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/wp-admin/includes/ -> template.php (source)

   1  <?php
   2  /**
   3   * Template WordPress Administration API.
   4   *
   5   * A Big Mess. Also some neat functions that are nicely written.
   6   *
   7   * @package WordPress
   8   * @subpackage Administration
   9   */
  10  
  11  /** Walker_Category_Checklist class */
  12  require_once  ABSPATH . 'wp-admin/includes/class-walker-category-checklist.php';
  13  
  14  /** WP_Internal_Pointers class */
  15  require_once  ABSPATH . 'wp-admin/includes/class-wp-internal-pointers.php';
  16  
  17  //
  18  // Category Checklists.
  19  //
  20  
  21  /**
  22   * Outputs an unordered list of checkbox input elements labeled with category names.
  23   *
  24   * @since 2.5.1
  25   *
  26   * @see wp_terms_checklist()
  27   *
  28   * @param int         $post_id              Optional. Post to generate a categories checklist for. Default 0.
  29   *                                          $selected_cats must not be an array. Default 0.
  30   * @param int         $descendants_and_self Optional. ID of the category to output along with its descendants.
  31   *                                          Default 0.
  32   * @param int[]|false $selected_cats        Optional. Array of category IDs to mark as checked. Default false.
  33   * @param int[]|false $popular_cats         Optional. Array of category IDs to receive the "popular-category" class.
  34   *                                          Default false.
  35   * @param Walker      $walker               Optional. Walker object to use to build the output.
  36   *                                          Default is a Walker_Category_Checklist instance.
  37   * @param bool        $checked_ontop        Optional. Whether to move checked items out of the hierarchy and to
  38   *                                          the top of the list. Default true.
  39   */
  40  function wp_category_checklist( $post_id = 0, $descendants_and_self = 0, $selected_cats = false, $popular_cats = false, $walker = null, $checked_ontop = true ) {
  41      wp_terms_checklist(
  42          $post_id,
  43          array(
  44              'taxonomy'             => 'category',
  45              'descendants_and_self' => $descendants_and_self,
  46              'selected_cats'        => $selected_cats,
  47              'popular_cats'         => $popular_cats,
  48              'walker'               => $walker,
  49              'checked_ontop'        => $checked_ontop,
  50          )
  51      );
  52  }
  53  
  54  /**
  55   * Outputs an unordered list of checkbox input elements labelled with term names.
  56   *
  57   * Taxonomy-independent version of wp_category_checklist().
  58   *
  59   * @since 3.0.0
  60   * @since 4.4.0 Introduced the `$echo` argument.
  61   *
  62   * @param int          $post_id Optional. Post ID. Default 0.
  63   * @param array|string $args {
  64   *     Optional. Array or string of arguments for generating a terms checklist. Default empty array.
  65   *
  66   *     @type int    $descendants_and_self ID of the category to output along with its descendants.
  67   *                                        Default 0.
  68   *     @type int[]  $selected_cats        Array of category IDs to mark as checked. Default false.
  69   *     @type int[]  $popular_cats         Array of category IDs to receive the "popular-category" class.
  70   *                                        Default false.
  71   *     @type Walker $walker               Walker object to use to build the output. Default empty which
  72   *                                        results in a Walker_Category_Checklist instance being used.
  73   *     @type string $taxonomy             Taxonomy to generate the checklist for. Default 'category'.
  74   *     @type bool   $checked_ontop        Whether to move checked items out of the hierarchy and to
  75   *                                        the top of the list. Default true.
  76   *     @type bool   $echo                 Whether to echo the generated markup. False to return the markup instead
  77   *                                        of echoing it. Default true.
  78   * }
  79   * @return string HTML list of input elements.
  80   */
  81  function wp_terms_checklist( $post_id = 0, $args = array() ) {
  82      $defaults = array(
  83          'descendants_and_self' => 0,
  84          'selected_cats'        => false,
  85          'popular_cats'         => false,
  86          'walker'               => null,
  87          'taxonomy'             => 'category',
  88          'checked_ontop'        => true,
  89          'echo'                 => true,
  90      );
  91  
  92      /**
  93       * Filters the taxonomy terms checklist arguments.
  94       *
  95       * @since 3.4.0
  96       *
  97       * @see wp_terms_checklist()
  98       *
  99       * @param array|string $args    An array or string of arguments.
 100       * @param int          $post_id The post ID.
 101       */
 102      $params = apply_filters( 'wp_terms_checklist_args', $args, $post_id );
 103  
 104      $parsed_args = wp_parse_args( $params, $defaults );
 105  
 106      if ( empty( $parsed_args['walker'] ) || ! ( $parsed_args['walker'] instanceof Walker ) ) {
 107          $walker = new Walker_Category_Checklist();
 108      } else {
 109          $walker = $parsed_args['walker'];
 110      }
 111  
 112      $taxonomy             = $parsed_args['taxonomy'];
 113      $descendants_and_self = (int) $parsed_args['descendants_and_self'];
 114  
 115      $args = array( 'taxonomy' => $taxonomy );
 116  
 117      $tax              = get_taxonomy( $taxonomy );
 118      $args['disabled'] = ! current_user_can( $tax->cap->assign_terms );
 119  
 120      $args['list_only'] = ! empty( $parsed_args['list_only'] );
 121  
 122      if ( is_array( $parsed_args['selected_cats'] ) ) {
 123          $args['selected_cats'] = array_map( 'intval', $parsed_args['selected_cats'] );
 124      } elseif ( $post_id ) {
 125          $args['selected_cats'] = wp_get_object_terms( $post_id, $taxonomy, array_merge( $args, array( 'fields' => 'ids' ) ) );
 126      } else {
 127          $args['selected_cats'] = array();
 128      }
 129  
 130      if ( is_array( $parsed_args['popular_cats'] ) ) {
 131          $args['popular_cats'] = array_map( 'intval', $parsed_args['popular_cats'] );
 132      } else {
 133          $args['popular_cats'] = get_terms(
 134              array(
 135                  'taxonomy'     => $taxonomy,
 136                  'fields'       => 'ids',
 137                  'orderby'      => 'count',
 138                  'order'        => 'DESC',
 139                  'number'       => 10,
 140                  'hierarchical' => false,
 141              )
 142          );
 143      }
 144  
 145      if ( $descendants_and_self ) {
 146          $categories = (array) get_terms(
 147              array(
 148                  'taxonomy'     => $taxonomy,
 149                  'child_of'     => $descendants_and_self,
 150                  'hierarchical' => 0,
 151                  'hide_empty'   => 0,
 152              )
 153          );
 154          $self       = get_term( $descendants_and_self, $taxonomy );
 155          array_unshift( $categories, $self );
 156      } else {
 157          $categories = (array) get_terms(
 158              array(
 159                  'taxonomy' => $taxonomy,
 160                  'get'      => 'all',
 161              )
 162          );
 163      }
 164  
 165      $output = '';
 166  
 167      if ( $parsed_args['checked_ontop'] ) {
 168          /*
 169           * Post-process $categories rather than adding an exclude to the get_terms() query
 170           * to keep the query the same across all posts (for any query cache).
 171           */
 172          $checked_categories = array();
 173          $keys               = array_keys( $categories );
 174  
 175          foreach ( $keys as $k ) {
 176              if ( in_array( $categories[ $k ]->term_id, $args['selected_cats'], true ) ) {
 177                  $checked_categories[] = $categories[ $k ];
 178                  unset( $categories[ $k ] );
 179              }
 180          }
 181  
 182          // Put checked categories on top.
 183          $output .= $walker->walk( $checked_categories, 0, $args );
 184      }
 185      // Then the rest of them.
 186      $output .= $walker->walk( $categories, 0, $args );
 187  
 188      if ( $parsed_args['echo'] ) {
 189          echo $output;
 190      }
 191  
 192      return $output;
 193  }
 194  
 195  /**
 196   * Retrieves a list of the most popular terms from the specified taxonomy.
 197   *
 198   * If the `$display` argument is true then the elements for a list of checkbox
 199   * `<input>` elements labelled with the names of the selected terms is output.
 200   * If the `$post_ID` global is not empty then the terms associated with that
 201   * post will be marked as checked.
 202   *
 203   * @since 2.5.0
 204   *
 205   * @param string $taxonomy     Taxonomy to retrieve terms from.
 206   * @param int    $default_term Optional. Not used.
 207   * @param int    $number       Optional. Number of terms to retrieve. Default 10.
 208   * @param bool   $display      Optional. Whether to display the list as well. Default true.
 209   * @return int[] Array of popular term IDs.
 210   */
 211  function wp_popular_terms_checklist( $taxonomy, $default_term = 0, $number = 10, $display = true ) {
 212      $post = get_post();
 213  
 214      if ( $post && $post->ID ) {
 215          $checked_terms = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'ids' ) );
 216      } else {
 217          $checked_terms = array();
 218      }
 219  
 220      $terms = get_terms(
 221          array(
 222              'taxonomy'     => $taxonomy,
 223              'orderby'      => 'count',
 224              'order'        => 'DESC',
 225              'number'       => $number,
 226              'hierarchical' => false,
 227          )
 228      );
 229  
 230      $tax = get_taxonomy( $taxonomy );
 231  
 232      $popular_ids = array();
 233  
 234      foreach ( (array) $terms as $term ) {
 235          $popular_ids[] = $term->term_id;
 236  
 237          if ( ! $display ) { // Hack for Ajax use.
 238              continue;
 239          }
 240  
 241          $id      = "popular-$taxonomy-$term->term_id";
 242          $checked = in_array( $term->term_id, $checked_terms, true ) ? 'checked="checked"' : '';
 243          ?>
 244  
 245          <li id="<?php echo $id; ?>" class="popular-category">
 246              <label class="selectit">
 247                  <input id="in-<?php echo $id; ?>" type="checkbox" <?php echo $checked; ?> value="<?php echo (int) $term->term_id; ?>" <?php disabled( ! current_user_can( $tax->cap->assign_terms ) ); ?> />
 248                  <?php
 249                  /** This filter is documented in wp-includes/category-template.php */
 250                  echo esc_html( apply_filters( 'the_category', $term->name, '', '' ) );
 251                  ?>
 252              </label>
 253          </li>
 254  
 255          <?php
 256      }
 257      return $popular_ids;
 258  }
 259  
 260  /**
 261   * Outputs a link category checklist element.
 262   *
 263   * @since 2.5.1
 264   *
 265   * @param int $link_id Optional. The link ID. Default 0.
 266   */
 267  function wp_link_category_checklist( $link_id = 0 ) {
 268      $default = 1;
 269  
 270      $checked_categories = array();
 271  
 272      if ( $link_id ) {
 273          $checked_categories = wp_get_link_cats( $link_id );
 274          // No selected categories, strange.
 275          if ( ! count( $checked_categories ) ) {
 276              $checked_categories[] = $default;
 277          }
 278      } else {
 279          $checked_categories[] = $default;
 280      }
 281  
 282      $categories = get_terms(
 283          array(
 284              'taxonomy'   => 'link_category',
 285              'orderby'    => 'name',
 286              'hide_empty' => 0,
 287          )
 288      );
 289  
 290      if ( empty( $categories ) ) {
 291          return;
 292      }
 293  
 294      foreach ( $categories as $category ) {
 295          $cat_id = $category->term_id;
 296  
 297          /** This filter is documented in wp-includes/category-template.php */
 298          $name    = esc_html( apply_filters( 'the_category', $category->name, '', '' ) );
 299          $checked = in_array( $cat_id, $checked_categories, true ) ? ' checked="checked"' : '';
 300          echo '<li id="link-category-', $cat_id, '"><label for="in-link-category-', $cat_id, '" class="selectit"><input value="', $cat_id, '" type="checkbox" name="link_category[]" id="in-link-category-', $cat_id, '"', $checked, '/> ', $name, '</label></li>';
 301      }
 302  }
 303  
 304  /**
 305   * Adds hidden fields with the data for use in the inline editor for posts and pages.
 306   *
 307   * @since 2.7.0
 308   *
 309   * @param WP_Post $post Post object.
 310   */
 311  function get_inline_data( $post ) {
 312      $post_type_object = get_post_type_object( $post->post_type );
 313      if ( ! current_user_can( 'edit_post', $post->ID ) ) {
 314          return;
 315      }
 316  
 317      $title = esc_textarea( trim( $post->post_title ) );
 318  
 319      echo '
 320  <div class="hidden" id="inline_' . $post->ID . '">
 321      <div class="post_title">' . $title . '</div>' .
 322      /** This filter is documented in wp-admin/edit-tag-form.php */
 323      '<div class="post_name">' . apply_filters( 'editable_slug', $post->post_name, $post ) . '</div>
 324      <div class="post_author">' . $post->post_author . '</div>
 325      <div class="comment_status">' . esc_html( $post->comment_status ) . '</div>
 326      <div class="ping_status">' . esc_html( $post->ping_status ) . '</div>
 327      <div class="_status">' . esc_html( $post->post_status ) . '</div>
 328      <div class="jj">' . mysql2date( 'd', $post->post_date, false ) . '</div>
 329      <div class="mm">' . mysql2date( 'm', $post->post_date, false ) . '</div>
 330      <div class="aa">' . mysql2date( 'Y', $post->post_date, false ) . '</div>
 331      <div class="hh">' . mysql2date( 'H', $post->post_date, false ) . '</div>
 332      <div class="mn">' . mysql2date( 'i', $post->post_date, false ) . '</div>
 333      <div class="ss">' . mysql2date( 's', $post->post_date, false ) . '</div>
 334      <div class="post_password">' . esc_html( $post->post_password ) . '</div>';
 335  
 336      if ( $post_type_object->hierarchical ) {
 337          echo '<div class="post_parent">' . $post->post_parent . '</div>';
 338      }
 339  
 340      echo '<div class="page_template">' . ( $post->page_template ? esc_html( $post->page_template ) : 'default' ) . '</div>';
 341  
 342      if ( post_type_supports( $post->post_type, 'page-attributes' ) ) {
 343          echo '<div class="menu_order">' . $post->menu_order . '</div>';
 344      }
 345  
 346      $taxonomy_names = get_object_taxonomies( $post->post_type );
 347  
 348      foreach ( $taxonomy_names as $taxonomy_name ) {
 349          $taxonomy = get_taxonomy( $taxonomy_name );
 350  
 351          if ( ! $taxonomy->show_in_quick_edit ) {
 352              continue;
 353          }
 354  
 355          if ( $taxonomy->hierarchical ) {
 356  
 357              $terms = get_object_term_cache( $post->ID, $taxonomy_name );
 358              if ( false === $terms ) {
 359                  $terms = wp_get_object_terms( $post->ID, $taxonomy_name );
 360                  wp_cache_add( $post->ID, wp_list_pluck( $terms, 'term_id' ), $taxonomy_name . '_relationships' );
 361              }
 362              $term_ids = empty( $terms ) ? array() : wp_list_pluck( $terms, 'term_id' );
 363  
 364              echo '<div class="post_category" id="' . $taxonomy_name . '_' . $post->ID . '">' . implode( ',', $term_ids ) . '</div>';
 365  
 366          } else {
 367  
 368              $terms_to_edit = get_terms_to_edit( $post->ID, $taxonomy_name );
 369              if ( ! is_string( $terms_to_edit ) ) {
 370                  $terms_to_edit = '';
 371              }
 372  
 373              echo '<div class="tags_input" id="' . $taxonomy_name . '_' . $post->ID . '">'
 374                  . esc_html( str_replace( ',', ', ', $terms_to_edit ) ) . '</div>';
 375  
 376          }
 377      }
 378  
 379      if ( ! $post_type_object->hierarchical ) {
 380          echo '<div class="sticky">' . ( is_sticky( $post->ID ) ? 'sticky' : '' ) . '</div>';
 381      }
 382  
 383      if ( post_type_supports( $post->post_type, 'post-formats' ) ) {
 384          echo '<div class="post_format">' . esc_html( get_post_format( $post->ID ) ) . '</div>';
 385      }
 386  
 387      /**
 388       * Fires after outputting the fields for the inline editor for posts and pages.
 389       *
 390       * @since 4.9.8
 391       *
 392       * @param WP_Post      $post             The current post object.
 393       * @param WP_Post_Type $post_type_object The current post's post type object.
 394       */
 395      do_action( 'add_inline_data', $post, $post_type_object );
 396  
 397      echo '</div>';
 398  }
 399  
 400  /**
 401   * Outputs the in-line comment reply-to form in the Comments list table.
 402   *
 403   * @since 2.7.0
 404   *
 405   * @global WP_List_Table $wp_list_table
 406   *
 407   * @param int    $position  Optional. The value of the 'position' input field. Default 1.
 408   * @param bool   $checkbox  Optional. The value of the 'checkbox' input field. Default false.
 409   * @param string $mode      Optional. If set to 'single', will use WP_Post_Comments_List_Table,
 410   *                          otherwise WP_Comments_List_Table. Default 'single'.
 411   * @param bool   $table_row Optional. Whether to use a table instead of a div element. Default true.
 412   */
 413  function wp_comment_reply( $position = 1, $checkbox = false, $mode = 'single', $table_row = true ) {
 414      global $wp_list_table;
 415      /**
 416       * Filters the in-line comment reply-to form output in the Comments
 417       * list table.
 418       *
 419       * Returning a non-empty value here will short-circuit display
 420       * of the in-line comment-reply form in the Comments list table,
 421       * echoing the returned value instead.
 422       *
 423       * @since 2.7.0
 424       *
 425       * @see wp_comment_reply()
 426       *
 427       * @param string $content The reply-to form content.
 428       * @param array  $args    An array of default args.
 429       */
 430      $content = apply_filters(
 431          'wp_comment_reply',
 432          '',
 433          array(
 434              'position' => $position,
 435              'checkbox' => $checkbox,
 436              'mode'     => $mode,
 437          )
 438      );
 439  
 440      if ( ! empty( $content ) ) {
 441          echo $content;
 442          return;
 443      }
 444  
 445      if ( ! $wp_list_table ) {
 446          if ( 'single' === $mode ) {
 447              $wp_list_table = _get_list_table( 'WP_Post_Comments_List_Table' );
 448          } else {
 449              $wp_list_table = _get_list_table( 'WP_Comments_List_Table' );
 450          }
 451      }
 452  
 453      ?>
 454  <form method="get">
 455      <?php if ( $table_row ) : ?>
 456  <table style="display:none;"><tbody id="com-reply"><tr id="replyrow" class="inline-edit-row" style="display:none;"><td colspan="<?php echo $wp_list_table->get_column_count(); ?>" class="colspanchange">
 457  <?php else : ?>
 458  <div id="com-reply" style="display:none;"><div id="replyrow" style="display:none;">
 459  <?php endif; ?>
 460      <fieldset class="comment-reply">
 461      <legend>
 462          <span class="hidden" id="editlegend"><?php _e( 'Edit Comment' ); ?></span>
 463          <span class="hidden" id="replyhead"><?php _e( 'Reply to Comment' ); ?></span>
 464          <span class="hidden" id="addhead"><?php _e( 'Add Comment' ); ?></span>
 465      </legend>
 466  
 467      <div id="replycontainer">
 468      <label for="replycontent" class="screen-reader-text">
 469          <?php
 470          /* translators: Hidden accessibility text. */
 471          _e( 'Comment' );
 472          ?>
 473      </label>
 474      <?php
 475      $quicktags_settings = array( 'buttons' => 'strong,em,link,block,del,ins,img,ul,ol,li,code,close' );
 476      wp_editor(
 477          '',
 478          'replycontent',
 479          array(
 480              'media_buttons' => false,
 481              'tinymce'       => false,
 482              'quicktags'     => $quicktags_settings,
 483          )
 484      );
 485      ?>
 486      </div>
 487  
 488      <div id="edithead" style="display:none;">
 489          <div class="inside">
 490          <label for="author-name"><?php _e( 'Name' ); ?></label>
 491          <input type="text" name="newcomment_author" size="50" value="" id="author-name" />
 492          </div>
 493  
 494          <div class="inside">
 495          <label for="author-email"><?php _e( 'Email' ); ?></label>
 496          <input type="text" name="newcomment_author_email" size="50" class="code" value="" id="author-email" />
 497          </div>
 498  
 499          <div class="inside">
 500          <label for="author-url"><?php _e( 'URL' ); ?></label>
 501          <input type="text" id="author-url" name="newcomment_author_url" class="code" size="103" value="" />
 502          </div>
 503      </div>
 504  
 505      <div id="replysubmit" class="submit">
 506          <p class="reply-submit-buttons">
 507              <button type="button" class="save button button-primary">
 508                  <span id="addbtn" style="display: none;"><?php _e( 'Add Comment' ); ?></span>
 509                  <span id="savebtn" style="display: none;"><?php _e( 'Update Comment' ); ?></span>
 510                  <span id="replybtn" style="display: none;"><?php _e( 'Submit Reply' ); ?></span>
 511              </button>
 512              <button type="button" class="cancel button"><?php _e( 'Cancel' ); ?></button>
 513              <span class="waiting spinner"></span>
 514          </p>
 515          <?php
 516          wp_admin_notice(
 517              '<p class="error"></p>',
 518              array(
 519                  'type'               => 'error',
 520                  'additional_classes' => array( 'notice-alt', 'inline', 'hidden' ),
 521                  'paragraph_wrap'     => false,
 522              )
 523          );
 524          ?>
 525      </div>
 526  
 527      <input type="hidden" name="action" id="action" value="" />
 528      <input type="hidden" name="comment_ID" id="comment_ID" value="" />
 529      <input type="hidden" name="comment_post_ID" id="comment_post_ID" value="" />
 530      <input type="hidden" name="status" id="status" value="" />
 531      <input type="hidden" name="position" id="position" value="<?php echo $position; ?>" />
 532      <input type="hidden" name="checkbox" id="checkbox" value="<?php echo $checkbox ? 1 : 0; ?>" />
 533      <input type="hidden" name="mode" id="mode" value="<?php echo esc_attr( $mode ); ?>" />
 534      <?php
 535          wp_nonce_field( 'replyto-comment', '_ajax_nonce-replyto-comment', false );
 536      if ( current_user_can( 'unfiltered_html' ) ) {
 537          wp_nonce_field( 'unfiltered-html-comment', '_wp_unfiltered_html_comment', false );
 538      }
 539      ?>
 540      </fieldset>
 541      <?php if ( $table_row ) : ?>
 542  </td></tr></tbody></table>
 543      <?php else : ?>
 544  </div></div>
 545      <?php endif; ?>
 546  </form>
 547      <?php
 548  }
 549  
 550  /**
 551   * Outputs 'undo move to Trash' text for comments.
 552   *
 553   * @since 2.9.0
 554   */
 555  function wp_comment_trashnotice() {
 556      ?>
 557  <div class="hidden" id="trash-undo-holder">
 558      <div class="trash-undo-inside">
 559          <?php
 560          /* translators: %s: Comment author, filled by Ajax. */
 561          printf( __( 'Comment by %s moved to the Trash.' ), '<strong></strong>' );
 562          ?>
 563          <span class="undo untrash"><a href="#"><?php _e( 'Undo' ); ?></a></span>
 564      </div>
 565  </div>
 566  <div class="hidden" id="spam-undo-holder">
 567      <div class="spam-undo-inside">
 568          <?php
 569          /* translators: %s: Comment author, filled by Ajax. */
 570          printf( __( 'Comment by %s marked as spam.' ), '<strong></strong>' );
 571          ?>
 572          <span class="undo unspam"><a href="#"><?php _e( 'Undo' ); ?></a></span>
 573      </div>
 574  </div>
 575      <?php
 576  }
 577  
 578  /**
 579   * Outputs a post's public meta data in the Custom Fields meta box.
 580   *
 581   * @since 1.2.0
 582   *
 583   * @param array[] $meta An array of meta data arrays keyed on 'meta_key' and 'meta_value'.
 584   */
 585  function list_meta( $meta ) {
 586      // Exit if no meta.
 587      if ( ! $meta ) {
 588          echo '
 589  <table id="list-table" style="display: none;">
 590      <thead>
 591      <tr>
 592          <th class="left">' . _x( 'Name', 'meta name' ) . '</th>
 593          <th>' . __( 'Value' ) . '</th>
 594      </tr>
 595      </thead>
 596      <tbody id="the-list" data-wp-lists="list:meta">
 597      <tr><td></td></tr>
 598      </tbody>
 599  </table>'; // TBODY needed for list-manipulation JS.
 600          return;
 601      }
 602      $count = 0;
 603      ?>
 604  <table id="list-table">
 605      <thead>
 606      <tr>
 607          <th class="left"><?php _ex( 'Name', 'meta name' ); ?></th>
 608          <th><?php _e( 'Value' ); ?></th>
 609      </tr>
 610      </thead>
 611      <tbody id='the-list' data-wp-lists='list:meta'>
 612      <?php
 613      foreach ( $meta as $entry ) {
 614          echo _list_meta_row( $entry, $count );
 615      }
 616      ?>
 617      </tbody>
 618  </table>
 619      <?php
 620  }
 621  
 622  /**
 623   * Outputs a single row of public meta data in the Custom Fields meta box.
 624   *
 625   * @since 2.5.0
 626   *
 627   * @param array $entry An array of meta data keyed on 'meta_key' and 'meta_value'.
 628   * @param int   $count Reference to the row number.
 629   * @return string A single row of public meta data.
 630   */
 631  function _list_meta_row( $entry, &$count ) {
 632      static $update_nonce = '';
 633  
 634      if ( is_protected_meta( $entry['meta_key'], 'post' ) ) {
 635          return '';
 636      }
 637  
 638      if ( ! $update_nonce ) {
 639          $update_nonce = wp_create_nonce( 'add-meta' );
 640      }
 641  
 642      $r = '';
 643      ++$count;
 644  
 645      if ( is_serialized( $entry['meta_value'] ) ) {
 646          if ( is_serialized_string( $entry['meta_value'] ) ) {
 647              // This is a serialized string, so we should display it.
 648              $entry['meta_value'] = maybe_unserialize( $entry['meta_value'] );
 649          } else {
 650              // This is a serialized array/object so we should NOT display it.
 651              --$count;
 652              return '';
 653          }
 654      }
 655  
 656      $entry['meta_key']   = esc_attr( $entry['meta_key'] );
 657      $entry['meta_value'] = esc_textarea( $entry['meta_value'] ); // Using a <textarea />.
 658      $entry['meta_id']    = (int) $entry['meta_id'];
 659  
 660      $delete_nonce = wp_create_nonce( 'delete-meta_' . $entry['meta_id'] );
 661  
 662      $r .= "\n\t<tr id='meta-{$entry['meta_id']}'>";
 663      $r .= "\n\t\t<td class='left'><label class='screen-reader-text' for='meta-{$entry['meta_id']}-key'>" .
 664          /* translators: Hidden accessibility text. */
 665          __( 'Key' ) .
 666      "</label><input name='meta[{$entry['meta_id']}][key]' id='meta-{$entry['meta_id']}-key' type='text' size='20' value='{$entry['meta_key']}' />";
 667  
 668      $r .= "\n\t\t<div class='submit'>";
 669      $r .= get_submit_button( __( 'Delete' ), 'deletemeta small', "deletemeta[{$entry['meta_id']}]", false, array( 'data-wp-lists' => "delete:the-list:meta-{$entry['meta_id']}::_ajax_nonce=$delete_nonce" ) );
 670      $r .= "\n\t\t";
 671      $r .= get_submit_button( __( 'Update' ), 'updatemeta small', "meta-{$entry['meta_id']}-submit", false, array( 'data-wp-lists' => "add:the-list:meta-{$entry['meta_id']}::_ajax_nonce-add-meta=$update_nonce" ) );
 672      $r .= '</div>';
 673      $r .= wp_nonce_field( 'change-meta', '_ajax_nonce', false, false );
 674      $r .= '</td>';
 675  
 676      $r .= "\n\t\t<td><label class='screen-reader-text' for='meta-{$entry['meta_id']}-value'>" .
 677          /* translators: Hidden accessibility text. */
 678          __( 'Value' ) .
 679      "</label><textarea name='meta[{$entry['meta_id']}][value]' id='meta-{$entry['meta_id']}-value' rows='2' cols='30'>{$entry['meta_value']}</textarea></td>\n\t</tr>";
 680      return $r;
 681  }
 682  
 683  /**
 684   * Prints the form in the Custom Fields meta box.
 685   *
 686   * @since 1.2.0
 687   *
 688   * @global wpdb $wpdb WordPress database abstraction object.
 689   *
 690   * @param WP_Post $post Optional. The post being edited.
 691   */
 692  function meta_form( $post = null ) {
 693      global $wpdb;
 694      $post = get_post( $post );
 695  
 696      /**
 697       * Filters values for the meta key dropdown in the Custom Fields meta box.
 698       *
 699       * Returning a non-null value will effectively short-circuit and avoid a
 700       * potentially expensive query against postmeta.
 701       *
 702       * @since 4.4.0
 703       *
 704       * @param array|null $keys Pre-defined meta keys to be used in place of a postmeta query. Default null.
 705       * @param WP_Post    $post The current post object.
 706       */
 707      $keys = apply_filters( 'postmeta_form_keys', null, $post );
 708  
 709      if ( null === $keys ) {
 710          /**
 711           * Filters the number of custom fields to retrieve for the drop-down
 712           * in the Custom Fields meta box.
 713           *
 714           * @since 2.1.0
 715           *
 716           * @param int $limit Number of custom fields to retrieve. Default 30.
 717           */
 718          $limit = apply_filters( 'postmeta_form_limit', 30 );
 719  
 720          $keys = $wpdb->get_col(
 721              $wpdb->prepare(
 722                  "SELECT DISTINCT meta_key
 723                  FROM $wpdb->postmeta
 724                  WHERE meta_key NOT BETWEEN '_' AND '_z'
 725                  HAVING meta_key NOT LIKE %s
 726                  ORDER BY meta_key
 727                  LIMIT %d",
 728                  $wpdb->esc_like( '_' ) . '%',
 729                  $limit
 730              )
 731          );
 732      }
 733  
 734      if ( $keys ) {
 735          natcasesort( $keys );
 736      }
 737      ?>
 738  <p><strong><?php _e( 'Add Custom Field:' ); ?></strong></p>
 739  <table id="newmeta">
 740  <thead>
 741  <tr>
 742  <th class="left"><label for="metakeyselect"><?php _ex( 'Name', 'meta name' ); ?></label></th>
 743  <th><label for="metavalue"><?php _e( 'Value' ); ?></label></th>
 744  </tr>
 745  </thead>
 746  
 747  <tbody>
 748  <tr>
 749  <td id="newmetaleft" class="left">
 750      <?php if ( $keys ) { ?>
 751  <select id="metakeyselect" name="metakeyselect">
 752  <option value="#NONE#"><?php _e( '&mdash; Select &mdash;' ); ?></option>
 753          <?php
 754          foreach ( $keys as $key ) {
 755              if ( is_protected_meta( $key, 'post' ) || ! current_user_can( 'add_post_meta', $post->ID, $key ) ) {
 756                  continue;
 757              }
 758              echo "\n<option value='" . esc_attr( $key ) . "'>" . esc_html( $key ) . '</option>';
 759          }
 760          ?>
 761  </select>
 762  <input class="hidden" type="text" id="metakeyinput" name="metakeyinput" value="" aria-label="<?php _e( 'New custom field name' ); ?>" />
 763  <button type="button" id="newmeta-button" class="button button-small hide-if-no-js" onclick="jQuery('#metakeyinput, #metakeyselect, #enternew, #cancelnew').toggleClass('hidden');jQuery('#metakeyinput, #metakeyselect').filter(':visible').trigger('focus');">
 764  <span id="enternew"><?php _e( 'Enter new' ); ?></span>
 765  <span id="cancelnew" class="hidden"><?php _e( 'Cancel' ); ?></span></button>
 766  <?php } else { ?>
 767  <input type="text" id="metakeyinput" name="metakeyinput" value="" />
 768  <?php } ?>
 769  </td>
 770  <td><textarea id="metavalue" name="metavalue" rows="2" cols="25"></textarea>
 771      <?php wp_nonce_field( 'add-meta', '_ajax_nonce-add-meta', false ); ?>
 772  </td>
 773  </tr>
 774  </tbody>
 775  </table>
 776  <div class="submit add-custom-field">
 777      <?php
 778      submit_button(
 779          __( 'Add Custom Field' ),
 780          '',
 781          'addmeta',
 782          false,
 783          array(
 784              'id'            => 'newmeta-submit',
 785              'data-wp-lists' => 'add:the-list:newmeta',
 786          )
 787      );
 788      ?>
 789  </div>
 790      <?php
 791  }
 792  
 793  /**
 794   * Prints out HTML form date elements for editing post or comment publish date.
 795   *
 796   * @since 0.71
 797   * @since 4.4.0 Converted to use get_comment() instead of the global `$comment`.
 798   *
 799   * @global WP_Locale $wp_locale WordPress date and time locale object.
 800   *
 801   * @param int|bool $edit      Accepts 1|true for editing the date, 0|false for adding the date.
 802   * @param int|bool $for_post  Accepts 1|true for applying the date to a post, 0|false for a comment.
 803   * @param int      $tab_index The tabindex attribute to add. Default 0.
 804   * @param int|bool $multi     Optional. Whether the additional fields and buttons should be added.
 805   *                            Default 0|false.
 806   */
 807  function touch_time( $edit = 1, $for_post = 1, $tab_index = 0, $multi = 0 ) {
 808      global $wp_locale;
 809      $post = get_post();
 810  
 811      if ( $for_post ) {
 812          $edit = ! ( in_array( $post->post_status, array( 'draft', 'pending' ), true ) && ( ! $post->post_date_gmt || '0000-00-00 00:00:00' === $post->post_date_gmt ) );
 813      }
 814  
 815      $tab_index_attribute = '';
 816      if ( (int) $tab_index > 0 ) {
 817          $tab_index_attribute = " tabindex=\"$tab_index\"";
 818      }
 819  
 820      $post_date = ( $for_post ) ? $post->post_date : get_comment()->comment_date;
 821      $jj        = ( $edit ) ? mysql2date( 'd', $post_date, false ) : current_time( 'd' );
 822      $mm        = ( $edit ) ? mysql2date( 'm', $post_date, false ) : current_time( 'm' );
 823      $aa        = ( $edit ) ? mysql2date( 'Y', $post_date, false ) : current_time( 'Y' );
 824      $hh        = ( $edit ) ? mysql2date( 'H', $post_date, false ) : current_time( 'H' );
 825      $mn        = ( $edit ) ? mysql2date( 'i', $post_date, false ) : current_time( 'i' );
 826      $ss        = ( $edit ) ? mysql2date( 's', $post_date, false ) : current_time( 's' );
 827  
 828      $cur_jj = current_time( 'd' );
 829      $cur_mm = current_time( 'm' );
 830      $cur_aa = current_time( 'Y' );
 831      $cur_hh = current_time( 'H' );
 832      $cur_mn = current_time( 'i' );
 833  
 834      $month = '<label><span class="screen-reader-text">' .
 835          /* translators: Hidden accessibility text. */
 836          __( 'Month' ) .
 837      '</span><select class="form-required" ' . ( $multi ? '' : 'id="mm" ' ) . 'name="mm"' . $tab_index_attribute . ">\n";
 838      for ( $i = 1; $i < 13; $i = $i + 1 ) {
 839          $monthnum  = zeroise( $i, 2 );
 840          $monthtext = $wp_locale->get_month_abbrev( $wp_locale->get_month( $i ) );
 841          $month    .= "\t\t\t" . '<option value="' . $monthnum . '" data-text="' . $monthtext . '" ' . selected( $monthnum, $mm, false ) . '>';
 842          /* translators: 1: Month number (01, 02, etc.), 2: Month abbreviation. */
 843          $month .= sprintf( __( '%1$s-%2$s' ), $monthnum, $monthtext ) . "</option>\n";
 844      }
 845      $month .= '</select></label>';
 846  
 847      $day = '<label><span class="screen-reader-text">' .
 848          /* translators: Hidden accessibility text. */
 849          __( 'Day' ) .
 850      '</span><input type="text" ' . ( $multi ? '' : 'id="jj" ' ) . 'name="jj" value="' . $jj . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" class="form-required" inputmode="numeric" /></label>';
 851      $year = '<label><span class="screen-reader-text">' .
 852          /* translators: Hidden accessibility text. */
 853          __( 'Year' ) .
 854      '</span><input type="text" ' . ( $multi ? '' : 'id="aa" ' ) . 'name="aa" value="' . $aa . '" size="4" maxlength="4"' . $tab_index_attribute . ' autocomplete="off" class="form-required" inputmode="numeric" /></label>';
 855      $hour = '<label><span class="screen-reader-text">' .
 856          /* translators: Hidden accessibility text. */
 857          __( 'Hour' ) .
 858      '</span><input type="text" ' . ( $multi ? '' : 'id="hh" ' ) . 'name="hh" value="' . $hh . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" class="form-required" inputmode="numeric" /></label>';
 859      $minute = '<label><span class="screen-reader-text">' .
 860          /* translators: Hidden accessibility text. */
 861          __( 'Minute' ) .
 862      '</span><input type="text" ' . ( $multi ? '' : 'id="mn" ' ) . 'name="mn" value="' . $mn . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" class="form-required" inputmode="numeric" /></label>';
 863  
 864      echo '<div class="timestamp-wrap">';
 865      /* translators: 1: Month, 2: Day, 3: Year, 4: Hour, 5: Minute. */
 866      printf( __( '%1$s %2$s, %3$s at %4$s:%5$s' ), $month, $day, $year, $hour, $minute );
 867  
 868      echo '</div><input type="hidden" id="ss" name="ss" value="' . $ss . '" />';
 869  
 870      if ( $multi ) {
 871          return;
 872      }
 873  
 874      echo "\n\n";
 875  
 876      $map = array(
 877          'mm' => array( $mm, $cur_mm ),
 878          'jj' => array( $jj, $cur_jj ),
 879          'aa' => array( $aa, $cur_aa ),
 880          'hh' => array( $hh, $cur_hh ),
 881          'mn' => array( $mn, $cur_mn ),
 882      );
 883  
 884      foreach ( $map as $timeunit => $value ) {
 885          list( $unit, $curr ) = $value;
 886  
 887          echo '<input type="hidden" id="hidden_' . $timeunit . '" name="hidden_' . $timeunit . '" value="' . $unit . '" />' . "\n";
 888          $cur_timeunit = 'cur_' . $timeunit;
 889          echo '<input type="hidden" id="' . $cur_timeunit . '" name="' . $cur_timeunit . '" value="' . $curr . '" />' . "\n";
 890      }
 891      ?>
 892  
 893  <p>
 894  <a href="#edit_timestamp" class="save-timestamp hide-if-no-js button"><?php _e( 'OK' ); ?></a>
 895  <a href="#edit_timestamp" class="cancel-timestamp hide-if-no-js button-cancel"><?php _e( 'Cancel' ); ?></a>
 896  </p>
 897      <?php
 898  }
 899  
 900  /**
 901   * Prints out option HTML elements for the page templates drop-down.
 902   *
 903   * @since 1.5.0
 904   * @since 4.7.0 Added the `$post_type` parameter.
 905   *
 906   * @param string $default_template Optional. The template file name. Default empty.
 907   * @param string $post_type        Optional. Post type to get templates for. Default 'page'.
 908   */
 909  function page_template_dropdown( $default_template = '', $post_type = 'page' ) {
 910      $templates = get_page_templates( null, $post_type );
 911  
 912      ksort( $templates );
 913  
 914      foreach ( array_keys( $templates ) as $template ) {
 915          $selected = selected( $default_template, $templates[ $template ], false );
 916          echo "\n\t<option value='" . esc_attr( $templates[ $template ] ) . "' $selected>" . esc_html( $template ) . '</option>';
 917      }
 918  }
 919  
 920  /**
 921   * Prints out option HTML elements for the page parents drop-down.
 922   *
 923   * @since 1.5.0
 924   * @since 4.4.0 `$post` argument was added.
 925   *
 926   * @global wpdb $wpdb WordPress database abstraction object.
 927   *
 928   * @param int         $default_page Optional. The default page ID to be pre-selected. Default 0.
 929   * @param int         $parent_page  Optional. The parent page ID. Default 0.
 930   * @param int         $level        Optional. Page depth level. Default 0.
 931   * @param int|WP_Post $post         Post ID or WP_Post object.
 932   * @return void|false Void on success, false if the page has no children.
 933   */
 934  function parent_dropdown( $default_page = 0, $parent_page = 0, $level = 0, $post = null ) {
 935      global $wpdb;
 936  
 937      $post  = get_post( $post );
 938      $items = $wpdb->get_results(
 939          $wpdb->prepare(
 940              "SELECT ID, post_parent, post_title
 941              FROM $wpdb->posts
 942              WHERE post_parent = %d AND post_type = 'page'
 943              ORDER BY menu_order",
 944              $parent_page
 945          )
 946      );
 947  
 948      if ( $items ) {
 949          foreach ( $items as $item ) {
 950              // A page cannot be its own parent.
 951              if ( $post && $post->ID && (int) $item->ID === $post->ID ) {
 952                  continue;
 953              }
 954  
 955              $pad      = str_repeat( '&nbsp;', $level * 3 );
 956              $selected = selected( $default_page, $item->ID, false );
 957  
 958              echo "\n\t<option class='level-$level' value='$item->ID' $selected>$pad " . esc_html( $item->post_title ) . '</option>';
 959              parent_dropdown( $default_page, $item->ID, $level + 1 );
 960          }
 961      } else {
 962          return false;
 963      }
 964  }
 965  
 966  /**
 967   * Prints out option HTML elements for role selectors.
 968   *
 969   * @since 2.1.0
 970   * @since 7.0.0 Added $editable_roles parameter.
 971   *
 972   * @param string $selected       Slug for the role that should be already selected.
 973   * @param array  $editable_roles Array of roles to include in the dropdown. Defaults to all
 974   *                               roles the current user is allowed to edit.
 975   */
 976  function wp_dropdown_roles( $selected = '', $editable_roles = null ) {
 977      $r = '';
 978  
 979      if ( null === $editable_roles ) {
 980          $editable_roles = array_reverse( get_editable_roles() );
 981      }
 982  
 983      foreach ( $editable_roles as $role => $details ) {
 984          $name = translate_user_role( $details['name'] );
 985          // Preselect specified role.
 986          if ( $selected === $role ) {
 987              $r .= "\n\t<option selected='selected' value='" . esc_attr( $role ) . "'>$name</option>";
 988          } else {
 989              $r .= "\n\t<option value='" . esc_attr( $role ) . "'>$name</option>";
 990          }
 991      }
 992  
 993      echo $r;
 994  }
 995  
 996  /**
 997   * Outputs the form used by the importers to accept the data to be imported.
 998   *
 999   * @since 2.0.0
1000   *
1001   * @param string $action The action attribute for the form.
1002   */
1003  function wp_import_upload_form( $action ) {
1004  
1005      /**
1006       * Filters the maximum allowed upload size for import files.
1007       *
1008       * @since 2.3.0
1009       *
1010       * @see wp_max_upload_size()
1011       *
1012       * @param int $max_upload_size Allowed upload size. Default 1 MB.
1013       */
1014      $bytes      = apply_filters( 'import_upload_size_limit', wp_max_upload_size() );
1015      $size       = size_format( $bytes );
1016      $upload_dir = wp_upload_dir();
1017      if ( ! empty( $upload_dir['error'] ) ) :
1018          $upload_directory_error  = '<p>' . __( 'Before you can upload your import file, you will need to fix the following error:' ) . '</p>';
1019          $upload_directory_error .= '<p><strong>' . $upload_dir['error'] . '</strong></p>';
1020          wp_admin_notice(
1021              $upload_directory_error,
1022              array(
1023                  'additional_classes' => array( 'error' ),
1024                  'paragraph_wrap'     => false,
1025              )
1026          );
1027      else :
1028          ?>
1029  <form enctype="multipart/form-data" id="import-upload-form" method="post" class="wp-upload-form" action="<?php echo esc_url( wp_nonce_url( $action, 'import-upload' ) ); ?>">
1030  <p>
1031          <?php
1032          printf(
1033              '<label for="upload">%s</label> (%s)',
1034              __( 'Choose a file from your computer:' ),
1035              /* translators: %s: Maximum allowed file size. */
1036              sprintf( __( 'Maximum size: %s' ), $size )
1037          );
1038          ?>
1039  <input type="file" id="upload" name="import" size="25" />
1040  <input type="hidden" name="action" value="save" />
1041  <input type="hidden" name="max_file_size" value="<?php echo $bytes; ?>" />
1042  </p>
1043          <?php submit_button( __( 'Upload file and import' ), 'primary' ); ?>
1044  </form>
1045          <?php
1046      endif;
1047  }
1048  
1049  /**
1050   * Adds a meta box to one or more screens.
1051   *
1052   * @since 2.5.0
1053   * @since 4.4.0 The `$screen` parameter now accepts an array of screen IDs.
1054   *
1055   * @global array $wp_meta_boxes Global meta box state.
1056   *
1057   * @param string                 $id            Meta box ID (used in the 'id' attribute for the meta box).
1058   * @param string                 $title         Title of the meta box.
1059   * @param callable               $callback      Function that fills the box with the desired content.
1060   *                                              The function should echo its output.
1061   * @param string|array|WP_Screen $screen        Optional. The screen or screens on which to show the box
1062   *                                              (such as a post type, 'link', or 'comment'). Accepts a single
1063   *                                              screen ID, WP_Screen object, or array of screen IDs. Default
1064   *                                              is the current screen.  If you have used add_menu_page() or
1065   *                                              add_submenu_page() to create a new screen (and hence screen_id),
1066   *                                              make sure your menu slug conforms to the limits of sanitize_key()
1067   *                                              otherwise the 'screen' menu may not correctly render on your page.
1068   * @param string                 $context       Optional. The context within the screen where the box
1069   *                                              should display. Available contexts vary from screen to
1070   *                                              screen. Post edit screen contexts include 'normal', 'side',
1071   *                                              and 'advanced'. Comments screen contexts include 'normal'
1072   *                                              and 'side'. Menus meta boxes (accordion sections) all use
1073   *                                              the 'side' context. Global default is 'advanced'.
1074   * @param string                 $priority      Optional. The priority within the context where the box should show.
1075   *                                              Accepts 'high', 'core', 'default', or 'low'. Default 'default'.
1076   * @param array                  $callback_args Optional. Data that should be set as the $args property
1077   *                                              of the box array (which is the second parameter passed
1078   *                                              to your callback). Default null.
1079   */
1080  function add_meta_box( $id, $title, $callback, $screen = null, $context = 'advanced', $priority = 'default', $callback_args = null ) {
1081      global $wp_meta_boxes;
1082  
1083      if ( empty( $screen ) ) {
1084          $screen = get_current_screen();
1085      } elseif ( is_string( $screen ) ) {
1086          $screen = convert_to_screen( $screen );
1087      } elseif ( is_array( $screen ) ) {
1088          foreach ( $screen as $single_screen ) {
1089              add_meta_box( $id, $title, $callback, $single_screen, $context, $priority, $callback_args );
1090          }
1091      }
1092  
1093      if ( ! isset( $screen->id ) ) {
1094          return;
1095      }
1096  
1097      $page = $screen->id;
1098  
1099      if ( ! isset( $wp_meta_boxes ) ) {
1100          $wp_meta_boxes = array();
1101      }
1102      if ( ! isset( $wp_meta_boxes[ $page ] ) ) {
1103          $wp_meta_boxes[ $page ] = array();
1104      }
1105      if ( ! isset( $wp_meta_boxes[ $page ][ $context ] ) ) {
1106          $wp_meta_boxes[ $page ][ $context ] = array();
1107      }
1108  
1109      foreach ( array_keys( $wp_meta_boxes[ $page ] ) as $a_context ) {
1110          foreach ( array( 'high', 'core', 'default', 'low' ) as $a_priority ) {
1111              if ( ! isset( $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ] ) ) {
1112                  continue;
1113              }
1114  
1115              // If a core box was previously removed, don't add.
1116              if ( ( 'core' === $priority || 'sorted' === $priority )
1117                  && false === $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ]
1118              ) {
1119                  return;
1120              }
1121  
1122              // If a core box was previously added by a plugin, don't add.
1123              if ( 'core' === $priority ) {
1124                  /*
1125                   * If the box was added with default priority, give it core priority
1126                   * to maintain sort order.
1127                   */
1128                  if ( 'default' === $a_priority ) {
1129                      $wp_meta_boxes[ $page ][ $a_context ]['core'][ $id ] = $wp_meta_boxes[ $page ][ $a_context ]['default'][ $id ];
1130                      unset( $wp_meta_boxes[ $page ][ $a_context ]['default'][ $id ] );
1131                  }
1132                  return;
1133              }
1134  
1135              // If no priority given and ID already present, use existing priority.
1136              if ( empty( $priority ) ) {
1137                  $priority = $a_priority;
1138                  /*
1139                   * Else, if we're adding to the sorted priority, we don't know the title
1140                   * or callback. Grab them from the previously added context/priority.
1141                   */
1142              } elseif ( 'sorted' === $priority ) {
1143                  $title         = $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ]['title'];
1144                  $callback      = $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ]['callback'];
1145                  $callback_args = $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ]['args'];
1146              }
1147  
1148              // An ID can be in only one priority and one context.
1149              if ( $priority !== $a_priority || $context !== $a_context ) {
1150                  unset( $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ] );
1151              }
1152          }
1153      }
1154  
1155      if ( empty( $priority ) ) {
1156          $priority = 'low';
1157      }
1158  
1159      if ( ! isset( $wp_meta_boxes[ $page ][ $context ][ $priority ] ) ) {
1160          $wp_meta_boxes[ $page ][ $context ][ $priority ] = array();
1161      }
1162  
1163      $wp_meta_boxes[ $page ][ $context ][ $priority ][ $id ] = array(
1164          'id'       => $id,
1165          'title'    => $title,
1166          'callback' => $callback,
1167          'args'     => $callback_args,
1168      );
1169  }
1170  
1171  
1172  /**
1173   * Renders a "fake" meta box with an information message,
1174   * shown on the block editor, when an incompatible meta box is found.
1175   *
1176   * @since 5.0.0
1177   *
1178   * @param mixed $data_object The data object being rendered on this screen.
1179   * @param array $box         {
1180   *     Custom formats meta box arguments.
1181   *
1182   *     @type string   $id           Meta box 'id' attribute.
1183   *     @type string   $title        Meta box title.
1184   *     @type callable $old_callback The original callback for this meta box.
1185   *     @type array    $args         Extra meta box arguments.
1186   * }
1187   */
1188  function do_block_editor_incompatible_meta_box( $data_object, $box ) {
1189      $plugin  = _get_plugin_from_callback( $box['old_callback'] );
1190      $plugins = get_plugins();
1191      echo '<p>';
1192      if ( $plugin ) {
1193          /* translators: %s: The name of the plugin that generated this meta box. */
1194          printf( __( 'This meta box, from the %s plugin, is not compatible with the block editor.' ), "<strong>{$plugin['Name']}</strong>" );
1195      } else {
1196          _e( 'This meta box is not compatible with the block editor.' );
1197      }
1198      echo '</p>';
1199  
1200      if ( empty( $plugins['classic-editor/classic-editor.php'] ) ) {
1201          if ( current_user_can( 'install_plugins' ) ) {
1202              $install_url = wp_nonce_url(
1203                  self_admin_url( 'plugin-install.php?tab=favorites&user=wordpressdotorg&save=0' ),
1204                  'save_wporg_username_' . get_current_user_id()
1205              );
1206  
1207              echo '<p>';
1208              /* translators: %s: A link to install the Classic Editor plugin. */
1209              printf( __( 'Please install the <a href="%s">Classic Editor plugin</a> to use this meta box.' ), esc_url( $install_url ) );
1210              echo '</p>';
1211          }
1212      } elseif ( is_plugin_inactive( 'classic-editor/classic-editor.php' ) ) {
1213          if ( current_user_can( 'activate_plugins' ) ) {
1214              $activate_url = wp_nonce_url(
1215                  self_admin_url( 'plugins.php?action=activate&plugin=classic-editor/classic-editor.php' ),
1216                  'activate-plugin_classic-editor/classic-editor.php'
1217              );
1218  
1219              echo '<p>';
1220              /* translators: %s: A link to activate the Classic Editor plugin. */
1221              printf( __( 'Please activate the <a href="%s">Classic Editor plugin</a> to use this meta box.' ), esc_url( $activate_url ) );
1222              echo '</p>';
1223          }
1224      } elseif ( $data_object instanceof WP_Post ) {
1225          $edit_url = add_query_arg(
1226              array(
1227                  'classic-editor'         => '',
1228                  'classic-editor__forget' => '',
1229              ),
1230              get_edit_post_link( $data_object )
1231          );
1232          echo '<p>';
1233          /* translators: %s: A link to use the Classic Editor plugin. */
1234          printf( __( 'Please open the <a href="%s">classic editor</a> to use this meta box.' ), esc_url( $edit_url ) );
1235          echo '</p>';
1236      }
1237  }
1238  
1239  /**
1240   * Internal helper function to find the plugin from a meta box callback.
1241   *
1242   * @since 5.0.0
1243   *
1244   * @access private
1245   *
1246   * @param callable $callback The callback function to check.
1247   * @return array|null The plugin that the callback belongs to, or null if it doesn't belong to a plugin.
1248   */
1249  function _get_plugin_from_callback( $callback ) {
1250      try {
1251          if ( is_array( $callback ) ) {
1252              $reflection = new ReflectionMethod( $callback[0], $callback[1] );
1253          } elseif ( is_string( $callback ) && str_contains( $callback, '::' ) ) {
1254              $reflection = new ReflectionMethod( $callback );
1255          } else {
1256              $reflection = new ReflectionFunction( $callback );
1257          }
1258      } catch ( ReflectionException $exception ) {
1259          // We could not properly reflect on the callable, so we abort here.
1260          return null;
1261      }
1262  
1263      // Don't show an error if it's an internal PHP function.
1264      if ( ! $reflection->isInternal() ) {
1265  
1266          // Only show errors if the meta box was registered by a plugin.
1267          $filename   = wp_normalize_path( $reflection->getFileName() );
1268          $plugin_dir = wp_normalize_path( WP_PLUGIN_DIR );
1269  
1270          if ( str_starts_with( $filename, $plugin_dir ) ) {
1271              $filename = str_replace( $plugin_dir, '', $filename );
1272              $filename = preg_replace( '|^/([^/]*/).*$|', '\\1', $filename );
1273  
1274              $plugins = get_plugins();
1275  
1276              foreach ( $plugins as $name => $plugin ) {
1277                  if ( str_starts_with( $name, $filename ) ) {
1278                      return $plugin;
1279                  }
1280              }
1281          }
1282      }
1283  
1284      return null;
1285  }
1286  
1287  /**
1288   * Meta-Box template function.
1289   *
1290   * @since 2.5.0
1291   *
1292   * @global array $wp_meta_boxes Global meta box state.
1293   *
1294   * @param string|WP_Screen $screen      The screen identifier. If you have used add_menu_page() or
1295   *                                      add_submenu_page() to create a new screen (and hence screen_id)
1296   *                                      make sure your menu slug conforms to the limits of sanitize_key()
1297   *                                      otherwise the 'screen' menu may not correctly render on your page.
1298   * @param string           $context     The screen context for which to display meta boxes.
1299   * @param mixed            $data_object Gets passed to the meta box callback function as the first parameter.
1300   *                                      Often this is the object that's the focus of the current screen,
1301   *                                      for example a `WP_Post` or `WP_Comment` object.
1302   * @return int Number of meta_boxes.
1303   */
1304  function do_meta_boxes( $screen, $context, $data_object ) {
1305      global $wp_meta_boxes;
1306      static $already_sorted = false;
1307  
1308      if ( empty( $screen ) ) {
1309          $screen = get_current_screen();
1310      } elseif ( is_string( $screen ) ) {
1311          $screen = convert_to_screen( $screen );
1312      }
1313  
1314      $page = $screen->id;
1315  
1316      $hidden = get_hidden_meta_boxes( $screen );
1317  
1318      printf( '<div id="%s-sortables" class="meta-box-sortables">', esc_attr( $context ) );
1319  
1320      /*
1321       * Grab the ones the user has manually sorted.
1322       * Pull them out of their previous context/priority and into the one the user chose.
1323       */
1324      $sorted = get_user_option( "meta-box-order_$page" );
1325  
1326      if ( ! $already_sorted && $sorted ) {
1327          foreach ( $sorted as $box_context => $ids ) {
1328              foreach ( explode( ',', $ids ) as $id ) {
1329                  if ( $id && 'dashboard_browser_nag' !== $id ) {
1330                      add_meta_box( $id, null, null, $screen, $box_context, 'sorted' );
1331                  }
1332              }
1333          }
1334      }
1335  
1336      $already_sorted = true;
1337  
1338      $i = 0;
1339  
1340      if ( isset( $wp_meta_boxes[ $page ][ $context ] ) ) {
1341          foreach ( array( 'high', 'sorted', 'core', 'default', 'low' ) as $priority ) {
1342              if ( isset( $wp_meta_boxes[ $page ][ $context ][ $priority ] ) ) {
1343                  foreach ( (array) $wp_meta_boxes[ $page ][ $context ][ $priority ] as $box ) {
1344                      if ( false === $box || ! $box['title'] ) {
1345                          continue;
1346                      }
1347  
1348                      $block_compatible = true;
1349                      if ( is_array( $box['args'] ) ) {
1350                          // If a meta box is just here for back compat, don't show it in the block editor.
1351                          if ( $screen->is_block_editor() && isset( $box['args']['__back_compat_meta_box'] ) && $box['args']['__back_compat_meta_box'] ) {
1352                              continue;
1353                          }
1354  
1355                          if ( isset( $box['args']['__block_editor_compatible_meta_box'] ) ) {
1356                              $block_compatible = (bool) $box['args']['__block_editor_compatible_meta_box'];
1357                              unset( $box['args']['__block_editor_compatible_meta_box'] );
1358                          }
1359  
1360                          // If the meta box is declared as incompatible with the block editor, override the callback function.
1361                          if ( ! $block_compatible && $screen->is_block_editor() ) {
1362                              $box['old_callback'] = $box['callback'];
1363                              $box['callback']     = 'do_block_editor_incompatible_meta_box';
1364                          }
1365  
1366                          if ( isset( $box['args']['__back_compat_meta_box'] ) ) {
1367                              $block_compatible = $block_compatible || (bool) $box['args']['__back_compat_meta_box'];
1368                              unset( $box['args']['__back_compat_meta_box'] );
1369                          }
1370                      }
1371  
1372                      ++$i;
1373                      // get_hidden_meta_boxes() doesn't apply in the block editor.
1374                      $hidden_class = ( ! $screen->is_block_editor() && in_array( $box['id'], $hidden, true ) ) ? ' hide-if-js' : '';
1375                      echo '<div id="' . $box['id'] . '" class="postbox ' . postbox_classes( $box['id'], $page ) . $hidden_class . '" ' . '>' . "\n";
1376  
1377                      echo '<div class="postbox-header">';
1378                      echo '<h2 class="hndle">';
1379                      if ( 'dashboard_php_nag' === $box['id'] ) {
1380                          echo '<span aria-hidden="true" class="dashicons dashicons-warning"></span>';
1381                          echo '<span class="screen-reader-text">' .
1382                              /* translators: Hidden accessibility text. */
1383                              __( 'Warning:' ) .
1384                          ' </span>';
1385                      }
1386                      echo $box['title'];
1387                      echo "</h2>\n";
1388  
1389                      if ( 'dashboard_browser_nag' !== $box['id'] ) {
1390                          $widget_title = $box['title'];
1391  
1392                          if ( is_array( $box['args'] ) && isset( $box['args']['__widget_basename'] ) ) {
1393                              $widget_title = $box['args']['__widget_basename'];
1394                              // Do not pass this parameter to the user callback function.
1395                              unset( $box['args']['__widget_basename'] );
1396                          }
1397  
1398                          echo '<div class="handle-actions hide-if-no-js">';
1399  
1400                          echo '<button type="button" class="handle-order-higher" aria-disabled="false" aria-describedby="' . $box['id'] . '-handle-order-higher-description">';
1401                          echo '<span class="screen-reader-text">' .
1402                              /* translators: Hidden accessibility text. */
1403                              __( 'Move up' ) .
1404                          '</span>';
1405                          echo '<span class="order-higher-indicator" aria-hidden="true"></span>';
1406                          echo '</button>';
1407                          echo '<span class="hidden" id="' . $box['id'] . '-handle-order-higher-description">' . sprintf(
1408                              /* translators: %s: Meta box title. */
1409                              __( 'Move %s box up' ),
1410                              $widget_title
1411                          ) . '</span>';
1412  
1413                          echo '<button type="button" class="handle-order-lower" aria-disabled="false" aria-describedby="' . $box['id'] . '-handle-order-lower-description">';
1414                          echo '<span class="screen-reader-text">' .
1415                              /* translators: Hidden accessibility text. */
1416                              __( 'Move down' ) .
1417                          '</span>';
1418                          echo '<span class="order-lower-indicator" aria-hidden="true"></span>';
1419                          echo '</button>';
1420                          echo '<span class="hidden" id="' . $box['id'] . '-handle-order-lower-description">' . sprintf(
1421                              /* translators: %s: Meta box title. */
1422                              __( 'Move %s box down' ),
1423                              $widget_title
1424                          ) . '</span>';
1425  
1426                          echo '<button type="button" class="handlediv" aria-expanded="true">';
1427                          echo '<span class="screen-reader-text">' . sprintf(
1428                              /* translators: %s: Hidden accessibility text. Meta box title. */
1429                              __( 'Toggle panel: %s' ),
1430                              $widget_title
1431                          ) . '</span>';
1432                          echo '<span class="toggle-indicator" aria-hidden="true"></span>';
1433                          echo '</button>';
1434  
1435                          echo '</div>';
1436                      }
1437                      echo '</div>';
1438  
1439                      echo '<div class="inside">' . "\n";
1440  
1441                      if ( WP_DEBUG && ! $block_compatible && 'edit' === $screen->parent_base && ! $screen->is_block_editor() && ! isset( $_GET['meta-box-loader'] ) ) {
1442                          $plugin = _get_plugin_from_callback( $box['callback'] );
1443                          if ( $plugin ) {
1444                              $meta_box_not_compatible_message = sprintf(
1445                                  /* translators: %s: The name of the plugin that generated this meta box. */
1446                                  __( 'This meta box, from the %s plugin, is not compatible with the block editor.' ),
1447                                  "<strong>{$plugin['Name']}</strong>"
1448                              );
1449                              wp_admin_notice(
1450                                  $meta_box_not_compatible_message,
1451                                  array(
1452                                      'additional_classes' => array( 'error', 'inline' ),
1453                                  )
1454                              );
1455                          }
1456                      }
1457  
1458                      call_user_func( $box['callback'], $data_object, $box );
1459                      echo "</div>\n";
1460                      echo "</div>\n";
1461                  }
1462              }
1463          }
1464      }
1465  
1466      echo '</div>';
1467  
1468      return $i;
1469  }
1470  
1471  /**
1472   * Removes a meta box from one or more screens.
1473   *
1474   * @since 2.6.0
1475   * @since 4.4.0 The `$screen` parameter now accepts an array of screen IDs.
1476   *
1477   * @global array $wp_meta_boxes Global meta box state.
1478   *
1479   * @param string                 $id      Meta box ID (used in the 'id' attribute for the meta box).
1480   * @param string|array|WP_Screen $screen  The screen or screens on which the meta box is shown (such as a
1481   *                                        post type, 'link', or 'comment'). Accepts a single screen ID,
1482   *                                        WP_Screen object, or array of screen IDs.
1483   * @param string                 $context The context within the screen where the box is set to display.
1484   *                                        Contexts vary from screen to screen. Post edit screen contexts
1485   *                                        include 'normal', 'side', and 'advanced'. Comments screen contexts
1486   *                                        include 'normal' and 'side'. Menus meta boxes (accordion sections)
1487   *                                        all use the 'side' context.
1488   */
1489  function remove_meta_box( $id, $screen, $context ) {
1490      global $wp_meta_boxes;
1491  
1492      if ( empty( $screen ) ) {
1493          $screen = get_current_screen();
1494      } elseif ( is_string( $screen ) ) {
1495          $screen = convert_to_screen( $screen );
1496      } elseif ( is_array( $screen ) ) {
1497          foreach ( $screen as $single_screen ) {
1498              remove_meta_box( $id, $single_screen, $context );
1499          }
1500      }
1501  
1502      if ( ! isset( $screen->id ) ) {
1503          return;
1504      }
1505  
1506      $page = $screen->id;
1507  
1508      if ( ! isset( $wp_meta_boxes ) ) {
1509          $wp_meta_boxes = array();
1510      }
1511      if ( ! isset( $wp_meta_boxes[ $page ] ) ) {
1512          $wp_meta_boxes[ $page ] = array();
1513      }
1514      if ( ! isset( $wp_meta_boxes[ $page ][ $context ] ) ) {
1515          $wp_meta_boxes[ $page ][ $context ] = array();
1516      }
1517  
1518      foreach ( array( 'high', 'core', 'default', 'low' ) as $priority ) {
1519          $wp_meta_boxes[ $page ][ $context ][ $priority ][ $id ] = false;
1520      }
1521  }
1522  
1523  /**
1524   * Meta Box Accordion Template Function.
1525   *
1526   * Largely made up of abstracted code from do_meta_boxes(), this
1527   * function serves to build meta boxes as list items for display as
1528   * a collapsible accordion.
1529   *
1530   * @since 3.6.0
1531   *
1532   * @uses global $wp_meta_boxes Used to retrieve registered meta boxes.
1533   *
1534   * @param string|object $screen      The screen identifier.
1535   * @param string        $context     The screen context for which to display accordion sections.
1536   * @param mixed         $data_object Gets passed to the section callback function as the first parameter.
1537   * @return int Number of meta boxes as accordion sections.
1538   */
1539  function do_accordion_sections( $screen, $context, $data_object ) {
1540      global $wp_meta_boxes;
1541  
1542      wp_enqueue_script( 'accordion' );
1543  
1544      if ( empty( $screen ) ) {
1545          $screen = get_current_screen();
1546      } elseif ( is_string( $screen ) ) {
1547          $screen = convert_to_screen( $screen );
1548      }
1549  
1550      $page = $screen->id;
1551  
1552      $hidden = get_hidden_meta_boxes( $screen );
1553      ?>
1554      <div id="side-sortables" class="accordion-container">
1555          <ul class="outer-border">
1556      <?php
1557      $i          = 0;
1558      $first_open = false;
1559  
1560      if ( isset( $wp_meta_boxes[ $page ][ $context ] ) ) {
1561          foreach ( array( 'high', 'core', 'default', 'low' ) as $priority ) {
1562              if ( isset( $wp_meta_boxes[ $page ][ $context ][ $priority ] ) ) {
1563                  foreach ( $wp_meta_boxes[ $page ][ $context ][ $priority ] as $box ) {
1564                      if ( false === $box || ! $box['title'] ) {
1565                          continue;
1566                      }
1567  
1568                      ++$i;
1569                      $hidden_class = in_array( $box['id'], $hidden, true ) ? 'hide-if-js' : '';
1570  
1571                      $open_class    = '';
1572                      $aria_expanded = 'false';
1573                      if ( ! $first_open && empty( $hidden_class ) ) {
1574                          $first_open    = true;
1575                          $open_class    = 'open';
1576                          $aria_expanded = 'true';
1577                      }
1578                      ?>
1579                      <li class="control-section accordion-section <?php echo $hidden_class; ?> <?php echo $open_class; ?> <?php echo esc_attr( $box['id'] ); ?>" id="<?php echo esc_attr( $box['id'] ); ?>">
1580                          <h3 class="accordion-section-title hndle">
1581                              <button type="button" class="accordion-trigger" aria-expanded="<?php echo $aria_expanded; ?>" aria-controls="<?php echo esc_attr( $box['id'] ); ?>-content">
1582                                  <span class="accordion-title">
1583                                      <?php echo esc_html( $box['title'] ); ?>
1584                                      <span class="dashicons dashicons-arrow-down" aria-hidden="true"></span>
1585                                  </span>
1586                              </button>
1587                          </h3>
1588                          <div class="accordion-section-content <?php postbox_classes( $box['id'], $page ); ?>" id="<?php echo esc_attr( $box['id'] ); ?>-content">
1589                              <div class="inside">
1590                                  <?php call_user_func( $box['callback'], $data_object, $box ); ?>
1591                              </div><!-- .inside -->
1592                          </div><!-- .accordion-section-content -->
1593                      </li><!-- .accordion-section -->
1594                      <?php
1595                  }
1596              }
1597          }
1598      }
1599      ?>
1600          </ul><!-- .outer-border -->
1601      </div><!-- .accordion-container -->
1602      <?php
1603      return $i;
1604  }
1605  
1606  /**
1607   * Adds a new section to a settings page.
1608   *
1609   * Part of the Settings API. Use this to define new settings sections for an admin page.
1610   * Show settings sections in your admin page callback function with do_settings_sections().
1611   * Add settings fields to your section with add_settings_field().
1612   *
1613   * The $callback argument should be the name of a function that echoes out any
1614   * content you want to show at the top of the settings section before the actual
1615   * fields. It can output nothing if you want.
1616   *
1617   * @since 2.7.0
1618   * @since 6.1.0 Added an `$args` parameter for the section's HTML wrapper and class name.
1619   *
1620   * @global array $wp_settings_sections Storage array of all settings sections added to admin pages.
1621   *
1622   * @param string   $id       Slug-name to identify the section. Used in the 'id' attribute of tags.
1623   * @param string   $title    Formatted title of the section. Shown as the heading for the section.
1624   * @param callable $callback Function that displays any content at the top of the section (between heading and fields).
1625   * @param string   $page     The slug-name of the settings page on which to show the section. Built-in pages include
1626   *                           'general', 'reading', 'writing', 'discussion', 'media', etc. Create your own using
1627   *                           add_options_page();
1628   * @param array    $args     {
1629   *     Arguments used to create the settings section.
1630   *
1631   *     @type string $before_section HTML content to prepend to the section's HTML output.
1632   *                                  Receives the section's class name as `%s`. Default empty.
1633   *     @type string $after_section  HTML content to append to the section's HTML output. Default empty.
1634   *     @type string $section_class  The class name to use for the section. Default empty.
1635   * }
1636   */
1637  function add_settings_section( $id, $title, $callback, $page, $args = array() ) {
1638      global $wp_settings_sections;
1639  
1640      $defaults = array(
1641          'id'             => $id,
1642          'title'          => $title,
1643          'callback'       => $callback,
1644          'before_section' => '',
1645          'after_section'  => '',
1646          'section_class'  => '',
1647      );
1648  
1649      $section = wp_parse_args( $args, $defaults );
1650  
1651      if ( 'misc' === $page ) {
1652          _deprecated_argument(
1653              __FUNCTION__,
1654              '3.0.0',
1655              sprintf(
1656                  /* translators: %s: misc */
1657                  __( 'The "%s" options group has been removed. Use another settings group.' ),
1658                  'misc'
1659              )
1660          );
1661          $page = 'general';
1662      }
1663  
1664      if ( 'privacy' === $page ) {
1665          _deprecated_argument(
1666              __FUNCTION__,
1667              '3.5.0',
1668              sprintf(
1669                  /* translators: %s: privacy */
1670                  __( 'The "%s" options group has been removed. Use another settings group.' ),
1671                  'privacy'
1672              )
1673          );
1674          $page = 'reading';
1675      }
1676  
1677      $wp_settings_sections[ $page ][ $id ] = $section;
1678  }
1679  
1680  /**
1681   * Adds a new field to a section of a settings page.
1682   *
1683   * Part of the Settings API. Use this to define a settings field that will show
1684   * as part of a settings section inside a settings page. The fields are shown using
1685   * do_settings_fields() in do_settings_sections().
1686   *
1687   * The $callback argument should be the name of a function that echoes out the
1688   * HTML input tags for this setting field. Use get_option() to retrieve existing
1689   * values to show.
1690   *
1691   * @since 2.7.0
1692   * @since 4.2.0 The `$class` argument was added.
1693   *
1694   * @global array $wp_settings_fields Storage array of settings fields and info about their pages/sections.
1695   *
1696   * @param string   $id       Slug-name to identify the field. Used in the 'id' attribute of tags.
1697   * @param string   $title    Formatted title of the field. Shown as the label for the field
1698   *                           during output.
1699   * @param callable $callback Function that fills the field with the desired form inputs. The
1700   *                           function should echo its output.
1701   * @param string   $page     The slug-name of the settings page on which to show the section
1702   *                           (general, reading, writing, ...).
1703   * @param string   $section  Optional. The slug-name of the section of the settings page
1704   *                           in which to show the box. Default 'default'.
1705   * @param array    $args {
1706   *     Optional. Extra arguments that get passed to the callback function.
1707   *
1708   *     @type string $label_for When supplied, the setting title will be wrapped
1709   *                             in a `<label>` element, its `for` attribute populated
1710   *                             with this value.
1711   *     @type string $class     CSS Class to be added to the `<tr>` element when the
1712   *                             field is output.
1713   * }
1714   */
1715  function add_settings_field( $id, $title, $callback, $page, $section = 'default', $args = array() ) {
1716      global $wp_settings_fields;
1717  
1718      if ( 'misc' === $page ) {
1719          _deprecated_argument(
1720              __FUNCTION__,
1721              '3.0.0',
1722              sprintf(
1723                  /* translators: %s: misc */
1724                  __( 'The "%s" options group has been removed. Use another settings group.' ),
1725                  'misc'
1726              )
1727          );
1728          $page = 'general';
1729      }
1730  
1731      if ( 'privacy' === $page ) {
1732          _deprecated_argument(
1733              __FUNCTION__,
1734              '3.5.0',
1735              sprintf(
1736                  /* translators: %s: privacy */
1737                  __( 'The "%s" options group has been removed. Use another settings group.' ),
1738                  'privacy'
1739              )
1740          );
1741          $page = 'reading';
1742      }
1743  
1744      $wp_settings_fields[ $page ][ $section ][ $id ] = array(
1745          'id'       => $id,
1746          'title'    => $title,
1747          'callback' => $callback,
1748          'args'     => $args,
1749      );
1750  }
1751  
1752  /**
1753   * Prints out all settings sections added to a particular settings page.
1754   *
1755   * Part of the Settings API. Use this in a settings page callback function
1756   * to output all the sections and fields that were added to that $page with
1757   * add_settings_section() and add_settings_field()
1758   *
1759   * @since 2.7.0
1760   *
1761   * @global array $wp_settings_sections Storage array of all settings sections added to admin pages.
1762   * @global array $wp_settings_fields Storage array of settings fields and info about their pages/sections.
1763   *
1764   * @param string $page The slug name of the page whose settings sections you want to output.
1765   */
1766  function do_settings_sections( $page ) {
1767      global $wp_settings_sections, $wp_settings_fields;
1768  
1769      if ( ! isset( $wp_settings_sections[ $page ] ) ) {
1770          return;
1771      }
1772  
1773      foreach ( (array) $wp_settings_sections[ $page ] as $section ) {
1774          if ( '' !== $section['before_section'] ) {
1775              if ( '' !== $section['section_class'] ) {
1776                  echo wp_kses_post( sprintf( $section['before_section'], esc_attr( $section['section_class'] ) ) );
1777              } else {
1778                  echo wp_kses_post( $section['before_section'] );
1779              }
1780          }
1781  
1782          if ( $section['title'] ) {
1783              echo "<h2>{$section['title']}</h2>\n";
1784          }
1785  
1786          if ( $section['callback'] ) {
1787              call_user_func( $section['callback'], $section );
1788          }
1789  
1790          if ( isset( $wp_settings_fields[ $page ][ $section['id'] ] ) ) {
1791              echo '<table class="form-table" role="presentation">';
1792              do_settings_fields( $page, $section['id'] );
1793              echo '</table>';
1794          }
1795  
1796          if ( '' !== $section['after_section'] ) {
1797              echo wp_kses_post( $section['after_section'] );
1798          }
1799      }
1800  }
1801  
1802  /**
1803   * Prints out the settings fields for a particular settings section.
1804   *
1805   * Part of the Settings API. Use this in a settings page to output
1806   * a specific section. Should normally be called by do_settings_sections()
1807   * rather than directly.
1808   *
1809   * @since 2.7.0
1810   *
1811   * @global array $wp_settings_fields Storage array of settings fields and their pages/sections.
1812   *
1813   * @param string $page Slug title of the admin page whose settings fields you want to show.
1814   * @param string $section Slug title of the settings section whose fields you want to show.
1815   */
1816  function do_settings_fields( $page, $section ) {
1817      global $wp_settings_fields;
1818  
1819      if ( ! isset( $wp_settings_fields[ $page ][ $section ] ) ) {
1820          return;
1821      }
1822  
1823      foreach ( (array) $wp_settings_fields[ $page ][ $section ] as $field ) {
1824          $class = '';
1825  
1826          if ( ! empty( $field['args']['class'] ) ) {
1827              $class = ' class="' . esc_attr( $field['args']['class'] ) . '"';
1828          }
1829  
1830          echo "<tr{$class}>";
1831  
1832          if ( ! empty( $field['args']['label_for'] ) ) {
1833              echo '<th scope="row"><label for="' . esc_attr( $field['args']['label_for'] ) . '">' . $field['title'] . '</label></th>';
1834          } else {
1835              echo '<th scope="row">' . $field['title'] . '</th>';
1836          }
1837  
1838          echo '<td>';
1839          call_user_func( $field['callback'], $field['args'] );
1840          echo '</td>';
1841          echo '</tr>';
1842      }
1843  }
1844  
1845  /**
1846   * Registers a settings error to be displayed to the user.
1847   *
1848   * Part of the Settings API. Use this to show messages to users about settings validation
1849   * problems, missing settings or anything else.
1850   *
1851   * Settings errors should be added inside the $sanitize_callback function defined in
1852   * register_setting() for a given setting to give feedback about the submission.
1853   *
1854   * By default messages will show immediately after the submission that generated the error.
1855   * Additional calls to settings_errors() can be used to show errors even when the settings
1856   * page is first accessed.
1857   *
1858   * @since 3.0.0
1859   * @since 5.3.0 Added `warning` and `info` as possible values for `$type`.
1860   *
1861   * @global array[] $wp_settings_errors Storage array of errors registered during this pageload
1862   *
1863   * @param string $setting Slug title of the setting to which this error applies.
1864   * @param string $code    Slug-name to identify the error. Used as part of 'id' attribute in HTML output.
1865   * @param string $message The formatted message text to display to the user (will be shown inside styled
1866   *                        `<div>` and `<p>` tags).
1867   * @param string $type    Optional. Message type, controls HTML class. Possible values include 'error',
1868   *                        'success', 'warning', 'info'. Default 'error'.
1869   */
1870  function add_settings_error( $setting, $code, $message, $type = 'error' ) {
1871      global $wp_settings_errors;
1872  
1873      $wp_settings_errors[] = array(
1874          'setting' => $setting,
1875          'code'    => $code,
1876          'message' => $message,
1877          'type'    => $type,
1878      );
1879  }
1880  
1881  /**
1882   * Fetches settings errors registered by add_settings_error().
1883   *
1884   * Checks the $wp_settings_errors array for any errors declared during the current
1885   * pageload and returns them.
1886   *
1887   * If changes were just submitted ($_GET['settings-updated']) and settings errors were saved
1888   * to the 'settings_errors' transient then those errors will be returned instead. This
1889   * is used to pass errors back across pageloads.
1890   *
1891   * Use the $sanitize argument to manually re-sanitize the option before returning errors.
1892   * This is useful if you have errors or notices you want to show even when the user
1893   * hasn't submitted data (i.e. when they first load an options page, or in the {@see 'admin_notices'}
1894   * action hook).
1895   *
1896   * @since 3.0.0
1897   *
1898   * @global array[] $wp_settings_errors Storage array of errors registered during this pageload
1899   *
1900   * @param string $setting  Optional. Slug title of a specific setting whose errors you want.
1901   * @param bool   $sanitize Optional. Whether to re-sanitize the setting value before returning errors.
1902   * @return array[] {
1903   *     Array of settings error arrays.
1904   *
1905   *     @type array ...$0 {
1906   *         Associative array of setting error data.
1907   *
1908   *         @type string $setting Slug title of the setting to which this error applies.
1909   *         @type string $code    Slug-name to identify the error. Used as part of 'id' attribute in HTML output.
1910   *         @type string $message The formatted message text to display to the user (will be shown inside styled
1911   *                               `<div>` and `<p>` tags).
1912   *         @type string $type    Optional. Message type, controls HTML class. Possible values include 'error',
1913   *                               'success', 'warning', 'info'. Default 'error'.
1914   *     }
1915   * }
1916   */
1917  function get_settings_errors( $setting = '', $sanitize = false ) {
1918      global $wp_settings_errors;
1919  
1920      /*
1921       * If $sanitize is true, manually re-run the sanitization for this option
1922       * This allows the $sanitize_callback from register_setting() to run, adding
1923       * any settings errors you want to show by default.
1924       */
1925      if ( $sanitize ) {
1926          sanitize_option( $setting, get_option( $setting ) );
1927      }
1928  
1929      // If settings were passed back from options.php then use them.
1930      if ( isset( $_GET['settings-updated'] ) && $_GET['settings-updated'] && get_transient( 'settings_errors' ) ) {
1931          $wp_settings_errors = array_merge( (array) $wp_settings_errors, get_transient( 'settings_errors' ) );
1932          delete_transient( 'settings_errors' );
1933      }
1934  
1935      // Check global in case errors have been added on this pageload.
1936      if ( empty( $wp_settings_errors ) ) {
1937          return array();
1938      }
1939  
1940      // Filter the results to those of a specific setting if one was set.
1941      if ( $setting ) {
1942          $setting_errors = array();
1943  
1944          foreach ( (array) $wp_settings_errors as $key => $details ) {
1945              if ( $setting === $details['setting'] ) {
1946                  $setting_errors[] = $wp_settings_errors[ $key ];
1947              }
1948          }
1949  
1950          return $setting_errors;
1951      }
1952  
1953      return $wp_settings_errors;
1954  }
1955  
1956  /**
1957   * Displays settings errors registered by add_settings_error().
1958   *
1959   * Part of the Settings API. Outputs a div for each error retrieved by
1960   * get_settings_errors().
1961   *
1962   * This is called automatically after a settings page based on the
1963   * Settings API is submitted. Errors should be added during the validation
1964   * callback function for a setting defined in register_setting().
1965   *
1966   * The $sanitize option is passed into get_settings_errors() and will
1967   * re-run the setting sanitization
1968   * on its current value.
1969   *
1970   * The $hide_on_update option will cause errors to only show when the settings
1971   * page is first loaded. if the user has already saved new values it will be
1972   * hidden to avoid repeating messages already shown in the default error
1973   * reporting after submission. This is useful to show general errors like
1974   * missing settings when the user arrives at the settings page.
1975   *
1976   * @since 3.0.0
1977   * @since 5.3.0 Legacy `error` and `updated` CSS classes are mapped to
1978   *              `notice-error` and `notice-success`.
1979   *
1980   * @param string $setting        Optional slug title of a specific setting whose errors you want.
1981   * @param bool   $sanitize       Whether to re-sanitize the setting value before returning errors.
1982   * @param bool   $hide_on_update If set to true errors will not be shown if the settings page has
1983   *                               already been submitted.
1984   */
1985  function settings_errors( $setting = '', $sanitize = false, $hide_on_update = false ) {
1986  
1987      if ( $hide_on_update && ! empty( $_GET['settings-updated'] ) ) {
1988          return;
1989      }
1990  
1991      $settings_errors = get_settings_errors( $setting, $sanitize );
1992  
1993      if ( empty( $settings_errors ) ) {
1994          return;
1995      }
1996  
1997      $output = '';
1998  
1999      foreach ( $settings_errors as $key => $details ) {
2000          if ( 'updated' === $details['type'] ) {
2001              $details['type'] = 'success';
2002          }
2003  
2004          if ( in_array( $details['type'], array( 'error', 'success', 'warning', 'info' ), true ) ) {
2005              $details['type'] = 'notice-' . $details['type'];
2006          }
2007  
2008          $css_id    = sprintf(
2009              'setting-error-%s',
2010              esc_attr( $details['code'] )
2011          );
2012          $css_class = sprintf(
2013              'notice %s settings-error is-dismissible',
2014              esc_attr( $details['type'] )
2015          );
2016  
2017          $output .= "<div id='$css_id' class='$css_class'> \n";
2018          $output .= "<p><strong>{$details['message']}</strong></p>";
2019          $output .= "</div> \n";
2020      }
2021  
2022      echo $output;
2023  }
2024  
2025  /**
2026   * Outputs the modal window used for attaching media to posts or pages in the media-listing screen.
2027   *
2028   * @since 2.7.0
2029   *
2030   * @param string $found_action Optional. The value of the 'found_action' input field. Default empty string.
2031   */
2032  function find_posts_div( $found_action = '' ) {
2033      ?>
2034      <div id="find-posts" class="find-box" style="display: none;">
2035          <div id="find-posts-head" class="find-box-head">
2036              <?php _e( 'Attach to existing content' ); ?>
2037              <button type="button" id="find-posts-close"><span class="screen-reader-text">
2038                  <?php
2039                  /* translators: Hidden accessibility text. */
2040                  _e( 'Close media attachment panel' );
2041                  ?>
2042              </span></button>
2043          </div>
2044          <div class="find-box-inside">
2045              <div class="find-box-search">
2046                  <?php if ( $found_action ) { ?>
2047                      <input type="hidden" name="found_action" value="<?php echo esc_attr( $found_action ); ?>" />
2048                  <?php } ?>
2049                  <input type="hidden" name="affected" id="affected" value="" />
2050                  <?php wp_nonce_field( 'find-posts', '_ajax_nonce', false ); ?>
2051                  <label class="screen-reader-text" for="find-posts-input">
2052                      <?php
2053                      /* translators: Hidden accessibility text. */
2054                      _e( 'Search' );
2055                      ?>
2056                  </label>
2057                  <input type="text" id="find-posts-input" name="ps" value="" />
2058                  <span class="spinner"></span>
2059                  <input type="button" id="find-posts-search" value="<?php esc_attr_e( 'Search' ); ?>" class="button" />
2060                  <div class="clear"></div>
2061              </div>
2062              <div id="find-posts-response"></div>
2063          </div>
2064          <div class="find-box-buttons">
2065              <?php submit_button( __( 'Select' ), 'primary alignright', 'find-posts-submit', false ); ?>
2066              <div class="clear"></div>
2067          </div>
2068      </div>
2069      <?php
2070  }
2071  
2072  /**
2073   * Displays the post password.
2074   *
2075   * The password is passed through esc_attr() to ensure that it is safe for placing in an HTML attribute.
2076   *
2077   * @since 2.7.0
2078   */
2079  function the_post_password() {
2080      $post = get_post();
2081      if ( isset( $post->post_password ) ) {
2082          echo esc_attr( $post->post_password );
2083      }
2084  }
2085  
2086  /**
2087   * Gets the post title.
2088   *
2089   * The post title is fetched and if it is blank then a default string is
2090   * returned.
2091   *
2092   * @since 2.7.0
2093   *
2094   * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
2095   * @return string The post title if set.
2096   */
2097  function _draft_or_post_title( $post = 0 ) {
2098      $title = get_the_title( $post );
2099      if ( empty( $title ) ) {
2100          $title = __( '(no title)' );
2101      }
2102      return esc_html( $title );
2103  }
2104  
2105  /**
2106   * Displays the search query.
2107   *
2108   * A simple wrapper to display the "s" parameter in a `GET` URI. This function
2109   * should only be used when the_search_query() cannot.
2110   *
2111   * @since 2.7.0
2112   */
2113  function _admin_search_query() {
2114      echo isset( $_REQUEST['s'] ) ? esc_attr( wp_unslash( $_REQUEST['s'] ) ) : '';
2115  }
2116  
2117  /**
2118   * Generic Iframe header for use with Thickbox.
2119   *
2120   * @since 2.7.0
2121   *
2122   * @global string    $hook_suffix
2123   * @global string    $admin_body_class
2124   * @global string    $body_id
2125   * @global WP_Locale $wp_locale        WordPress date and time locale object.
2126   *
2127   * @param string $title      Optional. Title of the Iframe page. Default empty.
2128   * @param bool   $deprecated Not used.
2129   */
2130  function iframe_header( $title = '', $deprecated = false ) {
2131      global $hook_suffix, $admin_body_class, $body_id, $wp_locale;
2132  
2133      show_admin_bar( false );
2134  
2135      $admin_body_class = preg_replace( '/[^a-z0-9_-]+/i', '-', $hook_suffix );
2136  
2137      $current_screen = get_current_screen();
2138  
2139      header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) );
2140      _wp_admin_html_begin();
2141      ?>
2142  <title><?php bloginfo( 'name' ); ?> &rsaquo; <?php echo $title; ?> &#8212; <?php _e( 'WordPress' ); ?></title>
2143      <?php
2144      wp_enqueue_style( 'colors' );
2145      ?>
2146  <script>
2147  addLoadEvent = function(func){if(typeof jQuery!=='undefined')jQuery(function(){func();});else if(typeof wpOnload!=='function'){wpOnload=func;}else{var oldonload=wpOnload;wpOnload=function(){oldonload();func();}}};
2148  function tb_close(){var win=window.dialogArguments||opener||parent||top;win.tb_remove();}
2149  var ajaxurl = '<?php echo esc_js( admin_url( 'admin-ajax.php', 'relative' ) ); ?>',
2150      pagenow = '<?php echo esc_js( $current_screen->id ); ?>',
2151      typenow = '<?php echo esc_js( $current_screen->post_type ); ?>',
2152      adminpage = '<?php echo esc_js( $admin_body_class ); ?>',
2153      thousandsSeparator = '<?php echo esc_js( $wp_locale->number_format['thousands_sep'] ); ?>',
2154      decimalPoint = '<?php echo esc_js( $wp_locale->number_format['decimal_point'] ); ?>',
2155      isRtl = <?php echo (int) is_rtl(); ?>;
2156  </script>
2157      <?php
2158      /** This action is documented in wp-admin/admin-header.php */
2159      do_action( 'admin_enqueue_scripts', $hook_suffix );
2160  
2161      /** This action is documented in wp-admin/admin-header.php */
2162      do_action( "admin_print_styles-{$hook_suffix}" );  // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
2163  
2164      /** This action is documented in wp-admin/admin-header.php */
2165      do_action( 'admin_print_styles' );
2166  
2167      /** This action is documented in wp-admin/admin-header.php */
2168      do_action( "admin_print_scripts-{$hook_suffix}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
2169  
2170      /** This action is documented in wp-admin/admin-header.php */
2171      do_action( 'admin_print_scripts' );
2172  
2173      /** This action is documented in wp-admin/admin-header.php */
2174      do_action( "admin_head-{$hook_suffix}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
2175  
2176      /** This action is documented in wp-admin/admin-header.php */
2177      do_action( 'admin_head' );
2178  
2179      $admin_body_class .= ' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_user_locale() ) ) );
2180      $admin_body_class .= ' admin-color-' . sanitize_html_class( get_user_option( 'admin_color' ), 'modern' );
2181  
2182      if ( is_rtl() ) {
2183          $admin_body_class .= ' rtl';
2184      }
2185  
2186      ?>
2187  </head>
2188      <?php
2189      $admin_body_id = isset( $body_id ) ? 'id="' . $body_id . '" ' : '';
2190  
2191      /** This filter is documented in wp-admin/admin-header.php */
2192      $admin_body_classes = apply_filters( 'admin_body_class', '' );
2193      $admin_body_classes = ltrim( $admin_body_classes . ' ' . $admin_body_class );
2194      ?>
2195  <body <?php echo $admin_body_id; ?>class="wp-admin wp-core-ui no-js iframe <?php echo esc_attr( $admin_body_classes ); ?>">
2196  <script>
2197  (function(){
2198  var c = document.body.className;
2199  c = c.replace(/no-js/, 'js');
2200  document.body.className = c;
2201  })();
2202  </script>
2203      <?php
2204  }
2205  
2206  /**
2207   * Generic Iframe footer for use with Thickbox.
2208   *
2209   * @since 2.7.0
2210   */
2211  function iframe_footer() {
2212      /*
2213       * We're going to hide any footer output on iFrame pages,
2214       * but run the hooks anyway since they output JavaScript
2215       * or other needed content.
2216       */
2217  
2218      /**
2219       * @global string $hook_suffix
2220       */
2221      global $hook_suffix;
2222      ?>
2223      <div class="hidden">
2224      <?php
2225      /** This action is documented in wp-admin/admin-footer.php */
2226      do_action( 'admin_footer', $hook_suffix );
2227  
2228      /** This action is documented in wp-admin/admin-footer.php */
2229      do_action( "admin_print_footer_scripts-{$hook_suffix}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
2230  
2231      /** This action is documented in wp-admin/admin-footer.php */
2232      do_action( 'admin_print_footer_scripts' );
2233      ?>
2234      </div>
2235  <script>if(typeof wpOnload==='function')wpOnload();</script>
2236  </body>
2237  </html>
2238      <?php
2239  }
2240  
2241  /**
2242   * Echoes or returns the post states as HTML.
2243   *
2244   * @since 2.7.0
2245   * @since 5.3.0 Added the `$display` parameter and a return value.
2246   *
2247   * @see get_post_states()
2248   *
2249   * @param WP_Post $post    The post to retrieve states for.
2250   * @param bool    $display Optional. Whether to display the post states as an HTML string.
2251   *                         Default true.
2252   * @return string Post states string.
2253   */
2254  function _post_states( $post, $display = true ) {
2255      $post_states      = get_post_states( $post );
2256      $post_states_html = '';
2257  
2258      if ( ! empty( $post_states ) ) {
2259          $state_count = count( $post_states );
2260          $separator   = wp_get_list_item_separator();
2261  
2262          $i = 0;
2263  
2264          $post_states_html .= ' &mdash; ';
2265  
2266          foreach ( $post_states as $state ) {
2267              ++$i;
2268  
2269              $suffix = ( $i < $state_count ) ? $separator : '';
2270  
2271              $post_states_html .= "<span class='post-state'>{$state}{$suffix}</span>";
2272          }
2273      }
2274  
2275      /**
2276       * Filters the HTML string of post states.
2277       *
2278       * @since 6.9.0
2279       *
2280       * @param string                 $post_states_html All relevant post states combined into an HTML string for display.
2281       *                                                 E.g. `&mdash; <span class='post-state'>Draft, </span><span class='post-state'>Sticky</span>`.
2282       * @param array<string, string>  $post_states      A mapping of post state slugs to translated post state labels.
2283       *                                                 E.g. `array( 'draft' => __( 'Draft' ), 'sticky' => __( 'Sticky' ), ... )`.
2284       * @param WP_Post                $post             The current post object.
2285       */
2286      $post_states_html = apply_filters( 'post_states_html', $post_states_html, $post_states, $post );
2287  
2288      if ( $display ) {
2289          echo $post_states_html;
2290      }
2291  
2292      return $post_states_html;
2293  }
2294  
2295  /**
2296   * Retrieves an array of post states from a post.
2297   *
2298   * @since 5.3.0
2299   *
2300   * @param WP_Post $post The post to retrieve states for.
2301   * @return string[] Array of post state labels keyed by their state.
2302   */
2303  function get_post_states( $post ) {
2304      $post_states = array();
2305      if ( ! $post instanceof WP_Post ) {
2306          return $post_states;
2307      }
2308  
2309      $post_status = $_REQUEST['post_status'] ?? '';
2310  
2311      if ( ! empty( $post->post_password ) ) {
2312          $post_states['protected'] = _x( 'Password protected', 'post status' );
2313      }
2314  
2315      if ( 'private' === $post->post_status && 'private' !== $post_status ) {
2316          $post_states['private'] = _x( 'Private', 'post status' );
2317      }
2318  
2319      if ( 'draft' === $post->post_status ) {
2320          if ( get_post_meta( $post->ID, '_customize_changeset_uuid', true ) ) {
2321              $post_states[] = __( 'Customization Draft' );
2322          } elseif ( 'draft' !== $post_status ) {
2323              $post_states['draft'] = _x( 'Draft', 'post status' );
2324          }
2325      } elseif ( 'trash' === $post->post_status && get_post_meta( $post->ID, '_customize_changeset_uuid', true ) ) {
2326          $post_states[] = _x( 'Customization Draft', 'post status' );
2327      }
2328  
2329      if ( 'pending' === $post->post_status && 'pending' !== $post_status ) {
2330          $post_states['pending'] = _x( 'Pending', 'post status' );
2331      }
2332  
2333      if ( is_sticky( $post->ID ) ) {
2334          $post_states['sticky'] = _x( 'Sticky', 'post status' );
2335      }
2336  
2337      if ( 'future' === $post->post_status ) {
2338          $post_states['scheduled'] = _x( 'Scheduled', 'post status' );
2339      }
2340  
2341      if ( 'page' === get_option( 'show_on_front' ) ) {
2342          if ( (int) get_option( 'page_on_front' ) === $post->ID ) {
2343              $post_states['page_on_front'] = _x( 'Front Page', 'page label' );
2344          }
2345  
2346          if ( (int) get_option( 'page_for_posts' ) === $post->ID ) {
2347              $post_states['page_for_posts'] = _x( 'Posts Page', 'page label' );
2348          }
2349      }
2350  
2351      if ( (int) get_option( 'wp_page_for_privacy_policy' ) === $post->ID ) {
2352          $post_states['page_for_privacy_policy'] = _x( 'Privacy Policy Page', 'page label' );
2353      }
2354  
2355      /**
2356       * Filters the default post display states used in the posts list table.
2357       *
2358       * @since 2.8.0
2359       * @since 3.6.0 Added the `$post` parameter.
2360       * @since 5.5.0 Also applied in the Customizer context. If any admin functions
2361       *              are used within the filter, their existence should be checked
2362       *              with `function_exists()` before being used.
2363       *
2364       * @param array<string, string>  $post_states A mapping of post state slugs to translated post state labels.
2365       *                                            E.g. `array( 'draft' => __( 'Draft' ), 'sticky' => __( 'Sticky' ), ... )`.
2366       * @param WP_Post                $post        The current post object.
2367       */
2368      return apply_filters( 'display_post_states', $post_states, $post );
2369  }
2370  
2371  /**
2372   * Outputs the attachment media states as HTML.
2373   *
2374   * @since 3.2.0
2375   * @since 5.6.0 Added the `$display` parameter and a return value.
2376   *
2377   * @param WP_Post $post    The attachment post to retrieve states for.
2378   * @param bool    $display Optional. Whether to display the post states as an HTML string.
2379   *                         Default true.
2380   * @return string Media states string.
2381   */
2382  function _media_states( $post, $display = true ) {
2383      $media_states        = get_media_states( $post );
2384      $media_states_string = '';
2385  
2386      if ( ! empty( $media_states ) ) {
2387          $state_count = count( $media_states );
2388          $separator   = wp_get_list_item_separator();
2389  
2390          $i = 0;
2391  
2392          $media_states_string .= ' &mdash; ';
2393  
2394          foreach ( $media_states as $state ) {
2395              ++$i;
2396  
2397              $suffix = ( $i < $state_count ) ? $separator : '';
2398  
2399              $media_states_string .= "<span class='post-state'>{$state}{$suffix}</span>";
2400          }
2401      }
2402  
2403      if ( $display ) {
2404          echo $media_states_string;
2405      }
2406  
2407      return $media_states_string;
2408  }
2409  
2410  /**
2411   * Retrieves an array of media states from an attachment.
2412   *
2413   * @since 5.6.0
2414   *
2415   * @param WP_Post $post The attachment to retrieve states for.
2416   * @return string[] Array of media state labels keyed by their state.
2417   */
2418  function get_media_states( $post ) {
2419      static $header_images;
2420  
2421      $media_states = array();
2422      $stylesheet   = get_option( 'stylesheet' );
2423  
2424      if ( current_theme_supports( 'custom-header' ) ) {
2425          $meta_header = get_post_meta( $post->ID, '_wp_attachment_is_custom_header', true );
2426  
2427          if ( is_random_header_image() ) {
2428              if ( ! isset( $header_images ) ) {
2429                  $header_images = wp_list_pluck( get_uploaded_header_images(), 'attachment_id' );
2430              }
2431  
2432              if ( $meta_header === $stylesheet && in_array( $post->ID, $header_images, true ) ) {
2433                  $media_states[] = __( 'Header Image' );
2434              }
2435          } else {
2436              $header_image = get_header_image();
2437  
2438              // Display "Header Image" if the image was ever used as a header image.
2439              if ( ! empty( $meta_header ) && $meta_header === $stylesheet && wp_get_attachment_url( $post->ID ) !== $header_image ) {
2440                  $media_states[] = __( 'Header Image' );
2441              }
2442  
2443              // Display "Current Header Image" if the image is currently the header image.
2444              if ( $header_image && wp_get_attachment_url( $post->ID ) === $header_image ) {
2445                  $media_states[] = __( 'Current Header Image' );
2446              }
2447          }
2448  
2449          if ( get_theme_support( 'custom-header', 'video' ) && has_header_video() ) {
2450              $mods = get_theme_mods();
2451              if ( isset( $mods['header_video'] ) && $post->ID === $mods['header_video'] ) {
2452                  $media_states[] = __( 'Current Header Video' );
2453              }
2454          }
2455      }
2456  
2457      if ( current_theme_supports( 'custom-background' ) ) {
2458          $meta_background = get_post_meta( $post->ID, '_wp_attachment_is_custom_background', true );
2459  
2460          if ( ! empty( $meta_background ) && $meta_background === $stylesheet ) {
2461              $media_states[] = __( 'Background Image' );
2462  
2463              $background_image = get_background_image();
2464              if ( $background_image && wp_get_attachment_url( $post->ID ) === $background_image ) {
2465                  $media_states[] = __( 'Current Background Image' );
2466              }
2467          }
2468      }
2469  
2470      if ( (int) get_option( 'site_icon' ) === $post->ID ) {
2471          $media_states[] = __( 'Site Icon' );
2472      }
2473  
2474      if ( (int) get_theme_mod( 'custom_logo' ) === $post->ID ) {
2475          $media_states[] = __( 'Logo' );
2476      }
2477  
2478      /**
2479       * Filters the default media display states for items in the Media list table.
2480       *
2481       * @since 3.2.0
2482       * @since 4.8.0 Added the `$post` parameter.
2483       *
2484       * @param string[] $media_states An array of media states. Default 'Header Image',
2485       *                               'Background Image', 'Site Icon', 'Logo'.
2486       * @param WP_Post  $post         The current attachment object.
2487       */
2488      return apply_filters( 'display_media_states', $media_states, $post );
2489  }
2490  
2491  /**
2492   * Tests support for compressing JavaScript from PHP.
2493   *
2494   * Outputs JavaScript that tests if compression from PHP works as expected
2495   * and sets an option with the result. Has no effect when the current user
2496   * is not an administrator. To run the test again the option 'can_compress_scripts'
2497   * has to be deleted.
2498   *
2499   * @since 2.8.0
2500   */
2501  function compression_test() {
2502      ?>
2503      <script>
2504      var compressionNonce = <?php echo wp_json_encode( wp_create_nonce( 'update_can_compress_scripts' ), JSON_HEX_TAG | JSON_UNESCAPED_SLASHES ); ?>;
2505      var testCompression = {
2506          get : function(test) {
2507              var x;
2508              if ( window.XMLHttpRequest ) {
2509                  x = new XMLHttpRequest();
2510              } else {
2511                  try{x=new ActiveXObject('Msxml2.XMLHTTP');}catch(e){try{x=new ActiveXObject('Microsoft.XMLHTTP');}catch(e){};}
2512              }
2513  
2514              if (x) {
2515                  x.onreadystatechange = function() {
2516                      var r, h;
2517                      if ( x.readyState == 4 ) {
2518                          r = x.responseText.substr(0, 18);
2519                          h = x.getResponseHeader('Content-Encoding');
2520                          testCompression.check(r, h, test);
2521                      }
2522                  };
2523  
2524                  x.open('GET', ajaxurl + '?action=wp-compression-test&test='+test+'&_ajax_nonce='+compressionNonce+'&'+(new Date()).getTime(), true);
2525                  x.send('');
2526              }
2527          },
2528  
2529          check : function(r, h, test) {
2530              if ( ! r && ! test )
2531                  this.get(1);
2532  
2533              if ( 1 == test ) {
2534                  if ( h && ( h.match(/deflate/i) || h.match(/gzip/i) ) )
2535                      this.get('no');
2536                  else
2537                      this.get(2);
2538  
2539                  return;
2540              }
2541  
2542              if ( 2 == test ) {
2543                  if ( '"wpCompressionTest' === r )
2544                      this.get('yes');
2545                  else
2546                      this.get('no');
2547              }
2548          }
2549      };
2550      testCompression.check();
2551      </script>
2552      <?php
2553  }
2554  
2555  /**
2556   * Echoes a submit button, with provided text and appropriate class(es).
2557   *
2558   * @since 3.1.0
2559   *
2560   * @see get_submit_button()
2561   *
2562   * @param string       $text             Optional. The text of the button. Defaults to 'Save Changes'.
2563   * @param string       $type             Optional. The type and CSS class(es) of the button. Core values
2564   *                                       include 'primary', 'small', and 'large'. Default 'primary'.
2565   * @param string       $name             Optional. The HTML name of the submit button. If no `id` attribute
2566   *                                       is given in the `$other_attributes` parameter, `$name` will be used
2567   *                                       as the button's `id`. Default 'submit'.
2568   * @param bool         $wrap             Optional. True if the output button should be wrapped in a paragraph tag,
2569   *                                       false otherwise. Default true.
2570   * @param array|string $other_attributes Optional. Other attributes that should be output with the button,
2571   *                                       mapping attributes to their values, e.g. `array( 'id' => 'search-submit' )`.
2572   *                                       These key/value attribute pairs will be output as `attribute="value"`,
2573   *                                       where attribute is the key. Attributes can also be provided as a string,
2574   *                                       e.g. `id="search-submit"`, though the array format is generally preferred.
2575   *                                       Default empty string.
2576   */
2577  function submit_button( $text = '', $type = 'primary', $name = 'submit', $wrap = true, $other_attributes = '' ) {
2578      echo get_submit_button( $text, $type, $name, $wrap, $other_attributes );
2579  }
2580  
2581  /**
2582   * Returns a submit button, with provided text and appropriate class.
2583   *
2584   * @since 3.1.0
2585   *
2586   * @param string       $text             Optional. The text of the button. Defaults to 'Save Changes'.
2587   * @param string       $type             Optional. The type and CSS class(es) of the button. Core values
2588   *                                       include 'primary', 'small', and 'large'. Default 'primary large'.
2589   * @param string       $name             Optional. The HTML name of the submit button. If no `id` attribute
2590   *                                       is given in the `$other_attributes` parameter, `$name` will be used
2591   *                                       as the button's `id`. Default 'submit'.
2592   * @param bool         $wrap             Optional. True if the output button should be wrapped in a paragraph tag,
2593   *                                       false otherwise. Default true.
2594   * @param array|string $other_attributes Optional. Other attributes that should be output with the button,
2595   *                                       mapping attributes to their values, e.g. `array( 'id' => 'search-submit' )`.
2596   *                                       These key/value attribute pairs will be output as `attribute="value"`,
2597   *                                       where attribute is the key. Attributes can also be provided as a string,
2598   *                                       e.g. `id="search-submit"`, though the array format is generally preferred.
2599   *                                       Default empty string.
2600   * @return string Submit button HTML.
2601   */
2602  function get_submit_button( $text = '', $type = 'primary large', $name = 'submit', $wrap = true, $other_attributes = '' ) {
2603      if ( ! is_array( $type ) ) {
2604          $type = explode( ' ', $type );
2605      }
2606  
2607      $button_shorthand = array( 'primary', 'small', 'large' );
2608      $classes          = array( 'button' );
2609  
2610      foreach ( $type as $t ) {
2611          if ( 'secondary' === $t || 'button-secondary' === $t ) {
2612              continue;
2613          }
2614  
2615          $classes[] = in_array( $t, $button_shorthand, true ) ? 'button-' . $t : $t;
2616      }
2617  
2618      // Remove empty items, remove duplicate items, and finally build a string.
2619      $class = implode( ' ', array_unique( array_filter( $classes ) ) );
2620  
2621      $text = $text ? $text : __( 'Save Changes' );
2622  
2623      // Default the id attribute to $name unless an id was specifically provided in $other_attributes.
2624      $id = $name;
2625      if ( is_array( $other_attributes ) && isset( $other_attributes['id'] ) ) {
2626          $id = $other_attributes['id'];
2627          unset( $other_attributes['id'] );
2628      }
2629  
2630      $attributes = '';
2631      if ( is_array( $other_attributes ) ) {
2632          foreach ( $other_attributes as $attribute => $value ) {
2633              $attributes .= $attribute . '="' . esc_attr( $value ) . '" '; // Trailing space is important.
2634          }
2635      } elseif ( ! empty( $other_attributes ) ) { // Attributes provided as a string.
2636          $attributes = $other_attributes;
2637      }
2638  
2639      // Don't output empty name and id attributes.
2640      $name_attr = $name ? ' name="' . esc_attr( $name ) . '"' : '';
2641      $id_attr   = $id ? ' id="' . esc_attr( $id ) . '"' : '';
2642  
2643      $button  = '<input type="submit"' . $name_attr . $id_attr . ' class="' . esc_attr( $class );
2644      $button .= '" value="' . esc_attr( $text ) . '" ' . $attributes . ' />';
2645  
2646      if ( $wrap ) {
2647          $button = '<p class="submit">' . $button . '</p>';
2648      }
2649  
2650      return $button;
2651  }
2652  
2653  /**
2654   * Prints out the beginning of the admin HTML header.
2655   *
2656   * @since 3.3.0
2657   *
2658   * @global bool $is_IE
2659   */
2660  function _wp_admin_html_begin() {
2661      global $is_IE;
2662  
2663      $admin_html_class = ( is_admin_bar_showing() ) ? 'wp-toolbar' : '';
2664  
2665      if ( $is_IE ) {
2666          header( 'X-UA-Compatible: IE=edge' );
2667      }
2668  
2669      ?>
2670  <!DOCTYPE html>
2671  <html class="<?php echo $admin_html_class; ?>"
2672      <?php
2673      /**
2674       * Fires inside the HTML tag in the admin header.
2675       *
2676       * @since 2.2.0
2677       */
2678      do_action( 'admin_xml_ns' );
2679  
2680      language_attributes();
2681      ?>
2682  >
2683  <head>
2684  <meta http-equiv="Content-Type" content="<?php bloginfo( 'html_type' ); ?>; charset=<?php echo get_option( 'blog_charset' ); ?>" />
2685      <?php
2686  }
2687  
2688  /**
2689   * Converts a screen string to a screen object.
2690   *
2691   * @since 3.0.0
2692   *
2693   * @param string $hook_name The hook name (also known as the hook suffix) used to determine the screen.
2694   * @return WP_Screen Screen object.
2695   */
2696  function convert_to_screen( $hook_name ) {
2697      if ( ! class_exists( 'WP_Screen' ) ) {
2698          _doing_it_wrong(
2699              'convert_to_screen(), add_meta_box()',
2700              sprintf(
2701                  /* translators: 1: wp-admin/includes/template.php, 2: add_meta_box(), 3: add_meta_boxes */
2702                  __( 'Likely direct inclusion of %1$s in order to use %2$s. This is very wrong. Hook the %2$s call into the %3$s action instead.' ),
2703                  '<code>wp-admin/includes/template.php</code>',
2704                  '<code>add_meta_box()</code>',
2705                  '<code>add_meta_boxes</code>'
2706              ),
2707              '3.3.0'
2708          );
2709          return (object) array(
2710              'id'   => '_invalid',
2711              'base' => '_are_belong_to_us',
2712          );
2713      }
2714  
2715      return WP_Screen::get( $hook_name );
2716  }
2717  
2718  /**
2719   * Outputs the HTML for restoring the post data from DOM storage
2720   *
2721   * @since 3.6.0
2722   * @access private
2723   */
2724  function _local_storage_notice() {
2725      $local_storage_message  = '<p class="local-restore">';
2726      $local_storage_message .= __( 'The backup of this post in your browser is different from the version below.' );
2727      $local_storage_message .= '<button type="button" class="button restore-backup">' . __( 'Restore the backup' ) . '</button></p>';
2728      $local_storage_message .= '<p class="help">';
2729      $local_storage_message .= __( 'This will replace the current editor content with the last backup version. You can use undo and redo in the editor to get the old content back or to return to the restored version.' );
2730      $local_storage_message .= '</p>';
2731  
2732      wp_admin_notice(
2733          $local_storage_message,
2734          array(
2735              'id'                 => 'local-storage-notice',
2736              'additional_classes' => array( 'hidden' ),
2737              'dismissible'        => true,
2738              'paragraph_wrap'     => false,
2739          )
2740      );
2741  }
2742  
2743  /**
2744   * Outputs a HTML element with a star rating for a given rating.
2745   *
2746   * Outputs a HTML element with the star rating exposed on a 0..5 scale in
2747   * half star increments (ie. 1, 1.5, 2 stars). Optionally, if specified, the
2748   * number of ratings may also be displayed by passing the $number parameter.
2749   *
2750   * @since 3.8.0
2751   * @since 4.4.0 Introduced the `echo` parameter.
2752   *
2753   * @param array $args {
2754   *     Optional. Array of star ratings arguments.
2755   *
2756   *     @type int|float $rating The rating to display, expressed in either a 0.5 rating increment,
2757   *                             or percentage. Default 0.
2758   *     @type string    $type   Format that the $rating is in. Valid values are 'rating' (default),
2759   *                             or, 'percent'. Default 'rating'.
2760   *     @type int       $number The number of ratings that makes up this rating. Default 0.
2761   *     @type bool      $echo   Whether to echo the generated markup. False to return the markup instead
2762   *                             of echoing it. Default true.
2763   * }
2764   * @return string Star rating HTML.
2765   */
2766  function wp_star_rating( $args = array() ) {
2767      $defaults    = array(
2768          'rating' => 0,
2769          'type'   => 'rating',
2770          'number' => 0,
2771          'echo'   => true,
2772      );
2773      $parsed_args = wp_parse_args( $args, $defaults );
2774  
2775      // Non-English decimal places when the $rating is coming from a string.
2776      $rating = (float) str_replace( ',', '.', $parsed_args['rating'] );
2777  
2778      // Convert percentage to star rating, 0..5 in .5 increments.
2779      if ( 'percent' === $parsed_args['type'] ) {
2780          $rating = round( $rating / 10, 0 ) / 2;
2781      }
2782  
2783      // Calculate the number of each type of star needed.
2784      $full_stars  = floor( $rating );
2785      $half_stars  = ceil( $rating - $full_stars );
2786      $empty_stars = 5 - $full_stars - $half_stars;
2787  
2788      if ( $parsed_args['number'] ) {
2789          /* translators: Hidden accessibility text. 1: The rating, 2: The number of ratings. */
2790          $format = _n( '%1$s rating based on %2$s rating', '%1$s rating based on %2$s ratings', $parsed_args['number'] );
2791          $title  = sprintf( $format, number_format_i18n( $rating, 1 ), number_format_i18n( $parsed_args['number'] ) );
2792      } else {
2793          /* translators: Hidden accessibility text. %s: The rating. */
2794          $title = sprintf( __( '%s rating' ), number_format_i18n( $rating, 1 ) );
2795      }
2796  
2797      $output  = '<div class="star-rating">';
2798      $output .= '<span class="screen-reader-text">' . $title . '</span>';
2799      $output .= str_repeat( '<div class="star star-full" aria-hidden="true"></div>', $full_stars );
2800      $output .= str_repeat( '<div class="star star-half" aria-hidden="true"></div>', $half_stars );
2801      $output .= str_repeat( '<div class="star star-empty" aria-hidden="true"></div>', $empty_stars );
2802      $output .= '</div>';
2803  
2804      if ( $parsed_args['echo'] ) {
2805          echo $output;
2806      }
2807  
2808      return $output;
2809  }
2810  
2811  /**
2812   * Outputs a notice when editing the page for posts (internal use only).
2813   *
2814   * @ignore
2815   * @since 4.2.0
2816   */
2817  function _wp_posts_page_notice() {
2818      wp_admin_notice(
2819          __( 'You are currently editing the page that shows your latest posts.' ),
2820          array(
2821              'type'               => 'warning',
2822              'additional_classes' => array( 'inline' ),
2823          )
2824      );
2825  }
2826  
2827  /**
2828   * Outputs a notice when editing the page for posts in the block editor (internal use only).
2829   *
2830   * @ignore
2831   * @since 5.8.0
2832   */
2833  function _wp_block_editor_posts_page_notice() {
2834      wp_add_inline_script(
2835          'wp-notices',
2836          sprintf(
2837              'wp.data.dispatch( "core/notices" ).createWarningNotice( "%s", { isDismissible: false } )',
2838              __( 'You are currently editing the page that shows your latest posts.' )
2839          ),
2840          'after'
2841      );
2842  }


Generated : Mon May 4 08:20:14 2026 Cross-referenced by PHPXref