp_get_http( $url, $file_path = false, $red = 1 ) {
3660      _deprecated_function( __FUNCTION__, '4.4.0', 'WP_Http' );
3661  
3662      @set_time_limit( 60 );
3663  
3664      if ( $red > 5 )
3665          return false;
3666  
3667      $options = array();
3668      $options['redirection'] = 5;
3669  
3670      if ( false == $file_path )
3671          $options['method'] = 'HEAD';
3672      else
3673          $options['method'] = 'GET';
3674  
3675      $response = wp_safe_remote_request( $url, $options );
3676  
3677      if ( is_wp_error( $response ) )
3678          return false;
3679  
3680      $headers = wp_remote_retrieve_headers( $response );
3681      $headers['response'] = wp_remote_retrieve_response_code( $response );
3682  
3683      // WP_HTTP no longer follows redirects for HEAD requests.
3684      if ( 'HEAD' == $options['method'] && in_array($headers['response'], array(301, 302)) && isset( $headers['location'] ) ) {
3685          return wp_get_http( $headers['location'], $file_path, ++$red );
3686      }
3687  
3688      if ( false == $file_path )
3689          return $headers;
3690  
3691      // GET request - write it to the supplied filename.
3692      $out_fp = fopen($file_path, 'w');
3693      if ( !$out_fp )
3694          return $headers;
3695  
3696      fwrite( $out_fp,  wp_remote_retrieve_body( $response ) );
3697      fclose($out_fp);
3698      clearstatcache();
3699  
3700      return $headers;
3701  }
3702  
3703  /**
3704   * Whether SSL login should be forced.
3705   *
3706   * @since 2.6.0
3707   * @deprecated 4.4.0 Use force_ssl_admin()
3708   * @see force_ssl_admin()
3709   *
3710   * @param string|bool $force Optional Whether to force SSL login. Default null.
3711   * @return bool True if forced, false if not forced.
3712   */
3713  function force_ssl_login( $force = null ) {
3714      _deprecated_function( __FUNCTION__, '4.4.0', 'force_ssl_admin()' );
3715      return force_ssl_admin( $force );
3716  }
3717  
3718  /**
3719   * Retrieve path of comment popup template in current or parent template.
3720   *
3721   * @since 1.5.0
3722   * @deprecated 4.5.0
3723   *
3724   * @return string Full path to comments popup template file.
3725   */
3726  function get_comments_popup_template() {
3727      _deprecated_function( __FUNCTION__, '4.5.0' );
3728  
3729      return '';
3730  }
3731  
3732  /**
3733   * Determines whether the current URL is within the comments popup window.
3734   *
3735   * For more information on this and similar theme functions, check out
3736   * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
3737   * Conditional Tags} article in the Theme Developer Handbook.
3738   *
3739   * @since 1.5.0
3740   * @deprecated 4.5.0
3741   *
3742   * @return false Always returns false.
3743   */
3744  function is_comments_popup() {
3745      _deprecated_function( __FUNCTION__, '4.5.0' );
3746  
3747      return false;
3748  }
3749  
3750  /**
3751   * Display the JS popup script to show a comment.
3752   *
3753   * @since 0.71
3754   * @deprecated 4.5.0
3755   */
3756  function comments_popup_script() {
3757      _deprecated_function( __FUNCTION__, '4.5.0' );
3758  }
3759  
3760  /**
3761   * Adds element attributes to open links in new tabs.
3762   *
3763   * @since 0.71
3764   * @deprecated 4.5.0
3765   *
3766   * @param string $text Content to replace links to open in a new tab.
3767   * @return string Content that has filtered links.
3768   */
3769  function popuplinks( $text ) {
3770      _deprecated_function( __FUNCTION__, '4.5.0' );
3771      $text = preg_replace('/<a (.+?)>/i', "<a $1 target='_blank' rel='external'>", $text);
3772      return $text;
3773  }
3774  
3775  /**
3776   * The Google Video embed handler callback.
3777   *
3778   * Deprecated function that previously assisted in turning Google Video URLs
3779   * into embeds but that service has since been shut down.
3780   *
3781   * @since 2.9.0
3782   * @deprecated 4.6.0
3783   *
3784   * @return string An empty string.
3785   */
3786  function wp_embed_handler_googlevideo( $matches, $attr, $url, $rawattr ) {
3787      _deprecated_function( __FUNCTION__, '4.6.0' );
3788  
3789      return '';
3790  }
3791  
3792  /**
3793   * Retrieve path of paged template in current or parent template.
3794   *
3795   * @since 1.5.0
3796   * @deprecated 4.7.0 The paged.php template is no longer part of the theme template hierarchy.
3797   *
3798   * @return string Full path to paged template file.
3799   */
3800  function get_paged_template() {
3801      _deprecated_function( __FUNCTION__, '4.7.0' );
3802  
3803      return get_query_template( 'paged' );
3804  }
3805  
3806  /**
3807   * Removes the HTML JavaScript entities found in early versions of Netscape 4.
3808   *
3809   * Previously, this function was pulled in from the original
3810   * import of kses and removed a specific vulnerability only
3811   * existent in early version of Netscape 4. However, this
3812   * vulnerability never affected any other browsers and can
3813   * be considered safe for the modern web.
3814   *
3815   * The regular expression which sanitized this vulnerability
3816   * has been removed in consideration of the performance and
3817   * energy demands it placed, now merely passing through its
3818   * input to the return.
3819   *
3820   * @since 1.0.0
3821   * @deprecated 4.7.0 Officially dropped security support for Netscape 4.
3822   *
3823   * @param string $string
3824   * @return string
3825   */
3826  function wp_kses_js_entities( $string ) {
3827      _deprecated_function( __FUNCTION__, '4.7.0' );
3828  
3829      return preg_replace( '%&\s*\{[^}]*(\}\s*;?|$)%', '', $string );
3830  }
3831  
3832  /**
3833   * Sort categories by ID.
3834   *
3835   * Used by usort() as a callback, should not be used directly. Can actually be
3836   * used to sort any term object.
3837   *
3838   * @since 2.3.0
3839   * @deprecated 4.7.0 Use wp_list_sort()
3840   * @access private
3841   *
3842   * @param object $a
3843   * @param object $b
3844   * @return int
3845   */
3846  function _usort_terms_by_ID( $a, $b ) {
3847      _deprecated_function( __FUNCTION__, '4.7.0', 'wp_list_sort()' );
3848  
3849      if ( $a->term_id > $b->term_id )
3850          return 1;
3851      elseif ( $a->term_id < $b->term_id )
3852          return -1;
3853      else
3854          return 0;
3855  }
3856  
3857  /**
3858   * Sort categories by name.
3859   *
3860   * Used by usort() as a callback, should not be used directly. Can actually be
3861   * used to sort any term object.
3862   *
3863   * @since 2.3.0
3864   * @deprecated 4.7.0 Use wp_list_sort()
3865   * @access private
3866   *
3867   * @param object $a
3868   * @param object $b
3869   * @return int
3870   */
3871  function _usort_terms_by_name( $a, $b ) {
3872      _deprecated_function( __FUNCTION__, '4.7.0', 'wp_list_sort()' );
3873  
3874      return strcmp( $a->name, $b->name );
3875  }
3876  
3877  /**
3878   * Sort menu items by the desired key.
3879   *
3880   * @since 3.0.0
3881   * @deprecated 4.7.0 Use wp_list_sort()
3882   * @access private
3883   *
3884   * @global string $_menu_item_sort_prop
3885   *
3886   * @param object $a The first object to compare
3887   * @param object $b The second object to compare
3888   * @return int -1, 0, or 1 if $a is considered to be respectively less than, equal to, or greater than $b.
3889   */
3890  function _sort_nav_menu_items( $a, $b ) {
3891      global $_menu_item_sort_prop;
3892  
3893      _deprecated_function( __FUNCTION__, '4.7.0', 'wp_list_sort()' );
3894  
3895      if ( empty( $_menu_item_sort_prop ) )
3896          return 0;
3897  
3898      if ( ! isset( $a->$_menu_item_sort_prop ) || ! isset( $b->$_menu_item_sort_prop ) )
3899          return 0;
3900  
3901      $_a = (int) $a->$_menu_item_sort_prop;
3902      $_b = (int) $b->$_menu_item_sort_prop;
3903  
3904      if ( $a->$_menu_item_sort_prop == $b->$_menu_item_sort_prop )
3905          return 0;
3906      elseif ( $_a == $a->$_menu_item_sort_prop && $_b == $b->$_menu_item_sort_prop )
3907          return $_a < $_b ? -1 : 1;
3908      else
3909          return strcmp( $a->$_menu_item_sort_prop, $b->$_menu_item_sort_prop );
3910  }
3911  
3912  /**
3913   * Retrieves the Press This bookmarklet link.
3914   *
3915   * @since 2.6.0
3916   * @deprecated 4.9.0
3917   *
3918   */
3919  function get_shortcut_link() {
3920      _deprecated_function( __FUNCTION__, '4.9.0' );
3921  
3922      $link = '';
3923  
3924      /**
3925       * Filters the Press This bookmarklet link.
3926       *
3927       * @since 2.6.0
3928       * @deprecated 4.9.0
3929       *
3930       * @param string $link The Press This bookmarklet link.
3931       */
3932      return apply_filters( 'shortcut_link', $link );
3933  }
3934  
3935  /**
3936  * Ajax handler for saving a post from Press This.
3937  *
3938  * @since 4.2.0
3939  * @deprecated 4.9.0
3940  */
3941  function wp_ajax_press_this_save_post() {
3942      _deprecated_function( __FUNCTION__, '4.9.0' );
3943      if ( is_plugin_active( 'press-this/press-this-plugin.php' ) ) {
3944          include WP_PLUGIN_DIR . '/press-this/class-wp-press-this-plugin.php';
3945          $wp_press_this = new WP_Press_This_Plugin();
3946          $wp_press_this->save_post();
3947      } else {
3948          wp_send_json_error( array( 'errorMessage' => __( 'The Press This plugin is required.' ) ) );
3949      }
3950  }
3951  
3952  /**
3953  * Ajax handler for creating new category from Press This.
3954  *
3955  * @since 4.2.0
3956  * @deprecated 4.9.0
3957  */
3958  function wp_ajax_press_this_add_category() {
3959      _deprecated_function( __FUNCTION__, '4.9.0' );
3960      if ( is_plugin_active( 'press-this/press-this-plugin.php' ) ) {
3961          include WP_PLUGIN_DIR . '/press-this/class-wp-press-this-plugin.php';
3962          $wp_press_this = new WP_Press_This_Plugin();
3963          $wp_press_this->add_category();
3964      } else {
3965          wp_send_json_error( array( 'errorMessage' => __( 'The Press This plugin is required.' ) ) );
3966      }
3967  }
3968  
3969  /**
3970   * Return the user request object for the specified request ID.
3971   *
3972   * @since 4.9.6
3973   * @deprecated 5.4.0 Use wp_get_user_request()
3974   * @see wp_get_user_request()
3975   *
3976   * @param int $request_id The ID of the user request.
3977   * @return WP_User_Request|false
3978   */
3979  function wp_get_user_request_data( $request_id ) {
3980      _deprecated_function( __FUNCTION__, '5.4.0', 'wp_get_user_request()' );
3981      return wp_get_user_request( $request_id );
3982  }
3983  
3984  /**
3985   * Filters 'img' elements in post content to add 'srcset' and 'sizes' attributes.
3986   *
3987   * @since 4.4.0
3988   * @deprecated 5.5.0
3989   *
3990   * @see wp_image_add_srcset_and_sizes()
3991   *
3992   * @param string $content The raw post content to be filtered.
3993   * @return string Converted content with 'srcset' and 'sizes' attributes added to images.
3994   */
3995  function wp_make_content_images_responsive( $content ) {
3996      _deprecated_function( __FUNCTION__, '5.5.0', 'wp_filter_content_tags()' );
3997  
3998      // This will also add the `loading` attribute to `img` tags, if enabled.
3999      return wp_filter_content_tags( $content );
4000  }
4001  
4002  /**
4003   * Turn register globals off.
4004   *
4005   * @since 2.1.0
4006   * @access private
4007   * @deprecated 5.5.0
4008   */
4009  function wp_unregister_GLOBALS() {  // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid
4010      // register_globals was deprecated in PHP 5.3 and removed entirely in PHP 5.4.
4011      _deprecated_function( __FUNCTION__, '5.5.0' );
4012  }
4013  
4014  /**
4015   * Does comment contain disallowed characters or words.
4016   *
4017   * @since 1.5.0
4018   * @deprecated 5.5.0 Use wp_check_comment_disallowed_list() instead.
4019   *                   Please consider writing more inclusive code.
4020   *
4021   * @param string $author The author of the comment
4022   * @param string $email The email of the comment
4023   * @param string $url The url used in the comment
4024   * @param string $comment The comment content
4025   * @param string $user_ip The comment author's IP address
4026   * @param string $user_agent The author's browser user agent
4027   * @return bool True if comment contains disallowed content, false if comment does not
4028   */
4029  function wp_blacklist_check( $author, $email, $url, $comment, $user_ip, $user_agent ) {
4030      _deprecated_function( __FUNCTION__, '5.5.0', 'wp_check_comment_disallowed_list()' );
4031  
4032      return wp_check_comment_disallowed_list( $author, $email, $url, $comment, $user_ip, $user_agent );
4033  }
4034  
4035  /**
4036   * Filters out `register_meta()` args based on an allowed list.
4037   *
4038   * `register_meta()` args may change over time, so requiring the allowed list
4039   * to be explicitly turned off is a warranty seal of sorts.
4040   *
4041   * @access private
4042   * @since 4.6.0
4043   * @deprecated 5.5.0 Use _wp_register_meta_args_allowed_list() instead.
4044   *                   Please consider writing more inclusive code.
4045   *
4046   * @param array $args         Arguments from `register_meta()`.
4047   * @param array $default_args Default arguments for `register_meta()`.
4048   * @return array Filtered arguments.
4049   */
4050  function _wp_register_meta_args_whitelist( $args, $default_args ) {
4051      _deprecated_function( __FUNCTION__, '5.5.0', '_wp_register_meta_args_allowed_list()' );
4052  
4053      return _wp_register_meta_args_allowed_list( $args, $default_args );
4054  }
4055  
4056  /**
4057   * Adds an array of options to the list of allowed options.
4058   *
4059   * @since 2.7.0
4060   * @deprecated 5.5.0 Use add_allowed_options() instead.
4061   *                   Please consider writing more inclusive code.
4062   *
4063   * @global array $allowed_options
4064   *
4065   * @param array        $new_options
4066   * @param string|array $options
4067   * @return array
4068   */
4069  function add_option_whitelist( $new_options, $options = '' ) {
4070      _deprecated_function( __FUNCTION__, '5.5.0', 'add_allowed_options()' );
4071  
4072      return add_allowed_options( $new_options, $options );
4073  }
4074  
4075  /**
4076   * Removes a list of options from the allowed options list.
4077   *
4078   * @since 2.7.0
4079   * @deprecated 5.5.0 Use remove_allowed_options() instead.
4080   *                   Please consider writing more inclusive code.
4081   *
4082   * @global array $allowed_options
4083   *
4084   * @param array        $del_options
4085   * @param string|array $options
4086   * @return array
4087   */
4088  function remove_option_whitelist( $del_options, $options = '' ) {
4089      _deprecated_function( __FUNCTION__, '5.5.0', 'remove_allowed_options()' );
4090  
4091      return remove_allowed_options( $del_options, $options );
4092  }
4093  
4094  /**
4095   * Adds slashes to only string values in an array of values.
4096   *
4097   * This should be used when preparing data for core APIs that expect slashed data.
4098   * This should not be used to escape data going directly into an SQL query.
4099   *
4100   * @since 5.3.0
4101   * @deprecated 5.6.0 Use wp_slash()
4102   *
4103   * @see wp_slash()
4104   *
4105   * @param mixed $value Scalar or array of scalars.
4106   * @return mixed Slashes $value
4107   */
4108  function wp_slash_strings_only( $value ) {
4109      return map_deep( $value, 'addslashes_strings_only' );
4110  }
4111  
4112  /**
4113   * Adds slashes only if the provided value is a string.
4114   *
4115   * @since 5.3.0
4116   * @deprecated 5.6.0
4117   *
4118   * @see wp_slash()
4119   *
4120   * @param mixed $value
4121   * @return mixed
4122   */
4123  function addslashes_strings_only( $value ) {
4124      return is_string( $value ) ? addslashes( $value ) : $value;
4125  }
4126  
4127  /**
4128   * Displays a noindex meta tag if required by the blog configuration.
4129   *
4130   * If a blog is marked as not being public then the noindex meta tag will be
4131   * output to tell web robots not to index the page content. Add this to the
4132   * {@see 'wp_head'} action.
4133   *
4134   * Typical usage is as a {@see 'wp_head'} callback:
4135   *
4136   *     add_action( 'wp_head', 'noindex' );
4137   *
4138   * @see wp_no_robots()
4139   *
4140   * @since 2.1.0
4141   * @deprecated 5.7.0 Use wp_robots_noindex() instead on 'wp_robots' filter.
4142   */
4143  function noindex() {
4144      _deprecated_function( __FUNCTION__, '5.7.0', 'wp_robots_noindex()' );
4145  
4146      // If the blog is not public, tell robots to go away.
4147      if ( '0' == get_option( 'blog_public' ) ) {
4148          wp_no_robots();
4149      }
4150  }
4151  
4152  /**
4153   * Display a noindex meta tag.
4154   *
4155   * Outputs a noindex meta tag that tells web robots not to index the page content.
4156   * Typical usage is as a {@see 'wp_head'} callback. add_action( 'wp_head', 'wp_no_robots' );
4157   *
4158   * @since 3.3.0
4159   * @since 5.3.0 Echo "noindex,nofollow" if search engine visibility is discouraged.
4160   * @deprecated 5.7.0 Use wp_robots_no_robots() instead on 'wp_robots' filter.
4161   */
4162  function wp_no_robots() {
4163      _deprecated_function( __FUNCTION__, '5.7.0', 'wp_robots_no_robots()' );
4164  
4165      if ( get_option( 'blog_public' ) ) {
4166          echo "<meta name='robots' content='noindex,follow' />\n";
4167          return;
4168      }
4169  
4170      echo "<meta name='robots' content='noindex,nofollow' />\n";
4171  }
4172  
4173  /**
4174   * Display a noindex,noarchive meta tag and referrer origin-when-cross-origin meta tag.
4175   *
4176   * Outputs a noindex,noarchive meta tag that tells web robots not to index or cache the page content.
4177   * Outputs a referrer origin-when-cross-origin meta tag that tells the browser not to send the full
4178   * url as a referrer to other sites when cross-origin assets are loaded.
4179   *
4180   * Typical usage is as a wp_head callback. add_action( 'wp_head', 'wp_sensitive_page_meta' );
4181   *
4182   * @since 5.0.1
4183   * @deprecated 5.7.0 Use wp_robots_sensitive_page() instead on 'wp_robots' filter
4184   *                   and wp_strict_cross_origin_referrer() on 'wp_head' action.
4185   */
4186  function wp_sensitive_page_meta() {
4187      _deprecated_function( __FUNCTION__, '5.7.0', 'wp_robots_sensitive_page()' );
4188  
4189      ?>
4190      <meta name='robots' content='noindex,noarchive' />
4191      <?php
4192      wp_strict_cross_origin_referrer();
4193  }
4194  
4195  /**
4196   * Render inner blocks from the `core/columns` block for generating an excerpt.
4197   *
4198   * @since 5.2.0
4199   * @deprecated 5.8.0
4200   *
4201   * @access private
4202   *
4203   * @param array $columns        The parsed columns block.
4204   * @param array $allowed_blocks The list of allowed inner blocks.
4205   * @return string The rendered inner blocks.
4206   */
4207  function _excerpt_render_inner_columns_blocks( $columns, $allowed_blocks ) {
4208      _deprecated_function( __FUNCTION__, '5.8.0', '_excerpt_render_inner_blocks()' );
4209      return _excerpt_render_inner_blocks( $columns, $allowed_blocks );
4210  }


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