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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://codex.wordpress.org/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   * @param string $before Optional. The html to output before the link.
 384   * @param string $after Optional. The html to output after the link.
 385   * @param string $between Optional. The html to output between the link/image and its description. Not used if no image or $show_images is true.
 386   * @param bool $show_images Optional. Whether to show images (if defined).
 387   * @param string $orderby Optional. The order to output the links. E.g. 'id', 'name', 'url', 'description' or 'rating'. Or maybe owner.
 388   *        If you start the name with an underscore the order will be reversed. You can also specify 'rand' as the order which will return links in a
 389   *        random order.
 390   * @param bool $show_description Optional. Whether to show the description if show_images=false/not defined.
 391   * @param bool $show_rating Optional. Show rating stars/chars.
 392   * @param int $limit        Optional. Limit to X entries. If not specified, all entries are shown.
 393   * @param int $show_updated Optional. Whether to show last updated timestamp
 394   */
 395  function get_linksbyname($cat_name = "noname", $before = '', $after = '<br />', $between = " ", $show_images = true, $orderby = 'id',
 396                          $show_description = true, $show_rating = false,
 397                          $limit = -1, $show_updated = 0) {
 398      _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
 399  
 400      $cat_id = -1;
 401      $cat = get_term_by('name', $cat_name, 'link_category');
 402      if ( $cat )
 403          $cat_id = $cat->term_id;
 404  
 405      get_links($cat_id, $before, $after, $between, $show_images, $orderby, $show_description, $show_rating, $limit, $show_updated);
 406  }
 407  
 408  /**
 409   * Gets the links associated with the named category.
 410   *
 411   * @since 1.0.1
 412   * @deprecated 2.1.0 Use wp_list_bookmarks()
 413   * @see wp_list_bookmarks()
 414   *
 415   * @param string $category The category to use.
 416   * @param string $args
 417   * @return string|null
 418   */
 419  function wp_get_linksbyname($category, $args = '') {
 420      _deprecated_function(__FUNCTION__, '2.1.0', 'wp_list_bookmarks()');
 421  
 422      $defaults = array(
 423          'after' => '<br />',
 424          'before' => '',
 425          'categorize' => 0,
 426          'category_after' => '',
 427          'category_before' => '',
 428          'category_name' => $category,
 429          'show_description' => 1,
 430          'title_li' => '',
 431      );
 432  
 433      $r = wp_parse_args( $args, $defaults );
 434  
 435      return wp_list_bookmarks($r);
 436  }
 437  
 438  /**
 439   * Gets an array of link objects associated with category $cat_name.
 440   *
 441   *     $links = get_linkobjectsbyname( 'fred' );
 442   *     foreach ( $links as $link ) {
 443   *          echo '<li>' . $link->link_name . '</li>';
 444   *     }
 445   *
 446   * @since 1.0.1
 447   * @deprecated 2.1.0 Use get_bookmarks()
 448   * @see get_bookmarks()
 449   *
 450   * @param string $cat_name The category name to use. If no match is found uses all.
 451   * @param string $orderby The order to output the links. E.g. 'id', 'name', 'url', 'description', or 'rating'.
 452   *        Or maybe owner. If you start the name with an underscore the order will be reversed. You can also
 453   *        specify 'rand' as the order which will return links in a random order.
 454   * @param int $limit Limit to X entries. If not specified, all entries are shown.
 455   * @return array
 456   */
 457  function get_linkobjectsbyname($cat_name = "noname" , $orderby = 'name', $limit = -1) {
 458      _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
 459  
 460      $cat_id = -1;
 461      $cat = get_term_by('name', $cat_name, 'link_category');
 462      if ( $cat )
 463          $cat_id = $cat->term_id;
 464  
 465      return get_linkobjects($cat_id, $orderby, $limit);
 466  }
 467  
 468  /**
 469   * Gets an array of link objects associated with category n.
 470   *
 471   * Usage:
 472   *
 473   *     $links = get_linkobjects(1);
 474   *     if ($links) {
 475   *         foreach ($links as $link) {
 476   *             echo '<li>'.$link->link_name.'<br />'.$link->link_description.'</li>';
 477   *         }
 478   *     }
 479   *
 480   * Fields are:
 481   *
 482   * - link_id
 483   * - link_url
 484   * - link_name
 485   * - link_image
 486   * - link_target
 487   * - link_category
 488   * - link_description
 489   * - link_visible
 490   * - link_owner
 491   * - link_rating
 492   * - link_updated
 493   * - link_rel
 494   * - link_notes
 495   *
 496   * @since 1.0.1
 497   * @deprecated 2.1.0 Use get_bookmarks()
 498   * @see get_bookmarks()
 499   *
 500   * @param int $category The category to use. If no category supplied uses all
 501   * @param string $orderby the order to output the links. E.g. 'id', 'name', 'url',
 502   *        'description', or 'rating'. Or maybe owner. If you start the name with an
 503   *        underscore the order will be reversed. You can also specify 'rand' as the
 504   *        order which will return links in a random order.
 505   * @param int $limit Limit to X entries. If not specified, all entries are shown.
 506   * @return array
 507   */
 508  function get_linkobjects($category = 0, $orderby = 'name', $limit = 0) {
 509      _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
 510  
 511      $links = get_bookmarks( array( 'category' => $category, 'orderby' => $orderby, 'limit' => $limit ) ) ;
 512  
 513      $links_array = array();
 514      foreach ($links as $link)
 515          $links_array[] = $link;
 516  
 517      return $links_array;
 518  }
 519  
 520  /**
 521   * Gets the links associated with category 'cat_name' and display rating stars/chars.
 522   *
 523   * @since 0.71
 524   * @deprecated 2.1.0 Use get_bookmarks()
 525   * @see get_bookmarks()
 526   *
 527   * @param string $cat_name The category name to use. If no match is found uses all
 528   * @param string $before The html to output before the link
 529   * @param string $after The html to output after the link
 530   * @param string $between The html to output between the link/image and its description. Not used if no image or show_images is true
 531   * @param bool $show_images Whether to show images (if defined).
 532   * @param string $orderby the order to output the links. E.g. 'id', 'name', 'url',
 533   *        'description', or 'rating'. Or maybe owner. If you start the name with an
 534   *        underscore the order will be reversed. You can also specify 'rand' as the
 535   *        order which will return links in a random order.
 536   * @param bool $show_description Whether to show the description if show_images=false/not defined
 537   * @param int $limit Limit to X entries. If not specified, all entries are shown.
 538   * @param int $show_updated Whether to show last updated timestamp
 539   */
 540  function get_linksbyname_withrating($cat_name = "noname", $before = '', $after = '<br />', $between = " ",
 541                                      $show_images = true, $orderby = 'id', $show_description = true, $limit = -1, $show_updated = 0) {
 542      _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
 543  
 544      get_linksbyname($cat_name, $before, $after, $between, $show_images, $orderby, $show_description, true, $limit, $show_updated);
 545  }
 546  
 547  /**
 548   * Gets the links associated with category n and display rating stars/chars.
 549   *
 550   * @since 0.71
 551   * @deprecated 2.1.0 Use get_bookmarks()
 552   * @see get_bookmarks()
 553   *
 554   * @param int $category The category to use. If no category supplied uses all
 555   * @param string $before The html to output before the link
 556   * @param string $after The html to output after the link
 557   * @param string $between The html to output between the link/image and its description. Not used if no image or show_images == true
 558   * @param bool $show_images Whether to show images (if defined).
 559   * @param string $orderby The order to output the links. E.g. 'id', 'name', 'url',
 560   *        'description', or 'rating'. Or maybe owner. If you start the name with an
 561   *        underscore the order will be reversed. You can also specify 'rand' as the
 562   *        order which will return links in a random order.
 563   * @param bool $show_description Whether to show the description if show_images=false/not defined.
 564   * @param int $limit Limit to X entries. If not specified, all entries are shown.
 565   * @param int $show_updated Whether to show last updated timestamp
 566   */
 567  function get_links_withrating($category = -1, $before = '', $after = '<br />', $between = " ", $show_images = true,
 568                              $orderby = 'id', $show_description = true, $limit = -1, $show_updated = 0) {
 569      _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
 570  
 571      get_links($category, $before, $after, $between, $show_images, $orderby, $show_description, true, $limit, $show_updated);
 572  }
 573  
 574  /**
 575   * Gets the auto_toggle setting.
 576   *
 577   * @since 0.71
 578   * @deprecated 2.1.0
 579   *
 580   * @param int $id The category to get. If no category supplied uses 0
 581   * @return int Only returns 0.
 582   */
 583  function get_autotoggle($id = 0) {
 584      _deprecated_function( __FUNCTION__, '2.1.0' );
 585      return 0;
 586  }
 587  
 588  /**
 589   * Lists categories.
 590   *
 591   * @since 0.71
 592   * @deprecated 2.1.0 Use wp_list_categories()
 593   * @see wp_list_categories()
 594   *
 595   * @param int $optionall
 596   * @param string $all
 597   * @param string $sort_column
 598   * @param string $sort_order
 599   * @param string $file
 600   * @param bool $list
 601   * @param int $optiondates
 602   * @param int $optioncount
 603   * @param int $hide_empty
 604   * @param int $use_desc_for_title
 605   * @param bool $children
 606   * @param int $child_of
 607   * @param int $categories
 608   * @param int $recurse
 609   * @param string $feed
 610   * @param string $feed_image
 611   * @param string $exclude
 612   * @param bool $hierarchical
 613   * @return false|null
 614   */
 615  function list_cats($optionall = 1, $all = 'All', $sort_column = 'ID', $sort_order = 'asc', $file = '', $list = true, $optiondates = 0,
 616                  $optioncount = 0, $hide_empty = 1, $use_desc_for_title = 1, $children=false, $child_of=0, $categories=0,
 617                  $recurse=0, $feed = '', $feed_image = '', $exclude = '', $hierarchical=false) {
 618      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_categories()' );
 619  
 620      $query = compact('optionall', 'all', 'sort_column', 'sort_order', 'file', 'list', 'optiondates', 'optioncount', 'hide_empty', 'use_desc_for_title', 'children',
 621          'child_of', 'categories', 'recurse', 'feed', 'feed_image', 'exclude', 'hierarchical');
 622      return wp_list_cats($query);
 623  }
 624  
 625  /**
 626   * Lists categories.
 627   *
 628   * @since 1.2.0
 629   * @deprecated 2.1.0 Use wp_list_categories()
 630   * @see wp_list_categories()
 631   *
 632   * @param string|array $args
 633   * @return false|null|string
 634   */
 635  function wp_list_cats($args = '') {
 636      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_categories()' );
 637  
 638      $r = wp_parse_args( $args );
 639  
 640      // Map to new names.
 641      if ( isset($r['optionall']) && isset($r['all']))
 642          $r['show_option_all'] = $r['all'];
 643      if ( isset($r['sort_column']) )
 644          $r['orderby'] = $r['sort_column'];
 645      if ( isset($r['sort_order']) )
 646          $r['order'] = $r['sort_order'];
 647      if ( isset($r['optiondates']) )
 648          $r['show_last_update'] = $r['optiondates'];
 649      if ( isset($r['optioncount']) )
 650          $r['show_count'] = $r['optioncount'];
 651      if ( isset($r['list']) )
 652          $r['style'] = $r['list'] ? 'list' : 'break';
 653      $r['title_li'] = '';
 654  
 655      return wp_list_categories($r);
 656  }
 657  
 658  /**
 659   * Deprecated method for generating a drop-down of categories.
 660   *
 661   * @since 0.71
 662   * @deprecated 2.1.0 Use wp_dropdown_categories()
 663   * @see wp_dropdown_categories()
 664   *
 665   * @param int $optionall
 666   * @param string $all
 667   * @param string $orderby
 668   * @param string $order
 669   * @param int $show_last_update
 670   * @param int $show_count
 671   * @param int $hide_empty
 672   * @param bool $optionnone
 673   * @param int $selected
 674   * @param int $exclude
 675   * @return string
 676   */
 677  function dropdown_cats($optionall = 1, $all = 'All', $orderby = 'ID', $order = 'asc',
 678          $show_last_update = 0, $show_count = 0, $hide_empty = 1, $optionnone = false,
 679          $selected = 0, $exclude = 0) {
 680      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_dropdown_categories()' );
 681  
 682      $show_option_all = '';
 683      if ( $optionall )
 684          $show_option_all = $all;
 685  
 686      $show_option_none = '';
 687      if ( $optionnone )
 688          $show_option_none = __('None');
 689  
 690      $vars = compact('show_option_all', 'show_option_none', 'orderby', 'order',
 691                      'show_last_update', 'show_count', 'hide_empty', 'selected', 'exclude');
 692      $query = add_query_arg($vars, '');
 693      return wp_dropdown_categories($query);
 694  }
 695  
 696  /**
 697   * Lists authors.
 698   *
 699   * @since 1.2.0
 700   * @deprecated 2.1.0 Use wp_list_authors()
 701   * @see wp_list_authors()
 702   *
 703   * @param bool $optioncount
 704   * @param bool $exclude_admin
 705   * @param bool $show_fullname
 706   * @param bool $hide_empty
 707   * @param string $feed
 708   * @param string $feed_image
 709   * @return null|string
 710   */
 711  function list_authors($optioncount = false, $exclude_admin = true, $show_fullname = false, $hide_empty = true, $feed = '', $feed_image = '') {
 712      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_authors()' );
 713  
 714      $args = compact('optioncount', 'exclude_admin', 'show_fullname', 'hide_empty', 'feed', 'feed_image');
 715      return wp_list_authors($args);
 716  }
 717  
 718  /**
 719   * Retrieves a list of post categories.
 720   *
 721   * @since 1.0.1
 722   * @deprecated 2.1.0 Use wp_get_post_categories()
 723   * @see wp_get_post_categories()
 724   *
 725   * @param int $blogid Not Used
 726   * @param int $post_ID
 727   * @return array
 728   */
 729  function wp_get_post_cats($blogid = '1', $post_ID = 0) {
 730      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_get_post_categories()' );
 731      return wp_get_post_categories($post_ID);
 732  }
 733  
 734  /**
 735   * Sets the categories that the post id belongs to.
 736   *
 737   * @since 1.0.1
 738   * @deprecated 2.1.0
 739   * @deprecated Use wp_set_post_categories()
 740   * @see wp_set_post_categories()
 741   *
 742   * @param int $blogid Not used
 743   * @param int $post_ID
 744   * @param array $post_categories
 745   * @return bool|mixed
 746   */
 747  function wp_set_post_cats($blogid = '1', $post_ID = 0, $post_categories = array()) {
 748      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_set_post_categories()' );
 749      return wp_set_post_categories($post_ID, $post_categories);
 750  }
 751  
 752  /**
 753   * Retrieves a list of archives.
 754   *
 755   * @since 0.71
 756   * @deprecated 2.1.0 Use wp_get_archives()
 757   * @see wp_get_archives()
 758   *
 759   * @param string $type
 760   * @param string $limit
 761   * @param string $format
 762   * @param string $before
 763   * @param string $after
 764   * @param bool $show_post_count
 765   * @return string|null
 766   */
 767  function get_archives($type='', $limit='', $format='html', $before = '', $after = '', $show_post_count = false) {
 768      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_get_archives()' );
 769      $args = compact('type', 'limit', 'format', 'before', 'after', 'show_post_count');
 770      return wp_get_archives($args);
 771  }
 772  
 773  /**
 774   * Returns or Prints link to the author's posts.
 775   *
 776   * @since 1.2.0
 777   * @deprecated 2.1.0 Use get_author_posts_url()
 778   * @see get_author_posts_url()
 779   *
 780   * @param bool $echo
 781   * @param int $author_id
 782   * @param string $author_nicename Optional.
 783   * @return string|null
 784   */
 785  function get_author_link($echo, $author_id, $author_nicename = '') {
 786      _deprecated_function( __FUNCTION__, '2.1.0', 'get_author_posts_url()' );
 787  
 788      $link = get_author_posts_url($author_id, $author_nicename);
 789  
 790      if ( $echo )
 791          echo $link;
 792      return $link;
 793  }
 794  
 795  /**
 796   * Print list of pages based on arguments.
 797   *
 798   * @since 0.71
 799   * @deprecated 2.1.0 Use wp_link_pages()
 800   * @see wp_link_pages()
 801   *
 802   * @param string $before
 803   * @param string $after
 804   * @param string $next_or_number
 805   * @param string $nextpagelink
 806   * @param string $previouspagelink
 807   * @param string $pagelink
 808   * @param string $more_file
 809   * @return string
 810   */
 811  function link_pages($before='<br />', $after='<br />', $next_or_number='number', $nextpagelink='next page', $previouspagelink='previous page',
 812                      $pagelink='%', $more_file='') {
 813      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_link_pages()' );
 814  
 815      $args = compact('before', 'after', 'next_or_number', 'nextpagelink', 'previouspagelink', 'pagelink', 'more_file');
 816      return wp_link_pages($args);
 817  }
 818  
 819  /**
 820   * Get value based on option.
 821   *
 822   * @since 0.71
 823   * @deprecated 2.1.0 Use get_option()
 824   * @see get_option()
 825   *
 826   * @param string $option
 827   * @return string
 828   */
 829  function get_settings($option) {
 830      _deprecated_function( __FUNCTION__, '2.1.0', 'get_option()' );
 831  
 832      return get_option($option);
 833  }
 834  
 835  /**
 836   * Print the permalink of the current post in the loop.
 837   *
 838   * @since 0.71
 839   * @deprecated 1.2.0 Use the_permalink()
 840   * @see the_permalink()
 841   */
 842  function permalink_link() {
 843      _deprecated_function( __FUNCTION__, '1.2.0', 'the_permalink()' );
 844      the_permalink();
 845  }
 846  
 847  /**
 848   * Print the permalink to the RSS feed.
 849   *
 850   * @since 0.71
 851   * @deprecated 2.3.0 Use the_permalink_rss()
 852   * @see the_permalink_rss()
 853   *
 854   * @param string $deprecated
 855   */
 856  function permalink_single_rss($deprecated = '') {
 857      _deprecated_function( __FUNCTION__, '2.3.0', 'the_permalink_rss()' );
 858      the_permalink_rss();
 859  }
 860  
 861  /**
 862   * Gets the links associated with category.
 863   *
 864   * @since 1.0.1
 865   * @deprecated 2.1.0 Use wp_list_bookmarks()
 866   * @see wp_list_bookmarks()
 867   *
 868   * @param string $args a query string
 869   * @return null|string
 870   */
 871  function wp_get_links($args = '') {
 872      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_bookmarks()' );
 873  
 874      if ( strpos( $args, '=' ) === false ) {
 875          $cat_id = $args;
 876          $args = add_query_arg( 'category', $cat_id, $args );
 877      }
 878  
 879      $defaults = array(
 880          'after' => '<br />',
 881          'before' => '',
 882          'between' => ' ',
 883          'categorize' => 0,
 884          'category' => '',
 885          'echo' => true,
 886          'limit' => -1,
 887          'orderby' => 'name',
 888          'show_description' => true,
 889          'show_images' => true,
 890          'show_rating' => false,
 891          'show_updated' => true,
 892          'title_li' => '',
 893      );
 894  
 895      $r = wp_parse_args( $args, $defaults );
 896  
 897      return wp_list_bookmarks($r);
 898  }
 899  
 900  /**
 901   * Gets the links associated with category by id.
 902   *
 903   * @since 0.71
 904   * @deprecated 2.1.0 Use get_bookmarks()
 905   * @see get_bookmarks()
 906   *
 907   * @param int $category The category to use. If no category supplied uses all
 908   * @param string $before the html to output before the link
 909   * @param string $after the html to output after the link
 910   * @param string $between the html to output between the link/image and its description.
 911   *        Not used if no image or show_images == true
 912   * @param bool $show_images whether to show images (if defined).
 913   * @param string $orderby the order to output the links. E.g. 'id', 'name', 'url',
 914   *        'description', or 'rating'. Or maybe owner. If you start the name with an
 915   *        underscore the order will be reversed. You can also specify 'rand' as the order
 916   *        which will return links in a random order.
 917   * @param bool $show_description whether to show the description if show_images=false/not defined.
 918   * @param bool $show_rating show rating stars/chars
 919   * @param int $limit Limit to X entries. If not specified, all entries are shown.
 920   * @param int $show_updated whether to show last updated timestamp
 921   * @param bool $echo whether to echo the results, or return them instead
 922   * @return null|string
 923   */
 924  function get_links($category = -1, $before = '', $after = '<br />', $between = ' ', $show_images = true, $orderby = 'name',
 925              $show_description = true, $show_rating = false, $limit = -1, $show_updated = 1, $echo = true) {
 926      _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
 927  
 928      $order = 'ASC';
 929      if ( substr($orderby, 0, 1) == '_' ) {
 930          $order = 'DESC';
 931          $orderby = substr($orderby, 1);
 932      }
 933  
 934      if ( $category == -1 ) //get_bookmarks uses '' to signify all categories
 935          $category = '';
 936  
 937      $results = get_bookmarks(array('category' => $category, 'orderby' => $orderby, 'order' => $order, 'show_updated' => $show_updated, 'limit' => $limit));
 938  
 939      if ( !$results )
 940          return;
 941  
 942      $output = '';
 943  
 944      foreach ( (array) $results as $row ) {
 945          if ( !isset($row->recently_updated) )
 946              $row->recently_updated = false;
 947          $output .= $before;
 948          if ( $show_updated && $row->recently_updated )
 949              $output .= get_option('links_recently_updated_prepend');
 950          $the_link = '#';
 951          if ( !empty($row->link_url) )
 952              $the_link = esc_url($row->link_url);
 953          $rel = $row->link_rel;
 954          if ( '' != $rel )
 955              $rel = ' rel="' . $rel . '"';
 956  
 957          $desc = esc_attr(sanitize_bookmark_field('link_description', $row->link_description, $row->link_id, 'display'));
 958          $name = esc_attr(sanitize_bookmark_field('link_name', $row->link_name, $row->link_id, 'display'));
 959          $title = $desc;
 960  
 961          if ( $show_updated )
 962              if (substr($row->link_updated_f, 0, 2) != '00')
 963                  $title .= ' ('.__('Last updated') . ' ' . gmdate(get_option('links_updated_date_format'), $row->link_updated_f + (get_option('gmt_offset') * HOUR_IN_SECONDS)) . ')';
 964  
 965          if ( '' != $title )
 966              $title = ' title="' . $title . '"';
 967  
 968          $alt = ' alt="' . $name . '"';
 969  
 970          $target = $row->link_target;
 971          if ( '' != $target )
 972              $target = ' target="' . $target . '"';
 973  
 974          $output .= '<a href="' . $the_link . '"' . $rel . $title . $target. '>';
 975  
 976          if ( $row->link_image != null && $show_images ) {
 977              if ( strpos($row->link_image, 'http') !== false )
 978                  $output .= "<img src=\"$row->link_image\" $alt $title />";
 979              else // If it's a relative path
 980                  $output .= "<img src=\"" . get_option('siteurl') . "$row->link_image\" $alt $title />";
 981          } else {
 982              $output .= $name;
 983          }
 984  
 985          $output .= '</a>';
 986  
 987          if ( $show_updated && $row->recently_updated )
 988              $output .= get_option('links_recently_updated_append');
 989  
 990          if ( $show_description && '' != $desc )
 991              $output .= $between . $desc;
 992  
 993          if ($show_rating) {
 994              $output .= $between . get_linkrating($row);
 995          }
 996  
 997          $output .= "$after\n";
 998      } // end while
 999  
1000      if ( !$echo )
1001          return $output;
1002      echo $output;
1003  }
1004  
1005  /**
1006   * Output entire list of links by category.
1007   *
1008   * Output a list of all links, listed by category, using the settings in
1009   * $wpdb->linkcategories and output it as a nested HTML unordered list.
1010   *
1011   * @since 1.0.1
1012   * @deprecated 2.1.0 Use wp_list_bookmarks()
1013   * @see wp_list_bookmarks()
1014   *
1015   * @param string $order Sort link categories by 'name' or 'id'
1016   */
1017  function get_links_list($order = 'name') {
1018      _deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_bookmarks()' );
1019  
1020      $order = strtolower($order);
1021  
1022      // Handle link category sorting
1023      $direction = 'ASC';
1024      if ( '_' == substr($order,0,1) ) {
1025          $direction = 'DESC';
1026          $order = substr($order,1);
1027      }
1028  
1029      if ( !isset($direction) )
1030          $direction = '';
1031  
1032      $cats = get_categories(array('type' => 'link', 'orderby' => $order, 'order' => $direction, 'hierarchical' => 0));
1033  
1034      // Display each category
1035      if ( $cats ) {
1036          foreach ( (array) $cats as $cat ) {
1037              // Handle each category.
1038  
1039              // Display the category name
1040              echo '  <li id="linkcat-' . $cat->term_id . '" class="linkcat"><h2>' . apply_filters('link_category', $cat->name ) . "</h2>\n\t<ul>\n";
1041              // Call get_links() with all the appropriate params
1042              get_links($cat->term_id, '<li>', "</li>", "\n", true, 'name', false);
1043  
1044              // Close the last category
1045              echo "\n\t</ul>\n</li>\n";
1046          }
1047      }
1048  }
1049  
1050  /**
1051   * Show the link to the links popup and the number of links.
1052   *
1053   * @since 0.71
1054   * @deprecated 2.1.0
1055   *
1056   * @param string $text the text of the link
1057   * @param int $width the width of the popup window
1058   * @param int $height the height of the popup window
1059   * @param string $file the page to open in the popup window
1060   * @param bool $count the number of links in the db
1061   */
1062  function links_popup_script($text = 'Links', $width=400, $height=400, $file='links.all.php', $count = true) {
1063      _deprecated_function( __FUNCTION__, '2.1.0' );
1064  }
1065  
1066  /**
1067   * Legacy function that retrieved the value of a link's link_rating field.
1068   *
1069   * @since 1.0.1
1070   * @deprecated 2.1.0 Use sanitize_bookmark_field()
1071   * @see sanitize_bookmark_field()
1072   *
1073   * @param object $link Link object.
1074   * @return mixed Value of the 'link_rating' field, false otherwise.
1075   */
1076  function get_linkrating( $link ) {
1077      _deprecated_function( __FUNCTION__, '2.1.0', 'sanitize_bookmark_field()' );
1078      return sanitize_bookmark_field('link_rating', $link->link_rating, $link->link_id, 'display');
1079  }
1080  
1081  /**
1082   * Gets the name of category by id.
1083   *
1084   * @since 0.71
1085   * @deprecated 2.1.0 Use get_category()
1086   * @see get_category()
1087   *
1088   * @param int $id The category to get. If no category supplied uses 0
1089   * @return string
1090   */
1091  function get_linkcatname($id = 0) {
1092      _deprecated_function( __FUNCTION__, '2.1.0', 'get_category()' );
1093  
1094      $id = (int) $id;
1095  
1096      if ( empty($id) )
1097          return '';
1098  
1099      $cats = wp_get_link_cats($id);
1100  
1101      if ( empty($cats) || ! is_array($cats) )
1102          return '';
1103  
1104      $cat_id = (int) $cats[0]; // Take the first cat.
1105  
1106      $cat = get_category($cat_id);
1107      return $cat->name;
1108  }
1109  
1110  /**
1111   * Print RSS comment feed link.
1112   *
1113   * @since 1.0.1
1114   * @deprecated 2.5.0 Use post_comments_feed_link()
1115   * @see post_comments_feed_link()
1116   *
1117   * @param string $link_text
1118   */
1119  function comments_rss_link($link_text = 'Comments RSS') {
1120      _deprecated_function( __FUNCTION__, '2.5.0', 'post_comments_feed_link()' );
1121      post_comments_feed_link($link_text);
1122  }
1123  
1124  /**
1125   * Print/Return link to category RSS2 feed.
1126   *
1127   * @since 1.2.0
1128   * @deprecated 2.5.0 Use get_category_feed_link()
1129   * @see get_category_feed_link()
1130   *
1131   * @param bool $echo
1132   * @param int $cat_ID
1133   * @return string
1134   */
1135  function get_category_rss_link($echo = false, $cat_ID = 1) {
1136      _deprecated_function( __FUNCTION__, '2.5.0', 'get_category_feed_link()' );
1137  
1138      $link = get_category_feed_link($cat_ID, 'rss2');
1139  
1140      if ( $echo )
1141          echo $link;
1142      return $link;
1143  }
1144  
1145  /**
1146   * Print/Return link to author RSS feed.
1147   *
1148   * @since 1.2.0
1149   * @deprecated 2.5.0 Use get_author_feed_link()
1150   * @see get_author_feed_link()
1151   *
1152   * @param bool $echo
1153   * @param int $author_id
1154   * @return string
1155   */
1156  function get_author_rss_link($echo = false, $author_id = 1) {
1157      _deprecated_function( __FUNCTION__, '2.5.0', 'get_author_feed_link()' );
1158  
1159      $link = get_author_feed_link($author_id);
1160      if ( $echo )
1161          echo $link;
1162      return $link;
1163  }
1164  
1165  /**
1166   * Return link to the post RSS feed.
1167   *
1168   * @since 1.5.0
1169   * @deprecated 2.2.0 Use get_post_comments_feed_link()
1170   * @see get_post_comments_feed_link()
1171   *
1172   * @return string
1173   */
1174  function comments_rss() {
1175      _deprecated_function( __FUNCTION__, '2.2.0', 'get_post_comments_feed_link()' );
1176      return esc_url( get_post_comments_feed_link() );
1177  }
1178  
1179  /**
1180   * An alias of wp_create_user().
1181   *
1182   * @since 2.0.0
1183   * @deprecated 2.0.0 Use wp_create_user()
1184   * @see wp_create_user()
1185   *
1186   * @param string $username The user's username.
1187   * @param string $password The user's password.
1188   * @param string $email    The user's email.
1189   * @return int The new user's ID.
1190   */
1191  function create_user($username, $password, $email) {
1192      _deprecated_function( __FUNCTION__, '2.0.0', 'wp_create_user()' );
1193      return wp_create_user($username, $password, $email);
1194  }
1195  
1196  /**
1197   * Unused function.
1198   *
1199   * @deprecated 2.5.0
1200   */
1201  function gzip_compression() {
1202      _deprecated_function( __FUNCTION__, '2.5.0' );
1203      return false;
1204  }
1205  
1206  /**
1207   * Retrieve an array of comment data about comment $comment_ID.
1208   *
1209   * @since 0.71
1210   * @deprecated 2.7.0 Use get_comment()
1211   * @see get_comment()
1212   *
1213   * @param int $comment_ID The ID of the comment
1214   * @param int $no_cache Whether to use the cache (cast to bool)
1215   * @param bool $include_unapproved Whether to include unapproved comments
1216   * @return array The comment data
1217   */
1218  function get_commentdata( $comment_ID, $no_cache = 0, $include_unapproved = false ) {
1219      _deprecated_function( __FUNCTION__, '2.7.0', 'get_comment()' );
1220      return get_comment($comment_ID, ARRAY_A);
1221  }
1222  
1223  /**
1224   * Retrieve the category name by the category ID.
1225   *
1226   * @since 0.71
1227   * @deprecated 2.8.0 Use get_cat_name()
1228   * @see get_cat_name()
1229   *
1230   * @param int $cat_ID Category ID
1231   * @return string category name
1232   */
1233  function get_catname( $cat_ID ) {
1234      _deprecated_function( __FUNCTION__, '2.8.0', 'get_cat_name()' );
1235      return get_cat_name( $cat_ID );
1236  }
1237  
1238  /**
1239   * Retrieve category children list separated before and after the term IDs.
1240   *
1241   * @since 1.2.0
1242   * @deprecated 2.8.0 Use get_term_children()
1243   * @see get_term_children()
1244   *
1245   * @param int $id Category ID to retrieve children.
1246   * @param string $before Optional. Prepend before category term ID.
1247   * @param string $after Optional, default is empty string. Append after category term ID.
1248   * @param array $visited Optional. Category Term IDs that have already been added.
1249   * @return string
1250   */
1251  function get_category_children( $id, $before = '/', $after = '', $visited = array() ) {
1252      _deprecated_function( __FUNCTION__, '2.8.0', 'get_term_children()' );
1253      if ( 0 == $id )
1254          return '';
1255  
1256      $chain = '';
1257      /** TODO: consult hierarchy */
1258      $cat_ids = get_all_category_ids();
1259      foreach ( (array) $cat_ids as $cat_id ) {
1260          if ( $cat_id == $id )
1261              continue;
1262  
1263          $category = get_category( $cat_id );
1264          if ( is_wp_error( $category ) )
1265              return $category;
1266          if ( $category->parent == $id && !in_array( $category->term_id, $visited ) ) {
1267              $visited[] = $category->term_id;
1268              $chain .= $before.$category->term_id.$after;
1269              $chain .= get_category_children( $category->term_id, $before, $after );
1270          }
1271      }
1272      return $chain;
1273  }
1274  
1275  /**
1276   * Retrieves all category IDs.
1277   *
1278   * @since 2.0.0
1279   * @deprecated 4.0.0 Use get_terms()
1280   * @see get_terms()
1281   *
1282   * @link https://codex.wordpress.org/Function_Reference/get_all_category_ids
1283   *
1284   * @return object List of all of the category IDs.
1285   */
1286  function get_all_category_ids() {
1287      _deprecated_function( __FUNCTION__, '4.0.0', 'get_terms()' );
1288  
1289      if ( ! $cat_ids = wp_cache_get( 'all_category_ids', 'category' ) ) {
1290          $cat_ids = get_terms( 'category', array('fields' => 'ids', 'get' => 'all') );
1291          wp_cache_add( 'all_category_ids', $cat_ids, 'category' );
1292      }
1293  
1294      return $cat_ids;
1295  }
1296  
1297  /**
1298   * Retrieve the description of the author of the current post.
1299   *
1300   * @since 1.5.0
1301   * @deprecated 2.8.0 Use get_the_author_meta()
1302   * @see get_the_author_meta()
1303   *
1304   * @return string The author's description.
1305   */
1306  function get_the_author_description() {
1307      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'description\')' );
1308      return get_the_author_meta('description');
1309  }
1310  
1311  /**
1312   * Display the description of the author of the current post.
1313   *
1314   * @since 1.0.0
1315   * @deprecated 2.8.0 Use the_author_meta()
1316   * @see the_author_meta()
1317   */
1318  function the_author_description() {
1319      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'description\')' );
1320      the_author_meta('description');
1321  }
1322  
1323  /**
1324   * Retrieve the login name of the author of the current post.
1325   *
1326   * @since 1.5.0
1327   * @deprecated 2.8.0 Use get_the_author_meta()
1328   * @see get_the_author_meta()
1329   *
1330   * @return string The author's login name (username).
1331   */
1332  function get_the_author_login() {
1333      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'login\')' );
1334      return get_the_author_meta('login');
1335  }
1336  
1337  /**
1338   * Display the login name of the author of the current post.
1339   *
1340   * @since 0.71
1341   * @deprecated 2.8.0 Use the_author_meta()
1342   * @see the_author_meta()
1343   */
1344  function the_author_login() {
1345      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'login\')' );
1346      the_author_meta('login');
1347  }
1348  
1349  /**
1350   * Retrieve the first name of the author of the current post.
1351   *
1352   * @since 1.5.0
1353   * @deprecated 2.8.0 Use get_the_author_meta()
1354   * @see get_the_author_meta()
1355   *
1356   * @return string The author's first name.
1357   */
1358  function get_the_author_firstname() {
1359      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'first_name\')' );
1360      return get_the_author_meta('first_name');
1361  }
1362  
1363  /**
1364   * Display the first name of the author of the current post.
1365   *
1366   * @since 0.71
1367   * @deprecated 2.8.0 Use the_author_meta()
1368   * @see the_author_meta()
1369   */
1370  function the_author_firstname() {
1371      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'first_name\')' );
1372      the_author_meta('first_name');
1373  }
1374  
1375  /**
1376   * Retrieve the last name of the author of the current post.
1377   *
1378   * @since 1.5.0
1379   * @deprecated 2.8.0 Use get_the_author_meta()
1380   * @see get_the_author_meta()
1381   *
1382   * @return string The author's last name.
1383   */
1384  function get_the_author_lastname() {
1385      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'last_name\')' );
1386      return get_the_author_meta('last_name');
1387  }
1388  
1389  /**
1390   * Display the last name of the author of the current post.
1391   *
1392   * @since 0.71
1393   * @deprecated 2.8.0 Use the_author_meta()
1394   * @see the_author_meta()
1395   */
1396  function the_author_lastname() {
1397      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'last_name\')' );
1398      the_author_meta('last_name');
1399  }
1400  
1401  /**
1402   * Retrieve the nickname of the author of the current post.
1403   *
1404   * @since 1.5.0
1405   * @deprecated 2.8.0 Use get_the_author_meta()
1406   * @see get_the_author_meta()
1407   *
1408   * @return string The author's nickname.
1409   */
1410  function get_the_author_nickname() {
1411      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'nickname\')' );
1412      return get_the_author_meta('nickname');
1413  }
1414  
1415  /**
1416   * Display the nickname of the author of the current post.
1417   *
1418   * @since 0.71
1419   * @deprecated 2.8.0 Use the_author_meta()
1420   * @see the_author_meta()
1421   */
1422  function the_author_nickname() {
1423      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'nickname\')' );
1424      the_author_meta('nickname');
1425  }
1426  
1427  /**
1428   * Retrieve the email of the author of the current post.
1429   *
1430   * @since 1.5.0
1431   * @deprecated 2.8.0 Use get_the_author_meta()
1432   * @see get_the_author_meta()
1433   *
1434   * @return string The author's username.
1435   */
1436  function get_the_author_email() {
1437      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'email\')' );
1438      return get_the_author_meta('email');
1439  }
1440  
1441  /**
1442   * Display the email of the author of the current post.
1443   *
1444   * @since 0.71
1445   * @deprecated 2.8.0 Use the_author_meta()
1446   * @see the_author_meta()
1447   */
1448  function the_author_email() {
1449      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'email\')' );
1450      the_author_meta('email');
1451  }
1452  
1453  /**
1454   * Retrieve the ICQ number of the author of the current post.
1455   *
1456   * @since 1.5.0
1457   * @deprecated 2.8.0 Use get_the_author_meta()
1458   * @see get_the_author_meta()
1459   *
1460   * @return string The author's ICQ number.
1461   */
1462  function get_the_author_icq() {
1463      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'icq\')' );
1464      return get_the_author_meta('icq');
1465  }
1466  
1467  /**
1468   * Display the ICQ number of the author of the current post.
1469   *
1470   * @since 0.71
1471   * @deprecated 2.8.0 Use the_author_meta()
1472   * @see the_author_meta()
1473   */
1474  function the_author_icq() {
1475      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'icq\')' );
1476      the_author_meta('icq');
1477  }
1478  
1479  /**
1480   * Retrieve the Yahoo! IM name of the author of the current post.
1481   *
1482   * @since 1.5.0
1483   * @deprecated 2.8.0 Use get_the_author_meta()
1484   * @see get_the_author_meta()
1485   *
1486   * @return string The author's Yahoo! IM name.
1487   */
1488  function get_the_author_yim() {
1489      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'yim\')' );
1490      return get_the_author_meta('yim');
1491  }
1492  
1493  /**
1494   * Display the Yahoo! IM name of the author of the current post.
1495   *
1496   * @since 0.71
1497   * @deprecated 2.8.0 Use the_author_meta()
1498   * @see the_author_meta()
1499   */
1500  function the_author_yim() {
1501      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'yim\')' );
1502      the_author_meta('yim');
1503  }
1504  
1505  /**
1506   * Retrieve the MSN address of the author of the current post.
1507   *
1508   * @since 1.5.0
1509   * @deprecated 2.8.0 Use get_the_author_meta()
1510   * @see get_the_author_meta()
1511   *
1512   * @return string The author's MSN address.
1513   */
1514  function get_the_author_msn() {
1515      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'msn\')' );
1516      return get_the_author_meta('msn');
1517  }
1518  
1519  /**
1520   * Display the MSN address of the author of the current post.
1521   *
1522   * @since 0.71
1523   * @deprecated 2.8.0 Use the_author_meta()
1524   * @see the_author_meta()
1525   */
1526  function the_author_msn() {
1527      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'msn\')' );
1528      the_author_meta('msn');
1529  }
1530  
1531  /**
1532   * Retrieve the AIM address of the author of the current post.
1533   *
1534   * @since 1.5.0
1535   * @deprecated 2.8.0 Use get_the_author_meta()
1536   * @see get_the_author_meta()
1537   *
1538   * @return string The author's AIM address.
1539   */
1540  function get_the_author_aim() {
1541      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'aim\')' );
1542      return get_the_author_meta('aim');
1543  }
1544  
1545  /**
1546   * Display the AIM address of the author of the current post.
1547   *
1548   * @since 0.71
1549   * @deprecated 2.8.0 Use the_author_meta('aim')
1550   * @see the_author_meta()
1551   */
1552  function the_author_aim() {
1553      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'aim\')' );
1554      the_author_meta('aim');
1555  }
1556  
1557  /**
1558   * Retrieve the specified author's preferred display name.
1559   *
1560   * @since 1.0.0
1561   * @deprecated 2.8.0 Use get_the_author_meta()
1562   * @see get_the_author_meta()
1563   *
1564   * @param int $auth_id The ID of the author.
1565   * @return string The author's display name.
1566   */
1567  function get_author_name( $auth_id = false ) {
1568      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'display_name\')' );
1569      return get_the_author_meta('display_name', $auth_id);
1570  }
1571  
1572  /**
1573   * Retrieve the URL to the home page of the author of the current post.
1574   *
1575   * @since 1.5.0
1576   * @deprecated 2.8.0 Use get_the_author_meta()
1577   * @see get_the_author_meta()
1578   *
1579   * @return string The URL to the author's page.
1580   */
1581  function get_the_author_url() {
1582      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'url\')' );
1583      return get_the_author_meta('url');
1584  }
1585  
1586  /**
1587   * Display the URL to the home page of the author of the current post.
1588   *
1589   * @since 0.71
1590   * @deprecated 2.8.0 Use the_author_meta()
1591   * @see the_author_meta()
1592   */
1593  function the_author_url() {
1594      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'url\')' );
1595      the_author_meta('url');
1596  }
1597  
1598  /**
1599   * Retrieve the ID of the author of the current post.
1600   *
1601   * @since 1.5.0
1602   * @deprecated 2.8.0 Use get_the_author_meta()
1603   * @see get_the_author_meta()
1604   *
1605   * @return string|int The author's ID.
1606   */
1607  function get_the_author_ID() {
1608      _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'ID\')' );
1609      return get_the_author_meta('ID');
1610  }
1611  
1612  /**
1613   * Display the ID of the author of the current post.
1614   *
1615   * @since 0.71
1616   * @deprecated 2.8.0 Use the_author_meta()
1617   * @see the_author_meta()
1618   */
1619  function the_author_ID() {
1620      _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'ID\')' );
1621      the_author_meta('ID');
1622  }
1623  
1624  /**
1625   * Display the post content for the feed.
1626   *
1627   * For encoding the html or the $encode_html parameter, there are three possible
1628   * values. '0' will make urls footnotes and use make_url_footnote(). '1' will
1629   * encode special characters and automatically display all of the content. The
1630   * value of '2' will strip all HTML tags from the content.
1631   *
1632   * Also note that you cannot set the amount of words and not set the html
1633   * encoding. If that is the case, then the html encoding will default to 2,
1634   * which will strip all HTML tags.
1635   *
1636   * To restrict the amount of words of the content, you can use the cut
1637   * parameter. If the content is less than the amount, then there won't be any
1638   * dots added to the end. If there is content left over, then dots will be added
1639   * and the rest of the content will be removed.
1640   *
1641   * @since 0.71
1642   *
1643   * @deprecated 2.9.0 Use the_content_feed()
1644   * @see the_content_feed()
1645   *
1646   * @param string $more_link_text Optional. Text to display when more content is available but not displayed.
1647   * @param int $stripteaser Optional. Default is 0.
1648   * @param string $more_file Optional.
1649   * @param int $cut Optional. Amount of words to keep for the content.
1650   * @param int $encode_html Optional. How to encode the content.
1651   */
1652  function the_content_rss($more_link_text='(more...)', $stripteaser=0, $more_file='', $cut = 0, $encode_html = 0) {
1653      _deprecated_function( __FUNCTION__, '2.9.0', 'the_content_feed()' );
1654      $content = get_the_content($more_link_text, $stripteaser);
1655  
1656      /**
1657       * Filters the post content in the context of an RSS feed.
1658       *
1659       * @since 0.71
1660       *
1661       * @param string $content Content of the current post.
1662       */
1663      $content = apply_filters('the_content_rss', $content);
1664      if ( $cut && !$encode_html )
1665          $encode_html = 2;
1666      if ( 1== $encode_html ) {
1667          $content = esc_html($content);
1668          $cut = 0;
1669      } elseif ( 0 == $encode_html ) {
1670          $content = make_url_footnote($content);
1671      } elseif ( 2 == $encode_html ) {
1672          $content = strip_tags($content);
1673      }
1674      if ( $cut ) {
1675          $blah = explode(' ', $content);
1676          if ( count($blah) > $cut ) {
1677              $k = $cut;
1678              $use_dotdotdot = 1;
1679          } else {
1680              $k = count($blah);
1681              $use_dotdotdot = 0;
1682          }
1683  
1684          /** @todo Check performance, might be faster to use array slice instead. */
1685          for ( $i=0; $i<$k; $i++ )
1686              $excerpt .= $blah[$i].' ';
1687          $excerpt .= ($use_dotdotdot) ? '...' : '';
1688          $content = $excerpt;
1689      }
1690      $content = str_replace(']]>', ']]&gt;', $content);
1691      echo $content;
1692  }
1693  
1694  /**
1695   * Strip HTML and put links at the bottom of stripped content.
1696   *
1697   * Searches for all of the links, strips them out of the content, and places
1698   * them at the bottom of the content with numbers.
1699   *
1700   * @since 0.71
1701   * @deprecated 2.9.0
1702   *
1703   * @param string $content Content to get links
1704   * @return string HTML stripped out of content with links at the bottom.
1705   */
1706  function make_url_footnote( $content ) {
1707      _deprecated_function( __FUNCTION__, '2.9.0', '' );
1708      preg_match_all( '/<a(.+?)href=\"(.+?)\"(.*?)>(.+?)<\/a>/', $content, $matches );
1709      $links_summary = "\n";
1710      for ( $i = 0, $c = count( $matches[0] ); $i < $c; $i++ ) {
1711          $link_match = $matches[0][$i];
1712          $link_number = '['.($i+1).']';
1713          $link_url = $matches[2][$i];
1714          $link_text = $matches[4][$i];
1715          $content = str_replace( $link_match, $link_text . ' ' . $link_number, $content );
1716          $link_url = ( ( strtolower( substr( $link_url, 0, 7 ) ) != 'http://' ) && ( strtolower( substr( $link_url, 0, 8 ) ) != 'https://' ) ) ? get_option( 'home' ) . $link_url : $link_url;
1717          $links_summary .= "\n" . $link_number . ' ' . $link_url;
1718      }
1719      $content  = strip_tags( $content );
1720      $content .= $links_summary;
1721      return $content;
1722  }
1723  
1724  /**
1725   * Retrieve translated string with vertical bar context
1726   *
1727   * Quite a few times, there will be collisions with similar translatable text
1728   * found in more than two places but with different translated context.
1729   *
1730   * In order to use the separate contexts, the _c() function is used and the
1731   * translatable string uses a pipe ('|') which has the context the string is in.
1732   *
1733   * When the translated string is returned, it is everything before the pipe, not
1734   * including the pipe character. If there is no pipe in the translated text then
1735   * everything is returned.
1736   *
1737   * @since 2.2.0
1738   * @deprecated 2.9.0 Use _x()
1739   * @see _x()
1740   *
1741   * @param string $text Text to translate
1742   * @param string $domain Optional. Domain to retrieve the translated text
1743   * @return string Translated context string without pipe
1744   */
1745  function _c( $text, $domain = 'default' ) {
1746      _deprecated_function( __FUNCTION__, '2.9.0', '_x()' );
1747      return before_last_bar( translate( $text, $domain ) );
1748  }
1749  
1750  /**
1751   * Translates $text like translate(), but assumes that the text
1752   * contains a context after its last vertical bar.
1753   *
1754   * @since 2.5.0
1755   * @deprecated 3.0.0 Use _x()
1756   * @see _x()
1757   *
1758   * @param string $text Text to translate
1759   * @param string $domain Domain to retrieve the translated text
1760   * @return string Translated text
1761   */
1762  function translate_with_context( $text, $domain = 'default' ) {
1763      _deprecated_function( __FUNCTION__, '2.9.0', '_x()' );
1764      return before_last_bar( translate( $text, $domain ) );
1765  }
1766  
1767  /**
1768   * Legacy version of _n(), which supports contexts.
1769   *
1770   * Strips everything from the translation after the last bar.
1771   *
1772   * @since 2.7.0
1773   * @deprecated 3.0.0 Use _nx()
1774   * @see _nx()
1775   *
1776   * @param string $single The text to be used if the number is singular.
1777   * @param string $plural The text to be used if the number is plural.
1778   * @param int    $number The number to compare against to use either the singular or plural form.
1779   * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.
1780   *                       Default 'default'.
1781   * @return string The translated singular or plural form.
1782   */
1783  function _nc( $single, $plural, $number, $domain = 'default' ) {
1784      _deprecated_function( __FUNCTION__, '2.9.0', '_nx()' );
1785      return before_last_bar( _n( $single, $plural, $number, $domain ) );
1786  }
1787  
1788  /**
1789   * Retrieve the plural or single form based on the amount.
1790   *
1791   * @since 1.2.0
1792   * @deprecated 2.8.0 Use _n()
1793   * @see _n()
1794   */
1795  function __ngettext() {
1796      _deprecated_function( __FUNCTION__, '2.8.0', '_n()' );
1797      $args = func_get_args();
1798      return call_user_func_array('_n', $args);
1799  }
1800  
1801  /**
1802   * Register plural strings in POT file, but don't translate them.
1803   *
1804   * @since 2.5.0
1805   * @deprecated 2.8.0 Use _n_noop()
1806   * @see _n_noop()
1807   */
1808  function __ngettext_noop() {
1809      _deprecated_function( __FUNCTION__, '2.8.0', '_n_noop()' );
1810      $args = func_get_args();
1811      return call_user_func_array('_n_noop', $args);
1812  
1813  }
1814  
1815  /**
1816   * Retrieve all autoload options, or all options if no autoloaded ones exist.
1817   *
1818   * @since 1.0.0
1819   * @deprecated 3.0.0 Use wp_load_alloptions())
1820   * @see wp_load_alloptions()
1821   *
1822   * @return array List of all options.
1823   */
1824  function get_alloptions() {
1825      _deprecated_function( __FUNCTION__, '3.0.0', 'wp_load_alloptions()' );
1826      return wp_load_alloptions();
1827  }
1828  
1829  /**
1830   * Retrieve HTML content of attachment image with link.
1831   *
1832   * @since 2.0.0
1833   * @deprecated 2.5.0 Use wp_get_attachment_link()
1834   * @see wp_get_attachment_link()
1835   *
1836   * @param int $id Optional. Post ID.
1837   * @param bool $fullsize Optional, default is false. Whether to use full size image.
1838   * @param array $max_dims Optional. Max image dimensions.
1839   * @param bool $permalink Optional, default is false. Whether to include permalink to image.
1840   * @return string
1841   */
1842  function get_the_attachment_link($id = 0, $fullsize = false, $max_dims = false, $permalink = false) {
1843      _deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_link()' );
1844      $id = (int) $id;
1845      $_post = get_post($id);
1846  
1847      if ( ('attachment' != $_post->post_type) || !$url = wp_get_attachment_url($_post->ID) )
1848          return __('Missing Attachment');
1849  
1850      if ( $permalink )
1851          $url = get_attachment_link($_post->ID);
1852  
1853      $post_title = esc_attr($_post->post_title);
1854  
1855      $innerHTML = get_attachment_innerHTML($_post->ID, $fullsize, $max_dims);
1856      return "<a href='$url' title='$post_title'>$innerHTML</a>";
1857  }
1858  
1859  /**
1860   * Retrieve icon URL and Path.
1861   *
1862   * @since 2.1.0
1863   * @deprecated 2.5.0 Use wp_get_attachment_image_src()
1864   * @see wp_get_attachment_image_src()
1865   *
1866   * @param int $id Optional. Post ID.
1867   * @param bool $fullsize Optional, default to false. Whether to have full image.
1868   * @return array Icon URL and full path to file, respectively.
1869   */
1870  function get_attachment_icon_src( $id = 0, $fullsize = false ) {
1871      _deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_image_src()' );
1872      $id = (int) $id;
1873      if ( !$post = get_post($id) )
1874          return false;
1875  
1876      $file = get_attached_file( $post->ID );
1877  
1878      if ( !$fullsize && $src = wp_get_attachment_thumb_url( $post->ID ) ) {
1879          // We have a thumbnail desired, specified and existing
1880  
1881          $src_file = wp_basename($src);
1882      } elseif ( wp_attachment_is_image( $post->ID ) ) {
1883          // We have an image without a thumbnail
1884  
1885          $src = wp_get_attachment_url( $post->ID );
1886          $src_file = & $file;
1887      } elseif ( $src = wp_mime_type_icon( $post->ID ) ) {
1888          // No thumb, no image. We'll look for a mime-related icon instead.
1889  
1890          $icon_dir = apply_filters( 'icon_dir', get_template_directory() . '/images' );
1891          $src_file = $icon_dir . '/' . wp_basename($src);
1892      }
1893  
1894      if ( !isset($src) || !$src )
1895          return false;
1896  
1897      return array($src, $src_file);
1898  }
1899  
1900  /**
1901   * Retrieve HTML content of icon attachment image element.
1902   *
1903   * @since 2.0.0
1904   * @deprecated 2.5.0 Use wp_get_attachment_image()
1905   * @see wp_get_attachment_image()
1906   *
1907   * @param int $id Optional. Post ID.
1908   * @param bool $fullsize Optional, default to false. Whether to have full size image.
1909   * @param array $max_dims Optional. Dimensions of image.
1910   * @return false|string HTML content.
1911   */
1912  function get_attachment_icon( $id = 0, $fullsize = false, $max_dims = false ) {
1913      _deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_image()' );
1914      $id = (int) $id;
1915      if ( !$post = get_post($id) )
1916          return false;
1917  
1918      if ( !$src = get_attachment_icon_src( $post->ID, $fullsize ) )
1919          return false;
1920  
1921      list($src, $src_file) = $src;
1922  
1923      // Do we need to constrain the image?
1924      if ( ($max_dims = apply_filters('attachment_max_dims', $max_dims)) && file_exists($src_file) ) {
1925  
1926          $imagesize = @getimagesize($src_file);
1927  
1928          if (($imagesize[0] > $max_dims[0]) || $imagesize[1] > $max_dims[1] ) {
1929              $actual_aspect = $imagesize[0] / $imagesize[1];
1930              $desired_aspect = $max_dims[0] / $max_dims[1];
1931  
1932              if ( $actual_aspect >= $desired_aspect ) {
1933                  $height = $actual_aspect * $max_dims[0];
1934                  $constraint = "width='{$max_dims[0]}' ";
1935                  $post->iconsize = array($max_dims[0], $height);
1936              } else {
1937                  $width = $max_dims[1] / $actual_aspect;
1938                  $constraint = "height='{$max_dims[1]}' ";
1939                  $post->iconsize = array($width, $max_dims[1]);
1940              }
1941          } else {
1942              $post->iconsize = array($imagesize[0], $imagesize[1]);
1943              $constraint = '';
1944          }
1945      } else {
1946          $constraint = '';
1947      }
1948  
1949      $post_title = esc_attr($post->post_title);
1950  
1951      $icon = "<img src='$src' title='$post_title' alt='$post_title' $constraint/>";
1952  
1953      return apply_filters( 'attachment_icon', $icon, $post->ID );
1954  }
1955  
1956  /**
1957   * Retrieve HTML content of image element.
1958   *
1959   * @since 2.0.0
1960   * @deprecated 2.5.0 Use wp_get_attachment_image()
1961   * @see wp_get_attachment_image()
1962   *
1963   * @param int $id Optional. Post ID.
1964   * @param bool $fullsize Optional, default to false. Whether to have full size image.
1965   * @param array $max_dims Optional. Dimensions of image.
1966   * @return false|string
1967   */
1968  function get_attachment_innerHTML($id = 0, $fullsize = false, $max_dims = false) {
1969      _deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_image()' );
1970      $id = (int) $id;
1971      if ( !$post = get_post($id) )
1972          return false;
1973  
1974      if ( $innerHTML = get_attachment_icon($post->ID, $fullsize, $max_dims))
1975          return $innerHTML;
1976  
1977      $innerHTML = esc_attr($post->post_title);
1978  
1979      return apply_filters('attachment_innerHTML', $innerHTML, $post->ID);
1980  }
1981  
1982  /**
1983   * Retrieves bookmark data based on ID.
1984   *
1985   * @since 2.0.0
1986   * @deprecated 2.1.0 Use get_bookmark()
1987   * @see get_bookmark()
1988   *
1989   * @param int    $bookmark_id ID of link
1990   * @param string $output      Optional. Type of output. Accepts OBJECT, ARRAY_N, or ARRAY_A.
1991   *                            Default OBJECT.
1992   * @param string $filter      Optional. How to filter the link for output. Accepts 'raw', 'edit',
1993   *                            'attribute', 'js', 'db', or 'display'. Default 'raw'.
1994   * @return object|array Bookmark object or array, depending on the type specified by `$output`.
1995   */
1996  function get_link( $bookmark_id, $output = OBJECT, $filter = 'raw' ) {
1997      _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmark()' );
1998      return get_bookmark($bookmark_id, $output, $filter);
1999  }
2000  
2001  /**
2002   * Performs esc_url() for database or redirect usage.
2003   *
2004   * @since 2.3.1
2005   * @deprecated 2.8.0 Use esc_url_raw()
2006   * @see esc_url_raw()
2007   *
2008   * @param string $url The URL to be cleaned.
2009   * @param array $protocols An array of acceptable protocols.
2010   * @return string The cleaned URL.
2011   */
2012  function sanitize_url( $url, $protocols = null ) {
2013      _deprecated_function( __FUNCTION__, '2.8.0', 'esc_url_raw()' );
2014      return esc_url_raw( $url, $protocols );
2015  }
2016  
2017  /**
2018   * Checks and cleans a URL.
2019   *
2020   * A number of characters are removed from the URL. If the URL is for displaying
2021   * (the default behaviour) ampersands are also replaced. The 'clean_url' filter
2022   * is applied to the returned cleaned URL.
2023   *
2024   * @since 1.2.0
2025   * @deprecated 3.0.0 Use esc_url()
2026   * @see esc_url()
2027   *
2028   * @param string $url The URL to be cleaned.
2029   * @param array $protocols Optional. An array of acceptable protocols.
2030   * @param string $context Optional. How the URL will be used. Default is 'display'.
2031   * @return string The cleaned $url after the {@see 'clean_url'} filter is applied.
2032   */
2033  function clean_url( $url, $protocols = null, $context = 'display' ) {
2034      if ( $context == 'db' )
2035          _deprecated_function( 'clean_url( $context = \'db\' )', '3.0.0', 'esc_url_raw()' );
2036      else
2037          _deprecated_function( __FUNCTION__, '3.0.0', 'esc_url()' );
2038      return esc_url( $url, $protocols, $context );
2039  }
2040  
2041  /**
2042   * Escape single quotes, specialchar double quotes, and fix line endings.
2043   *
2044   * The filter {@see 'js_escape'} is also applied by esc_js().
2045   *
2046   * @since 2.0.4
2047   * @deprecated 2.8.0 Use esc_js()
2048   * @see esc_js()
2049   *
2050   * @param string $text The text to be escaped.
2051   * @return string Escaped text.
2052   */
2053  function js_escape( $text ) {
2054      _deprecated_function( __FUNCTION__, '2.8.0', 'esc_js()' );
2055      return esc_js( $text );
2056  }
2057  
2058  /**
2059   * Legacy escaping for HTML blocks.
2060   *
2061   * @deprecated 2.8.0 Use esc_html()
2062   * @see esc_html()
2063   *
2064   * @param string       $string        String to escape.
2065   * @param string       $quote_style   Unused.
2066   * @param false|string $charset       Unused.
2067   * @param false        $double_encode Whether to double encode. Unused.
2068   * @return string Escaped `$string`.
2069   */
2070  function wp_specialchars( $string, $quote_style = ENT_NOQUOTES, $charset = false, $double_encode = false ) {
2071      _deprecated_function( __FUNCTION__, '2.8.0', 'esc_html()' );
2072      if ( func_num_args() > 1 ) { // Maintain back-compat for people passing additional arguments.
2073          $args = func_get_args();
2074          return call_user_func_array( '_wp_specialchars', $args );
2075      } else {
2076          return esc_html( $string );
2077      }
2078  }
2079  
2080  /**
2081   * Escaping for HTML attributes.
2082   *
2083   * @since 2.0.6
2084   * @deprecated 2.8.0 Use esc_attr()
2085   * @see esc_attr()
2086   *
2087   * @param string $text
2088   * @return string
2089   */
2090  function attribute_escape( $text ) {
2091      _deprecated_function( __FUNCTION__, '2.8.0', 'esc_attr()' );
2092      return esc_attr( $text );
2093  }
2094  
2095  /**
2096   * Register widget for sidebar with backward compatibility.
2097   *
2098   * Allows $name to be an array that accepts either three elements to grab the
2099   * first element and the third for the name or just uses the first element of
2100   * the array for the name.
2101   *
2102   * Passes to wp_register_sidebar_widget() after argument list and backward
2103   * compatibility is complete.
2104   *
2105   * @since 2.2.0
2106   * @deprecated 2.8.0 Use wp_register_sidebar_widget()
2107   * @see wp_register_sidebar_widget()
2108   *
2109   * @param string|int $name            Widget ID.
2110   * @param callable   $output_callback Run when widget is called.
2111   * @param string     $classname       Optional. Classname widget option. Default empty.
2112   * @param mixed      ...$params       Widget parameters.
2113   */
2114  function register_sidebar_widget($name, $output_callback, $classname = '') {
2115      _deprecated_function( __FUNCTION__, '2.8.0', 'wp_register_sidebar_widget()' );
2116      // Compat
2117      if ( is_array($name) ) {
2118          if ( count($name) == 3 )
2119              $name = sprintf($name[0], $name[2]);
2120          else
2121              $name = $name[0];
2122      }
2123  
2124      $id = sanitize_title($name);
2125      $options = array();
2126      if ( !empty($classname) && is_string($classname) )
2127          $options['classname'] = $classname;
2128      $params = array_slice(func_get_args(), 2);
2129      $args = array($id, $name, $output_callback, $options);
2130      if ( !empty($params) )
2131          $args = array_merge($args, $params);
2132  
2133      call_user_func_array('wp_register_sidebar_widget', $args);
2134  }
2135  
2136  /**
2137   * Serves as an alias of wp_unregister_sidebar_widget().
2138   *
2139   * @since 2.2.0
2140   * @deprecated 2.8.0 Use wp_unregister_sidebar_widget()
2141   * @see wp_unregister_sidebar_widget()
2142   *
2143   * @param int|string $id Widget ID.
2144   */
2145  function unregister_sidebar_widget($id) {
2146      _deprecated_function( __FUNCTION__, '2.8.0', 'wp_unregister_sidebar_widget()' );
2147      return wp_unregister_sidebar_widget($id);
2148  }
2149  
2150  /**
2151   * Registers widget control callback for customizing options.
2152   *
2153   * Allows $name to be an array that accepts either three elements to grab the
2154   * first element and the third for the name or just uses the first element of
2155   * the array for the name.
2156   *
2157   * Passes to wp_register_widget_control() after the argument list has
2158   * been compiled.
2159   *
2160   * @since 2.2.0
2161   * @deprecated 2.8.0 Use wp_register_widget_control()
2162   * @see wp_register_widget_control()
2163   *
2164   * @param int|string $name Sidebar ID.
2165   * @param callable $control_callback Widget control callback to display and process form.
2166   * @param int $width Widget width.
2167   * @param int $height Widget height.
2168   */
2169  function register_widget_control($name, $control_callback, $width = '', $height = '') {
2170      _deprecated_function( __FUNCTION__, '2.8.0', 'wp_register_widget_control()' );
2171      // Compat
2172      if ( is_array($name) ) {
2173          if ( count($name) == 3 )
2174              $name = sprintf($name[0], $name[2]);
2175          else
2176              $name = $name[0];
2177      }
2178  
2179      $id = sanitize_title($name);
2180      $options = array();
2181      if ( !empty($width) )
2182          $options['width'] = $width;
2183      if ( !empty($height) )
2184          $options['height'] = $height;
2185      $params = array_slice(func_get_args(), 4);
2186      $args = array($id, $name, $control_callback, $options);
2187      if ( !empty($params) )
2188          $args = array_merge($args, $params);
2189  
2190      call_user_func_array('wp_register_widget_control', $args);
2191  }
2192  
2193  /**
2194   * Alias of wp_unregister_widget_control().
2195   *
2196   * @since 2.2.0
2197   * @deprecated 2.8.0 Use wp_unregister_widget_control()
2198   * @see wp_unregister_widget_control()
2199   *
2200   * @param int|string $id Widget ID.
2201   */
2202  function unregister_widget_control($id) {
2203      _deprecated_function( __FUNCTION__, '2.8.0', 'wp_unregister_widget_control()' );
2204      return wp_unregister_widget_control($id);
2205  }
2206  
2207  /**
2208   * Remove user meta data.
2209   *
2210   * @since 2.0.0
2211   * @deprecated 3.0.0 Use delete_user_meta()
2212   * @see delete_user_meta()
2213   *
2214   * @param int $user_id User ID.
2215   * @param string $meta_key Metadata key.
2216   * @param mixed $meta_value Metadata value.
2217   * @return bool True deletion completed and false if user_id is not a number.
2218   */
2219  function delete_usermeta( $user_id, $meta_key, $meta_value = '' ) {
2220      _deprecated_function( __FUNCTION__, '3.0.0', 'delete_user_meta()' );
2221      global $wpdb;
2222      if ( !is_numeric( $user_id ) )
2223          return false;
2224      $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
2225  
2226      if ( is_array($meta_value) || is_object($meta_value) )
2227          $meta_value = serialize($meta_value);
2228      $meta_value = trim( $meta_value );
2229  
2230      $cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
2231  
2232      if ( $cur && $cur->umeta_id )
2233          do_action( 'delete_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
2234  
2235      if ( ! empty($meta_value) )
2236          $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) );
2237      else
2238          $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
2239  
2240      clean_user_cache( $user_id );
2241      wp_cache_delete( $user_id, 'user_meta' );
2242  
2243      if ( $cur && $cur->umeta_id )
2244          do_action( 'deleted_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
2245  
2246      return true;
2247  }
2248  
2249  /**
2250   * Retrieve user metadata.
2251   *
2252   * If $user_id is not a number, then the function will fail over with a 'false'
2253   * boolean return value. Other returned values depend on whether there is only
2254   * one item to be returned, which be that single item type. If there is more
2255   * than one metadata value, then it will be list of metadata values.
2256   *
2257   * @since 2.0.0
2258   * @deprecated 3.0.0 Use get_user_meta()
2259   * @see get_user_meta()
2260   *
2261   * @param int $user_id User ID
2262   * @param string $meta_key Optional. Metadata key.
2263   * @return mixed
2264   */
2265  function get_usermeta( $user_id, $meta_key = '' ) {
2266      _deprecated_function( __FUNCTION__, '3.0.0', 'get_user_meta()' );
2267      global $wpdb;
2268      $user_id = (int) $user_id;
2269  
2270      if ( !$user_id )
2271          return false;
2272  
2273      if ( !empty($meta_key) ) {
2274          $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
2275          $user = wp_cache_get($user_id, 'users');
2276          // Check the cached user object
2277          if ( false !== $user && isset($user->$meta_key) )
2278              $metas = array($user->$meta_key);
2279          else
2280              $metas = $wpdb->get_col( $wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
2281      } else {
2282          $metas = $wpdb->get_col( $wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d", $user_id) );
2283      }
2284  
2285      if ( empty($metas) ) {
2286          if ( empty($meta_key) )
2287              return array();
2288          else
2289              return '';
2290      }
2291  
2292      $metas = array_map('maybe_unserialize', $metas);
2293  
2294      if ( count($metas) == 1 )
2295          return $metas[0];
2296      else
2297          return $metas;
2298  }
2299  
2300  /**
2301   * Update metadata of user.
2302   *
2303   * There is no need to serialize values, they will be serialized if it is
2304   * needed. The metadata key can only be a string with underscores. All else will
2305   * be removed.
2306   *
2307   * Will remove the metadata, if the meta value is empty.
2308   *
2309   * @since 2.0.0
2310   * @deprecated 3.0.0 Use update_user_meta()
2311   * @see update_user_meta()
2312   *
2313   * @param int $user_id User ID
2314   * @param string $meta_key Metadata key.
2315   * @param mixed $meta_value Metadata value.
2316   * @return bool True on successful update, false on failure.
2317   */
2318  function update_usermeta( $user_id, $meta_key, $meta_value ) {
2319      _deprecated_function( __FUNCTION__, '3.0.0', 'update_user_meta()' );
2320      global $wpdb;
2321      if ( !is_numeric( $user_id ) )
2322          return false;
2323      $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
2324  
2325      /** @todo Might need fix because usermeta data is assumed to be already escaped */
2326      if ( is_string($meta_value) )
2327          $meta_value = stripslashes($meta_value);
2328      $meta_value = maybe_serialize($meta_value);
2329  
2330      if (empty($meta_value)) {
2331          return delete_usermeta($user_id, $meta_key);
2332      }
2333  
2334      $cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
2335  
2336      if ( $cur )
2337          do_action( 'update_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
2338  
2339      if ( !$cur )
2340          $wpdb->insert($wpdb->usermeta, compact('user_id', 'meta_key', 'meta_value') );
2341      elseif ( $cur->meta_value != $meta_value )
2342          $wpdb->update($wpdb->usermeta, compact('meta_value'), compact('user_id', 'meta_key') );
2343      else
2344          return false;
2345  
2346      clean_user_cache( $user_id );
2347      wp_cache_delete( $user_id, 'user_meta' );
2348  
2349      if ( !$cur )
2350          do_action( 'added_usermeta', $wpdb->insert_id, $user_id, $meta_key, $meta_value );
2351      else
2352          do_action( 'updated_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
2353  
2354      return true;
2355  }
2356  
2357  /**
2358   * Get users for the site.
2359   *
2360   * For setups that use the multisite feature. Can be used outside of the
2361   * multisite feature.
2362   *
2363   * @since 2.2.0
2364   * @deprecated 3.1.0 Use get_users()
2365   * @see get_users()
2366   *
2367   * @global wpdb $wpdb    WordPress database abstraction object.
2368   *
2369   * @param int $id Site ID.
2370   * @return array List of users that are part of that site ID
2371   */
2372  function get_users_of_blog( $id = '' ) {
2373      _deprecated_function( __FUNCTION__, '3.1.0', 'get_users()' );
2374  
2375      global $wpdb;
2376      if ( empty( $id ) ) {
2377          $id = get_current_blog_id();
2378      }
2379      $blog_prefix = $wpdb->get_blog_prefix($id);
2380      $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" );
2381      return $users;
2382  }
2383  
2384  /**
2385   * Enable/disable automatic general feed link outputting.
2386   *
2387   * @since 2.8.0
2388   * @deprecated 3.0.0 Use add_theme_support()
2389   * @see add_theme_support()
2390   *
2391   * @param bool $add Optional, default is true. Add or remove links. Defaults to true.
2392   */
2393  function automatic_feed_links( $add = true ) {
2394      _deprecated_function( __FUNCTION__, '3.0.0', "add_theme_support( 'automatic-feed-links' )" );
2395  
2396      if ( $add )
2397          add_theme_support( 'automatic-feed-links' );
2398      else
2399          remove_action( 'wp_head', 'feed_links_extra', 3 ); // Just do this yourself in 3.0+
2400  }
2401  
2402  /**
2403   * Retrieve user data based on field.
2404   *
2405   * @since 1.5.0
2406   * @deprecated 3.0.0 Use get_the_author_meta()
2407   * @see get_the_author_meta()
2408   *
2409   * @param string    $field User meta field.
2410   * @param false|int $user Optional. User ID to retrieve the field for. Default false (current user).
2411   * @return string The author's field from the current author's DB object.
2412   */
2413  function get_profile( $field, $user = false ) {
2414      _deprecated_function( __FUNCTION__, '3.0.0', 'get_the_author_meta()' );
2415      if ( $user ) {
2416          $user = get_user_by( 'login', $user );
2417          $user = $user->ID;
2418      }
2419      return get_the_author_meta( $field, $user );
2420  }
2421  
2422  /**
2423   * Retrieves the number of posts a user has written.
2424   *
2425   * @since 0.71
2426   * @deprecated 3.0.0 Use count_user_posts()
2427   * @see count_user_posts()
2428   *
2429   * @param int $userid User to count posts for.
2430   * @return int Number of posts the given user has written.
2431   */
2432  function get_usernumposts( $userid ) {
2433      _deprecated_function( __FUNCTION__, '3.0.0', 'count_user_posts()' );
2434      return count_user_posts( $userid );
2435  }
2436  
2437  /**
2438   * Callback used to change %uXXXX to &#YYY; syntax
2439   *
2440   * @since 2.8.0
2441   * @access private
2442   * @deprecated 3.0.0
2443   *
2444   * @param array $matches Single Match
2445   * @return string An HTML entity
2446   */
2447  function funky_javascript_callback($matches) {
2448      return "&#".base_convert($matches[1],16,10).";";
2449  }
2450  
2451  /**
2452   * Fixes JavaScript bugs in browsers.
2453   *
2454   * Converts unicode characters to HTML numbered entities.
2455   *
2456   * @since 1.5.0
2457   * @deprecated 3.0.0
2458   *
2459   * @global $is_macIE
2460   * @global $is_winIE
2461   *
2462   * @param string $text Text to be made safe.
2463   * @return string Fixed text.
2464   */
2465  function funky_javascript_fix($text) {
2466      _deprecated_function( __FUNCTION__, '3.0.0' );
2467      // Fixes for browsers' JavaScript bugs.
2468      global $is_macIE, $is_winIE;
2469  
2470      if ( $is_winIE || $is_macIE )
2471          $text =  preg_replace_callback("/\%u([0-9A-F]{4,4})/",
2472                      "funky_javascript_callback",
2473                      $text);
2474  
2475      return $text;
2476  }
2477  
2478  /**
2479   * Checks that the taxonomy name exists.
2480   *
2481   * @since 2.3.0
2482   * @deprecated 3.0.0 Use taxonomy_exists()
2483   * @see taxonomy_exists()
2484   *
2485   * @param string $taxonomy Name of taxonomy object
2486   * @return bool Whether the taxonomy exists.
2487   */
2488  function is_taxonomy( $taxonomy ) {
2489      _deprecated_function( __FUNCTION__, '3.0.0', 'taxonomy_exists()' );
2490      return taxonomy_exists( $taxonomy );
2491  }
2492  
2493  /**
2494   * Check if Term exists.
2495   *
2496   * @since 2.3.0
2497   * @deprecated 3.0.0 Use term_exists()
2498   * @see term_exists()
2499   *
2500   * @param int|string $term The term to check
2501   * @param string $taxonomy The taxonomy name to use
2502   * @param int $parent ID of parent term under which to confine the exists search.
2503   * @return mixed Get the term id or Term Object, if exists.
2504   */
2505  function is_term( $term, $taxonomy = '', $parent = 0 ) {
2506      _deprecated_function( __FUNCTION__, '3.0.0', 'term_exists()' );
2507      return term_exists( $term, $taxonomy, $parent );
2508  }
2509  
2510  /**
2511   * Determines whether the current admin page is generated by a plugin.
2512   *
2513   * Use global $plugin_page and/or get_plugin_page_hookname() hooks.
2514   * 
2515   * For more information on this and similar theme functions, check out
2516   * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
2517   * Conditional Tags} article in the Theme Developer Handbook.
2518   * 
2519   * @since 1.5.0
2520   * @deprecated 3.1.0
2521   *
2522   * @global $plugin_page
2523   *
2524   * @return bool
2525   */
2526  function is_plugin_page() {
2527      _deprecated_function( __FUNCTION__, '3.1.0'  );
2528  
2529      global $plugin_page;
2530  
2531      if ( isset($plugin_page) )
2532          return true;
2533  
2534      return false;
2535  }
2536  
2537  /**
2538   * Update the categories cache.
2539   *
2540   * This function does not appear to be used anymore or does not appear to be
2541   * needed. It might be a legacy function left over from when there was a need
2542   * for updating the category cache.
2543   *
2544   * @since 1.5.0
2545   * @deprecated 3.1.0
2546   *
2547   * @return bool Always return True
2548   */
2549  function update_category_cache() {
2550      _deprecated_function( __FUNCTION__, '3.1.0'  );
2551  
2552      return true;
2553  }
2554  
2555  /**
2556   * Check for PHP timezone support
2557   *
2558   * @since 2.9.0
2559   * @deprecated 3.2.0
2560   *
2561   * @return bool
2562   */
2563  function wp_timezone_supported() {
2564      _deprecated_function( __FUNCTION__, '3.2.0' );
2565  
2566      return true;
2567  }
2568  
2569  /**
2570   * Displays an editor: TinyMCE, HTML, or both.
2571   *
2572   * @since 2.1.0
2573   * @deprecated 3.3.0 Use wp_editor()
2574   * @see wp_editor()
2575   *
2576   * @param string $content       Textarea content.
2577   * @param string $id            Optional. HTML ID attribute value. Default 'content'.
2578   * @param string $prev_id       Optional. Unused.
2579   * @param bool   $media_buttons Optional. Whether to display media buttons. Default true.
2580   * @param int    $tab_index     Optional. Unused.
2581   * @param bool   $extended      Optional. Unused.
2582   */
2583  function the_editor($content, $id = 'content', $prev_id = 'title', $media_buttons = true, $tab_index = 2, $extended = true) {
2584      _deprecated_function( __FUNCTION__, '3.3.0', 'wp_editor()' );
2585  
2586      wp_editor( $content, $id, array( 'media_buttons' => $media_buttons ) );
2587  }
2588  
2589  /**
2590   * Perform the query to get the $metavalues array(s) needed by _fill_user and _fill_many_users
2591   *
2592   * @since 3.0.0
2593   * @deprecated 3.3.0
2594   *
2595   * @param array $ids User ID numbers list.
2596   * @return array of arrays. The array is indexed by user_id, containing $metavalues object arrays.
2597   */
2598  function get_user_metavalues($ids) {
2599      _deprecated_function( __FUNCTION__, '3.3.0' );
2600  
2601      $objects = array();
2602  
2603      $ids = array_map('intval', $ids);
2604      foreach ( $ids as $id )
2605          $objects[$id] = array();
2606  
2607      $metas = update_meta_cache('user', $ids);
2608  
2609      foreach ( $metas as $id => $meta ) {
2610          foreach ( $meta as $key => $metavalues ) {
2611              foreach ( $metavalues as $value ) {
2612                  $objects[$id][] = (object)array( 'user_id' => $id, 'meta_key' => $key, 'meta_value' => $value);
2613              }
2614          }
2615      }
2616  
2617      return $objects;
2618  }
2619  
2620  /**
2621   * Sanitize every user field.
2622   *
2623   * If the context is 'raw', then the user object or array will get minimal santization of the int fields.
2624   *
2625   * @since 2.3.0
2626   * @deprecated 3.3.0
2627   *
2628   * @param object|array $user The User Object or Array
2629   * @param string $context Optional, default is 'display'. How to sanitize user fields.
2630   * @return object|array The now sanitized User Object or Array (will be the same type as $user)
2631   */
2632  function sanitize_user_object($user, $context = 'display') {
2633      _deprecated_function( __FUNCTION__, '3.3.0' );
2634  
2635      if ( is_object($user) ) {
2636          if ( !isset($user->ID) )
2637              $user->ID = 0;
2638          if ( ! ( $user instanceof WP_User ) ) {
2639              $vars = get_object_vars($user);
2640              foreach ( array_keys($vars) as $field ) {
2641                  if ( is_string($user->$field) || is_numeric($user->$field) )
2642                      $user->$field = sanitize_user_field($field, $user->$field, $user->ID, $context);
2643              }
2644          }
2645          $user->filter = $context;
2646      } else {
2647          if ( !isset($user['ID']) )
2648              $user['ID'] = 0;
2649          foreach ( array_keys($user) as $field )
2650              $user[$field] = sanitize_user_field($field, $user[$field], $user['ID'], $context);
2651          $user['filter'] = $context;
2652      }
2653  
2654      return $user;
2655  }
2656  
2657  /**
2658   * Get boundary post relational link.
2659   *
2660   * Can either be start or end post relational link.
2661   *
2662   * @since 2.8.0
2663   * @deprecated 3.3.0
2664   *
2665   * @param string $title Optional. Link title format.
2666   * @param bool $in_same_cat Optional. Whether link should be in a same category.
2667   * @param string $excluded_categories Optional. Excluded categories IDs.
2668   * @param bool $start Optional, default is true. Whether to display link to first or last post.
2669   * @return string
2670   */
2671  function get_boundary_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '', $start = true) {
2672      _deprecated_function( __FUNCTION__, '3.3.0' );
2673  
2674      $posts = get_boundary_post($in_same_cat, $excluded_categories, $start);
2675      // If there is no post stop.
2676      if ( empty($posts) )
2677          return;
2678  
2679      // Even though we limited get_posts to return only 1 item it still returns an array of objects.
2680      $post = $posts[0];
2681  
2682      if ( empty($post->post_title) )
2683          $post->post_title = $start ? __('First Post') : __('Last Post');
2684  
2685      $date = mysql2date(get_option('date_format'), $post->post_date);
2686  
2687      $title = str_replace('%title', $post->post_title, $title);
2688      $title = str_replace('%date', $date, $title);
2689      $title = apply_filters('the_title', $title, $post->ID);
2690  
2691      $link = $start ? "<link rel='start' title='" : "<link rel='end' title='";
2692      $link .= esc_attr($title);
2693      $link .= "' href='" . get_permalink($post) . "' />\n";
2694  
2695      $boundary = $start ? 'start' : 'end';
2696      return apply_filters( "{$boundary}_post_rel_link", $link );
2697  }
2698  
2699  /**
2700   * Display relational link for the first post.
2701   *
2702   * @since 2.8.0
2703   * @deprecated 3.3.0
2704   *
2705   * @param string $title Optional. Link title format.
2706   * @param bool $in_same_cat Optional. Whether link should be in a same category.
2707   * @param string $excluded_categories Optional. Excluded categories IDs.
2708   */
2709  function start_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') {
2710      _deprecated_function( __FUNCTION__, '3.3.0' );
2711  
2712      echo get_boundary_post_rel_link($title, $in_same_cat, $excluded_categories, true);
2713  }
2714  
2715  /**
2716   * Get site index relational link.
2717   *
2718   * @since 2.8.0
2719   * @deprecated 3.3.0
2720   *
2721   * @return string
2722   */
2723  function get_index_rel_link() {
2724      _deprecated_function( __FUNCTION__, '3.3.0' );
2725  
2726      $link = "<link rel='index' title='" . esc_attr( get_bloginfo( 'name', 'display' ) ) . "' href='" . esc_url( user_trailingslashit( get_bloginfo( 'url', 'display' ) ) ) . "' />\n";
2727      return apply_filters( "index_rel_link", $link );
2728  }
2729  
2730  /**
2731   * Display relational link for the site index.
2732   *
2733   * @since 2.8.0
2734   * @deprecated 3.3.0
2735   */
2736  function index_rel_link() {
2737      _deprecated_function( __FUNCTION__, '3.3.0' );
2738  
2739      echo get_index_rel_link();
2740  }
2741  
2742  /**
2743   * Get parent post relational link.
2744   *
2745   * @since 2.8.0
2746   * @deprecated 3.3.0
2747   *
2748   * @param string $title Optional. Link title format. Default '%title'.
2749   * @return string
2750   */
2751  function get_parent_post_rel_link( $title = '%title' ) {
2752      _deprecated_function( __FUNCTION__, '3.3.0' );
2753  
2754      if ( ! empty( $GLOBALS['post'] ) && ! empty( $GLOBALS['post']->post_parent ) )
2755          $post = get_post($GLOBALS['post']->post_parent);
2756  
2757      if ( empty($post) )
2758          return;
2759  
2760      $date = mysql2date(get_option('date_format'), $post->post_date);
2761  
2762      $title = str_replace('%title', $post->post_title, $title);
2763      $title = str_replace('%date', $date, $title);
2764      $title = apply_filters('the_title', $title, $post->ID);
2765  
2766      $link = "<link rel='up' title='";
2767      $link .= esc_attr( $title );
2768      $link .= "' href='" . get_permalink($post) . "' />\n";
2769  
2770      return apply_filters( "parent_post_rel_link", $link );
2771  }
2772  
2773  /**
2774   * Display relational link for parent item
2775   *
2776   * @since 2.8.0
2777   * @deprecated 3.3.0
2778   *
2779   * @param string $title Optional. Link title format. Default '%title'.
2780   */
2781  function parent_post_rel_link( $title = '%title' ) {
2782      _deprecated_function( __FUNCTION__, '3.3.0' );
2783  
2784      echo get_parent_post_rel_link($title);
2785  }
2786  
2787  /**
2788   * Add the "Dashboard"/"Visit Site" menu.
2789   *
2790   * @since 3.2.0
2791   * @deprecated 3.3.0
2792   *
2793   * @param WP_Admin_Bar $wp_admin_bar WP_Admin_Bar instance.
2794   */
2795  function wp_admin_bar_dashboard_view_site_menu( $wp_admin_bar ) {
2796      _deprecated_function( __FUNCTION__, '3.3.0' );
2797  
2798      $user_id = get_current_user_id();
2799  
2800      if ( 0 != $user_id ) {
2801          if ( is_admin() )
2802              $wp_admin_bar->add_menu( array( 'id' => 'view-site', 'title' => __( 'Visit Site' ), 'href' => home_url() ) );
2803          elseif ( is_multisite() )
2804              $wp_admin_bar->add_menu( array( 'id' => 'dashboard', 'title' => __( 'Dashboard' ), 'href' => get_dashboard_url( $user_id ) ) );
2805          else
2806              $wp_admin_bar->add_menu( array( 'id' => 'dashboard', 'title' => __( 'Dashboard' ), 'href' => admin_url() ) );
2807      }
2808  }
2809  
2810  /**
2811   * Checks if the current user belong to a given site.
2812   *
2813   * @since MU (3.0.0)
2814   * @deprecated 3.3.0 Use is_user_member_of_blog()
2815   * @see is_user_member_of_blog()
2816   *
2817   * @param int $blog_id Site ID
2818   * @return bool True if the current users belong to $blog_id, false if not.
2819   */
2820  function is_blog_user( $blog_id = 0 ) {
2821      _deprecated_function( __FUNCTION__, '3.3.0', 'is_user_member_of_blog()' );
2822  
2823      return is_user_member_of_blog( get_current_user_id(), $blog_id );
2824  }
2825  
2826  /**
2827   * Open the file handle for debugging.
2828   *
2829   * @since 0.71
2830   * @deprecated 3.4.0 Use error_log()
2831   * @see error_log()
2832   *
2833   * @link https://secure.php.net/manual/en/function.error-log.php
2834   *
2835   * @param string $filename File name.
2836   * @param string $mode     Type of access you required to the stream.
2837   * @return false Always false.
2838   */
2839  function debug_fopen( $filename, $mode ) {
2840      _deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
2841      return false;
2842  }
2843  
2844  /**
2845   * Write contents to the file used for debugging.
2846   *
2847   * @since 0.71
2848   * @deprecated 3.4.0 Use error_log()
2849   * @see error_log()
2850   *
2851   * @link https://secure.php.net/manual/en/function.error-log.php
2852   *
2853   * @param mixed  $fp     Unused.
2854   * @param string $string Message to log.
2855   */
2856  function debug_fwrite( $fp, $string ) {
2857      _deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
2858      if ( ! empty( $GLOBALS['debug'] ) )
2859          error_log( $string );
2860  }
2861  
2862  /**
2863   * Close the debugging file handle.
2864   *
2865   * @since 0.71
2866   * @deprecated 3.4.0 Use error_log()
2867   * @see error_log()
2868   *
2869   * @link https://secure.php.net/manual/en/function.error-log.php
2870   *
2871   * @param mixed $fp Unused.
2872   */
2873  function debug_fclose( $fp ) {
2874      _deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
2875  }
2876  
2877  /**
2878   * Retrieve list of themes with theme data in theme directory.
2879   *
2880   * The theme is broken, if it doesn't have a parent theme and is missing either
2881   * style.css and, or index.php. If the theme has a parent theme then it is
2882   * broken, if it is missing style.css; index.php is optional.
2883   *
2884   * @since 1.5.0
2885   * @deprecated 3.4.0 Use wp_get_themes()
2886   * @see wp_get_themes()
2887   *
2888   * @return array Theme list with theme data.
2889   */
2890  function get_themes() {
2891      _deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_themes()' );
2892  
2893      global $wp_themes;
2894      if ( isset( $wp_themes ) )
2895          return $wp_themes;
2896  
2897      $themes = wp_get_themes();
2898      $wp_themes = array();
2899  
2900      foreach ( $themes as $theme ) {
2901          $name = $theme->get('Name');
2902          if ( isset( $wp_themes[ $name ] ) )
2903              $wp_themes[ $name . '/' . $theme->get_stylesheet() ] = $theme;
2904          else
2905              $wp_themes[ $name ] = $theme;
2906      }
2907  
2908      return $wp_themes;
2909  }
2910  
2911  /**
2912   * Retrieve theme data.
2913   *
2914   * @since 1.5.0
2915   * @deprecated 3.4.0 Use wp_get_theme()
2916   * @see wp_get_theme()
2917   *
2918   * @param string $theme Theme name.
2919   * @return array|null Null, if theme name does not exist. Theme data, if exists.
2920   */
2921  function get_theme( $theme ) {
2922      _deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme( $stylesheet )' );
2923  
2924      $themes = get_themes();
2925      if ( is_array( $themes ) && array_key_exists( $theme, $themes ) )
2926          return $themes[ $theme ];
2927      return null;
2928  }
2929  
2930  /**
2931   * Retrieve current theme name.
2932   *
2933   * @since 1.5.0
2934   * @deprecated 3.4.0 Use wp_get_theme()
2935   * @see wp_get_theme()
2936   *
2937   * @return string
2938   */
2939  function get_current_theme() {
2940      _deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme()' );
2941  
2942      if ( $theme = get_option( 'current_theme' ) )
2943          return $theme;
2944  
2945      return wp_get_theme()->get('Name');
2946  }
2947  
2948  /**
2949   * Accepts matches array from preg_replace_callback in wpautop() or a string.
2950   *
2951   * Ensures that the contents of a `<pre>...</pre>` HTML block are not
2952   * converted into paragraphs or line-breaks.
2953   *
2954   * @since 1.2.0
2955   * @deprecated 3.4.0
2956   *
2957   * @param array|string $matches The array or string
2958   * @return string The pre block without paragraph/line-break conversion.
2959   */
2960  function clean_pre($matches) {
2961      _deprecated_function( __FUNCTION__, '3.4.0' );
2962  
2963      if ( is_array($matches) )
2964          $text = $matches[1] . $matches[2] . "</pre>";
2965      else
2966          $text = $matches;
2967  
2968      $text = str_replace(array('<br />', '<br/>', '<br>'), array('', '', ''), $text);
2969      $text = str_replace('<p>', "\n", $text);
2970      $text = str_replace('</p>', '', $text);
2971  
2972      return $text;
2973  }
2974  
2975  
2976  /**
2977   * Add callbacks for image header display.
2978   *
2979   * @since 2.1.0
2980   * @deprecated 3.4.0 Use add_theme_support()
2981   * @see add_theme_support()
2982   *
2983   * @param callable $wp_head_callback Call on the {@see 'wp_head'} action.
2984   * @param callable $admin_head_callback Call on custom header administration screen.
2985   * @param callable $admin_preview_callback Output a custom header image div on the custom header administration screen. Optional.
2986   */
2987  function add_custom_image_header( $wp_head_callback, $admin_head_callback, $admin_preview_callback = '' ) {
2988      _deprecated_function( __FUNCTION__, '3.4.0', 'add_theme_support( \'custom-header\', $args )' );
2989      $args = array(
2990          'wp-head-callback'    => $wp_head_callback,
2991          'admin-head-callback' => $admin_head_callback,
2992      );
2993      if ( $admin_preview_callback )
2994          $args['admin-preview-callback'] = $admin_preview_callback;
2995      return add_theme_support( 'custom-header', $args );
2996  }
2997  
2998  /**
2999   * Remove image header support.
3000   *
3001   * @since 3.1.0
3002   * @deprecated 3.4.0 Use remove_theme_support()
3003   * @see remove_theme_support()
3004   *
3005   * @return null|bool Whether support was removed.
3006   */
3007  function remove_custom_image_header() {
3008      _deprecated_function( __FUNCTION__, '3.4.0', 'remove_theme_support( \'custom-header\' )' );
3009      return remove_theme_support( 'custom-header' );
3010  }
3011  
3012  /**
3013   * Add callbacks for background image display.
3014   *
3015   * @since 3.0.0
3016   * @deprecated 3.4.0 Use add_theme_support()
3017   * @see add_theme_support()
3018   *
3019   * @param callable $wp_head_callback Call on the {@see 'wp_head'} action.
3020   * @param callable $admin_head_callback Call on custom background administration screen.
3021   * @param callable $admin_preview_callback Output a custom background image div on the custom background administration screen. Optional.
3022   */
3023  function add_custom_background( $wp_head_callback = '', $admin_head_callback = '', $admin_preview_callback = '' ) {
3024      _deprecated_function( __FUNCTION__, '3.4.0', 'add_theme_support( \'custom-background\', $args )' );
3025      $args = array();
3026      if ( $wp_head_callback )
3027          $args['wp-head-callback'] = $wp_head_callback;
3028      if ( $admin_head_callback )
3029          $args['admin-head-callback'] = $admin_head_callback;
3030      if ( $admin_preview_callback )
3031          $args['admin-preview-callback'] = $admin_preview_callback;
3032      return add_theme_support( 'custom-background', $args );
3033  }
3034  
3035  /**
3036   * Remove custom background support.
3037   *
3038   * @since 3.1.0
3039   * @deprecated 3.4.0 Use add_custom_background()
3040   * @see add_custom_background()
3041   *
3042   * @return null|bool Whether support was removed.
3043   */
3044  function remove_custom_background() {
3045      _deprecated_function( __FUNCTION__, '3.4.0', 'remove_theme_support( \'custom-background\' )' );
3046      return remove_theme_support( 'custom-background' );
3047  }
3048  
3049  /**
3050   * Retrieve theme data from parsed theme file.
3051   *
3052   * @since 1.5.0
3053   * @deprecated 3.4.0 Use wp_get_theme()
3054   * @see wp_get_theme()
3055   *
3056   * @param string $theme_file Theme file path.
3057   * @return array Theme data.
3058   */
3059  function get_theme_data( $theme_file ) {
3060      _deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme()' );
3061      $theme = new WP_Theme( wp_basename( dirname( $theme_file ) ), dirname( dirname( $theme_file ) ) );
3062  
3063      $theme_data = array(
3064          'Name' => $theme->get('Name'),
3065          'URI' => $theme->display('ThemeURI', true, false),
3066          'Description' => $theme->display('Description', true, false),
3067          'Author' => $theme->display('Author', true, false),
3068          'AuthorURI' => $theme->display('AuthorURI', true, false),
3069          'Version' => $theme->get('Version'),
3070          'Template' => $theme->get('Template'),
3071          'Status' => $theme->get('Status'),
3072          'Tags' => $theme->get('Tags'),
3073          'Title' => $theme->get('Name'),
3074          'AuthorName' => $theme->get('Author'),
3075      );
3076  
3077      foreach ( apply_filters( 'extra_theme_headers', array() ) as $extra_header ) {
3078          if ( ! isset( $theme_data[ $extra_header ] ) )
3079              $theme_data[ $extra_header ] = $theme->get( $extra_header );
3080      }
3081  
3082      return $theme_data;
3083  }
3084  
3085  /**
3086   * Alias of update_post_cache().
3087   *
3088   * @see update_post_cache() Posts and pages are the same, alias is intentional
3089   *
3090   * @since 1.5.1
3091   * @deprecated 3.4.0 Use update_post_cache()
3092   * @see update_post_cache()
3093   *
3094   * @param array $pages list of page objects
3095   */
3096  function update_page_cache( &$pages ) {
3097      _deprecated_function( __FUNCTION__, '3.4.0', 'update_post_cache()' );
3098  
3099      update_post_cache( $pages );
3100  }
3101  
3102  /**
3103   * Will clean the page in the cache.
3104   *
3105   * Clean (read: delete) page from cache that matches $id. Will also clean cache
3106   * associated with 'all_page_ids' and 'get_pages'.
3107   *
3108   * @since 2.0.0
3109   * @deprecated 3.4.0 Use clean_post_cache
3110   * @see clean_post_cache()
3111   *
3112   * @param int $id Page ID to clean
3113   */
3114  function clean_page_cache( $id ) {
3115      _deprecated_function( __FUNCTION__, '3.4.0', 'clean_post_cache()' );
3116  
3117      clean_post_cache( $id );
3118  }
3119  
3120  /**
3121   * Retrieve nonce action "Are you sure" message.
3122   *
3123   * Deprecated in 3.4.1 and 3.5.0. Backported to 3.3.3.
3124   *
3125   * @since 2.0.4
3126   * @deprecated 3.4.1 Use wp_nonce_ays()
3127   * @see wp_nonce_ays()
3128   *
3129   * @param string $action Nonce action.
3130   * @return string Are you sure message.
3131   */
3132  function wp_explain_nonce( $action ) {
3133      _deprecated_function( __FUNCTION__, '3.4.1', 'wp_nonce_ays()' );
3134      return __( 'Are you sure you want to do this?' );
3135  }
3136  
3137  /**
3138   * Display "sticky" CSS class, if a post is sticky.
3139   *
3140   * @since 2.7.0
3141   * @deprecated 3.5.0 Use post_class()
3142   * @see post_class()
3143   *
3144   * @param int $post_id An optional post ID.
3145   */
3146  function sticky_class( $post_id = null ) {
3147      _deprecated_function( __FUNCTION__, '3.5.0', 'post_class()' );
3148      if ( is_sticky( $post_id ) )
3149          echo ' sticky';
3150  }
3151  
3152  /**
3153   * Retrieve post ancestors.
3154   *
3155   * This is no longer needed as WP_Post lazy-loads the ancestors
3156   * property with get_post_ancestors().
3157   *
3158   * @since 2.3.4
3159   * @deprecated 3.5.0 Use get_post_ancestors()
3160   * @see get_post_ancestors()
3161   *
3162   * @param WP_Post $post Post object, passed by reference (unused).
3163   */
3164  function _get_post_ancestors( &$post ) {
3165      _deprecated_function( __FUNCTION__, '3.5.0' );
3166  }
3167  
3168  /**
3169   * Load an image from a string, if PHP supports it.
3170   *
3171   * @since 2.1.0
3172   * @deprecated 3.5.0 Use wp_get_image_editor()
3173   * @see wp_get_image_editor()
3174   *
3175   * @param string $file Filename of the image to load.
3176   * @return resource The resulting image resource on success, Error string on failure.
3177   */
3178  function wp_load_image( $file ) {
3179      _deprecated_function( __FUNCTION__, '3.5.0', 'wp_get_image_editor()' );
3180  
3181      if ( is_numeric( $file ) )
3182          $file = get_attached_file( $file );
3183  
3184      if ( ! is_file( $file ) ) {
3185          /* translators: %s: file name */
3186          return sprintf( __( 'File &#8220;%s&#8221; doesn&#8217;t exist?' ), $file );
3187      }
3188  
3189      if ( ! function_exists('imagecreatefromstring') )
3190          return __('The GD image library is not installed.');
3191  
3192      // Set artificially high because GD uses uncompressed images in memory.
3193      wp_raise_memory_limit( 'image' );
3194  
3195      $image = imagecreatefromstring( file_get_contents( $file ) );
3196  
3197      if ( ! is_resource( $image ) ) {
3198          /* translators: %s: file name */
3199          return sprintf( __( 'File &#8220;%s&#8221; is not an image.' ), $file );
3200      }
3201  
3202      return $image;
3203  }
3204  
3205  /**
3206   * Scale down an image to fit a particular size and save a new copy of the image.
3207   *
3208   * The PNG transparency will be preserved using the function, as well as the
3209   * image type. If the file going in is PNG, then the resized image is going to
3210   * be PNG. The only supported image types are PNG, GIF, and JPEG.
3211   *
3212   * Some functionality requires API to exist, so some PHP version may lose out
3213   * support. This is not the fault of WordPress (where functionality is
3214   * downgraded, not actual defects), but of your PHP version.
3215   *
3216   * @since 2.5.0
3217   * @deprecated 3.5.0 Use wp_get_image_editor()
3218   * @see wp_get_image_editor()
3219   *
3220   * @param string $file Image file path.
3221   * @param int $max_w Maximum width to resize to.
3222   * @param int $max_h Maximum height to resize to.
3223   * @param bool $crop Optional. Whether to crop image or resize.
3224   * @param string $suffix Optional. File suffix.
3225   * @param string $dest_path Optional. New image file path.
3226   * @param int $jpeg_quality Optional, default is 90. Image quality percentage.
3227   * @return mixed WP_Error on failure. String with new destination path.
3228   */
3229  function image_resize( $file, $max_w, $max_h, $crop = false, $suffix = null, $dest_path = null, $jpeg_quality = 90 ) {
3230      _deprecated_function( __FUNCTION__, '3.5.0', 'wp_get_image_editor()' );
3231  
3232      $editor = wp_get_image_editor( $file );
3233      if ( is_wp_error( $editor ) )
3234          return $editor;
3235      $editor->set_quality( $jpeg_quality );
3236  
3237      $resized = $editor->resize( $max_w, $max_h, $crop );
3238      if ( is_wp_error( $resized ) )
3239          return $resized;
3240  
3241      $dest_file = $editor->generate_filename( $suffix, $dest_path );
3242      $saved = $editor->save( $dest_file );
3243  
3244      if ( is_wp_error( $saved ) )
3245          return $saved;
3246  
3247      return $dest_file;
3248  }
3249  
3250  /**
3251   * Retrieve a single post, based on post ID.
3252   *
3253   * Has categories in 'post_category' property or key. Has tags in 'tags_input'
3254   * property or key.
3255   *
3256   * @since 1.0.0
3257   * @deprecated 3.5.0 Use get_post()
3258   * @see get_post()
3259   *
3260   * @param int $postid Post ID.
3261   * @param string $mode How to return result, either OBJECT, ARRAY_N, or ARRAY_A.
3262   * @return WP_Post|null Post object or array holding post contents and information
3263   */
3264  function wp_get_single_post( $postid = 0, $mode = OBJECT ) {
3265      _deprecated_function( __FUNCTION__, '3.5.0', 'get_post()' );
3266      return get_post( $postid, $mode );
3267  }
3268  
3269  /**
3270   * Check that the user login name and password is correct.
3271   *
3272   * @since 0.71
3273   * @deprecated 3.5.0 Use wp_authenticate()
3274   * @see wp_authenticate()
3275   *
3276   * @param string $user_login User name.
3277   * @param string $user_pass User password.
3278   * @return bool False if does not authenticate, true if username and password authenticates.
3279   */
3280  function user_pass_ok($user_login, $user_pass) {
3281      _deprecated_function( __FUNCTION__, '3.5.0', 'wp_authenticate()' );
3282      $user = wp_authenticate( $user_login, $user_pass );
3283      if ( is_wp_error( $user ) )
3284          return false;
3285  
3286      return true;
3287  }
3288  
3289  /**
3290   * Callback formerly fired on the save_post hook. No longer needed.
3291   *
3292   * @since 2.3.0
3293   * @deprecated 3.5.0
3294   */
3295  function _save_post_hook() {}
3296  
3297  /**
3298   * Check if the installed version of GD supports particular image type
3299   *
3300   * @since 2.9.0
3301   * @deprecated 3.5.0 Use wp_image_editor_supports()
3302   * @see wp_image_editor_supports()
3303   *
3304   * @param string $mime_type
3305   * @return bool
3306   */
3307  function gd_edit_image_support($mime_type) {
3308      _deprecated_function( __FUNCTION__, '3.5.0', 'wp_image_editor_supports()' );
3309  
3310      if ( function_exists('imagetypes') ) {
3311          switch( $mime_type ) {
3312              case 'image/jpeg':
3313                  return (imagetypes() & IMG_JPG) != 0;
3314              case 'image/png':
3315                  return (imagetypes() & IMG_PNG) != 0;
3316              case 'image/gif':
3317                  return (imagetypes() & IMG_GIF) != 0;
3318          }
3319      } else {
3320          switch( $mime_type ) {
3321              case 'image/jpeg':
3322                  return function_exists('imagecreatefromjpeg');
3323              case 'image/png':
3324                  return function_exists('imagecreatefrompng');
3325              case 'image/gif':
3326                  return function_exists('imagecreatefromgif');
3327          }
3328      }
3329      return false;
3330  }
3331  
3332  /**
3333   * Converts an integer byte value to a shorthand byte value.
3334   *
3335   * @since 2.3.0
3336   * @deprecated 3.6.0 Use size_format()
3337   * @see size_format()
3338   *
3339   * @param int $bytes An integer byte value.
3340   * @return string A shorthand byte value.
3341   */
3342  function wp_convert_bytes_to_hr( $bytes ) {
3343      _deprecated_function( __FUNCTION__, '3.6.0', 'size_format()' );
3344  
3345      $units = array( 0 => 'B', 1 => 'KB', 2 => 'MB', 3 => 'GB', 4 => 'TB' );
3346      $log   = log( $bytes, KB_IN_BYTES );
3347      $power = (int) $log;
3348      $size  = pow( KB_IN_BYTES, $log - $power );
3349  
3350      if ( ! is_nan( $size ) && array_key_exists( $power, $units ) ) {
3351          $unit = $units[ $power ];
3352      } else {
3353          $size = $bytes;
3354          $unit = $units[0];
3355      }
3356  
3357      return $size . $unit;
3358  }
3359  
3360  /**
3361   * Formerly used internally to tidy up the search terms.
3362   *
3363   * @since 2.9.0
3364   * @access private
3365   * @deprecated 3.7.0
3366   *
3367   * @param string $t Search terms to "tidy", e.g. trim.
3368   * @return string Trimmed search terms.
3369   */
3370  function _search_terms_tidy( $t ) {
3371      _deprecated_function( __FUNCTION__, '3.7.0' );
3372      return trim( $t, "\"'\n\r " );
3373  }
3374  
3375  /**
3376   * Determine if TinyMCE is available.
3377   *
3378   * Checks to see if the user has deleted the tinymce files to slim down
3379   * their WordPress installation.
3380   *
3381   * @since 2.1.0
3382   * @deprecated 3.9.0
3383   *
3384   * @return bool Whether TinyMCE exists.
3385   */
3386  function rich_edit_exists() {
3387      global $wp_rich_edit_exists;
3388      _deprecated_function( __FUNCTION__, '3.9.0' );
3389  
3390      if ( ! isset( $wp_rich_edit_exists ) )
3391          $wp_rich_edit_exists = file_exists( ABSPATH . WPINC . '/js/tinymce/tinymce.js' );
3392  
3393      return $wp_rich_edit_exists;
3394  }
3395  
3396  /**
3397   * Old callback for tag link tooltips.
3398   *
3399   * @since 2.7.0
3400   * @access private
3401   * @deprecated 3.9.0
3402   *
3403   * @param int $count Number of topics.
3404   * @return int Number of topics.
3405   */
3406  function default_topic_count_text( $count ) {
3407      return $count;
3408  }
3409  
3410  /**
3411   * Formerly used to escape strings before inserting into the DB.
3412   *
3413   * Has not performed this function for many, many years. Use wpdb::prepare() instead.
3414   *
3415   * @since 0.71
3416   * @deprecated 3.9.0
3417   *
3418   * @param string $content The text to format.
3419   * @return string The very same text.
3420   */
3421  function format_to_post( $content ) {
3422      _deprecated_function( __FUNCTION__, '3.9.0' );
3423      return $content;
3424  }
3425  
3426  /**
3427   * Formerly used to escape strings before searching the DB. It was poorly documented and never worked as described.
3428   *
3429   * @since 2.5.0
3430   * @deprecated 4.0.0 Use wpdb::esc_like()
3431   * @see wpdb::esc_like()
3432   *
3433   * @param string $text The text to be escaped.
3434   * @return string text, safe for inclusion in LIKE query.
3435   */
3436  function like_escape($text) {
3437      _deprecated_function( __FUNCTION__, '4.0.0', 'wpdb::esc_like()' );
3438      return str_replace( array( "%", "_" ), array( "\\%", "\\_" ), $text );
3439  }
3440  
3441  /**
3442   * Determines if the URL can be accessed over SSL.
3443   *
3444   * Determines if the URL can be accessed over SSL by using the WordPress HTTP API to access
3445   * the URL using https as the scheme.
3446   *
3447   * @since 2.5.0
3448   * @deprecated 4.0.0
3449   *
3450   * @param string $url The URL to test.
3451   * @return bool Whether SSL access is available.
3452   */
3453  function url_is_accessable_via_ssl( $url ) {
3454      _deprecated_function( __FUNCTION__, '4.0.0' );
3455  
3456      $response = wp_remote_get( set_url_scheme( $url, 'https' ) );
3457  
3458      if ( !is_wp_error( $response ) ) {
3459          $status = wp_remote_retrieve_response_code( $response );
3460          if ( 200 == $status || 401 == $status ) {
3461              return true;
3462          }
3463      }
3464  
3465      return false;
3466  }
3467  
3468  /**
3469   * Start preview theme output buffer.
3470   *
3471   * Will only perform task if the user has permissions and template and preview
3472   * query variables exist.
3473   *
3474   * @since 2.6.0
3475   * @deprecated 4.3.0
3476   */
3477  function preview_theme() {
3478      _deprecated_function( __FUNCTION__, '4.3.0' );
3479  }
3480  
3481  /**
3482   * Private function to modify the current template when previewing a theme
3483   *
3484   * @since 2.9.0
3485   * @deprecated 4.3.0
3486   * @access private
3487   *
3488   * @return string
3489   */
3490  function _preview_theme_template_filter() {
3491      _deprecated_function( __FUNCTION__, '4.3.0' );
3492      return '';
3493  }
3494  
3495  /**
3496   * Private function to modify the current stylesheet when previewing a theme
3497   *
3498   * @since 2.9.0
3499   * @deprecated 4.3.0
3500   * @access private
3501   *
3502   * @return string
3503   */
3504  function _preview_theme_stylesheet_filter() {
3505      _deprecated_function( __FUNCTION__, '4.3.0' );
3506      return '';
3507  }
3508  
3509  /**
3510   * Callback function for ob_start() to capture all links in the theme.
3511   *
3512   * @since 2.6.0
3513   * @deprecated 4.3.0
3514   * @access private
3515   *
3516   * @param string $content
3517   * @return string
3518   */
3519  function preview_theme_ob_filter( $content ) {
3520      _deprecated_function( __FUNCTION__, '4.3.0' );
3521      return $content;
3522  }
3523  
3524  /**
3525   * Manipulates preview theme links in order to control and maintain location.
3526   *
3527   * Callback function for preg_replace_callback() to accept and filter matches.
3528   *
3529   * @since 2.6.0
3530   * @deprecated 4.3.0
3531   * @access private
3532   *
3533   * @param array $matches
3534   * @return string
3535   */
3536  function preview_theme_ob_filter_callback( $matches ) {
3537      _deprecated_function( __FUNCTION__, '4.3.0' );
3538      return '';
3539  }
3540  
3541  /**
3542   * Formats text for the rich text editor.
3543   *
3544   * The {@see 'richedit_pre'} filter is applied here. If $text is empty the filter will
3545   * be applied to an empty string.
3546   *
3547   * @since 2.0.0
3548   * @deprecated 4.3.0 Use format_for_editor()
3549   * @see format_for_editor()
3550   *
3551   * @param string $text The text to be formatted.
3552   * @return string The formatted text after filter is applied.
3553   */
3554  function wp_richedit_pre($text) {
3555      _deprecated_function( __FUNCTION__, '4.3.0', 'format_for_editor()' );
3556  
3557      if ( empty( $text ) ) {
3558          /**
3559           * Filters text returned for the rich text editor.
3560           *
3561           * This filter is first evaluated, and the value returned, if an empty string
3562           * is passed to wp_richedit_pre(). If an empty string is passed, it results
3563           * in a break tag and line feed.
3564           *
3565           * If a non-empty string is passed, the filter is evaluated on the wp_richedit_pre()
3566           * return after being formatted.
3567           *
3568           * @since 2.0.0
3569           * @deprecated 4.3.0
3570           *
3571           * @param string $output Text for the rich text editor.
3572           */
3573          return apply_filters( 'richedit_pre', '' );
3574      }
3575  
3576      $output = convert_chars($text);
3577      $output = wpautop($output);
3578      $output = htmlspecialchars($output, ENT_NOQUOTES, get_option( 'blog_charset' ) );
3579  
3580      /** This filter is documented in wp-includes/deprecated.php */
3581      return apply_filters( 'richedit_pre', $output );
3582  }
3583  
3584  /**
3585   * Formats text for the HTML editor.
3586   *
3587   * Unless $output is empty it will pass through htmlspecialchars before the
3588   * {@see 'htmledit_pre'} filter is applied.
3589   *
3590   * @since 2.5.0
3591   * @deprecated 4.3.0 Use format_for_editor()
3592   * @see format_for_editor()
3593   *
3594   * @param string $output The text to be formatted.
3595   * @return string Formatted text after filter applied.
3596   */
3597  function wp_htmledit_pre($output) {
3598      _deprecated_function( __FUNCTION__, '4.3.0', 'format_for_editor()' );
3599  
3600      if ( !empty($output) )
3601          $output = htmlspecialchars($output, ENT_NOQUOTES, get_option( 'blog_charset' ) ); // convert only < > &
3602  
3603      /**
3604       * Filters the text before it is formatted for the HTML editor.
3605       *
3606       * @since 2.5.0
3607       * @deprecated 4.3.0
3608       *
3609       * @param string $output The HTML-formatted text.
3610       */
3611      return apply_filters( 'htmledit_pre', $output );
3612  }
3613  
3614  /**
3615   * Retrieve permalink from post ID.
3616   *
3617   * @since 1.0.0
3618   * @deprecated 4.4.0 Use get_permalink()
3619   * @see get_permalink()
3620   *
3621   * @param int|WP_Post $post_id Optional. Post ID or WP_Post object. Default is global $post.
3622   * @return string|false
3623   */
3624  function post_permalink( $post_id = 0 ) {
3625      _deprecated_function( __FUNCTION__, '4.4.0', 'get_permalink()' );
3626  
3627      return get_permalink( $post_id );
3628  }
3629  
3630  /**
3631   * Perform a HTTP HEAD or GET request.
3632   *
3633   * If $file_path is a writable filename, this will do a GET request and write
3634   * the file to that path.
3635   *
3636   * @since 2.5.0
3637   * @deprecated 4.4.0 Use WP_Http
3638   * @see WP_Http
3639   *
3640   * @param string      $url       URL to fetch.
3641   * @param string|bool $file_path Optional. File path to write request to. Default false.
3642   * @param int         $red       Optional. The number of Redirects followed, Upon 5 being hit,
3643   *                               returns false. Default 1.
3644   * @return bool|string False on failure and string of headers if HEAD request.
3645   */
3646  function wp_get_http( $url, $file_path = false, $red = 1 ) {
3647      _deprecated_function( __FUNCTION__, '4.4.0', 'WP_Http' );
3648  
3649      @set_time_limit( 60 );
3650  
3651      if ( $red > 5 )
3652          return false;
3653  
3654      $options = array();
3655      $options['redirection'] = 5;
3656  
3657      if ( false == $file_path )
3658          $options['method'] = 'HEAD';
3659      else
3660          $options['method'] = 'GET';
3661  
3662      $response = wp_safe_remote_request( $url, $options );
3663  
3664      if ( is_wp_error( $response ) )
3665          return false;
3666  
3667      $headers = wp_remote_retrieve_headers( $response );
3668      $headers['response'] = wp_remote_retrieve_response_code( $response );
3669  
3670      // WP_HTTP no longer follows redirects for HEAD requests.
3671      if ( 'HEAD' == $options['method'] && in_array($headers['response'], array(301, 302)) && isset( $headers['location'] ) ) {
3672          return wp_get_http( $headers['location'], $file_path, ++$red );
3673      }
3674  
3675      if ( false == $file_path )
3676          return $headers;
3677  
3678      // GET request - write it to the supplied filename
3679      $out_fp = fopen($file_path, 'w');
3680      if ( !$out_fp )
3681          return $headers;
3682  
3683      fwrite( $out_fp,  wp_remote_retrieve_body( $response ) );
3684      fclose($out_fp);
3685      clearstatcache();
3686  
3687      return $headers;
3688  }
3689  
3690  /**
3691   * Whether SSL login should be forced.
3692   *
3693   * @since 2.6.0
3694   * @deprecated 4.4.0 Use force_ssl_admin()
3695   * @see force_ssl_admin()
3696   *
3697   * @param string|bool $force Optional Whether to force SSL login. Default null.
3698   * @return bool True if forced, false if not forced.
3699   */
3700  function force_ssl_login( $force = null ) {
3701      _deprecated_function( __FUNCTION__, '4.4.0', 'force_ssl_admin()' );
3702      return force_ssl_admin( $force );
3703  }
3704  
3705  /**
3706   * Retrieve path of comment popup template in current or parent template.
3707   *
3708   * @since 1.5.0
3709   * @deprecated 4.5.0
3710   *
3711   * @return string Full path to comments popup template file.
3712   */
3713  function get_comments_popup_template() {
3714      _deprecated_function( __FUNCTION__, '4.5.0' );
3715  
3716      return '';
3717  }
3718  
3719  /**
3720   * Determines whether the current URL is within the comments popup window.
3721   * 
3722   * For more information on this and similar theme functions, check out
3723   * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
3724   * Conditional Tags} article in the Theme Developer Handbook.
3725   * 
3726   * @since 1.5.0
3727   * @deprecated 4.5.0
3728   *
3729   * @return bool
3730   */
3731  function is_comments_popup() {
3732      _deprecated_function( __FUNCTION__, '4.5.0' );
3733  
3734      return false;
3735  }
3736  
3737  /**
3738   * Display the JS popup script to show a comment.
3739   *
3740   * @since 0.71
3741   * @deprecated 4.5.0
3742   */
3743  function comments_popup_script() {
3744      _deprecated_function( __FUNCTION__, '4.5.0' );
3745  }
3746  
3747  /**
3748   * Adds element attributes to open links in new tabs.
3749   *
3750   * @since 0.71
3751   * @deprecated 4.5.0
3752   *
3753   * @param string $text Content to replace links to open in a new tab.
3754   * @return string Content that has filtered links.
3755   */
3756  function popuplinks( $text ) {
3757      _deprecated_function( __FUNCTION__, '4.5.0' );
3758      $text = preg_replace('/<a (.+?)>/i', "<a $1 target='_blank' rel='external'>", $text);
3759      return $text;
3760  }
3761  
3762  /**
3763   * The Google Video embed handler callback.
3764   *
3765   * Deprecated function that previously assisted in turning Google Video URLs
3766   * into embeds but that service has since been shut down.
3767   *
3768   * @since 2.9.0
3769   * @deprecated 4.6.0
3770   *
3771   * @return string An empty string.
3772   */
3773  function wp_embed_handler_googlevideo( $matches, $attr, $url, $rawattr ) {
3774      _deprecated_function( __FUNCTION__, '4.6.0' );
3775  
3776      return '';
3777  }
3778  
3779  /**
3780   * Retrieve path of paged template in current or parent template.
3781   *
3782   * @since 1.5.0
3783   * @deprecated 4.7.0 The paged.php template is no longer part of the theme template hierarchy.
3784   *
3785   * @return string Full path to paged template file.
3786   */
3787  function get_paged_template() {
3788      _deprecated_function( __FUNCTION__, '4.7.0' );
3789  
3790      return get_query_template( 'paged' );
3791  }
3792  
3793  /**
3794   * Removes the HTML JavaScript entities found in early versions of Netscape 4.
3795   *
3796   * Previously, this function was pulled in from the original
3797   * import of kses and removed a specific vulnerability only
3798   * existent in early version of Netscape 4. However, this
3799   * vulnerability never affected any other browsers and can
3800   * be considered safe for the modern web.
3801   *
3802   * The regular expression which sanitized this vulnerability
3803   * has been removed in consideration of the performance and
3804   * energy demands it placed, now merely passing through its
3805   * input to the return.
3806   *
3807   * @since 1.0.0
3808   * @deprecated 4.7.0 Officially dropped security support for Netscape 4.
3809   *
3810   * @param string $string
3811   * @return string
3812   */
3813  function wp_kses_js_entities( $string ) {
3814      _deprecated_function( __FUNCTION__, '4.7.0' );
3815  
3816      return preg_replace( '%&\s*\{[^}]*(\}\s*;?|$)%', '', $string );
3817  }
3818  
3819  /**
3820   * Sort categories by ID.
3821   *
3822   * Used by usort() as a callback, should not be used directly. Can actually be
3823   * used to sort any term object.
3824   *
3825   * @since 2.3.0
3826   * @deprecated 4.7.0 Use wp_list_sort()
3827   * @access private
3828   *
3829   * @param object $a
3830   * @param object $b
3831   * @return int
3832   */
3833  function _usort_terms_by_ID( $a, $b ) {
3834      _deprecated_function( __FUNCTION__, '4.7.0', 'wp_list_sort()' );
3835  
3836      if ( $a->term_id > $b->term_id )
3837          return 1;
3838      elseif ( $a->term_id < $b->term_id )
3839          return -1;
3840      else
3841          return 0;
3842  }
3843  
3844  /**
3845   * Sort categories by name.
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_name( $a, $b ) {
3859      _deprecated_function( __FUNCTION__, '4.7.0', 'wp_list_sort()' );
3860  
3861      return strcmp( $a->name, $b->name );
3862  }
3863  
3864  /**
3865   * Sort menu items by the desired key.
3866   *
3867   * @since 3.0.0
3868   * @deprecated 4.7.0 Use wp_list_sort()
3869   * @access private
3870   *
3871   * @global string $_menu_item_sort_prop
3872   *
3873   * @param object $a The first object to compare
3874   * @param object $b The second object to compare
3875   * @return int -1, 0, or 1 if $a is considered to be respectively less than, equal to, or greater than $b.
3876   */
3877  function _sort_nav_menu_items( $a, $b ) {
3878      global $_menu_item_sort_prop;
3879  
3880      _deprecated_function( __FUNCTION__, '4.7.0', 'wp_list_sort()' );
3881  
3882      if ( empty( $_menu_item_sort_prop ) )
3883          return 0;
3884  
3885      if ( ! isset( $a->$_menu_item_sort_prop ) || ! isset( $b->$_menu_item_sort_prop ) )
3886          return 0;
3887  
3888      $_a = (int) $a->$_menu_item_sort_prop;
3889      $_b = (int) $b->$_menu_item_sort_prop;
3890  
3891      if ( $a->$_menu_item_sort_prop == $b->$_menu_item_sort_prop )
3892          return 0;
3893      elseif ( $_a == $a->$_menu_item_sort_prop && $_b == $b->$_menu_item_sort_prop )
3894          return $_a < $_b ? -1 : 1;
3895      else
3896          return strcmp( $a->$_menu_item_sort_prop, $b->$_menu_item_sort_prop );
3897  }
3898  
3899  /**
3900   * Retrieves the Press This bookmarklet link.
3901   *
3902   * @since 2.6.0
3903   * @deprecated 4.9.0
3904   *
3905   */
3906  function get_shortcut_link() {
3907      _deprecated_function( __FUNCTION__, '4.9.0' );
3908  
3909      $link = '';
3910  
3911      /**
3912       * Filters the Press This bookmarklet link.
3913       *
3914       * @since 2.6.0
3915       * @deprecated 4.9.0
3916       *
3917       * @param string $link The Press This bookmarklet link.
3918       */
3919      return apply_filters( 'shortcut_link', $link );
3920  }
3921  
3922  /**
3923  * Ajax handler for saving a post from Press This.
3924  *
3925  * @since 4.2.0
3926  * @deprecated 4.9.0
3927  */
3928  function wp_ajax_press_this_save_post() {
3929      _deprecated_function( __FUNCTION__, '4.9.0' );
3930      if ( is_plugin_active( 'press-this/press-this-plugin.php' ) ) {
3931          include( WP_PLUGIN_DIR . '/press-this/class-wp-press-this-plugin.php' );
3932          $wp_press_this = new WP_Press_This_Plugin();
3933          $wp_press_this->save_post();
3934      } else {
3935          wp_send_json_error( array( 'errorMessage' => __( 'The Press This plugin is required.' ) ) );
3936      }
3937  }
3938  
3939  /**
3940  * Ajax handler for creating new category from Press This.
3941  *
3942  * @since 4.2.0
3943  * @deprecated 4.9.0
3944  */
3945  function wp_ajax_press_this_add_category() {
3946      _deprecated_function( __FUNCTION__, '4.9.0' );
3947      if ( is_plugin_active( 'press-this/press-this-plugin.php' ) ) {
3948          include( WP_PLUGIN_DIR . '/press-this/class-wp-press-this-plugin.php' );
3949          $wp_press_this = new WP_Press_This_Plugin();
3950          $wp_press_this->add_category();
3951      } else {
3952          wp_send_json_error( array( 'errorMessage' => __( 'The Press This plugin is required.' ) ) );
3953      }
3954  }


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