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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          $imagesize = @getimagesize($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   * Performs esc_url() for database or redirect usage.
2028   *
2029   * @since 2.3.1
2030   * @deprecated 2.8.0 Use esc_url_raw()
2031   * @see esc_url_raw()
2032   *
2033   * @param string $url The URL to be cleaned.
2034   * @param array $protocols An array of acceptable protocols.
2035   * @return string The cleaned URL.
2036   */
2037  function sanitize_url( $url, $protocols = null ) {
2038      _deprecated_function( __FUNCTION__, '2.8.0', 'esc_url_raw()' );
2039      return esc_url_raw( $url, $protocols );
2040  }
2041  
2042  /**
2043   * Checks and cleans a URL.
2044   *
2045   * A number of characters are removed from the URL. If the URL is for displaying
2046   * (the default behaviour) ampersands are also replaced. The 'clean_url' filter
2047   * is applied to the returned cleaned URL.
2048   *
2049   * @since 1.2.0
2050   * @deprecated 3.0.0 Use esc_url()
2051   * @see esc_url()
2052   *
2053   * @param string $url The URL to be cleaned.
2054   * @param array $protocols Optional. An array of acceptable protocols.
2055   * @param string $context Optional. How the URL will be used. Default is 'display'.
2056   * @return string The cleaned $url after the {@see 'clean_url'} filter is applied.
2057   */
2058  function clean_url( $url, $protocols = null, $context = 'display' ) {
2059      if ( $context == 'db' )
2060          _deprecated_function( 'clean_url( $context = \'db\' )', '3.0.0', 'esc_url_raw()' );
2061      else
2062          _deprecated_function( __FUNCTION__, '3.0.0', 'esc_url()' );
2063      return esc_url( $url, $protocols, $context );
2064  }
2065  
2066  /**
2067   * Escape single quotes, specialchar double quotes, and fix line endings.
2068   *
2069   * The filter {@see 'js_escape'} is also applied by esc_js().
2070   *
2071   * @since 2.0.4
2072   * @deprecated 2.8.0 Use esc_js()
2073   * @see esc_js()
2074   *
2075   * @param string $text The text to be escaped.
2076   * @return string Escaped text.
2077   */
2078  function js_escape( $text ) {
2079      _deprecated_function( __FUNCTION__, '2.8.0', 'esc_js()' );
2080      return esc_js( $text );
2081  }
2082  
2083  /**
2084   * Legacy escaping for HTML blocks.
2085   *
2086   * @deprecated 2.8.0 Use esc_html()
2087   * @see esc_html()
2088   *
2089   * @param string       $string        String to escape.
2090   * @param string       $quote_style   Unused.
2091   * @param false|string $charset       Unused.
2092   * @param false        $double_encode Whether to double encode. Unused.
2093   * @return string Escaped `$string`.
2094   */
2095  function wp_specialchars( $string, $quote_style = ENT_NOQUOTES, $charset = false, $double_encode = false ) {
2096      _deprecated_function( __FUNCTION__, '2.8.0', 'esc_html()' );
2097      if ( func_num_args() > 1 ) { // Maintain back-compat for people passing additional arguments.
2098          return _wp_specialchars( $string, $quote_style, $charset, $double_encode );
2099      } else {
2100          return esc_html( $string );
2101      }
2102  }
2103  
2104  /**
2105   * Escaping for HTML attributes.
2106   *
2107   * @since 2.0.6
2108   * @deprecated 2.8.0 Use esc_attr()
2109   * @see esc_attr()
2110   *
2111   * @param string $text
2112   * @return string
2113   */
2114  function attribute_escape( $text ) {
2115      _deprecated_function( __FUNCTION__, '2.8.0', 'esc_attr()' );
2116      return esc_attr( $text );
2117  }
2118  
2119  /**
2120   * Register widget for sidebar with backward compatibility.
2121   *
2122   * Allows $name to be an array that accepts either three elements to grab the
2123   * first element and the third for the name or just uses the first element of
2124   * the array for the name.
2125   *
2126   * Passes to wp_register_sidebar_widget() after argument list and backward
2127   * compatibility is complete.
2128   *
2129   * @since 2.2.0
2130   * @deprecated 2.8.0 Use wp_register_sidebar_widget()
2131   * @see wp_register_sidebar_widget()
2132   *
2133   * @param string|int $name            Widget ID.
2134   * @param callable   $output_callback Run when widget is called.
2135   * @param string     $classname       Optional. Classname widget option. Default empty.
2136   * @param mixed      ...$params       Widget parameters.
2137   */
2138  function register_sidebar_widget($name, $output_callback, $classname = '', ...$params) {
2139      _deprecated_function( __FUNCTION__, '2.8.0', 'wp_register_sidebar_widget()' );
2140      // Compat.
2141      if ( is_array( $name ) ) {
2142          if ( count( $name ) === 3 ) {
2143              $name = sprintf( $name[0], $name[2] );
2144          } else {
2145              $name = $name[0];
2146          }
2147      }
2148  
2149      $id      = sanitize_title( $name );
2150      $options = array();
2151      if ( ! empty( $classname ) && is_string( $classname ) ) {
2152          $options['classname'] = $classname;
2153      }
2154  
2155      wp_register_sidebar_widget( $id, $name, $output_callback, $options, ...$params );
2156  }
2157  
2158  /**
2159   * Serves as an alias of wp_unregister_sidebar_widget().
2160   *
2161   * @since 2.2.0
2162   * @deprecated 2.8.0 Use wp_unregister_sidebar_widget()
2163   * @see wp_unregister_sidebar_widget()
2164   *
2165   * @param int|string $id Widget ID.
2166   */
2167  function unregister_sidebar_widget($id) {
2168      _deprecated_function( __FUNCTION__, '2.8.0', 'wp_unregister_sidebar_widget()' );
2169      return wp_unregister_sidebar_widget($id);
2170  }
2171  
2172  /**
2173   * Registers widget control callback for customizing options.
2174   *
2175   * Allows $name to be an array that accepts either three elements to grab the
2176   * first element and the third for the name or just uses the first element of
2177   * the array for the name.
2178   *
2179   * Passes to wp_register_widget_control() after the argument list has
2180   * been compiled.
2181   *
2182   * @since 2.2.0
2183   * @deprecated 2.8.0 Use wp_register_widget_control()
2184   * @see wp_register_widget_control()
2185   *
2186   * @param int|string $name             Sidebar ID.
2187   * @param callable   $control_callback Widget control callback to display and process form.
2188   * @param int        $width            Widget width.
2189   * @param int        $height           Widget height.
2190   * @param mixed      ...$params        Widget parameters.
2191   */
2192  function register_widget_control($name, $control_callback, $width = '', $height = '', ...$params) {
2193      _deprecated_function( __FUNCTION__, '2.8.0', 'wp_register_widget_control()' );
2194      // Compat.
2195      if ( is_array( $name ) ) {
2196          if ( count( $name ) === 3 ) {
2197              $name = sprintf( $name[0], $name[2] );
2198          } else {
2199              $name = $name[0];
2200          }
2201      }
2202  
2203      $id      = sanitize_title( $name );
2204      $options = array();
2205      if ( ! empty( $width ) ) {
2206          $options['width'] = $width;
2207      }
2208      if ( ! empty( $height ) ) {
2209          $options['height'] = $height;
2210      }
2211  
2212      wp_register_widget_control( $id, $name, $control_callback, $options, ...$params );
2213  }
2214  
2215  /**
2216   * Alias of wp_unregister_widget_control().
2217   *
2218   * @since 2.2.0
2219   * @deprecated 2.8.0 Use wp_unregister_widget_control()
2220   * @see wp_unregister_widget_control()
2221   *
2222   * @param int|string $id Widget ID.
2223   */
2224  function unregister_widget_control($id) {
2225      _deprecated_function( __FUNCTION__, '2.8.0', 'wp_unregister_widget_control()' );
2226      return wp_unregister_widget_control($id);
2227  }
2228  
2229  /**
2230   * Remove user meta data.
2231   *
2232   * @since 2.0.0
2233   * @deprecated 3.0.0 Use delete_user_meta()
2234   * @see delete_user_meta()
2235   *
2236   * @param int $user_id User ID.
2237   * @param string $meta_key Metadata key.
2238   * @param mixed $meta_value Optional. Metadata value. Default empty.
2239   * @return bool True deletion completed and false if user_id is not a number.
2240   */
2241  function delete_usermeta( $user_id, $meta_key, $meta_value = '' ) {
2242      _deprecated_function( __FUNCTION__, '3.0.0', 'delete_user_meta()' );
2243      global $wpdb;
2244      if ( !is_numeric( $user_id ) )
2245          return false;
2246      $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
2247  
2248      if ( is_array($meta_value) || is_object($meta_value) )
2249          $meta_value = serialize($meta_value);
2250      $meta_value = trim( $meta_value );
2251  
2252      $cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
2253  
2254      if ( $cur && $cur->umeta_id )
2255          do_action( 'delete_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
2256  
2257      if ( ! empty($meta_value) )
2258          $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) );
2259      else
2260          $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
2261  
2262      clean_user_cache( $user_id );
2263      wp_cache_delete( $user_id, 'user_meta' );
2264  
2265      if ( $cur && $cur->umeta_id )
2266          do_action( 'deleted_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
2267  
2268      return true;
2269  }
2270  
2271  /**
2272   * Retrieve user metadata.
2273   *
2274   * If $user_id is not a number, then the function will fail over with a 'false'
2275   * boolean return value. Other returned values depend on whether there is only
2276   * one item to be returned, which be that single item type. If there is more
2277   * than one metadata value, then it will be list of metadata values.
2278   *
2279   * @since 2.0.0
2280   * @deprecated 3.0.0 Use get_user_meta()
2281   * @see get_user_meta()
2282   *
2283   * @param int $user_id User ID
2284   * @param string $meta_key Optional. Metadata key. Default empty.
2285   * @return mixed
2286   */
2287  function get_usermeta( $user_id, $meta_key = '' ) {
2288      _deprecated_function( __FUNCTION__, '3.0.0', 'get_user_meta()' );
2289      global $wpdb;
2290      $user_id = (int) $user_id;
2291  
2292      if ( !$user_id )
2293          return false;
2294  
2295      if ( !empty($meta_key) ) {
2296          $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
2297          $user = wp_cache_get($user_id, 'users');
2298          // Check the cached user object.
2299          if ( false !== $user && isset($user->$meta_key) )
2300              $metas = array($user->$meta_key);
2301          else
2302              $metas = $wpdb->get_col( $wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
2303      } else {
2304          $metas = $wpdb->get_col( $wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d", $user_id) );
2305      }
2306  
2307      if ( empty($metas) ) {
2308          if ( empty($meta_key) )
2309              return array();
2310          else
2311              return '';
2312      }
2313  
2314      $metas = array_map('maybe_unserialize', $metas);
2315  
2316      if ( count($metas) == 1 )
2317          return $metas[0];
2318      else
2319          return $metas;
2320  }
2321  
2322  /**
2323   * Update metadata of user.
2324   *
2325   * There is no need to serialize values, they will be serialized if it is
2326   * needed. The metadata key can only be a string with underscores. All else will
2327   * be removed.
2328   *
2329   * Will remove the metadata, if the meta value is empty.
2330   *
2331   * @since 2.0.0
2332   * @deprecated 3.0.0 Use update_user_meta()
2333   * @see update_user_meta()
2334   *
2335   * @param int $user_id User ID
2336   * @param string $meta_key Metadata key.
2337   * @param mixed $meta_value Metadata value.
2338   * @return bool True on successful update, false on failure.
2339   */
2340  function update_usermeta( $user_id, $meta_key, $meta_value ) {
2341      _deprecated_function( __FUNCTION__, '3.0.0', 'update_user_meta()' );
2342      global $wpdb;
2343      if ( !is_numeric( $user_id ) )
2344          return false;
2345      $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
2346  
2347      /** @todo Might need fix because usermeta data is assumed to be already escaped */
2348      if ( is_string($meta_value) )
2349          $meta_value = stripslashes($meta_value);
2350      $meta_value = maybe_serialize($meta_value);
2351  
2352      if (empty($meta_value)) {
2353          return delete_usermeta($user_id, $meta_key);
2354      }
2355  
2356      $cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
2357  
2358      if ( $cur )
2359          do_action( 'update_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
2360  
2361      if ( !$cur )
2362          $wpdb->insert($wpdb->usermeta, compact('user_id', 'meta_key', 'meta_value') );
2363      elseif ( $cur->meta_value != $meta_value )
2364          $wpdb->update($wpdb->usermeta, compact('meta_value'), compact('user_id', 'meta_key') );
2365      else
2366          return false;
2367  
2368      clean_user_cache( $user_id );
2369      wp_cache_delete( $user_id, 'user_meta' );
2370  
2371      if ( !$cur )
2372          do_action( 'added_usermeta', $wpdb->insert_id, $user_id, $meta_key, $meta_value );
2373      else
2374          do_action( 'updated_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
2375  
2376      return true;
2377  }
2378  
2379  /**
2380   * Get users for the site.
2381   *
2382   * For setups that use the multisite feature. Can be used outside of the
2383   * multisite feature.
2384   *
2385   * @since 2.2.0
2386   * @deprecated 3.1.0 Use get_users()
2387   * @see get_users()
2388   *
2389   * @global wpdb $wpdb WordPress database abstraction object.
2390   *
2391   * @param int $id Site ID.
2392   * @return array List of users that are part of that site ID
2393   */
2394  function get_users_of_blog( $id = '' ) {
2395      _deprecated_function( __FUNCTION__, '3.1.0', 'get_users()' );
2396  
2397      global $wpdb;
2398      if ( empty( $id ) ) {
2399          $id = get_current_blog_id();
2400      }
2401      $blog_prefix = $wpdb->get_blog_prefix($id);
2402      $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" );
2403      return $users;
2404  }
2405  
2406  /**
2407   * Enable/disable automatic general feed link outputting.
2408   *
2409   * @since 2.8.0
2410   * @deprecated 3.0.0 Use add_theme_support()
2411   * @see add_theme_support()
2412   *
2413   * @param bool $add Optional. Add or remove links. Default true.
2414   */
2415  function automatic_feed_links( $add = true ) {
2416      _deprecated_function( __FUNCTION__, '3.0.0', "add_theme_support( 'automatic-feed-links' )" );
2417  
2418      if ( $add )
2419          add_theme_support( 'automatic-feed-links' );
2420      else
2421          remove_action( 'wp_head', 'feed_links_extra', 3 ); // Just do this yourself in 3.0+.
2422  }
2423  
2424  /**
2425   * Retrieve user data based on field.
2426   *
2427   * @since 1.5.0
2428   * @deprecated 3.0.0 Use get_the_author_meta()
2429   * @see get_the_author_meta()
2430   *
2431   * @param string    $field User meta field.
2432   * @param false|int $user  Optional. User ID to retrieve the field for. Default false (current user).
2433   * @return string The author's field from the current author's DB object.
2434   */
2435  function get_profile( $field, $user = false ) {
2436      _deprecated_function( __FUNCTION__, '3.0.0', 'get_the_author_meta()' );
2437      if ( $user ) {
2438          $user = get_user_by( 'login', $user );
2439          $user = $user->ID;
2440      }
2441      return get_the_author_meta( $field, $user );
2442  }
2443  
2444  /**
2445   * Retrieves the number of posts a user has written.
2446   *
2447   * @since 0.71
2448   * @deprecated 3.0.0 Use count_user_posts()
2449   * @see count_user_posts()
2450   *
2451   * @param int $userid User to count posts for.
2452   * @return int Number of posts the given user has written.
2453   */
2454  function get_usernumposts( $userid ) {
2455      _deprecated_function( __FUNCTION__, '3.0.0', 'count_user_posts()' );
2456      return count_user_posts( $userid );
2457  }
2458  
2459  /**
2460   * Callback used to change %uXXXX to &#YYY; syntax
2461   *
2462   * @since 2.8.0
2463   * @access private
2464   * @deprecated 3.0.0
2465   *
2466   * @param array $matches Single Match
2467   * @return string An HTML entity
2468   */
2469  function funky_javascript_callback($matches) {
2470      return "&#".base_convert($matches[1],16,10).";";
2471  }
2472  
2473  /**
2474   * Fixes JavaScript bugs in browsers.
2475   *
2476   * Converts unicode characters to HTML numbered entities.
2477   *
2478   * @since 1.5.0
2479   * @deprecated 3.0.0
2480   *
2481   * @global $is_macIE
2482   * @global $is_winIE
2483   *
2484   * @param string $text Text to be made safe.
2485   * @return string Fixed text.
2486   */
2487  function funky_javascript_fix($text) {
2488      _deprecated_function( __FUNCTION__, '3.0.0' );
2489      // Fixes for browsers' JavaScript bugs.
2490      global $is_macIE, $is_winIE;
2491  
2492      if ( $is_winIE || $is_macIE )
2493          $text =  preg_replace_callback("/\%u([0-9A-F]{4,4})/",
2494                      "funky_javascript_callback",
2495                      $text);
2496  
2497      return $text;
2498  }
2499  
2500  /**
2501   * Checks that the taxonomy name exists.
2502   *
2503   * @since 2.3.0
2504   * @deprecated 3.0.0 Use taxonomy_exists()
2505   * @see taxonomy_exists()
2506   *
2507   * @param string $taxonomy Name of taxonomy object
2508   * @return bool Whether the taxonomy exists.
2509   */
2510  function is_taxonomy( $taxonomy ) {
2511      _deprecated_function( __FUNCTION__, '3.0.0', 'taxonomy_exists()' );
2512      return taxonomy_exists( $taxonomy );
2513  }
2514  
2515  /**
2516   * Check if Term exists.
2517   *
2518   * @since 2.3.0
2519   * @deprecated 3.0.0 Use term_exists()
2520   * @see term_exists()
2521   *
2522   * @param int|string $term The term to check
2523   * @param string $taxonomy The taxonomy name to use
2524   * @param int $parent ID of parent term under which to confine the exists search.
2525   * @return mixed Get the term ID or term object, if exists.
2526   */
2527  function is_term( $term, $taxonomy = '', $parent = 0 ) {
2528      _deprecated_function( __FUNCTION__, '3.0.0', 'term_exists()' );
2529      return term_exists( $term, $taxonomy, $parent );
2530  }
2531  
2532  /**
2533   * Determines whether the current admin page is generated by a plugin.
2534   *
2535   * Use global $plugin_page and/or get_plugin_page_hookname() hooks.
2536   *
2537   * For more information on this and similar theme functions, check out
2538   * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
2539   * Conditional Tags} article in the Theme Developer Handbook.
2540   *
2541   * @since 1.5.0
2542   * @deprecated 3.1.0
2543   *
2544   * @global $plugin_page
2545   *
2546   * @return bool
2547   */
2548  function is_plugin_page() {
2549      _deprecated_function( __FUNCTION__, '3.1.0'  );
2550  
2551      global $plugin_page;
2552  
2553      if ( isset($plugin_page) )
2554          return true;
2555  
2556      return false;
2557  }
2558  
2559  /**
2560   * Update the categories cache.
2561   *
2562   * This function does not appear to be used anymore or does not appear to be
2563   * needed. It might be a legacy function left over from when there was a need
2564   * for updating the category cache.
2565   *
2566   * @since 1.5.0
2567   * @deprecated 3.1.0
2568   *
2569   * @return bool Always return True
2570   */
2571  function update_category_cache() {
2572      _deprecated_function( __FUNCTION__, '3.1.0'  );
2573  
2574      return true;
2575  }
2576  
2577  /**
2578   * Check for PHP timezone support
2579   *
2580   * @since 2.9.0
2581   * @deprecated 3.2.0
2582   *
2583   * @return bool
2584   */
2585  function wp_timezone_supported() {
2586      _deprecated_function( __FUNCTION__, '3.2.0' );
2587  
2588      return true;
2589  }
2590  
2591  /**
2592   * Displays an editor: TinyMCE, HTML, or both.
2593   *
2594   * @since 2.1.0
2595   * @deprecated 3.3.0 Use wp_editor()
2596   * @see wp_editor()
2597   *
2598   * @param string $content       Textarea content.
2599   * @param string $id            Optional. HTML ID attribute value. Default 'content'.
2600   * @param string $prev_id       Optional. Unused.
2601   * @param bool   $media_buttons Optional. Whether to display media buttons. Default true.
2602   * @param int    $tab_index     Optional. Unused.
2603   * @param bool   $extended      Optional. Unused.
2604   */
2605  function the_editor($content, $id = 'content', $prev_id = 'title', $media_buttons = true, $tab_index = 2, $extended = true) {
2606      _deprecated_function( __FUNCTION__, '3.3.0', 'wp_editor()' );
2607  
2608      wp_editor( $content, $id, array( 'media_buttons' => $media_buttons ) );
2609  }
2610  
2611  /**
2612   * Perform the query to get the $metavalues array(s) needed by _fill_user and _fill_many_users
2613   *
2614   * @since 3.0.0
2615   * @deprecated 3.3.0
2616   *
2617   * @param array $ids User ID numbers list.
2618   * @return array of arrays. The array is indexed by user_id, containing $metavalues object arrays.
2619   */
2620  function get_user_metavalues($ids) {
2621      _deprecated_function( __FUNCTION__, '3.3.0' );
2622  
2623      $objects = array();
2624  
2625      $ids = array_map('intval', $ids);
2626      foreach ( $ids as $id )
2627          $objects[$id] = array();
2628  
2629      $metas = update_meta_cache('user', $ids);
2630  
2631      foreach ( $metas as $id => $meta ) {
2632          foreach ( $meta as $key => $metavalues ) {
2633              foreach ( $metavalues as $value ) {
2634                  $objects[$id][] = (object)array( 'user_id' => $id, 'meta_key' => $key, 'meta_value' => $value);
2635              }
2636          }
2637      }
2638  
2639      return $objects;
2640  }
2641  
2642  /**
2643   * Sanitize every user field.
2644   *
2645   * If the context is 'raw', then the user object or array will get minimal santization of the int fields.
2646   *
2647   * @since 2.3.0
2648   * @deprecated 3.3.0
2649   *
2650   * @param object|array $user    The user object or array.
2651   * @param string       $context Optional. How to sanitize user fields. Default 'display'.
2652   * @return object|array The now sanitized user object or array (will be the same type as $user).
2653   */
2654  function sanitize_user_object($user, $context = 'display') {
2655      _deprecated_function( __FUNCTION__, '3.3.0' );
2656  
2657      if ( is_object($user) ) {
2658          if ( !isset($user->ID) )
2659              $user->ID = 0;
2660          if ( ! ( $user instanceof WP_User ) ) {
2661              $vars = get_object_vars($user);
2662              foreach ( array_keys($vars) as $field ) {
2663                  if ( is_string($user->$field) || is_numeric($user->$field) )
2664                      $user->$field = sanitize_user_field($field, $user->$field, $user->ID, $context);
2665              }
2666          }
2667          $user->filter = $context;
2668      } else {
2669          if ( !isset($user['ID']) )
2670              $user['ID'] = 0;
2671          foreach ( array_keys($user) as $field )
2672              $user[$field] = sanitize_user_field($field, $user[$field], $user['ID'], $context);
2673          $user['filter'] = $context;
2674      }
2675  
2676      return $user;
2677  }
2678  
2679  /**
2680   * Get boundary post relational link.
2681   *
2682   * Can either be start or end post relational link.
2683   *
2684   * @since 2.8.0
2685   * @deprecated 3.3.0
2686   *
2687   * @param string $title               Optional. Link title format. Default '%title'.
2688   * @param bool   $in_same_cat         Optional. Whether link should be in a same category.
2689   *                                    Default false.
2690   * @param string $excluded_categories Optional. Excluded categories IDs. Default empty.
2691   * @param bool   $start               Optional. Whether to display link to first or last post.
2692   *                                    Default true.
2693   * @return string
2694   */
2695  function get_boundary_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '', $start = true) {
2696      _deprecated_function( __FUNCTION__, '3.3.0' );
2697  
2698      $posts = get_boundary_post($in_same_cat, $excluded_categories, $start);
2699      // If there is no post, stop.
2700      if ( empty($posts) )
2701          return;
2702  
2703      // Even though we limited get_posts() to return only 1 item it still returns an array of objects.
2704      $post = $posts[0];
2705  
2706      if ( empty($post->post_title) )
2707          $post->post_title = $start ? __('First Post') : __('Last Post');
2708  
2709      $date = mysql2date(get_option('date_format'), $post->post_date);
2710  
2711      $title = str_replace('%title', $post->post_title, $title);
2712      $title = str_replace('%date', $date, $title);
2713      $title = apply_filters('the_title', $title, $post->ID);
2714  
2715      $link = $start ? "<link rel='start' title='" : "<link rel='end' title='";
2716      $link .= esc_attr($title);
2717      $link .= "' href='" . get_permalink($post) . "' />\n";
2718  
2719      $boundary = $start ? 'start' : 'end';
2720      return apply_filters( "{$boundary}_post_rel_link", $link );
2721  }
2722  
2723  /**
2724   * Display relational link for the first post.
2725   *
2726   * @since 2.8.0
2727   * @deprecated 3.3.0
2728   *
2729   * @param string $title Optional. Link title format.
2730   * @param bool $in_same_cat Optional. Whether link should be in a same category.
2731   * @param string $excluded_categories Optional. Excluded categories IDs.
2732   */
2733  function start_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') {
2734      _deprecated_function( __FUNCTION__, '3.3.0' );
2735  
2736      echo get_boundary_post_rel_link($title, $in_same_cat, $excluded_categories, true);
2737  }
2738  
2739  /**
2740   * Get site index relational link.
2741   *
2742   * @since 2.8.0
2743   * @deprecated 3.3.0
2744   *
2745   * @return string
2746   */
2747  function get_index_rel_link() {
2748      _deprecated_function( __FUNCTION__, '3.3.0' );
2749  
2750      $link = "<link rel='index' title='" . esc_attr( get_bloginfo( 'name', 'display' ) ) . "' href='" . esc_url( user_trailingslashit( get_bloginfo( 'url', 'display' ) ) ) . "' />\n";
2751      return apply_filters( "index_rel_link", $link );
2752  }
2753  
2754  /**
2755   * Display relational link for the site index.
2756   *
2757   * @since 2.8.0
2758   * @deprecated 3.3.0
2759   */
2760  function index_rel_link() {
2761      _deprecated_function( __FUNCTION__, '3.3.0' );
2762  
2763      echo get_index_rel_link();
2764  }
2765  
2766  /**
2767   * Get parent post relational link.
2768   *
2769   * @since 2.8.0
2770   * @deprecated 3.3.0
2771   *
2772   * @param string $title Optional. Link title format. Default '%title'.
2773   * @return string
2774   */
2775  function get_parent_post_rel_link( $title = '%title' ) {
2776      _deprecated_function( __FUNCTION__, '3.3.0' );
2777  
2778      if ( ! empty( $GLOBALS['post'] ) && ! empty( $GLOBALS['post']->post_parent ) )
2779          $post = get_post($GLOBALS['post']->post_parent);
2780  
2781      if ( empty($post) )
2782          return;
2783  
2784      $date = mysql2date(get_option('date_format'), $post->post_date);
2785  
2786      $title = str_replace('%title', $post->post_title, $title);
2787      $title = str_replace('%date', $date, $title);
2788      $title = apply_filters('the_title', $title, $post->ID);
2789  
2790      $link = "<link rel='up' title='";
2791      $link .= esc_attr( $title );
2792      $link .= "' href='" . get_permalink($post) . "' />\n";
2793  
2794      return apply_filters( "parent_post_rel_link", $link );
2795  }
2796  
2797  /**
2798   * Display relational link for parent item
2799   *
2800   * @since 2.8.0
2801   * @deprecated 3.3.0
2802   *
2803   * @param string $title Optional. Link title format. Default '%title'.
2804   */
2805  function parent_post_rel_link( $title = '%title' ) {
2806      _deprecated_function( __FUNCTION__, '3.3.0' );
2807  
2808      echo get_parent_post_rel_link($title);
2809  }
2810  
2811  /**
2812   * Add the "Dashboard"/"Visit Site" menu.
2813   *
2814   * @since 3.2.0
2815   * @deprecated 3.3.0
2816   *
2817   * @param WP_Admin_Bar $wp_admin_bar WP_Admin_Bar instance.
2818   */
2819  function wp_admin_bar_dashboard_view_site_menu( $wp_admin_bar ) {
2820      _deprecated_function( __FUNCTION__, '3.3.0' );
2821  
2822      $user_id = get_current_user_id();
2823  
2824      if ( 0 != $user_id ) {
2825          if ( is_admin() )
2826              $wp_admin_bar->add_menu( array( 'id' => 'view-site', 'title' => __( 'Visit Site' ), 'href' => home_url() ) );
2827          elseif ( is_multisite() )
2828              $wp_admin_bar->add_menu( array( 'id' => 'dashboard', 'title' => __( 'Dashboard' ), 'href' => get_dashboard_url( $user_id ) ) );
2829          else
2830              $wp_admin_bar->add_menu( array( 'id' => 'dashboard', 'title' => __( 'Dashboard' ), 'href' => admin_url() ) );
2831      }
2832  }
2833  
2834  /**
2835   * Checks if the current user belong to a given site.
2836   *
2837   * @since MU (3.0.0)
2838   * @deprecated 3.3.0 Use is_user_member_of_blog()
2839   * @see is_user_member_of_blog()
2840   *
2841   * @param int $blog_id Site ID
2842   * @return bool True if the current users belong to $blog_id, false if not.
2843   */
2844  function is_blog_user( $blog_id = 0 ) {
2845      _deprecated_function( __FUNCTION__, '3.3.0', 'is_user_member_of_blog()' );
2846  
2847      return is_user_member_of_blog( get_current_user_id(), $blog_id );
2848  }
2849  
2850  /**
2851   * Open the file handle for debugging.
2852   *
2853   * @since 0.71
2854   * @deprecated 3.4.0 Use error_log()
2855   * @see error_log()
2856   *
2857   * @link https://www.php.net/manual/en/function.error-log.php
2858   *
2859   * @param string $filename File name.
2860   * @param string $mode     Type of access you required to the stream.
2861   * @return false Always false.
2862   */
2863  function debug_fopen( $filename, $mode ) {
2864      _deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
2865      return false;
2866  }
2867  
2868  /**
2869   * Write contents to the file used for debugging.
2870   *
2871   * @since 0.71
2872   * @deprecated 3.4.0 Use error_log()
2873   * @see error_log()
2874   *
2875   * @link https://www.php.net/manual/en/function.error-log.php
2876   *
2877   * @param mixed  $fp     Unused.
2878   * @param string $string Message to log.
2879   */
2880  function debug_fwrite( $fp, $string ) {
2881      _deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
2882      if ( ! empty( $GLOBALS['debug'] ) )
2883          error_log( $string );
2884  }
2885  
2886  /**
2887   * Close the debugging file handle.
2888   *
2889   * @since 0.71
2890   * @deprecated 3.4.0 Use error_log()
2891   * @see error_log()
2892   *
2893   * @link https://www.php.net/manual/en/function.error-log.php
2894   *
2895   * @param mixed $fp Unused.
2896   */
2897  function debug_fclose( $fp ) {
2898      _deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
2899  }
2900  
2901  /**
2902   * Retrieve list of themes with theme data in theme directory.
2903   *
2904   * The theme is broken, if it doesn't have a parent theme and is missing either
2905   * style.css and, or index.php. If the theme has a parent theme then it is
2906   * broken, if it is missing style.css; index.php is optional.
2907   *
2908   * @since 1.5.0
2909   * @deprecated 3.4.0 Use wp_get_themes()
2910   * @see wp_get_themes()
2911   *
2912   * @return array Theme list with theme data.
2913   */
2914  function get_themes() {
2915      _deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_themes()' );
2916  
2917      global $wp_themes;
2918      if ( isset( $wp_themes ) )
2919          return $wp_themes;
2920  
2921      $themes = wp_get_themes();
2922      $wp_themes = array();
2923  
2924      foreach ( $themes as $theme ) {
2925          $name = $theme->get('Name');
2926          if ( isset( $wp_themes[ $name ] ) )
2927              $wp_themes[ $name . '/' . $theme->get_stylesheet() ] = $theme;
2928          else
2929              $wp_themes[ $name ] = $theme;
2930      }
2931  
2932      return $wp_themes;
2933  }
2934  
2935  /**
2936   * Retrieve theme data.
2937   *
2938   * @since 1.5.0
2939   * @deprecated 3.4.0 Use wp_get_theme()
2940   * @see wp_get_theme()
2941   *
2942   * @param string $theme Theme name.
2943   * @return array|null Null, if theme name does not exist. Theme data, if exists.
2944   */
2945  function get_theme( $theme ) {
2946      _deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme( $stylesheet )' );
2947  
2948      $themes = get_themes();
2949      if ( is_array( $themes ) && array_key_exists( $theme, $themes ) )
2950          return $themes[ $theme ];
2951      return null;
2952  }
2953  
2954  /**
2955   * Retrieve current theme name.
2956   *
2957   * @since 1.5.0
2958   * @deprecated 3.4.0 Use wp_get_theme()
2959   * @see wp_get_theme()
2960   *
2961   * @return string
2962   */
2963  function get_current_theme() {
2964      _deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme()' );
2965  
2966      if ( $theme = get_option( 'current_theme' ) )
2967          return $theme;
2968  
2969      return wp_get_theme()->get('Name');
2970  }
2971  
2972  /**
2973   * Accepts matches array from preg_replace_callback in wpautop() or a string.
2974   *
2975   * Ensures that the contents of a `<pre>...</pre>` HTML block are not
2976   * converted into paragraphs or line breaks.
2977   *
2978   * @since 1.2.0
2979   * @deprecated 3.4.0
2980   *
2981   * @param array|string $matches The array or string
2982   * @return string The pre block without paragraph/line break conversion.
2983   */
2984  function clean_pre($matches) {
2985      _deprecated_function( __FUNCTION__, '3.4.0' );
2986  
2987      if ( is_array($matches) )
2988          $text = $matches[1] . $matches[2] . "</pre>";
2989      else
2990          $text = $matches;
2991  
2992      $text = str_replace(array('<br />', '<br/>', '<br>'), array('', '', ''), $text);
2993      $text = str_replace('<p>', "\n", $text);
2994      $text = str_replace('</p>', '', $text);
2995  
2996      return $text;
2997  }
2998  
2999  
3000  /**
3001   * Add callbacks for image header display.
3002   *
3003   * @since 2.1.0
3004   * @deprecated 3.4.0 Use add_theme_support()
3005   * @see add_theme_support()
3006   *
3007   * @param callable $wp_head_callback Call on the {@see 'wp_head'} action.
3008   * @param callable $admin_head_callback Call on custom header administration screen.
3009   * @param callable $admin_preview_callback Output a custom header image div on the custom header administration screen. Optional.
3010   */
3011  function add_custom_image_header( $wp_head_callback, $admin_head_callback, $admin_preview_callback = '' ) {
3012      _deprecated_function( __FUNCTION__, '3.4.0', 'add_theme_support( \'custom-header\', $args )' );
3013      $args = array(
3014          'wp-head-callback'    => $wp_head_callback,
3015          'admin-head-callback' => $admin_head_callback,
3016      );
3017      if ( $admin_preview_callback )
3018          $args['admin-preview-callback'] = $admin_preview_callback;
3019      return add_theme_support( 'custom-header', $args );
3020  }
3021  
3022  /**
3023   * Remove image header support.
3024   *
3025   * @since 3.1.0
3026   * @deprecated 3.4.0 Use remove_theme_support()
3027   * @see remove_theme_support()
3028   *
3029   * @return null|bool Whether support was removed.
3030   */
3031  function remove_custom_image_header() {
3032      _deprecated_function( __FUNCTION__, '3.4.0', 'remove_theme_support( \'custom-header\' )' );
3033      return remove_theme_support( 'custom-header' );
3034  }
3035  
3036  /**
3037   * Add callbacks for background image display.
3038   *
3039   * @since 3.0.0
3040   * @deprecated 3.4.0 Use add_theme_support()
3041   * @see add_theme_support()
3042   *
3043   * @param callable $wp_head_callback Call on the {@see 'wp_head'} action.
3044   * @param callable $admin_head_callback Call on custom background administration screen.
3045   * @param callable $admin_preview_callback Output a custom background image div on the custom background administration screen. Optional.
3046   */
3047  function add_custom_background( $wp_head_callback = '', $admin_head_callback = '', $admin_preview_callback = '' ) {
3048      _deprecated_function( __FUNCTION__, '3.4.0', 'add_theme_support( \'custom-background\', $args )' );
3049      $args = array();
3050      if ( $wp_head_callback )
3051          $args['wp-head-callback'] = $wp_head_callback;
3052      if ( $admin_head_callback )
3053          $args['admin-head-callback'] = $admin_head_callback;
3054      if ( $admin_preview_callback )
3055          $args['admin-preview-callback'] = $admin_preview_callback;
3056      return add_theme_support( 'custom-background', $args );
3057  }
3058  
3059  /**
3060   * Remove custom background support.
3061   *
3062   * @since 3.1.0
3063   * @deprecated 3.4.0 Use add_custom_background()
3064   * @see add_custom_background()
3065   *
3066   * @return null|bool Whether support was removed.
3067   */
3068  function remove_custom_background() {
3069      _deprecated_function( __FUNCTION__, '3.4.0', 'remove_theme_support( \'custom-background\' )' );
3070      return remove_theme_support( 'custom-background' );
3071  }
3072  
3073  /**
3074   * Retrieve theme data from parsed theme file.
3075   *
3076   * @since 1.5.0
3077   * @deprecated 3.4.0 Use wp_get_theme()
3078   * @see wp_get_theme()
3079   *
3080   * @param string $theme_file Theme file path.
3081   * @return array Theme data.
3082   */
3083  function get_theme_data( $theme_file ) {
3084      _deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme()' );
3085      $theme = new WP_Theme( wp_basename( dirname( $theme_file ) ), dirname( dirname( $theme_file ) ) );
3086  
3087      $theme_data = array(
3088          'Name' => $theme->get('Name'),
3089          'URI' => $theme->display('ThemeURI', true, false),
3090          'Description' => $theme->display('Description', true, false),
3091          'Author' => $theme->display('Author', true, false),
3092          'AuthorURI' => $theme->display('AuthorURI', true, false),
3093          'Version' => $theme->get('Version'),
3094          'Template' => $theme->get('Template'),
3095          'Status' => $theme->get('Status'),
3096          'Tags' => $theme->get('Tags'),
3097          'Title' => $theme->get('Name'),
3098          'AuthorName' => $theme->get('Author'),
3099      );
3100  
3101      foreach ( apply_filters( 'extra_theme_headers', array() ) as $extra_header ) {
3102          if ( ! isset( $theme_data[ $extra_header ] ) )
3103              $theme_data[ $extra_header ] = $theme->get( $extra_header );
3104      }
3105  
3106      return $theme_data;
3107  }
3108  
3109  /**
3110   * Alias of update_post_cache().
3111   *
3112   * @see update_post_cache() Posts and pages are the same, alias is intentional
3113   *
3114   * @since 1.5.1
3115   * @deprecated 3.4.0 Use update_post_cache()
3116   * @see update_post_cache()
3117   *
3118   * @param array $pages list of page objects
3119   */
3120  function update_page_cache( &$pages ) {
3121      _deprecated_function( __FUNCTION__, '3.4.0', 'update_post_cache()' );
3122  
3123      update_post_cache( $pages );
3124  }
3125  
3126  /**
3127   * Will clean the page in the cache.
3128   *
3129   * Clean (read: delete) page from cache that matches $id. Will also clean cache
3130   * associated with 'all_page_ids' and 'get_pages'.
3131   *
3132   * @since 2.0.0
3133   * @deprecated 3.4.0 Use clean_post_cache
3134   * @see clean_post_cache()
3135   *
3136   * @param int $id Page ID to clean
3137   */
3138  function clean_page_cache( $id ) {
3139      _deprecated_function( __FUNCTION__, '3.4.0', 'clean_post_cache()' );
3140  
3141      clean_post_cache( $id );
3142  }
3143  
3144  /**
3145   * Retrieve nonce action "Are you sure" message.
3146   *
3147   * Deprecated in 3.4.1 and 3.5.0. Backported to 3.3.3.
3148   *
3149   * @since 2.0.4
3150   * @deprecated 3.4.1 Use wp_nonce_ays()
3151   * @see wp_nonce_ays()
3152   *
3153   * @param string $action Nonce action.
3154   * @return string Are you sure message.
3155   */
3156  function wp_explain_nonce( $action ) {
3157      _deprecated_function( __FUNCTION__, '3.4.1', 'wp_nonce_ays()' );
3158      return __( 'Are you sure you want to do this?' );
3159  }
3160  
3161  /**
3162   * Display "sticky" CSS class, if a post is sticky.
3163   *
3164   * @since 2.7.0
3165   * @deprecated 3.5.0 Use post_class()
3166   * @see post_class()
3167   *
3168   * @param int $post_id An optional post ID.
3169   */
3170  function sticky_class( $post_id = null ) {
3171      _deprecated_function( __FUNCTION__, '3.5.0', 'post_class()' );
3172      if ( is_sticky( $post_id ) )
3173          echo ' sticky';
3174  }
3175  
3176  /**
3177   * Retrieve post ancestors.
3178   *
3179   * This is no longer needed as WP_Post lazy-loads the ancestors
3180   * property with get_post_ancestors().
3181   *
3182   * @since 2.3.4
3183   * @deprecated 3.5.0 Use get_post_ancestors()
3184   * @see get_post_ancestors()
3185   *
3186   * @param WP_Post $post Post object, passed by reference (unused).
3187   */
3188  function _get_post_ancestors( &$post ) {
3189      _deprecated_function( __FUNCTION__, '3.5.0' );
3190  }
3191  
3192  /**
3193   * Load an image from a string, if PHP supports it.
3194   *
3195   * @since 2.1.0
3196   * @deprecated 3.5.0 Use wp_get_image_editor()
3197   * @see wp_get_image_editor()
3198   *
3199   * @param string $file Filename of the image to load.
3200   * @return resource|GdImage|string The resulting image resource or GdImage instance on success,
3201   *                                 error string on failure.
3202   */
3203  function wp_load_image( $file ) {
3204      _deprecated_function( __FUNCTION__, '3.5.0', 'wp_get_image_editor()' );
3205  
3206      if ( is_numeric( $file ) )
3207          $file = get_attached_file( $file );
3208  
3209      if ( ! is_file( $file ) ) {
3210          /* translators: %s: File name. */
3211          return sprintf( __( 'File &#8220;%s&#8221; doesn&#8217;t exist?' ), $file );
3212      }
3213  
3214      if ( ! function_exists('imagecreatefromstring') )
3215          return __('The GD image library is not installed.');
3216  
3217      // Set artificially high because GD uses uncompressed images in memory.
3218      wp_raise_memory_limit( 'image' );
3219  
3220      $image = imagecreatefromstring( file_get_contents( $file ) );
3221  
3222      if ( ! is_gd_image( $image ) ) {
3223          /* translators: %s: File name. */
3224          return sprintf( __( 'File &#8220;%s&#8221; is not an image.' ), $file );
3225      }
3226  
3227      return $image;
3228  }
3229  
3230  /**
3231   * Scale down an image to fit a particular size and save a new copy of the image.
3232   *
3233   * The PNG transparency will be preserved using the function, as well as the
3234   * image type. If the file going in is PNG, then the resized image is going to
3235   * be PNG. The only supported image types are PNG, GIF, and JPEG.
3236   *
3237   * Some functionality requires API to exist, so some PHP version may lose out
3238   * support. This is not the fault of WordPress (where functionality is
3239   * downgraded, not actual defects), but of your PHP version.
3240   *
3241   * @since 2.5.0
3242   * @deprecated 3.5.0 Use wp_get_image_editor()
3243   * @see wp_get_image_editor()
3244   *
3245   * @param string $file         Image file path.
3246   * @param int    $max_w        Maximum width to resize to.
3247   * @param int    $max_h        Maximum height to resize to.
3248   * @param bool   $crop         Optional. Whether to crop image or resize. Default false.
3249   * @param string $suffix       Optional. File suffix. Default null.
3250   * @param string $dest_path    Optional. New image file path. Default null.
3251   * @param int    $jpeg_quality Optional. Image quality percentage. Default 90.
3252   * @return mixed WP_Error on failure. String with new destination path.
3253   */
3254  function image_resize( $file, $max_w, $max_h, $crop = false, $suffix = null, $dest_path = null, $jpeg_quality = 90 ) {
3255      _deprecated_function( __FUNCTION__, '3.5.0', 'wp_get_image_editor()' );
3256  
3257      $editor = wp_get_image_editor( $file );
3258      if ( is_wp_error( $editor ) )
3259          return $editor;
3260      $editor->set_quality( $jpeg_quality );
3261  
3262      $resized = $editor->resize( $max_w, $max_h, $crop );
3263      if ( is_wp_error( $resized ) )
3264          return $resized;
3265  
3266      $dest_file = $editor->generate_filename( $suffix, $dest_path );
3267      $saved = $editor->save( $dest_file );
3268  
3269      if ( is_wp_error( $saved ) )
3270          return $saved;
3271  
3272      return $dest_file;
3273  }
3274  
3275  /**
3276   * Retrieve a single post, based on post ID.
3277   *
3278   * Has categories in 'post_category' property or key. Has tags in 'tags_input'
3279   * property or key.
3280   *
3281   * @since 1.0.0
3282   * @deprecated 3.5.0 Use get_post()
3283   * @see get_post()
3284   *
3285   * @param int $postid Post ID.
3286   * @param string $mode How to return result, either OBJECT, ARRAY_N, or ARRAY_A.
3287   * @return WP_Post|null Post object or array holding post contents and information
3288   */
3289  function wp_get_single_post( $postid = 0, $mode = OBJECT ) {
3290      _deprecated_function( __FUNCTION__, '3.5.0', 'get_post()' );
3291      return get_post( $postid, $mode );
3292  }
3293  
3294  /**
3295   * Check that the user login name and password is correct.
3296   *
3297   * @since 0.71
3298   * @deprecated 3.5.0 Use wp_authenticate()
3299   * @see wp_authenticate()
3300   *
3301   * @param string $user_login User name.
3302   * @param string $user_pass User password.
3303   * @return bool False if does not authenticate, true if username and password authenticates.
3304   */
3305  function user_pass_ok($user_login, $user_pass) {
3306      _deprecated_function( __FUNCTION__, '3.5.0', 'wp_authenticate()' );
3307      $user = wp_authenticate( $user_login, $user_pass );
3308      if ( is_wp_error( $user ) )
3309          return false;
3310  
3311      return true;
3312  }
3313  
3314  /**
3315   * Callback formerly fired on the save_post hook. No longer needed.
3316   *
3317   * @since 2.3.0
3318   * @deprecated 3.5.0
3319   */
3320  function _save_post_hook() {}
3321  
3322  /**
3323   * Check if the installed version of GD supports particular image type
3324   *
3325   * @since 2.9.0
3326   * @deprecated 3.5.0 Use wp_image_editor_supports()
3327   * @see wp_image_editor_supports()
3328   *
3329   * @param string $mime_type
3330   * @return bool
3331   */
3332  function gd_edit_image_support($mime_type) {
3333      _deprecated_function( __FUNCTION__, '3.5.0', 'wp_image_editor_supports()' );
3334  
3335      if ( function_exists('imagetypes') ) {
3336          switch( $mime_type ) {
3337              case 'image/jpeg':
3338                  return (imagetypes() & IMG_JPG) != 0;
3339              case 'image/png':
3340                  return (imagetypes() & IMG_PNG) != 0;
3341              case 'image/gif':
3342                  return (imagetypes() & IMG_GIF) != 0;
3343          }
3344      } else {
3345          switch( $mime_type ) {
3346              case 'image/jpeg':
3347                  return function_exists('imagecreatefromjpeg');
3348              case 'image/png':
3349                  return function_exists('imagecreatefrompng');
3350              case 'image/gif':
3351                  return function_exists('imagecreatefromgif');
3352          }
3353      }
3354      return false;
3355  }
3356  
3357  /**
3358   * Converts an integer byte value to a shorthand byte value.
3359   *
3360   * @since 2.3.0
3361   * @deprecated 3.6.0 Use size_format()
3362   * @see size_format()
3363   *
3364   * @param int $bytes An integer byte value.
3365   * @return string A shorthand byte value.
3366   */
3367  function wp_convert_bytes_to_hr( $bytes ) {
3368      _deprecated_function( __FUNCTION__, '3.6.0', 'size_format()' );
3369  
3370      $units = array( 0 => 'B', 1 => 'KB', 2 => 'MB', 3 => 'GB', 4 => 'TB' );
3371      $log   = log( $bytes, KB_IN_BYTES );
3372      $power = (int) $log;
3373      $size  = KB_IN_BYTES ** ( $log - $power );
3374  
3375      if ( ! is_nan( $size ) && array_key_exists( $power, $units ) ) {
3376          $unit = $units[ $power ];
3377      } else {
3378          $size = $bytes;
3379          $unit = $units[0];
3380      }
3381  
3382      return $size . $unit;
3383  }
3384  
3385  /**
3386   * Formerly used internally to tidy up the search terms.
3387   *
3388   * @since 2.9.0
3389   * @access private
3390   * @deprecated 3.7.0
3391   *
3392   * @param string $t Search terms to "tidy", e.g. trim.
3393   * @return string Trimmed search terms.
3394   */
3395  function _search_terms_tidy( $t ) {
3396      _deprecated_function( __FUNCTION__, '3.7.0' );
3397      return trim( $t, "\"'\n\r " );
3398  }
3399  
3400  /**
3401   * Determine if TinyMCE is available.
3402   *
3403   * Checks to see if the user has deleted the tinymce files to slim down
3404   * their WordPress installation.
3405   *
3406   * @since 2.1.0
3407   * @deprecated 3.9.0
3408   *
3409   * @return bool Whether TinyMCE exists.
3410   */
3411  function rich_edit_exists() {
3412      global $wp_rich_edit_exists;
3413      _deprecated_function( __FUNCTION__, '3.9.0' );
3414  
3415      if ( ! isset( $wp_rich_edit_exists ) )
3416          $wp_rich_edit_exists = file_exists( ABSPATH . WPINC . '/js/tinymce/tinymce.js' );
3417  
3418      return $wp_rich_edit_exists;
3419  }
3420  
3421  /**
3422   * Old callback for tag link tooltips.
3423   *
3424   * @since 2.7.0
3425   * @access private
3426   * @deprecated 3.9.0
3427   *
3428   * @param int $count Number of topics.
3429   * @return int Number of topics.
3430   */
3431  function default_topic_count_text( $count ) {
3432      return $count;
3433  }
3434  
3435  /**
3436   * Formerly used to escape strings before inserting into the DB.
3437   *
3438   * Has not performed this function for many, many years. Use wpdb::prepare() instead.
3439   *
3440   * @since 0.71
3441   * @deprecated 3.9.0
3442   *
3443   * @param string $content The text to format.
3444   * @return string The very same text.
3445   */
3446  function format_to_post( $content ) {
3447      _deprecated_function( __FUNCTION__, '3.9.0' );
3448      return $content;
3449  }
3450  
3451  /**
3452   * Formerly used to escape strings before searching the DB. It was poorly documented and never worked as described.
3453   *
3454   * @since 2.5.0
3455   * @deprecated 4.0.0 Use wpdb::esc_like()
3456   * @see wpdb::esc_like()
3457   *
3458   * @param string $text The text to be escaped.
3459   * @return string text, safe for inclusion in LIKE query.
3460   */
3461  function like_escape($text) {
3462      _deprecated_function( __FUNCTION__, '4.0.0', 'wpdb::esc_like()' );
3463      return str_replace( array( "%", "_" ), array( "\\%", "\\_" ), $text );
3464  }
3465  
3466  /**
3467   * Determines if the URL can be accessed over SSL.
3468   *
3469   * Determines if the URL can be accessed over SSL by using the WordPress HTTP API to access
3470   * the URL using https as the scheme.
3471   *
3472   * @since 2.5.0
3473   * @deprecated 4.0.0
3474   *
3475   * @param string $url The URL to test.
3476   * @return bool Whether SSL access is available.
3477   */
3478  function url_is_accessable_via_ssl( $url ) {
3479      _deprecated_function( __FUNCTION__, '4.0.0' );
3480  
3481      $response = wp_remote_get( set_url_scheme( $url, 'https' ) );
3482  
3483      if ( !is_wp_error( $response ) ) {
3484          $status = wp_remote_retrieve_response_code( $response );
3485          if ( 200 == $status || 401 == $status ) {
3486              return true;
3487          }
3488      }
3489  
3490      return false;
3491  }
3492  
3493  /**
3494   * Start preview theme output buffer.
3495   *
3496   * Will only perform task if the user has permissions and template and preview
3497   * query variables exist.
3498   *
3499   * @since 2.6.0
3500   * @deprecated 4.3.0
3501   */
3502  function preview_theme() {
3503      _deprecated_function( __FUNCTION__, '4.3.0' );
3504  }
3505  
3506  /**
3507   * Private function to modify the current template when previewing a theme
3508   *
3509   * @since 2.9.0
3510   * @deprecated 4.3.0
3511   * @access private
3512   *
3513   * @return string
3514   */
3515  function _preview_theme_template_filter() {
3516      _deprecated_function( __FUNCTION__, '4.3.0' );
3517      return '';
3518  }
3519  
3520  /**
3521   * Private function to modify the current stylesheet when previewing a theme
3522   *
3523   * @since 2.9.0
3524   * @deprecated 4.3.0
3525   * @access private
3526   *
3527   * @return string
3528   */
3529  function _preview_theme_stylesheet_filter() {
3530      _deprecated_function( __FUNCTION__, '4.3.0' );
3531      return '';
3532  }
3533  
3534  /**
3535   * Callback function for ob_start() to capture all links in the theme.
3536   *
3537   * @since 2.6.0
3538   * @deprecated 4.3.0
3539   * @access private
3540   *
3541   * @param string $content
3542   * @return string
3543   */
3544  function preview_theme_ob_filter( $content ) {
3545      _deprecated_function( __FUNCTION__, '4.3.0' );
3546      return $content;
3547  }
3548  
3549  /**
3550   * Manipulates preview theme links in order to control and maintain location.
3551   *
3552   * Callback function for preg_replace_callback() to accept and filter matches.
3553   *
3554   * @since 2.6.0
3555   * @deprecated 4.3.0
3556   * @access private
3557   *
3558   * @param array $matches
3559   * @return string
3560   */
3561  function preview_theme_ob_filter_callback( $matches ) {
3562      _deprecated_function( __FUNCTION__, '4.3.0' );
3563      return '';
3564  }
3565  
3566  /**
3567   * Formats text for the rich text editor.
3568   *
3569   * The {@see 'richedit_pre'} filter is applied here. If `$text` is empty the filter will
3570   * be applied to an empty string.
3571   *
3572   * @since 2.0.0
3573   * @deprecated 4.3.0 Use format_for_editor()
3574   * @see format_for_editor()
3575   *
3576   * @param string $text The text to be formatted.
3577   * @return string The formatted text after filter is applied.
3578   */
3579  function wp_richedit_pre($text) {
3580      _deprecated_function( __FUNCTION__, '4.3.0', 'format_for_editor()' );
3581  
3582      if ( empty( $text ) ) {
3583          /**
3584           * Filters text returned for the rich text editor.
3585           *
3586           * This filter is first evaluated, and the value returned, if an empty string
3587           * is passed to wp_richedit_pre(). If an empty string is passed, it results
3588           * in a break tag and line feed.
3589           *
3590           * If a non-empty string is passed, the filter is evaluated on the wp_richedit_pre()
3591           * return after being formatted.
3592           *
3593           * @since 2.0.0
3594           * @deprecated 4.3.0
3595           *
3596           * @param string $output Text for the rich text editor.
3597           */
3598          return apply_filters( 'richedit_pre', '' );
3599      }
3600  
3601      $output = convert_chars($text);
3602      $output = wpautop($output);
3603      $output = htmlspecialchars($output, ENT_NOQUOTES, get_option( 'blog_charset' ) );
3604  
3605      /** This filter is documented in wp-includes/deprecated.php */
3606      return apply_filters( 'richedit_pre', $output );
3607  }
3608  
3609  /**
3610   * Formats text for the HTML editor.
3611   *
3612   * Unless $output is empty it will pass through htmlspecialchars before the
3613   * {@see 'htmledit_pre'} filter is applied.
3614   *
3615   * @since 2.5.0
3616   * @deprecated 4.3.0 Use format_for_editor()
3617   * @see format_for_editor()
3618   *
3619   * @param string $output The text to be formatted.
3620   * @return string Formatted text after filter applied.
3621   */
3622  function wp_htmledit_pre($output) {
3623      _deprecated_function( __FUNCTION__, '4.3.0', 'format_for_editor()' );
3624  
3625      if ( !empty($output) )
3626          $output = htmlspecialchars($output, ENT_NOQUOTES, get_option( 'blog_charset' ) ); // Convert only '< > &'.
3627  
3628      /**
3629       * Filters the text before it is formatted for the HTML editor.
3630       *
3631       * @since 2.5.0
3632       * @deprecated 4.3.0
3633       *
3634       * @param string $output The HTML-formatted text.
3635       */
3636      return apply_filters( 'htmledit_pre', $output );
3637  }
3638  
3639  /**
3640   * Retrieve permalink from post ID.
3641   *
3642   * @since 1.0.0
3643   * @deprecated 4.4.0 Use get_permalink()
3644   * @see get_permalink()
3645   *
3646   * @param int|WP_Post $post_id Optional. Post ID or WP_Post object. Default is global $post.
3647   * @return string|false
3648   */
3649  function post_permalink( $post_id = 0 ) {
3650      _deprecated_function( __FUNCTION__, '4.4.0', 'get_permalink()' );
3651  
3652      return get_permalink( $post_id );
3653  }
3654  
3655  /**
3656   * Perform a HTTP HEAD or GET request.
3657   *
3658   * If $file_path is a writable filename, this will do a GET request and write
3659   * the file to that path.
3660   *
3661   * @since 2.5.0
3662   * @deprecated 4.4.0 Use WP_Http
3663   * @see WP_Http
3664   *
3665   * @param string      $url       URL to fetch.
3666   * @param string|bool $file_path Optional. File path to write request to. Default false.
3667   * @param int         $red       Optional. The number of Redirects followed, Upon 5 being hit,
3668   *                               returns false. Default 1.
3669   * @return bool|string False on failure and string of headers if HEAD request.
3670   */
3671  function wp_get_http( $url, $file_path = false, $red = 1 ) {
3672      _deprecated_function( __FUNCTION__, '4.4.0', 'WP_Http' );
3673  
3674      @set_time_limit( 60 );
3675  
3676      if ( $red > 5 )
3677          return false;
3678  
3679      $options = array();
3680      $options['redirection'] = 5;
3681  
3682      if ( false == $file_path )
3683          $options['method'] = 'HEAD';
3684      else
3685          $options['method'] = 'GET';
3686  
3687      $response = wp_safe_remote_request( $url, $options );
3688  
3689      if ( is_wp_error( $response ) )
3690          return false;
3691  
3692      $headers = wp_remote_retrieve_headers( $response );
3693      $headers['response'] = wp_remote_retrieve_response_code( $response );
3694  
3695      // WP_HTTP no longer follows redirects for HEAD requests.
3696      if ( 'HEAD' == $options['method'] && in_array($headers['response'], array(301, 302)) && isset( $headers['location'] ) ) {
3697          return wp_get_http( $headers['location'], $file_path, ++$red );
3698      }
3699  
3700      if ( false == $file_path )
3701          return $headers;
3702  
3703      // GET request - write it to the supplied filename.
3704      $out_fp = fopen($file_path, 'w');
3705      if ( !$out_fp )
3706          return $headers;
3707  
3708      fwrite( $out_fp,  wp_remote_retrieve_body( $response ) );
3709      fclose($out_fp);
3710      clearstatcache();
3711  
3712      return $headers;
3713  }
3714  
3715  /**
3716   * Whether SSL login should be forced.
3717   *
3718   * @since 2.6.0
3719   * @deprecated 4.4.0 Use force_ssl_admin()
3720   * @see force_ssl_admin()
3721   *
3722   * @param string|bool $force Optional Whether to force SSL login. Default null.
3723   * @return bool True if forced, false if not forced.
3724   */
3725  function force_ssl_login( $force = null ) {
3726      _deprecated_function( __FUNCTION__, '4.4.0', 'force_ssl_admin()' );
3727      return force_ssl_admin( $force );
3728  }
3729  
3730  /**
3731   * Retrieve path of comment popup template in current or parent template.
3732   *
3733   * @since 1.5.0
3734   * @deprecated 4.5.0
3735   *
3736   * @return string Full path to comments popup template file.
3737   */
3738  function get_comments_popup_template() {
3739      _deprecated_function( __FUNCTION__, '4.5.0' );
3740  
3741      return '';
3742  }
3743  
3744  /**
3745   * Determines whether the current URL is within the comments popup window.
3746   *
3747   * For more information on this and similar theme functions, check out
3748   * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
3749   * Conditional Tags} article in the Theme Developer Handbook.
3750   *
3751   * @since 1.5.0
3752   * @deprecated 4.5.0
3753   *
3754   * @return false Always returns false.
3755   */
3756  function is_comments_popup() {
3757      _deprecated_function( __FUNCTION__, '4.5.0' );
3758  
3759      return false;
3760  }
3761  
3762  /**
3763   * Display the JS popup script to show a comment.
3764   *
3765   * @since 0.71
3766   * @deprecated 4.5.0
3767   */
3768  function comments_popup_script() {
3769      _deprecated_function( __FUNCTION__, '4.5.0' );
3770  }
3771  
3772  /**
3773   * Adds element attributes to open links in new tabs.
3774   *
3775   * @since 0.71
3776   * @deprecated 4.5.0
3777   *
3778   * @param string $text Content to replace links to open in a new tab.
3779   * @return string Content that has filtered links.
3780   */
3781  function popuplinks( $text ) {
3782      _deprecated_function( __FUNCTION__, '4.5.0' );
3783      $text = preg_replace('/<a (.+?)>/i', "<a $1 target='_blank' rel='external'>", $text);
3784      return $text;
3785  }
3786  
3787  /**
3788   * The Google Video embed handler callback.
3789   *
3790   * Deprecated function that previously assisted in turning Google Video URLs
3791   * into embeds but that service has since been shut down.
3792   *
3793   * @since 2.9.0
3794   * @deprecated 4.6.0
3795   *
3796   * @return string An empty string.
3797   */
3798  function wp_embed_handler_googlevideo( $matches, $attr, $url, $rawattr ) {
3799      _deprecated_function( __FUNCTION__, '4.6.0' );
3800  
3801      return '';
3802  }
3803  
3804  /**
3805   * Retrieve path of paged template in current or parent template.
3806   *
3807   * @since 1.5.0
3808   * @deprecated 4.7.0 The paged.php template is no longer part of the theme template hierarchy.
3809   *
3810   * @return string Full path to paged template file.
3811   */
3812  function get_paged_template() {
3813      _deprecated_function( __FUNCTION__, '4.7.0' );
3814  
3815      return get_query_template( 'paged' );
3816  }
3817  
3818  /**
3819   * Removes the HTML JavaScript entities found in early versions of Netscape 4.
3820   *
3821   * Previously, this function was pulled in from the original
3822   * import of kses and removed a specific vulnerability only
3823   * existent in early version of Netscape 4. However, this
3824   * vulnerability never affected any other browsers and can
3825   * be considered safe for the modern web.
3826   *
3827   * The regular expression which sanitized this vulnerability
3828   * has been removed in consideration of the performance and
3829   * energy demands it placed, now merely passing through its
3830   * input to the return.
3831   *
3832   * @since 1.0.0
3833   * @deprecated 4.7.0 Officially dropped security support for Netscape 4.
3834   *
3835   * @param string $string
3836   * @return string
3837   */
3838  function wp_kses_js_entities( $string ) {
3839      _deprecated_function( __FUNCTION__, '4.7.0' );
3840  
3841      return preg_replace( '%&\s*\{[^}]*(\}\s*;?|$)%', '', $string );
3842  }
3843  
3844  /**
3845   * Sort categories by ID.
3846   *
3847   * Used by usort() as a callback, should not be used directly. Can actually be
3848   * used to sort any term object.
3849   *
3850   * @since 2.3.0
3851   * @deprecated 4.7.0 Use wp_list_sort()
3852   * @access private
3853   *
3854   * @param object $a
3855   * @param object $b
3856   * @return int
3857   */
3858  function _usort_terms_by_ID( $a, $b ) {
3859      _deprecated_function( __FUNCTION__, '4.7.0', 'wp_list_sort()' );
3860  
3861      if ( $a->term_id > $b->term_id )
3862          return 1;
3863      elseif ( $a->term_id < $b->term_id )
3864          return -1;
3865      else
3866          return 0;
3867  }
3868  
3869  /**
3870   * Sort categories by name.
3871   *
3872   * Used by usort() as a callback, should not be used directly. Can actually be
3873   * used to sort any term object.
3874   *
3875   * @since 2.3.0
3876   * @deprecated 4.7.0 Use wp_list_sort()
3877   * @access private
3878   *
3879   * @param object $a
3880   * @param object $b
3881   * @return int
3882   */
3883  function _usort_terms_by_name( $a, $b ) {
3884      _deprecated_function( __FUNCTION__, '4.7.0', 'wp_list_sort()' );
3885  
3886      return strcmp( $a->name, $b->name );
3887  }
3888  
3889  /**
3890   * Sort menu items by the desired key.
3891   *
3892   * @since 3.0.0
3893   * @deprecated 4.7.0 Use wp_list_sort()
3894   * @access private
3895   *
3896   * @global string $_menu_item_sort_prop
3897   *
3898   * @param object $a The first object to compare
3899   * @param object $b The second object to compare
3900   * @return int -1, 0, or 1 if $a is considered to be respectively less than, equal to, or greater than $b.
3901   */
3902  function _sort_nav_menu_items( $a, $b ) {
3903      global $_menu_item_sort_prop;
3904  
3905      _deprecated_function( __FUNCTION__, '4.7.0', 'wp_list_sort()' );
3906  
3907      if ( empty( $_menu_item_sort_prop ) )
3908          return 0;
3909  
3910      if ( ! isset( $a->$_menu_item_sort_prop ) || ! isset( $b->$_menu_item_sort_prop ) )
3911          return 0;
3912  
3913      $_a = (int) $a->$_menu_item_sort_prop;
3914      $_b = (int) $b->$_menu_item_sort_prop;
3915  
3916      if ( $a->$_menu_item_sort_prop == $b->$_menu_item_sort_prop )
3917          return 0;
3918      elseif ( $_a == $a->$_menu_item_sort_prop && $_b == $b->$_menu_item_sort_prop )
3919          return $_a < $_b ? -1 : 1;
3920      else
3921          return strcmp( $a->$_menu_item_sort_prop, $b->$_menu_item_sort_prop );
3922  }
3923  
3924  /**
3925   * Retrieves the Press This bookmarklet link.
3926   *
3927   * @since 2.6.0
3928   * @deprecated 4.9.0
3929   *
3930   */
3931  function get_shortcut_link() {
3932      _deprecated_function( __FUNCTION__, '4.9.0' );
3933  
3934      $link = '';
3935  
3936      /**
3937       * Filters the Press This bookmarklet link.
3938       *
3939       * @since 2.6.0
3940       * @deprecated 4.9.0
3941       *
3942       * @param string $link The Press This bookmarklet link.
3943       */
3944      return apply_filters( 'shortcut_link', $link );
3945  }
3946  
3947  /**
3948  * Ajax handler for saving a post from Press This.
3949  *
3950  * @since 4.2.0
3951  * @deprecated 4.9.0
3952  */
3953  function wp_ajax_press_this_save_post() {
3954      _deprecated_function( __FUNCTION__, '4.9.0' );
3955      if ( is_plugin_active( 'press-this/press-this-plugin.php' ) ) {
3956          include WP_PLUGIN_DIR . '/press-this/class-wp-press-this-plugin.php';
3957          $wp_press_this = new WP_Press_This_Plugin();
3958          $wp_press_this->save_post();
3959      } else {
3960          wp_send_json_error( array( 'errorMessage' => __( 'The Press This plugin is required.' ) ) );
3961      }
3962  }
3963  
3964  /**
3965  * Ajax handler for creating new category from Press This.
3966  *
3967  * @since 4.2.0
3968  * @deprecated 4.9.0
3969  */
3970  function wp_ajax_press_this_add_category() {
3971      _deprecated_function( __FUNCTION__, '4.9.0' );
3972      if ( is_plugin_active( 'press-this/press-this-plugin.php' ) ) {
3973          include WP_PLUGIN_DIR . '/press-this/class-wp-press-this-plugin.php';
3974          $wp_press_this = new WP_Press_This_Plugin();
3975          $wp_press_this->add_category();
3976      } else {
3977          wp_send_json_error( array( 'errorMessage' => __( 'The Press This plugin is required.' ) ) );
3978      }
3979  }
3980  
3981  /**
3982   * Return the user request object for the specified request ID.
3983   *
3984   * @since 4.9.6
3985   * @deprecated 5.4.0 Use wp_get_user_request()
3986   * @see wp_get_user_request()
3987   *
3988   * @param int $request_id The ID of the user request.
3989   * @return WP_User_Request|false
3990   */
3991  function wp_get_user_request_data( $request_id ) {
3992      _deprecated_function( __FUNCTION__, '5.4.0', 'wp_get_user_request()' );
3993      return wp_get_user_request( $request_id );
3994  }
3995  
3996  /**
3997   * Filters 'img' elements in post content to add 'srcset' and 'sizes' attributes.
3998   *
3999   * @since 4.4.0
4000   * @deprecated 5.5.0
4001   *
4002   * @see wp_image_add_srcset_and_sizes()
4003   *
4004   * @param string $content The raw post content to be filtered.
4005   * @return string Converted content with 'srcset' and 'sizes' attributes added to images.
4006   */
4007  function wp_make_content_images_responsive( $content ) {
4008      _deprecated_function( __FUNCTION__, '5.5.0', 'wp_filter_content_tags()' );
4009  
4010      // This will also add the `loading` attribute to `img` tags, if enabled.
4011      return wp_filter_content_tags( $content );
4012  }
4013  
4014  /**
4015   * Turn register globals off.
4016   *
4017   * @since 2.1.0
4018   * @access private
4019   * @deprecated 5.5.0
4020   */
4021  function wp_unregister_GLOBALS() {  // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid
4022      // register_globals was deprecated in PHP 5.3 and removed entirely in PHP 5.4.
4023      _deprecated_function( __FUNCTION__, '5.5.0' );
4024  }
4025  
4026  /**
4027   * Does comment contain disallowed characters or words.
4028   *
4029   * @since 1.5.0
4030   * @deprecated 5.5.0 Use wp_check_comment_disallowed_list() instead.
4031   *                   Please consider writing more inclusive code.
4032   *
4033   * @param string $author The author of the comment
4034   * @param string $email The email of the comment
4035   * @param string $url The url used in the comment
4036   * @param string $comment The comment content
4037   * @param string $user_ip The comment author's IP address
4038   * @param string $user_agent The author's browser user agent
4039   * @return bool True if comment contains disallowed content, false if comment does not
4040   */
4041  function wp_blacklist_check( $author, $email, $url, $comment, $user_ip, $user_agent ) {
4042      _deprecated_function( __FUNCTION__, '5.5.0', 'wp_check_comment_disallowed_list()' );
4043  
4044      return wp_check_comment_disallowed_list( $author, $email, $url, $comment, $user_ip, $user_agent );
4045  }
4046  
4047  /**
4048   * Filters out `register_meta()` args based on an allowed list.
4049   *
4050   * `register_meta()` args may change over time, so requiring the allowed list
4051   * to be explicitly turned off is a warranty seal of sorts.
4052   *
4053   * @access private
4054   * @since 4.6.0
4055   * @deprecated 5.5.0 Use _wp_register_meta_args_allowed_list() instead.
4056   *                   Please consider writing more inclusive code.
4057   *
4058   * @param array $args         Arguments from `register_meta()`.
4059   * @param array $default_args Default arguments for `register_meta()`.
4060   * @return array Filtered arguments.
4061   */
4062  function _wp_register_meta_args_whitelist( $args, $default_args ) {
4063      _deprecated_function( __FUNCTION__, '5.5.0', '_wp_register_meta_args_allowed_list()' );
4064  
4065      return _wp_register_meta_args_allowed_list( $args, $default_args );
4066  }
4067  
4068  /**
4069   * Adds an array of options to the list of allowed options.
4070   *
4071   * @since 2.7.0
4072   * @deprecated 5.5.0 Use add_allowed_options() instead.
4073   *                   Please consider writing more inclusive code.
4074   *
4075   * @global array $allowed_options
4076   *
4077   * @param array        $new_options
4078   * @param string|array $options
4079   * @return array
4080   */
4081  function add_option_whitelist( $new_options, $options = '' ) {
4082      _deprecated_function( __FUNCTION__, '5.5.0', 'add_allowed_options()' );
4083  
4084      return add_allowed_options( $new_options, $options );
4085  }
4086  
4087  /**
4088   * Removes a list of options from the allowed options list.
4089   *
4090   * @since 2.7.0
4091   * @deprecated 5.5.0 Use remove_allowed_options() instead.
4092   *                   Please consider writing more inclusive code.
4093   *
4094   * @global array $allowed_options
4095   *
4096   * @param array        $del_options
4097   * @param string|array $options
4098   * @return array
4099   */
4100  function remove_option_whitelist( $del_options, $options = '' ) {
4101      _deprecated_function( __FUNCTION__, '5.5.0', 'remove_allowed_options()' );
4102  
4103      return remove_allowed_options( $del_options, $options );
4104  }
4105  
4106  /**
4107   * Adds slashes to only string values in an array of values.
4108   *
4109   * This should be used when preparing data for core APIs that expect slashed data.
4110   * This should not be used to escape data going directly into an SQL query.
4111   *
4112   * @since 5.3.0
4113   * @deprecated 5.6.0 Use wp_slash()
4114   *
4115   * @see wp_slash()
4116   *
4117   * @param mixed $value Scalar or array of scalars.
4118   * @return mixed Slashes $value
4119   */
4120  function wp_slash_strings_only( $value ) {
4121      return map_deep( $value, 'addslashes_strings_only' );
4122  }
4123  
4124  /**
4125   * Adds slashes only if the provided value is a string.
4126   *
4127   * @since 5.3.0
4128   * @deprecated 5.6.0
4129   *
4130   * @see wp_slash()
4131   *
4132   * @param mixed $value
4133   * @return mixed
4134   */
4135  function addslashes_strings_only( $value ) {
4136      return is_string( $value ) ? addslashes( $value ) : $value;
4137  }


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