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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 New 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" 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 New 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      // @todo Remove this?
 821      // echo '<label for="timestamp" style="display: block;"><input type="checkbox" class="checkbox" name="edit_date" value="1" id="timestamp"'.$tab_index_attribute.' /> '.__( 'Edit timestamp' ).'</label><br />';
 822  
 823      $post_date = ( $for_post ) ? $post->post_date : get_comment()->comment_date;
 824      $jj        = ( $edit ) ? mysql2date( 'd', $post_date, false ) : current_time( 'd' );
 825      $mm        = ( $edit ) ? mysql2date( 'm', $post_date, false ) : current_time( 'm' );
 826      $aa        = ( $edit ) ? mysql2date( 'Y', $post_date, false ) : current_time( 'Y' );
 827      $hh        = ( $edit ) ? mysql2date( 'H', $post_date, false ) : current_time( 'H' );
 828      $mn        = ( $edit ) ? mysql2date( 'i', $post_date, false ) : current_time( 'i' );
 829      $ss        = ( $edit ) ? mysql2date( 's', $post_date, false ) : current_time( 's' );
 830  
 831      $cur_jj = current_time( 'd' );
 832      $cur_mm = current_time( 'm' );
 833      $cur_aa = current_time( 'Y' );
 834      $cur_hh = current_time( 'H' );
 835      $cur_mn = current_time( 'i' );
 836  
 837      $month = '<label><span class="screen-reader-text">' .
 838          /* translators: Hidden accessibility text. */
 839          __( 'Month' ) .
 840      '</span><select class="form-required" ' . ( $multi ? '' : 'id="mm" ' ) . 'name="mm"' . $tab_index_attribute . ">\n";
 841      for ( $i = 1; $i < 13; $i = $i + 1 ) {
 842          $monthnum  = zeroise( $i, 2 );
 843          $monthtext = $wp_locale->get_month_abbrev( $wp_locale->get_month( $i ) );
 844          $month    .= "\t\t\t" . '<option value="' . $monthnum . '" data-text="' . $monthtext . '" ' . selected( $monthnum, $mm, false ) . '>';
 845          /* translators: 1: Month number (01, 02, etc.), 2: Month abbreviation. */
 846          $month .= sprintf( __( '%1$s-%2$s' ), $monthnum, $monthtext ) . "</option>\n";
 847      }
 848      $month .= '</select></label>';
 849  
 850      $day = '<label><span class="screen-reader-text">' .
 851          /* translators: Hidden accessibility text. */
 852          __( 'Day' ) .
 853      '</span><input type="text" ' . ( $multi ? '' : 'id="jj" ' ) . 'name="jj" value="' . $jj . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" class="form-required" /></label>';
 854      $year = '<label><span class="screen-reader-text">' .
 855          /* translators: Hidden accessibility text. */
 856          __( 'Year' ) .
 857      '</span><input type="text" ' . ( $multi ? '' : 'id="aa" ' ) . 'name="aa" value="' . $aa . '" size="4" maxlength="4"' . $tab_index_attribute . ' autocomplete="off" class="form-required" /></label>';
 858      $hour = '<label><span class="screen-reader-text">' .
 859          /* translators: Hidden accessibility text. */
 860          __( 'Hour' ) .
 861      '</span><input type="text" ' . ( $multi ? '' : 'id="hh" ' ) . 'name="hh" value="' . $hh . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" class="form-required" /></label>';
 862      $minute = '<label><span class="screen-reader-text">' .
 863          /* translators: Hidden accessibility text. */
 864          __( 'Minute' ) .
 865      '</span><input type="text" ' . ( $multi ? '' : 'id="mn" ' ) . 'name="mn" value="' . $mn . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" class="form-required" /></label>';
 866  
 867      echo '<div class="timestamp-wrap">';
 868      /* translators: 1: Month, 2: Day, 3: Year, 4: Hour, 5: Minute. */
 869      printf( __( '%1$s %2$s, %3$s at %4$s:%5$s' ), $month, $day, $year, $hour, $minute );
 870  
 871      echo '</div><input type="hidden" id="ss" name="ss" value="' . $ss . '" />';
 872  
 873      if ( $multi ) {
 874          return;
 875      }
 876  
 877      echo "\n\n";
 878  
 879      $map = array(
 880          'mm' => array( $mm, $cur_mm ),
 881          'jj' => array( $jj, $cur_jj ),
 882          'aa' => array( $aa, $cur_aa ),
 883          'hh' => array( $hh, $cur_hh ),
 884          'mn' => array( $mn, $cur_mn ),
 885      );
 886  
 887      foreach ( $map as $timeunit => $value ) {
 888          list( $unit, $curr ) = $value;
 889  
 890          echo '<input type="hidden" id="hidden_' . $timeunit . '" name="hidden_' . $timeunit . '" value="' . $unit . '" />' . "\n";
 891          $cur_timeunit = 'cur_' . $timeunit;
 892          echo '<input type="hidden" id="' . $cur_timeunit . '" name="' . $cur_timeunit . '" value="' . $curr . '" />' . "\n";
 893      }
 894      ?>
 895  
 896  <p>
 897  <a href="#edit_timestamp" class="save-timestamp hide-if-no-js button"><?php _e( 'OK' ); ?></a>
 898  <a href="#edit_timestamp" class="cancel-timestamp hide-if-no-js button-cancel"><?php _e( 'Cancel' ); ?></a>
 899  </p>
 900      <?php
 901  }
 902  
 903  /**
 904   * Prints out option HTML elements for the page templates drop-down.
 905   *
 906   * @since 1.5.0
 907   * @since 4.7.0 Added the `$post_type` parameter.
 908   *
 909   * @param string $default_template Optional. The template file name. Default empty.
 910   * @param string $post_type        Optional. Post type to get templates for. Default 'page'.
 911   */
 912  function page_template_dropdown( $default_template = '', $post_type = 'page' ) {
 913      $templates = get_page_templates( null, $post_type );
 914  
 915      ksort( $templates );
 916  
 917      foreach ( array_keys( $templates ) as $template ) {
 918          $selected = selected( $default_template, $templates[ $template ], false );
 919          echo "\n\t<option value='" . esc_attr( $templates[ $template ] ) . "' $selected>" . esc_html( $template ) . '</option>';
 920      }
 921  }
 922  
 923  /**
 924   * Prints out option HTML elements for the page parents drop-down.
 925   *
 926   * @since 1.5.0
 927   * @since 4.4.0 `$post` argument was added.
 928   *
 929   * @global wpdb $wpdb WordPress database abstraction object.
 930   *
 931   * @param int         $default_page Optional. The default page ID to be pre-selected. Default 0.
 932   * @param int         $parent_page  Optional. The parent page ID. Default 0.
 933   * @param int         $level        Optional. Page depth level. Default 0.
 934   * @param int|WP_Post $post         Post ID or WP_Post object.
 935   * @return void|false Void on success, false if the page has no children.
 936   */
 937  function parent_dropdown( $default_page = 0, $parent_page = 0, $level = 0, $post = null ) {
 938      global $wpdb;
 939  
 940      $post  = get_post( $post );
 941      $items = $wpdb->get_results(
 942          $wpdb->prepare(
 943              "SELECT ID, post_parent, post_title
 944              FROM $wpdb->posts
 945              WHERE post_parent = %d AND post_type = 'page'
 946              ORDER BY menu_order",
 947              $parent_page
 948          )
 949      );
 950  
 951      if ( $items ) {
 952          foreach ( $items as $item ) {
 953              // A page cannot be its own parent.
 954              if ( $post && $post->ID && (int) $item->ID === $post->ID ) {
 955                  continue;
 956              }
 957  
 958              $pad      = str_repeat( '&nbsp;', $level * 3 );
 959              $selected = selected( $default_page, $item->ID, false );
 960  
 961              echo "\n\t<option class='level-$level' value='$item->ID' $selected>$pad " . esc_html( $item->post_title ) . '</option>';
 962              parent_dropdown( $default_page, $item->ID, $level + 1 );
 963          }
 964      } else {
 965          return false;
 966      }
 967  }
 968  
 969  /**
 970   * Prints out option HTML elements for role selectors.
 971   *
 972   * @since 2.1.0
 973   *
 974   * @param string $selected Slug for the role that should be already selected.
 975   */
 976  function wp_dropdown_roles( $selected = '' ) {
 977      $r = '';
 978  
 979      $editable_roles = array_reverse( get_editable_roles() );
 980  
 981      foreach ( $editable_roles as $role => $details ) {
 982          $name = translate_user_role( $details['name'] );
 983          // Preselect specified role.
 984          if ( $selected === $role ) {
 985              $r .= "\n\t<option selected='selected' value='" . esc_attr( $role ) . "'>$name</option>";
 986          } else {
 987              $r .= "\n\t<option value='" . esc_attr( $role ) . "'>$name</option>";
 988          }
 989      }
 990  
 991      echo $r;
 992  }
 993  
 994  /**
 995   * Outputs the form used by the importers to accept the data to be imported.
 996   *
 997   * @since 2.0.0
 998   *
 999   * @param string $action The action attribute for the form.
1000   */
1001  function wp_import_upload_form( $action ) {
1002  
1003      /**
1004       * Filters the maximum allowed upload size for import files.
1005       *
1006       * @since 2.3.0
1007       *
1008       * @see wp_max_upload_size()
1009       *
1010       * @param int $max_upload_size Allowed upload size. Default 1 MB.
1011       */
1012      $bytes      = apply_filters( 'import_upload_size_limit', wp_max_upload_size() );
1013      $size       = size_format( $bytes );
1014      $upload_dir = wp_upload_dir();
1015      if ( ! empty( $upload_dir['error'] ) ) :
1016          $upload_directory_error  = '<p>' . __( 'Before you can upload your import file, you will need to fix the following error:' ) . '</p>';
1017          $upload_directory_error .= '<p><strong>' . $upload_dir['error'] . '</strong></p>';
1018          wp_admin_notice(
1019              $upload_directory_error,
1020              array(
1021                  'additional_classes' => array( 'error' ),
1022                  'paragraph_wrap'     => false,
1023              )
1024          );
1025      else :
1026          ?>
1027  <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' ) ); ?>">
1028  <p>
1029          <?php
1030          printf(
1031              '<label for="upload">%s</label> (%s)',
1032              __( 'Choose a file from your computer:' ),
1033              /* translators: %s: Maximum allowed file size. */
1034              sprintf( __( 'Maximum size: %s' ), $size )
1035          );
1036          ?>
1037  <input type="file" id="upload" name="import" size="25" />
1038  <input type="hidden" name="action" value="save" />
1039  <input type="hidden" name="max_file_size" value="<?php echo $bytes; ?>" />
1040  </p>
1041          <?php submit_button( __( 'Upload file and import' ), 'primary' ); ?>
1042  </form>
1043          <?php
1044      endif;
1045  }
1046  
1047  /**
1048   * Adds a meta box to one or more screens.
1049   *
1050   * @since 2.5.0
1051   * @since 4.4.0 The `$screen` parameter now accepts an array of screen IDs.
1052   *
1053   * @global array $wp_meta_boxes Global meta box state.
1054   *
1055   * @param string                 $id            Meta box ID (used in the 'id' attribute for the meta box).
1056   * @param string                 $title         Title of the meta box.
1057   * @param callable               $callback      Function that fills the box with the desired content.
1058   *                                              The function should echo its output.
1059   * @param string|array|WP_Screen $screen        Optional. The screen or screens on which to show the box
1060   *                                              (such as a post type, 'link', or 'comment'). Accepts a single
1061   *                                              screen ID, WP_Screen object, or array of screen IDs. Default
1062   *                                              is the current screen.  If you have used add_menu_page() or
1063   *                                              add_submenu_page() to create a new screen (and hence screen_id),
1064   *                                              make sure your menu slug conforms to the limits of sanitize_key()
1065   *                                              otherwise the 'screen' menu may not correctly render on your page.
1066   * @param string                 $context       Optional. The context within the screen where the box
1067   *                                              should display. Available contexts vary from screen to
1068   *                                              screen. Post edit screen contexts include 'normal', 'side',
1069   *                                              and 'advanced'. Comments screen contexts include 'normal'
1070   *                                              and 'side'. Menus meta boxes (accordion sections) all use
1071   *                                              the 'side' context. Global default is 'advanced'.
1072   * @param string                 $priority      Optional. The priority within the context where the box should show.
1073   *                                              Accepts 'high', 'core', 'default', or 'low'. Default 'default'.
1074   * @param array                  $callback_args Optional. Data that should be set as the $args property
1075   *                                              of the box array (which is the second parameter passed
1076   *                                              to your callback). Default null.
1077   */
1078  function add_meta_box( $id, $title, $callback, $screen = null, $context = 'advanced', $priority = 'default', $callback_args = null ) {
1079      global $wp_meta_boxes;
1080  
1081      if ( empty( $screen ) ) {
1082          $screen = get_current_screen();
1083      } elseif ( is_string( $screen ) ) {
1084          $screen = convert_to_screen( $screen );
1085      } elseif ( is_array( $screen ) ) {
1086          foreach ( $screen as $single_screen ) {
1087              add_meta_box( $id, $title, $callback, $single_screen, $context, $priority, $callback_args );
1088          }
1089      }
1090  
1091      if ( ! isset( $screen->id ) ) {
1092          return;
1093      }
1094  
1095      $page = $screen->id;
1096  
1097      if ( ! isset( $wp_meta_boxes ) ) {
1098          $wp_meta_boxes = array();
1099      }
1100      if ( ! isset( $wp_meta_boxes[ $page ] ) ) {
1101          $wp_meta_boxes[ $page ] = array();
1102      }
1103      if ( ! isset( $wp_meta_boxes[ $page ][ $context ] ) ) {
1104          $wp_meta_boxes[ $page ][ $context ] = array();
1105      }
1106  
1107      foreach ( array_keys( $wp_meta_boxes[ $page ] ) as $a_context ) {
1108          foreach ( array( 'high', 'core', 'default', 'low' ) as $a_priority ) {
1109              if ( ! isset( $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ] ) ) {
1110                  continue;
1111              }
1112  
1113              // If a core box was previously removed, don't add.
1114              if ( ( 'core' === $priority || 'sorted' === $priority )
1115                  && false === $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ]
1116              ) {
1117                  return;
1118              }
1119  
1120              // If a core box was previously added by a plugin, don't add.
1121              if ( 'core' === $priority ) {
1122                  /*
1123                   * If the box was added with default priority, give it core priority
1124                   * to maintain sort order.
1125                   */
1126                  if ( 'default' === $a_priority ) {
1127                      $wp_meta_boxes[ $page ][ $a_context ]['core'][ $id ] = $wp_meta_boxes[ $page ][ $a_context ]['default'][ $id ];
1128                      unset( $wp_meta_boxes[ $page ][ $a_context ]['default'][ $id ] );
1129                  }
1130                  return;
1131              }
1132  
1133              // If no priority given and ID already present, use existing priority.
1134              if ( empty( $priority ) ) {
1135                  $priority = $a_priority;
1136                  /*
1137                   * Else, if we're adding to the sorted priority, we don't know the title
1138                   * or callback. Grab them from the previously added context/priority.
1139                   */
1140              } elseif ( 'sorted' === $priority ) {
1141                  $title         = $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ]['title'];
1142                  $callback      = $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ]['callback'];
1143                  $callback_args = $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ]['args'];
1144              }
1145  
1146              // An ID can be in only one priority and one context.
1147              if ( $priority !== $a_priority || $context !== $a_context ) {
1148                  unset( $wp_meta_boxes[ $page ][ $a_context ][ $a_priority ][ $id ] );
1149              }
1150          }
1151      }
1152  
1153      if ( empty( $priority ) ) {
1154          $priority = 'low';
1155      }
1156  
1157      if ( ! isset( $wp_meta_boxes[ $page ][ $context ][ $priority ] ) ) {
1158          $wp_meta_boxes[ $page ][ $context ][ $priority ] = array();
1159      }
1160  
1161      $wp_meta_boxes[ $page ][ $context ][ $priority ][ $id ] = array(
1162          'id'       => $id,
1163          'title'    => $title,
1164          'callback' => $callback,
1165          'args'     => $callback_args,
1166      );
1167  }
1168  
1169  
1170  /**
1171   * Renders a "fake" meta box with an information message,
1172   * shown on the block editor, when an incompatible meta box is found.
1173   *
1174   * @since 5.0.0
1175   *
1176   * @param mixed $data_object The data object being rendered on this screen.
1177   * @param array $box         {
1178   *     Custom formats meta box arguments.
1179   *
1180   *     @type string   $id           Meta box 'id' attribute.
1181   *     @type string   $title        Meta box title.
1182   *     @type callable $old_callback The original callback for this meta box.
1183   *     @type array    $args         Extra meta box arguments.
1184   * }
1185   */
1186  function do_block_editor_incompatible_meta_box( $data_object, $box ) {
1187      $plugin  = _get_plugin_from_callback( $box['old_callback'] );
1188      $plugins = get_plugins();
1189      echo '<p>';
1190      if ( $plugin ) {
1191          /* translators: %s: The name of the plugin that generated this meta box. */
1192          printf( __( 'This meta box, from the %s plugin, is not compatible with the block editor.' ), "<strong>{$plugin['Name']}</strong>" );
1193      } else {
1194          _e( 'This meta box is not compatible with the block editor.' );
1195      }
1196      echo '</p>';
1197  
1198      if ( empty( $plugins['classic-editor/classic-editor.php'] ) ) {
1199          if ( current_user_can( 'install_plugins' ) ) {
1200              $install_url = wp_nonce_url(
1201                  self_admin_url( 'plugin-install.php?tab=favorites&user=wordpressdotorg&save=0' ),
1202                  'save_wporg_username_' . get_current_user_id()
1203              );
1204  
1205              echo '<p>';
1206              /* translators: %s: A link to install the Classic Editor plugin. */
1207              printf( __( 'Please install the <a href="%s">Classic Editor plugin</a> to use this meta box.' ), esc_url( $install_url ) );
1208              echo '</p>';
1209          }
1210      } elseif ( is_plugin_inactive( 'classic-editor/classic-editor.php' ) ) {
1211          if ( current_user_can( 'activate_plugins' ) ) {
1212              $activate_url = wp_nonce_url(
1213                  self_admin_url( 'plugins.php?action=activate&plugin=classic-editor/classic-editor.php' ),
1214                  'activate-plugin_classic-editor/classic-editor.php'
1215              );
1216  
1217              echo '<p>';
1218              /* translators: %s: A link to activate the Classic Editor plugin. */
1219              printf( __( 'Please activate the <a href="%s">Classic Editor plugin</a> to use this meta box.' ), esc_url( $activate_url ) );
1220              echo '</p>';
1221          }
1222      } elseif ( $data_object instanceof WP_Post ) {
1223          $edit_url = add_query_arg(
1224              array(
1225                  'classic-editor'         => '',
1226                  'classic-editor__forget' => '',
1227              ),
1228              get_edit_post_link( $data_object )
1229          );
1230          echo '<p>';
1231          /* translators: %s: A link to use the Classic Editor plugin. */
1232          printf( __( 'Please open the <a href="%s">classic editor</a> to use this meta box.' ), esc_url( $edit_url ) );
1233          echo '</p>';
1234      }
1235  }
1236  
1237  /**
1238   * Internal helper function to find the plugin from a meta box callback.
1239   *
1240   * @since 5.0.0
1241   *
1242   * @access private
1243   *
1244   * @param callable $callback The callback function to check.
1245   * @return array|null The plugin that the callback belongs to, or null if it doesn't belong to a plugin.
1246   */
1247  function _get_plugin_from_callback( $callback ) {
1248      try {
1249          if ( is_array( $callback ) ) {
1250              $reflection = new ReflectionMethod( $callback[0], $callback[1] );
1251          } elseif ( is_string( $callback ) && str_contains( $callback, '::' ) ) {
1252              $reflection = new ReflectionMethod( $callback );
1253          } else {
1254              $reflection = new ReflectionFunction( $callback );
1255          }
1256      } catch ( ReflectionException $exception ) {
1257          // We could not properly reflect on the callable, so we abort here.
1258          return null;
1259      }
1260  
1261      // Don't show an error if it's an internal PHP function.
1262      if ( ! $reflection->isInternal() ) {
1263  
1264          // Only show errors if the meta box was registered by a plugin.
1265          $filename   = wp_normalize_path( $reflection->getFileName() );
1266          $plugin_dir = wp_normalize_path( WP_PLUGIN_DIR );
1267  
1268          if ( str_starts_with( $filename, $plugin_dir ) ) {
1269              $filename = str_replace( $plugin_dir, '', $filename );
1270              $filename = preg_replace( '|^/([^/]*/).*$|', '\\1', $filename );
1271  
1272              $plugins = get_plugins();
1273  
1274              foreach ( $plugins as $name => $plugin ) {
1275                  if ( str_starts_with( $name, $filename ) ) {
1276                      return $plugin;
1277                  }
1278              }
1279          }
1280      }
1281  
1282      return null;
1283  }
1284  
1285  /**
1286   * Meta-Box template function.
1287   *
1288   * @since 2.5.0
1289   *
1290   * @global array $wp_meta_boxes Global meta box state.
1291   *
1292   * @param string|WP_Screen $screen      The screen identifier. If you have used add_menu_page() or
1293   *                                      add_submenu_page() to create a new screen (and hence screen_id)
1294   *                                      make sure your menu slug conforms to the limits of sanitize_key()
1295   *                                      otherwise the 'screen' menu may not correctly render on your page.
1296   * @param string           $context     The screen context for which to display meta boxes.
1297   * @param mixed            $data_object Gets passed to the meta box callback function as the first parameter.
1298   *                                      Often this is the object that's the focus of the current screen,
1299   *                                      for example a `WP_Post` or `WP_Comment` object.
1300   * @return int Number of meta_boxes.
1301   */
1302  function do_meta_boxes( $screen, $context, $data_object ) {
1303      global $wp_meta_boxes;
1304      static $already_sorted = false;
1305  
1306      if ( empty( $screen ) ) {
1307          $screen = get_current_screen();
1308      } elseif ( is_string( $screen ) ) {
1309          $screen = convert_to_screen( $screen );
1310      }
1311  
1312      $page = $screen->id;
1313  
1314      $hidden = get_hidden_meta_boxes( $screen );
1315  
1316      printf( '<div id="%s-sortables" class="meta-box-sortables">', esc_attr( $context ) );
1317  
1318      /*
1319       * Grab the ones the user has manually sorted.
1320       * Pull them out of their previous context/priority and into the one the user chose.
1321       */
1322      $sorted = get_user_option( "meta-box-order_$page" );
1323  
1324      if ( ! $already_sorted && $sorted ) {
1325          foreach ( $sorted as $box_context => $ids ) {
1326              foreach ( explode( ',', $ids ) as $id ) {
1327                  if ( $id && 'dashboard_browser_nag' !== $id ) {
1328                      add_meta_box( $id, null, null, $screen, $box_context, 'sorted' );
1329                  }
1330              }
1331          }
1332      }
1333  
1334      $already_sorted = true;
1335  
1336      $i = 0;
1337  
1338      if ( isset( $wp_meta_boxes[ $page ][ $context ] ) ) {
1339          foreach ( array( 'high', 'sorted', 'core', 'default', 'low' ) as $priority ) {
1340              if ( isset( $wp_meta_boxes[ $page ][ $context ][ $priority ] ) ) {
1341                  foreach ( (array) $wp_meta_boxes[ $page ][ $context ][ $priority ] as $box ) {
1342                      if ( false === $box || ! $box['title'] ) {
1343                          continue;
1344                      }
1345  
1346                      $block_compatible = true;
1347                      if ( is_array( $box['args'] ) ) {
1348                          // If a meta box is just here for back compat, don't show it in the block editor.
1349                          if ( $screen->is_block_editor() && isset( $box['args']['__back_compat_meta_box'] ) && $box['args']['__back_compat_meta_box'] ) {
1350                              continue;
1351                          }
1352  
1353                          if ( isset( $box['args']['__block_editor_compatible_meta_box'] ) ) {
1354                              $block_compatible = (bool) $box['args']['__block_editor_compatible_meta_box'];
1355                              unset( $box['args']['__block_editor_compatible_meta_box'] );
1356                          }
1357  
1358                          // If the meta box is declared as incompatible with the block editor, override the callback function.
1359                          if ( ! $block_compatible && $screen->is_block_editor() ) {
1360                              $box['old_callback'] = $box['callback'];
1361                              $box['callback']     = 'do_block_editor_incompatible_meta_box';
1362                          }
1363  
1364                          if ( isset( $box['args']['__back_compat_meta_box'] ) ) {
1365                              $block_compatible = $block_compatible || (bool) $box['args']['__back_compat_meta_box'];
1366                              unset( $box['args']['__back_compat_meta_box'] );
1367                          }
1368                      }
1369  
1370                      ++$i;
1371                      // get_hidden_meta_boxes() doesn't apply in the block editor.
1372                      $hidden_class = ( ! $screen->is_block_editor() && in_array( $box['id'], $hidden, true ) ) ? ' hide-if-js' : '';
1373                      echo '<div id="' . $box['id'] . '" class="postbox ' . postbox_classes( $box['id'], $page ) . $hidden_class . '" ' . '>' . "\n";
1374  
1375                      echo '<div class="postbox-header">';
1376                      echo '<h2 class="hndle">';
1377                      if ( 'dashboard_php_nag' === $box['id'] ) {
1378                          echo '<span aria-hidden="true" class="dashicons dashicons-warning"></span>';
1379                          echo '<span class="screen-reader-text">' .
1380                              /* translators: Hidden accessibility text. */
1381                              __( 'Warning:' ) .
1382                          ' </span>';
1383                      }
1384                      echo $box['title'];
1385                      echo "</h2>\n";
1386  
1387                      if ( 'dashboard_browser_nag' !== $box['id'] ) {
1388                          $widget_title = $box['title'];
1389  
1390                          if ( is_array( $box['args'] ) && isset( $box['args']['__widget_basename'] ) ) {
1391                              $widget_title = $box['args']['__widget_basename'];
1392                              // Do not pass this parameter to the user callback function.
1393                              unset( $box['args']['__widget_basename'] );
1394                          }
1395  
1396                          echo '<div class="handle-actions hide-if-no-js">';
1397  
1398                          echo '<button type="button" class="handle-order-higher" aria-disabled="false" aria-describedby="' . $box['id'] . '-handle-order-higher-description">';
1399                          echo '<span class="screen-reader-text">' .
1400                              /* translators: Hidden accessibility text. */
1401                              __( 'Move up' ) .
1402                          '</span>';
1403                          echo '<span class="order-higher-indicator" aria-hidden="true"></span>';
1404                          echo '</button>';
1405                          echo '<span class="hidden" id="' . $box['id'] . '-handle-order-higher-description">' . sprintf(
1406                              /* translators: %s: Meta box title. */
1407                              __( 'Move %s box up' ),
1408                              $widget_title
1409                          ) . '</span>';
1410  
1411                          echo '<button type="button" class="handle-order-lower" aria-disabled="false" aria-describedby="' . $box['id'] . '-handle-order-lower-description">';
1412                          echo '<span class="screen-reader-text">' .
1413                              /* translators: Hidden accessibility text. */
1414                              __( 'Move down' ) .
1415                          '</span>';
1416                          echo '<span class="order-lower-indicator" aria-hidden="true"></span>';
1417                          echo '</button>';
1418                          echo '<span class="hidden" id="' . $box['id'] . '-handle-order-lower-description">' . sprintf(
1419                              /* translators: %s: Meta box title. */
1420                              __( 'Move %s box down' ),
1421                              $widget_title
1422                          ) . '</span>';
1423  
1424                          echo '<button type="button" class="handlediv" aria-expanded="true">';
1425                          echo '<span class="screen-reader-text">' . sprintf(
1426                              /* translators: %s: Hidden accessibility text. Meta box title. */
1427                              __( 'Toggle panel: %s' ),
1428                              $widget_title
1429                          ) . '</span>';
1430                          echo '<span class="toggle-indicator" aria-hidden="true"></span>';
1431                          echo '</button>';
1432  
1433                          echo '</div>';
1434                      }
1435                      echo '</div>';
1436  
1437                      echo '<div class="inside">' . "\n";
1438  
1439                      if ( WP_DEBUG && ! $block_compatible && 'edit' === $screen->parent_base && ! $screen->is_block_editor() && ! isset( $_GET['meta-box-loader'] ) ) {
1440                          $plugin = _get_plugin_from_callback( $box['callback'] );
1441                          if ( $plugin ) {
1442                              $meta_box_not_compatible_message = sprintf(
1443                                  /* translators: %s: The name of the plugin that generated this meta box. */
1444                                  __( 'This meta box, from the %s plugin, is not compatible with the block editor.' ),
1445                                  "<strong>{$plugin['Name']}</strong>"
1446                              );
1447                              wp_admin_notice(
1448                                  $meta_box_not_compatible_message,
1449                                  array(
1450                                      'additional_classes' => array( 'error', 'inline' ),
1451                                  )
1452                              );
1453                          }
1454                      }
1455  
1456                      call_user_func( $box['callback'], $data_object, $box );
1457                      echo "</div>\n";
1458                      echo "</div>\n";
1459                  }
1460              }
1461          }
1462      }
1463  
1464      echo '</div>';
1465  
1466      return $i;
1467  }
1468  
1469  /**
1470   * Removes a meta box from one or more screens.
1471   *
1472   * @since 2.6.0
1473   * @since 4.4.0 The `$screen` parameter now accepts an array of screen IDs.
1474   *
1475   * @global array $wp_meta_boxes Global meta box state.
1476   *
1477   * @param string                 $id      Meta box ID (used in the 'id' attribute for the meta box).
1478   * @param string|array|WP_Screen $screen  The screen or screens on which the meta box is shown (such as a
1479   *                                        post type, 'link', or 'comment'). Accepts a single screen ID,
1480   *                                        WP_Screen object, or array of screen IDs.
1481   * @param string                 $context The context within the screen where the box is set to display.
1482   *                                        Contexts vary from screen to screen. Post edit screen contexts
1483   *                                        include 'normal', 'side', and 'advanced'. Comments screen contexts
1484   *                                        include 'normal' and 'side'. Menus meta boxes (accordion sections)
1485   *                                        all use the 'side' context.
1486   */
1487  function remove_meta_box( $id, $screen, $context ) {
1488      global $wp_meta_boxes;
1489  
1490      if ( empty( $screen ) ) {
1491          $screen = get_current_screen();
1492      } elseif ( is_string( $screen ) ) {
1493          $screen = convert_to_screen( $screen );
1494      } elseif ( is_array( $screen ) ) {
1495          foreach ( $screen as $single_screen ) {
1496              remove_meta_box( $id, $single_screen, $context );
1497          }
1498      }
1499  
1500      if ( ! isset( $screen->id ) ) {
1501          return;
1502      }
1503  
1504      $page = $screen->id;
1505  
1506      if ( ! isset( $wp_meta_boxes ) ) {
1507          $wp_meta_boxes = array();
1508      }
1509      if ( ! isset( $wp_meta_boxes[ $page ] ) ) {
1510          $wp_meta_boxes[ $page ] = array();
1511      }
1512      if ( ! isset( $wp_meta_boxes[ $page ][ $context ] ) ) {
1513          $wp_meta_boxes[ $page ][ $context ] = array();
1514      }
1515  
1516      foreach ( array( 'high', 'core', 'default', 'low' ) as $priority ) {
1517          $wp_meta_boxes[ $page ][ $context ][ $priority ][ $id ] = false;
1518      }
1519  }
1520  
1521  /**
1522   * Meta Box Accordion Template Function.
1523   *
1524   * Largely made up of abstracted code from do_meta_boxes(), this
1525   * function serves to build meta boxes as list items for display as
1526   * a collapsible accordion.
1527   *
1528   * @since 3.6.0
1529   *
1530   * @uses global $wp_meta_boxes Used to retrieve registered meta boxes.
1531   *
1532   * @param string|object $screen      The screen identifier.
1533   * @param string        $context     The screen context for which to display accordion sections.
1534   * @param mixed         $data_object Gets passed to the section callback function as the first parameter.
1535   * @return int Number of meta boxes as accordion sections.
1536   */
1537  function do_accordion_sections( $screen, $context, $data_object ) {
1538      global $wp_meta_boxes;
1539  
1540      wp_enqueue_script( 'accordion' );
1541  
1542      if ( empty( $screen ) ) {
1543          $screen = get_current_screen();
1544      } elseif ( is_string( $screen ) ) {
1545          $screen = convert_to_screen( $screen );
1546      }
1547  
1548      $page = $screen->id;
1549  
1550      $hidden = get_hidden_meta_boxes( $screen );
1551      ?>
1552      <div id="side-sortables" class="accordion-container">
1553          <ul class="outer-border">
1554      <?php
1555      $i          = 0;
1556      $first_open = false;
1557  
1558      if ( isset( $wp_meta_boxes[ $page ][ $context ] ) ) {
1559          foreach ( array( 'high', 'core', 'default', 'low' ) as $priority ) {
1560              if ( isset( $wp_meta_boxes[ $page ][ $context ][ $priority ] ) ) {
1561                  foreach ( $wp_meta_boxes[ $page ][ $context ][ $priority ] as $box ) {
1562                      if ( false === $box || ! $box['title'] ) {
1563                          continue;
1564                      }
1565  
1566                      ++$i;
1567                      $hidden_class = in_array( $box['id'], $hidden, true ) ? 'hide-if-js' : '';
1568  
1569                      $open_class = '';
1570                      if ( ! $first_open && empty( $hidden_class ) ) {
1571                          $first_open = true;
1572                          $open_class = 'open';
1573                      }
1574                      ?>
1575                      <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'] ); ?>">
1576                          <h3 class="accordion-section-title hndle" tabindex="0">
1577                              <?php echo esc_html( $box['title'] ); ?>
1578                              <span class="screen-reader-text">
1579                                  <?php
1580                                  /* translators: Hidden accessibility text. */
1581                                  _e( 'Press return or enter to open this section' );
1582                                  ?>
1583                              </span>
1584                          </h3>
1585                          <div class="accordion-section-content <?php postbox_classes( $box['id'], $page ); ?>">
1586                              <div class="inside">
1587                                  <?php call_user_func( $box['callback'], $data_object, $box ); ?>
1588                              </div><!-- .inside -->
1589                          </div><!-- .accordion-section-content -->
1590                      </li><!-- .accordion-section -->
1591                      <?php
1592                  }
1593              }
1594          }
1595      }
1596      ?>
1597          </ul><!-- .outer-border -->
1598      </div><!-- .accordion-container -->
1599      <?php
1600      return $i;
1601  }
1602  
1603  /**
1604   * Adds a new section to a settings page.
1605   *
1606   * Part of the Settings API. Use this to define new settings sections for an admin page.
1607   * Show settings sections in your admin page callback function with do_settings_sections().
1608   * Add settings fields to your section with add_settings_field().
1609   *
1610   * The $callback argument should be the name of a function that echoes out any
1611   * content you want to show at the top of the settings section before the actual
1612   * fields. It can output nothing if you want.
1613   *
1614   * @since 2.7.0
1615   * @since 6.1.0 Added an `$args` parameter for the section's HTML wrapper and class name.
1616   *
1617   * @global array $wp_settings_sections Storage array of all settings sections added to admin pages.
1618   *
1619   * @param string   $id       Slug-name to identify the section. Used in the 'id' attribute of tags.
1620   * @param string   $title    Formatted title of the section. Shown as the heading for the section.
1621   * @param callable $callback Function that echos out any content at the top of the section (between heading and fields).
1622   * @param string   $page     The slug-name of the settings page on which to show the section. Built-in pages include
1623   *                           'general', 'reading', 'writing', 'discussion', 'media', etc. Create your own using
1624   *                           add_options_page();
1625   * @param array    $args     {
1626   *     Arguments used to create the settings section.
1627   *
1628   *     @type string $before_section HTML content to prepend to the section's HTML output.
1629   *                                  Receives the section's class name as `%s`. Default empty.
1630   *     @type string $after_section  HTML content to append to the section's HTML output. Default empty.
1631   *     @type string $section_class  The class name to use for the section. Default empty.
1632   * }
1633   */
1634  function add_settings_section( $id, $title, $callback, $page, $args = array() ) {
1635      global $wp_settings_sections;
1636  
1637      $defaults = array(
1638          'id'             => $id,
1639          'title'          => $title,
1640          'callback'       => $callback,
1641          'before_section' => '',
1642          'after_section'  => '',
1643          'section_class'  => '',
1644      );
1645  
1646      $section = wp_parse_args( $args, $defaults );
1647  
1648      if ( 'misc' === $page ) {
1649          _deprecated_argument(
1650              __FUNCTION__,
1651              '3.0.0',
1652              sprintf(
1653                  /* translators: %s: misc */
1654                  __( 'The "%s" options group has been removed. Use another settings group.' ),
1655                  'misc'
1656              )
1657          );
1658          $page = 'general';
1659      }
1660  
1661      if ( 'privacy' === $page ) {
1662          _deprecated_argument(
1663              __FUNCTION__,
1664              '3.5.0',
1665              sprintf(
1666                  /* translators: %s: privacy */
1667                  __( 'The "%s" options group has been removed. Use another settings group.' ),
1668                  'privacy'
1669              )
1670          );
1671          $page = 'reading';
1672      }
1673  
1674      $wp_settings_sections[ $page ][ $id ] = $section;
1675  }
1676  
1677  /**
1678   * Adds a new field to a section of a settings page.
1679   *
1680   * Part of the Settings API. Use this to define a settings field that will show
1681   * as part of a settings section inside a settings page. The fields are shown using
1682   * do_settings_fields() in do_settings_sections().
1683   *
1684   * The $callback argument should be the name of a function that echoes out the
1685   * HTML input tags for this setting field. Use get_option() to retrieve existing
1686   * values to show.
1687   *
1688   * @since 2.7.0
1689   * @since 4.2.0 The `$class` argument was added.
1690   *
1691   * @global array $wp_settings_fields Storage array of settings fields and info about their pages/sections.
1692   *
1693   * @param string   $id       Slug-name to identify the field. Used in the 'id' attribute of tags.
1694   * @param string   $title    Formatted title of the field. Shown as the label for the field
1695   *                           during output.
1696   * @param callable $callback Function that fills the field with the desired form inputs. The
1697   *                           function should echo its output.
1698   * @param string   $page     The slug-name of the settings page on which to show the section
1699   *                           (general, reading, writing, ...).
1700   * @param string   $section  Optional. The slug-name of the section of the settings page
1701   *                           in which to show the box. Default 'default'.
1702   * @param array    $args {
1703   *     Optional. Extra arguments that get passed to the callback function.
1704   *
1705   *     @type string $label_for When supplied, the setting title will be wrapped
1706   *                             in a `<label>` element, its `for` attribute populated
1707   *                             with this value.
1708   *     @type string $class     CSS Class to be added to the `<tr>` element when the
1709   *                             field is output.
1710   * }
1711   */
1712  function add_settings_field( $id, $title, $callback, $page, $section = 'default', $args = array() ) {
1713      global $wp_settings_fields;
1714  
1715      if ( 'misc' === $page ) {
1716          _deprecated_argument(
1717              __FUNCTION__,
1718              '3.0.0',
1719              sprintf(
1720                  /* translators: %s: misc */
1721                  __( 'The "%s" options group has been removed. Use another settings group.' ),
1722                  'misc'
1723              )
1724          );
1725          $page = 'general';
1726      }
1727  
1728      if ( 'privacy' === $page ) {
1729          _deprecated_argument(
1730              __FUNCTION__,
1731              '3.5.0',
1732              sprintf(
1733                  /* translators: %s: privacy */
1734                  __( 'The "%s" options group has been removed. Use another settings group.' ),
1735                  'privacy'
1736              )
1737          );
1738          $page = 'reading';
1739      }
1740  
1741      $wp_settings_fields[ $page ][ $section ][ $id ] = array(
1742          'id'       => $id,
1743          'title'    => $title,
1744          'callback' => $callback,
1745          'args'     => $args,
1746      );
1747  }
1748  
1749  /**
1750   * Prints out all settings sections added to a particular settings page.
1751   *
1752   * Part of the Settings API. Use this in a settings page callback function
1753   * to output all the sections and fields that were added to that $page with
1754   * add_settings_section() and add_settings_field()
1755   *
1756   * @global array $wp_settings_sections Storage array of all settings sections added to admin pages.
1757   * @global array $wp_settings_fields Storage array of settings fields and info about their pages/sections.
1758   * @since 2.7.0
1759   *
1760   * @param string $page The slug name of the page whose settings sections you want to output.
1761   */
1762  function do_settings_sections( $page ) {
1763      global $wp_settings_sections, $wp_settings_fields;
1764  
1765      if ( ! isset( $wp_settings_sections[ $page ] ) ) {
1766          return;
1767      }
1768  
1769      foreach ( (array) $wp_settings_sections[ $page ] as $section ) {
1770          if ( '' !== $section['before_section'] ) {
1771              if ( '' !== $section['section_class'] ) {
1772                  echo wp_kses_post( sprintf( $section['before_section'], esc_attr( $section['section_class'] ) ) );
1773              } else {
1774                  echo wp_kses_post( $section['before_section'] );
1775              }
1776          }
1777  
1778          if ( $section['title'] ) {
1779              echo "<h2>{$section['title']}</h2>\n";
1780          }
1781  
1782          if ( $section['callback'] ) {
1783              call_user_func( $section['callback'], $section );
1784          }
1785  
1786          if ( ! isset( $wp_settings_fields ) || ! isset( $wp_settings_fields[ $page ] ) || ! isset( $wp_settings_fields[ $page ][ $section['id'] ] ) ) {
1787              continue;
1788          }
1789          echo '<table class="form-table" role="presentation">';
1790          do_settings_fields( $page, $section['id'] );
1791          echo '</table>';
1792  
1793          if ( '' !== $section['after_section'] ) {
1794              echo wp_kses_post( $section['after_section'] );
1795          }
1796      }
1797  }
1798  
1799  /**
1800   * Prints out the settings fields for a particular settings section.
1801   *
1802   * Part of the Settings API. Use this in a settings page to output
1803   * a specific section. Should normally be called by do_settings_sections()
1804   * rather than directly.
1805   *
1806   * @global array $wp_settings_fields Storage array of settings fields and their pages/sections.
1807   *
1808   * @since 2.7.0
1809   *
1810   * @param string $page Slug title of the admin page whose settings fields you want to show.
1811   * @param string $section Slug title of the settings section whose fields you want to show.
1812   */
1813  function do_settings_fields( $page, $section ) {
1814      global $wp_settings_fields;
1815  
1816      if ( ! isset( $wp_settings_fields[ $page ][ $section ] ) ) {
1817          return;
1818      }
1819  
1820      foreach ( (array) $wp_settings_fields[ $page ][ $section ] as $field ) {
1821          $class = '';
1822  
1823          if ( ! empty( $field['args']['class'] ) ) {
1824              $class = ' class="' . esc_attr( $field['args']['class'] ) . '"';
1825          }
1826  
1827          echo "<tr{$class}>";
1828  
1829          if ( ! empty( $field['args']['label_for'] ) ) {
1830              echo '<th scope="row"><label for="' . esc_attr( $field['args']['label_for'] ) . '">' . $field['title'] . '</label></th>';
1831          } else {
1832              echo '<th scope="row">' . $field['title'] . '</th>';
1833          }
1834  
1835          echo '<td>';
1836          call_user_func( $field['callback'], $field['args'] );
1837          echo '</td>';
1838          echo '</tr>';
1839      }
1840  }
1841  
1842  /**
1843   * Registers a settings error to be displayed to the user.
1844   *
1845   * Part of the Settings API. Use this to show messages to users about settings validation
1846   * problems, missing settings or anything else.
1847   *
1848   * Settings errors should be added inside the $sanitize_callback function defined in
1849   * register_setting() for a given setting to give feedback about the submission.
1850   *
1851   * By default messages will show immediately after the submission that generated the error.
1852   * Additional calls to settings_errors() can be used to show errors even when the settings
1853   * page is first accessed.
1854   *
1855   * @since 3.0.0
1856   * @since 5.3.0 Added `warning` and `info` as possible values for `$type`.
1857   *
1858   * @global array[] $wp_settings_errors Storage array of errors registered during this pageload
1859   *
1860   * @param string $setting Slug title of the setting to which this error applies.
1861   * @param string $code    Slug-name to identify the error. Used as part of 'id' attribute in HTML output.
1862   * @param string $message The formatted message text to display to the user (will be shown inside styled
1863   *                        `<div>` and `<p>` tags).
1864   * @param string $type    Optional. Message type, controls HTML class. Possible values include 'error',
1865   *                        'success', 'warning', 'info'. Default 'error'.
1866   */
1867  function add_settings_error( $setting, $code, $message, $type = 'error' ) {
1868      global $wp_settings_errors;
1869  
1870      $wp_settings_errors[] = array(
1871          'setting' => $setting,
1872          'code'    => $code,
1873          'message' => $message,
1874          'type'    => $type,
1875      );
1876  }
1877  
1878  /**
1879   * Fetches settings errors registered by add_settings_error().
1880   *
1881   * Checks the $wp_settings_errors array for any errors declared during the current
1882   * pageload and returns them.
1883   *
1884   * If changes were just submitted ($_GET['settings-updated']) and settings errors were saved
1885   * to the 'settings_errors' transient then those errors will be returned instead. This
1886   * is used to pass errors back across pageloads.
1887   *
1888   * Use the $sanitize argument to manually re-sanitize the option before returning errors.
1889   * This is useful if you have errors or notices you want to show even when the user
1890   * hasn't submitted data (i.e. when they first load an options page, or in the {@see 'admin_notices'}
1891   * action hook).
1892   *
1893   * @since 3.0.0
1894   *
1895   * @global array[] $wp_settings_errors Storage array of errors registered during this pageload
1896   *
1897   * @param string $setting  Optional. Slug title of a specific setting whose errors you want.
1898   * @param bool   $sanitize Optional. Whether to re-sanitize the setting value before returning errors.
1899   * @return array[] {
1900   *     Array of settings error arrays.
1901   *
1902   *     @type array ...$0 {
1903   *         Associative array of setting error data.
1904   *
1905   *         @type string $setting Slug title of the setting to which this error applies.
1906   *         @type string $code    Slug-name to identify the error. Used as part of 'id' attribute in HTML output.
1907   *         @type string $message The formatted message text to display to the user (will be shown inside styled
1908   *                               `<div>` and `<p>` tags).
1909   *         @type string $type    Optional. Message type, controls HTML class. Possible values include 'error',
1910   *                               'success', 'warning', 'info'. Default 'error'.
1911   *     }
1912   * }
1913   */
1914  function get_settings_errors( $setting = '', $sanitize = false ) {
1915      global $wp_settings_errors;
1916  
1917      /*
1918       * If $sanitize is true, manually re-run the sanitization for this option
1919       * This allows the $sanitize_callback from register_setting() to run, adding
1920       * any settings errors you want to show by default.
1921       */
1922      if ( $sanitize ) {
1923          sanitize_option( $setting, get_option( $setting ) );
1924      }
1925  
1926      // If settings were passed back from options.php then use them.
1927      if ( isset( $_GET['settings-updated'] ) && $_GET['settings-updated'] && get_transient( 'settings_errors' ) ) {
1928          $wp_settings_errors = array_merge( (array) $wp_settings_errors, get_transient( 'settings_errors' ) );
1929          delete_transient( 'settings_errors' );
1930      }
1931  
1932      // Check global in case errors have been added on this pageload.
1933      if ( empty( $wp_settings_errors ) ) {
1934          return array();
1935      }
1936  
1937      // Filter the results to those of a specific setting if one was set.
1938      if ( $setting ) {
1939          $setting_errors = array();
1940  
1941          foreach ( (array) $wp_settings_errors as $key => $details ) {
1942              if ( $setting === $details['setting'] ) {
1943                  $setting_errors[] = $wp_settings_errors[ $key ];
1944              }
1945          }
1946  
1947          return $setting_errors;
1948      }
1949  
1950      return $wp_settings_errors;
1951  }
1952  
1953  /**
1954   * Displays settings errors registered by add_settings_error().
1955   *
1956   * Part of the Settings API. Outputs a div for each error retrieved by
1957   * get_settings_errors().
1958   *
1959   * This is called automatically after a settings page based on the
1960   * Settings API is submitted. Errors should be added during the validation
1961   * callback function for a setting defined in register_setting().
1962   *
1963   * The $sanitize option is passed into get_settings_errors() and will
1964   * re-run the setting sanitization
1965   * on its current value.
1966   *
1967   * The $hide_on_update option will cause errors to only show when the settings
1968   * page is first loaded. if the user has already saved new values it will be
1969   * hidden to avoid repeating messages already shown in the default error
1970   * reporting after submission. This is useful to show general errors like
1971   * missing settings when the user arrives at the settings page.
1972   *
1973   * @since 3.0.0
1974   * @since 5.3.0 Legacy `error` and `updated` CSS classes are mapped to
1975   *              `notice-error` and `notice-success`.
1976   *
1977   * @param string $setting        Optional slug title of a specific setting whose errors you want.
1978   * @param bool   $sanitize       Whether to re-sanitize the setting value before returning errors.
1979   * @param bool   $hide_on_update If set to true errors will not be shown if the settings page has
1980   *                               already been submitted.
1981   */
1982  function settings_errors( $setting = '', $sanitize = false, $hide_on_update = false ) {
1983  
1984      if ( $hide_on_update && ! empty( $_GET['settings-updated'] ) ) {
1985          return;
1986      }
1987  
1988      $settings_errors = get_settings_errors( $setting, $sanitize );
1989  
1990      if ( empty( $settings_errors ) ) {
1991          return;
1992      }
1993  
1994      $output = '';
1995  
1996      foreach ( $settings_errors as $key => $details ) {
1997          if ( 'updated' === $details['type'] ) {
1998              $details['type'] = 'success';
1999          }
2000  
2001          if ( in_array( $details['type'], array( 'error', 'success', 'warning', 'info' ), true ) ) {
2002              $details['type'] = 'notice-' . $details['type'];
2003          }
2004  
2005          $css_id    = sprintf(
2006              'setting-error-%s',
2007              esc_attr( $details['code'] )
2008          );
2009          $css_class = sprintf(
2010              'notice %s settings-error is-dismissible',
2011              esc_attr( $details['type'] )
2012          );
2013  
2014          $output .= "<div id='$css_id' class='$css_class'> \n";
2015          $output .= "<p><strong>{$details['message']}</strong></p>";
2016          $output .= "</div> \n";
2017      }
2018  
2019      echo $output;
2020  }
2021  
2022  /**
2023   * Outputs the modal window used for attaching media to posts or pages in the media-listing screen.
2024   *
2025   * @since 2.7.0
2026   *
2027   * @param string $found_action Optional. The value of the 'found_action' input field. Default empty string.
2028   */
2029  function find_posts_div( $found_action = '' ) {
2030      ?>
2031      <div id="find-posts" class="find-box" style="display: none;">
2032          <div id="find-posts-head" class="find-box-head">
2033              <?php _e( 'Attach to existing content' ); ?>
2034              <button type="button" id="find-posts-close"><span class="screen-reader-text">
2035                  <?php
2036                  /* translators: Hidden accessibility text. */
2037                  _e( 'Close media attachment panel' );
2038                  ?>
2039              </span></button>
2040          </div>
2041          <div class="find-box-inside">
2042              <div class="find-box-search">
2043                  <?php if ( $found_action ) { ?>
2044                      <input type="hidden" name="found_action" value="<?php echo esc_attr( $found_action ); ?>" />
2045                  <?php } ?>
2046                  <input type="hidden" name="affected" id="affected" value="" />
2047                  <?php wp_nonce_field( 'find-posts', '_ajax_nonce', false ); ?>
2048                  <label class="screen-reader-text" for="find-posts-input">
2049                      <?php
2050                      /* translators: Hidden accessibility text. */
2051                      _e( 'Search' );
2052                      ?>
2053                  </label>
2054                  <input type="text" id="find-posts-input" name="ps" value="" />
2055                  <span class="spinner"></span>
2056                  <input type="button" id="find-posts-search" value="<?php esc_attr_e( 'Search' ); ?>" class="button" />
2057                  <div class="clear"></div>
2058              </div>
2059              <div id="find-posts-response"></div>
2060          </div>
2061          <div class="find-box-buttons">
2062              <?php submit_button( __( 'Select' ), 'primary alignright', 'find-posts-submit', false ); ?>
2063              <div class="clear"></div>
2064          </div>
2065      </div>
2066      <?php
2067  }
2068  
2069  /**
2070   * Displays the post password.
2071   *
2072   * The password is passed through esc_attr() to ensure that it is safe for placing in an HTML attribute.
2073   *
2074   * @since 2.7.0
2075   */
2076  function the_post_password() {
2077      $post = get_post();
2078      if ( isset( $post->post_password ) ) {
2079          echo esc_attr( $post->post_password );
2080      }
2081  }
2082  
2083  /**
2084   * Gets the post title.
2085   *
2086   * The post title is fetched and if it is blank then a default string is
2087   * returned.
2088   *
2089   * @since 2.7.0
2090   *
2091   * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
2092   * @return string The post title if set.
2093   */
2094  function _draft_or_post_title( $post = 0 ) {
2095      $title = get_the_title( $post );
2096      if ( empty( $title ) ) {
2097          $title = __( '(no title)' );
2098      }
2099      return esc_html( $title );
2100  }
2101  
2102  /**
2103   * Displays the search query.
2104   *
2105   * A simple wrapper to display the "s" parameter in a `GET` URI. This function
2106   * should only be used when the_search_query() cannot.
2107   *
2108   * @since 2.7.0
2109   */
2110  function _admin_search_query() {
2111      echo isset( $_REQUEST['s'] ) ? esc_attr( wp_unslash( $_REQUEST['s'] ) ) : '';
2112  }
2113  
2114  /**
2115   * Generic Iframe header for use with Thickbox.
2116   *
2117   * @since 2.7.0
2118   *
2119   * @global string    $hook_suffix
2120   * @global string    $admin_body_class
2121   * @global string    $body_id
2122   * @global WP_Locale $wp_locale        WordPress date and time locale object.
2123   *
2124   * @param string $title      Optional. Title of the Iframe page. Default empty.
2125   * @param bool   $deprecated Not used.
2126   */
2127  function iframe_header( $title = '', $deprecated = false ) {
2128      global $hook_suffix, $admin_body_class, $body_id, $wp_locale;
2129  
2130      show_admin_bar( false );
2131  
2132      $admin_body_class = preg_replace( '/[^a-z0-9_-]+/i', '-', $hook_suffix );
2133  
2134      $current_screen = get_current_screen();
2135  
2136      header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) );
2137      _wp_admin_html_begin();
2138      ?>
2139  <title><?php bloginfo( 'name' ); ?> &rsaquo; <?php echo $title; ?> &#8212; <?php _e( 'WordPress' ); ?></title>
2140      <?php
2141      wp_enqueue_style( 'colors' );
2142      ?>
2143  <script type="text/javascript">
2144  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();}}};
2145  function tb_close(){var win=window.dialogArguments||opener||parent||top;win.tb_remove();}
2146  var ajaxurl = '<?php echo esc_js( admin_url( 'admin-ajax.php', 'relative' ) ); ?>',
2147      pagenow = '<?php echo esc_js( $current_screen->id ); ?>',
2148      typenow = '<?php echo esc_js( $current_screen->post_type ); ?>',
2149      adminpage = '<?php echo esc_js( $admin_body_class ); ?>',
2150      thousandsSeparator = '<?php echo esc_js( $wp_locale->number_format['thousands_sep'] ); ?>',
2151      decimalPoint = '<?php echo esc_js( $wp_locale->number_format['decimal_point'] ); ?>',
2152      isRtl = <?php echo (int) is_rtl(); ?>;
2153  </script>
2154      <?php
2155      /** This action is documented in wp-admin/admin-header.php */
2156      do_action( 'admin_enqueue_scripts', $hook_suffix );
2157  
2158      /** This action is documented in wp-admin/admin-header.php */
2159      do_action( "admin_print_styles-{$hook_suffix}" );  // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
2160  
2161      /** This action is documented in wp-admin/admin-header.php */
2162      do_action( 'admin_print_styles' );
2163  
2164      /** This action is documented in wp-admin/admin-header.php */
2165      do_action( "admin_print_scripts-{$hook_suffix}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
2166  
2167      /** This action is documented in wp-admin/admin-header.php */
2168      do_action( 'admin_print_scripts' );
2169  
2170      /** This action is documented in wp-admin/admin-header.php */
2171      do_action( "admin_head-{$hook_suffix}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
2172  
2173      /** This action is documented in wp-admin/admin-header.php */
2174      do_action( 'admin_head' );
2175  
2176      $admin_body_class .= ' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_user_locale() ) ) );
2177  
2178      if ( is_rtl() ) {
2179          $admin_body_class .= ' rtl';
2180      }
2181  
2182      ?>
2183  </head>
2184      <?php
2185      $admin_body_id = isset( $body_id ) ? 'id="' . $body_id . '" ' : '';
2186  
2187      /** This filter is documented in wp-admin/admin-header.php */
2188      $admin_body_classes = apply_filters( 'admin_body_class', '' );
2189      $admin_body_classes = ltrim( $admin_body_classes . ' ' . $admin_body_class );
2190      ?>
2191  <body <?php echo $admin_body_id; ?>class="wp-admin wp-core-ui no-js iframe <?php echo esc_attr( $admin_body_classes ); ?>">
2192  <script type="text/javascript">
2193  (function(){
2194  var c = document.body.className;
2195  c = c.replace(/no-js/, 'js');
2196  document.body.className = c;
2197  })();
2198  </script>
2199      <?php
2200  }
2201  
2202  /**
2203   * Generic Iframe footer for use with Thickbox.
2204   *
2205   * @since 2.7.0
2206   */
2207  function iframe_footer() {
2208      /*
2209       * We're going to hide any footer output on iFrame pages,
2210       * but run the hooks anyway since they output JavaScript
2211       * or other needed content.
2212       */
2213  
2214      /**
2215       * @global string $hook_suffix
2216       */
2217      global $hook_suffix;
2218      ?>
2219      <div class="hidden">
2220      <?php
2221      /** This action is documented in wp-admin/admin-footer.php */
2222      do_action( 'admin_footer', $hook_suffix );
2223  
2224      /** This action is documented in wp-admin/admin-footer.php */
2225      do_action( "admin_print_footer_scripts-{$hook_suffix}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
2226  
2227      /** This action is documented in wp-admin/admin-footer.php */
2228      do_action( 'admin_print_footer_scripts' );
2229      ?>
2230      </div>
2231  <script type="text/javascript">if(typeof wpOnload==='function')wpOnload();</script>
2232  </body>
2233  </html>
2234      <?php
2235  }
2236  
2237  /**
2238   * Echoes or returns the post states as HTML.
2239   *
2240   * @since 2.7.0
2241   * @since 5.3.0 Added the `$display` parameter and a return value.
2242   *
2243   * @see get_post_states()
2244   *
2245   * @param WP_Post $post    The post to retrieve states for.
2246   * @param bool    $display Optional. Whether to display the post states as an HTML string.
2247   *                         Default true.
2248   * @return string Post states string.
2249   */
2250  function _post_states( $post, $display = true ) {
2251      $post_states        = get_post_states( $post );
2252      $post_states_string = '';
2253  
2254      if ( ! empty( $post_states ) ) {
2255          $state_count = count( $post_states );
2256  
2257          $i = 0;
2258  
2259          $post_states_string .= ' &mdash; ';
2260  
2261          foreach ( $post_states as $state ) {
2262              ++$i;
2263  
2264              $separator = ( $i < $state_count ) ? ', ' : '';
2265  
2266              $post_states_string .= "<span class='post-state'>{$state}{$separator}</span>";
2267          }
2268      }
2269  
2270      if ( $display ) {
2271          echo $post_states_string;
2272      }
2273  
2274      return $post_states_string;
2275  }
2276  
2277  /**
2278   * Retrieves an array of post states from a post.
2279   *
2280   * @since 5.3.0
2281   *
2282   * @param WP_Post $post The post to retrieve states for.
2283   * @return string[] Array of post state labels keyed by their state.
2284   */
2285  function get_post_states( $post ) {
2286      $post_states = array();
2287  
2288      if ( isset( $_REQUEST['post_status'] ) ) {
2289          $post_status = $_REQUEST['post_status'];
2290      } else {
2291          $post_status = '';
2292      }
2293  
2294      if ( ! empty( $post->post_password ) ) {
2295          $post_states['protected'] = _x( 'Password protected', 'post status' );
2296      }
2297  
2298      if ( 'private' === $post->post_status && 'private' !== $post_status ) {
2299          $post_states['private'] = _x( 'Private', 'post status' );
2300      }
2301  
2302      if ( 'draft' === $post->post_status ) {
2303          if ( get_post_meta( $post->ID, '_customize_changeset_uuid', true ) ) {
2304              $post_states[] = __( 'Customization Draft' );
2305          } elseif ( 'draft' !== $post_status ) {
2306              $post_states['draft'] = _x( 'Draft', 'post status' );
2307          }
2308      } elseif ( 'trash' === $post->post_status && get_post_meta( $post->ID, '_customize_changeset_uuid', true ) ) {
2309          $post_states[] = _x( 'Customization Draft', 'post status' );
2310      }
2311  
2312      if ( 'pending' === $post->post_status && 'pending' !== $post_status ) {
2313          $post_states['pending'] = _x( 'Pending', 'post status' );
2314      }
2315  
2316      if ( is_sticky( $post->ID ) ) {
2317          $post_states['sticky'] = _x( 'Sticky', 'post status' );
2318      }
2319  
2320      if ( 'future' === $post->post_status ) {
2321          $post_states['scheduled'] = _x( 'Scheduled', 'post status' );
2322      }
2323  
2324      if ( 'page' === get_option( 'show_on_front' ) ) {
2325          if ( (int) get_option( 'page_on_front' ) === $post->ID ) {
2326              $post_states['page_on_front'] = _x( 'Front Page', 'page label' );
2327          }
2328  
2329          if ( (int) get_option( 'page_for_posts' ) === $post->ID ) {
2330              $post_states['page_for_posts'] = _x( 'Posts Page', 'page label' );
2331          }
2332      }
2333  
2334      if ( (int) get_option( 'wp_page_for_privacy_policy' ) === $post->ID ) {
2335          $post_states['page_for_privacy_policy'] = _x( 'Privacy Policy Page', 'page label' );
2336      }
2337  
2338      /**
2339       * Filters the default post display states used in the posts list table.
2340       *
2341       * @since 2.8.0
2342       * @since 3.6.0 Added the `$post` parameter.
2343       * @since 5.5.0 Also applied in the Customizer context. If any admin functions
2344       *              are used within the filter, their existence should be checked
2345       *              with `function_exists()` before being used.
2346       *
2347       * @param string[] $post_states An array of post display states.
2348       * @param WP_Post  $post        The current post object.
2349       */
2350      return apply_filters( 'display_post_states', $post_states, $post );
2351  }
2352  
2353  /**
2354   * Outputs the attachment media states as HTML.
2355   *
2356   * @since 3.2.0
2357   * @since 5.6.0 Added the `$display` parameter and a return value.
2358   *
2359   * @param WP_Post $post    The attachment post to retrieve states for.
2360   * @param bool    $display Optional. Whether to display the post states as an HTML string.
2361   *                         Default true.
2362   * @return string Media states string.
2363   */
2364  function _media_states( $post, $display = true ) {
2365      $media_states        = get_media_states( $post );
2366      $media_states_string = '';
2367  
2368      if ( ! empty( $media_states ) ) {
2369          $state_count = count( $media_states );
2370  
2371          $i = 0;
2372  
2373          $media_states_string .= ' &mdash; ';
2374  
2375          foreach ( $media_states as $state ) {
2376              ++$i;
2377  
2378              $separator = ( $i < $state_count ) ? ', ' : '';
2379  
2380              $media_states_string .= "<span class='post-state'>{$state}{$separator}</span>";
2381          }
2382      }
2383  
2384      if ( $display ) {
2385          echo $media_states_string;
2386      }
2387  
2388      return $media_states_string;
2389  }
2390  
2391  /**
2392   * Retrieves an array of media states from an attachment.
2393   *
2394   * @since 5.6.0
2395   *
2396   * @param WP_Post $post The attachment to retrieve states for.
2397   * @return string[] Array of media state labels keyed by their state.
2398   */
2399  function get_media_states( $post ) {
2400      static $header_images;
2401  
2402      $media_states = array();
2403      $stylesheet   = get_option( 'stylesheet' );
2404  
2405      if ( current_theme_supports( 'custom-header' ) ) {
2406          $meta_header = get_post_meta( $post->ID, '_wp_attachment_is_custom_header', true );
2407  
2408          if ( is_random_header_image() ) {
2409              if ( ! isset( $header_images ) ) {
2410                  $header_images = wp_list_pluck( get_uploaded_header_images(), 'attachment_id' );
2411              }
2412  
2413              if ( $meta_header === $stylesheet && in_array( $post->ID, $header_images, true ) ) {
2414                  $media_states[] = __( 'Header Image' );
2415              }
2416          } else {
2417              $header_image = get_header_image();
2418  
2419              // Display "Header Image" if the image was ever used as a header image.
2420              if ( ! empty( $meta_header ) && $meta_header === $stylesheet && wp_get_attachment_url( $post->ID ) !== $header_image ) {
2421                  $media_states[] = __( 'Header Image' );
2422              }
2423  
2424              // Display "Current Header Image" if the image is currently the header image.
2425              if ( $header_image && wp_get_attachment_url( $post->ID ) === $header_image ) {
2426                  $media_states[] = __( 'Current Header Image' );
2427              }
2428          }
2429  
2430          if ( get_theme_support( 'custom-header', 'video' ) && has_header_video() ) {
2431              $mods = get_theme_mods();
2432              if ( isset( $mods['header_video'] ) && $post->ID === $mods['header_video'] ) {
2433                  $media_states[] = __( 'Current Header Video' );
2434              }
2435          }
2436      }
2437  
2438      if ( current_theme_supports( 'custom-background' ) ) {
2439          $meta_background = get_post_meta( $post->ID, '_wp_attachment_is_custom_background', true );
2440  
2441          if ( ! empty( $meta_background ) && $meta_background === $stylesheet ) {
2442              $media_states[] = __( 'Background Image' );
2443  
2444              $background_image = get_background_image();
2445              if ( $background_image && wp_get_attachment_url( $post->ID ) === $background_image ) {
2446                  $media_states[] = __( 'Current Background Image' );
2447              }
2448          }
2449      }
2450  
2451      if ( (int) get_option( 'site_icon' ) === $post->ID ) {
2452          $media_states[] = __( 'Site Icon' );
2453      }
2454  
2455      if ( (int) get_theme_mod( 'custom_logo' ) === $post->ID ) {
2456          $media_states[] = __( 'Logo' );
2457      }
2458  
2459      /**
2460       * Filters the default media display states for items in the Media list table.
2461       *
2462       * @since 3.2.0
2463       * @since 4.8.0 Added the `$post` parameter.
2464       *
2465       * @param string[] $media_states An array of media states. Default 'Header Image',
2466       *                               'Background Image', 'Site Icon', 'Logo'.
2467       * @param WP_Post  $post         The current attachment object.
2468       */
2469      return apply_filters( 'display_media_states', $media_states, $post );
2470  }
2471  
2472  /**
2473   * Tests support for compressing JavaScript from PHP.
2474   *
2475   * Outputs JavaScript that tests if compression from PHP works as expected
2476   * and sets an option with the result. Has no effect when the current user
2477   * is not an administrator. To run the test again the option 'can_compress_scripts'
2478   * has to be deleted.
2479   *
2480   * @since 2.8.0
2481   */
2482  function compression_test() {
2483      ?>
2484      <script type="text/javascript">
2485      var compressionNonce = <?php echo wp_json_encode( wp_create_nonce( 'update_can_compress_scripts' ) ); ?>;
2486      var testCompression = {
2487          get : function(test) {
2488              var x;
2489              if ( window.XMLHttpRequest ) {
2490                  x = new XMLHttpRequest();
2491              } else {
2492                  try{x=new ActiveXObject('Msxml2.XMLHTTP');}catch(e){try{x=new ActiveXObject('Microsoft.XMLHTTP');}catch(e){};}
2493              }
2494  
2495              if (x) {
2496                  x.onreadystatechange = function() {
2497                      var r, h;
2498                      if ( x.readyState == 4 ) {
2499                          r = x.responseText.substr(0, 18);
2500                          h = x.getResponseHeader('Content-Encoding');
2501                          testCompression.check(r, h, test);
2502                      }
2503                  };
2504  
2505                  x.open('GET', ajaxurl + '?action=wp-compression-test&test='+test+'&_ajax_nonce='+compressionNonce+'&'+(new Date()).getTime(), true);
2506                  x.send('');
2507              }
2508          },
2509  
2510          check : function(r, h, test) {
2511              if ( ! r && ! test )
2512                  this.get(1);
2513  
2514              if ( 1 == test ) {
2515                  if ( h && ( h.match(/deflate/i) || h.match(/gzip/i) ) )
2516                      this.get('no');
2517                  else
2518                      this.get(2);
2519  
2520                  return;
2521              }
2522  
2523              if ( 2 == test ) {
2524                  if ( '"wpCompressionTest' === r )
2525                      this.get('yes');
2526                  else
2527                      this.get('no');
2528              }
2529          }
2530      };
2531      testCompression.check();
2532      </script>
2533      <?php
2534  }
2535  
2536  /**
2537   * Echoes a submit button, with provided text and appropriate class(es).
2538   *
2539   * @since 3.1.0
2540   *
2541   * @see get_submit_button()
2542   *
2543   * @param string       $text             Optional. The text of the button. Defaults to 'Save Changes'.
2544   * @param string       $type             Optional. The type and CSS class(es) of the button. Core values
2545   *                                       include 'primary', 'small', and 'large'. Default 'primary'.
2546   * @param string       $name             Optional. The HTML name of the submit button. If no `id` attribute
2547   *                                       is given in the `$other_attributes` parameter, `$name` will be used
2548   *                                       as the button's `id`. Default 'submit'.
2549   * @param bool         $wrap             Optional. True if the output button should be wrapped in a paragraph tag,
2550   *                                       false otherwise. Default true.
2551   * @param array|string $other_attributes Optional. Other attributes that should be output with the button,
2552   *                                       mapping attributes to their values, e.g. `array( 'id' => 'search-submit' )`.
2553   *                                       These key/value attribute pairs will be output as `attribute="value"`,
2554   *                                       where attribute is the key. Attributes can also be provided as a string,
2555   *                                       e.g. `id="search-submit"`, though the array format is generally preferred.
2556   *                                       Default empty string.
2557   */
2558  function submit_button( $text = '', $type = 'primary', $name = 'submit', $wrap = true, $other_attributes = '' ) {
2559      echo get_submit_button( $text, $type, $name, $wrap, $other_attributes );
2560  }
2561  
2562  /**
2563   * Returns a submit button, with provided text and appropriate class.
2564   *
2565   * @since 3.1.0
2566   *
2567   * @param string       $text             Optional. The text of the button. Defaults to 'Save Changes'.
2568   * @param string       $type             Optional. The type and CSS class(es) of the button. Core values
2569   *                                       include 'primary', 'small', and 'large'. Default 'primary large'.
2570   * @param string       $name             Optional. The HTML name of the submit button. If no `id` attribute
2571   *                                       is given in the `$other_attributes` parameter, `$name` will be used
2572   *                                       as the button's `id`. Default 'submit'.
2573   * @param bool         $wrap             Optional. True if the output button should be wrapped in a paragraph tag,
2574   *                                       false otherwise. Default true.
2575   * @param array|string $other_attributes Optional. Other attributes that should be output with the button,
2576   *                                       mapping attributes to their values, e.g. `array( 'id' => 'search-submit' )`.
2577   *                                       These key/value attribute pairs will be output as `attribute="value"`,
2578   *                                       where attribute is the key. Attributes can also be provided as a string,
2579   *                                       e.g. `id="search-submit"`, though the array format is generally preferred.
2580   *                                       Default empty string.
2581   * @return string Submit button HTML.
2582   */
2583  function get_submit_button( $text = '', $type = 'primary large', $name = 'submit', $wrap = true, $other_attributes = '' ) {
2584      if ( ! is_array( $type ) ) {
2585          $type = explode( ' ', $type );
2586      }
2587  
2588      $button_shorthand = array( 'primary', 'small', 'large' );
2589      $classes          = array( 'button' );
2590  
2591      foreach ( $type as $t ) {
2592          if ( 'secondary' === $t || 'button-secondary' === $t ) {
2593              continue;
2594          }
2595  
2596          $classes[] = in_array( $t, $button_shorthand, true ) ? 'button-' . $t : $t;
2597      }
2598  
2599      // Remove empty items, remove duplicate items, and finally build a string.
2600      $class = implode( ' ', array_unique( array_filter( $classes ) ) );
2601  
2602      $text = $text ? $text : __( 'Save Changes' );
2603  
2604      // Default the id attribute to $name unless an id was specifically provided in $other_attributes.
2605      $id = $name;
2606      if ( is_array( $other_attributes ) && isset( $other_attributes['id'] ) ) {
2607          $id = $other_attributes['id'];
2608          unset( $other_attributes['id'] );
2609      }
2610  
2611      $attributes = '';
2612      if ( is_array( $other_attributes ) ) {
2613          foreach ( $other_attributes as $attribute => $value ) {
2614              $attributes .= $attribute . '="' . esc_attr( $value ) . '" '; // Trailing space is important.
2615          }
2616      } elseif ( ! empty( $other_attributes ) ) { // Attributes provided as a string.
2617          $attributes = $other_attributes;
2618      }
2619  
2620      // Don't output empty name and id attributes.
2621      $name_attr = $name ? ' name="' . esc_attr( $name ) . '"' : '';
2622      $id_attr   = $id ? ' id="' . esc_attr( $id ) . '"' : '';
2623  
2624      $button  = '<input type="submit"' . $name_attr . $id_attr . ' class="' . esc_attr( $class );
2625      $button .= '" value="' . esc_attr( $text ) . '" ' . $attributes . ' />';
2626  
2627      if ( $wrap ) {
2628          $button = '<p class="submit">' . $button . '</p>';
2629      }
2630  
2631      return $button;
2632  }
2633  
2634  /**
2635   * Prints out the beginning of the admin HTML header.
2636   *
2637   * @global bool $is_IE
2638   */
2639  function _wp_admin_html_begin() {
2640      global $is_IE;
2641  
2642      $admin_html_class = ( is_admin_bar_showing() ) ? 'wp-toolbar' : '';
2643  
2644      if ( $is_IE ) {
2645          header( 'X-UA-Compatible: IE=edge' );
2646      }
2647  
2648      ?>
2649  <!DOCTYPE html>
2650  <html class="<?php echo $admin_html_class; ?>"
2651      <?php
2652      /**
2653       * Fires inside the HTML tag in the admin header.
2654       *
2655       * @since 2.2.0
2656       */
2657      do_action( 'admin_xml_ns' );
2658  
2659      language_attributes();
2660      ?>
2661  >
2662  <head>
2663  <meta http-equiv="Content-Type" content="<?php bloginfo( 'html_type' ); ?>; charset=<?php echo get_option( 'blog_charset' ); ?>" />
2664      <?php
2665  }
2666  
2667  /**
2668   * Converts a screen string to a screen object.
2669   *
2670   * @since 3.0.0
2671   *
2672   * @param string $hook_name The hook name (also known as the hook suffix) used to determine the screen.
2673   * @return WP_Screen Screen object.
2674   */
2675  function convert_to_screen( $hook_name ) {
2676      if ( ! class_exists( 'WP_Screen' ) ) {
2677          _doing_it_wrong(
2678              'convert_to_screen(), add_meta_box()',
2679              sprintf(
2680                  /* translators: 1: wp-admin/includes/template.php, 2: add_meta_box(), 3: add_meta_boxes */
2681                  __( 'Likely direct inclusion of %1$s in order to use %2$s. This is very wrong. Hook the %2$s call into the %3$s action instead.' ),
2682                  '<code>wp-admin/includes/template.php</code>',
2683                  '<code>add_meta_box()</code>',
2684                  '<code>add_meta_boxes</code>'
2685              ),
2686              '3.3.0'
2687          );
2688          return (object) array(
2689              'id'   => '_invalid',
2690              'base' => '_are_belong_to_us',
2691          );
2692      }
2693  
2694      return WP_Screen::get( $hook_name );
2695  }
2696  
2697  /**
2698   * Outputs the HTML for restoring the post data from DOM storage
2699   *
2700   * @since 3.6.0
2701   * @access private
2702   */
2703  function _local_storage_notice() {
2704      $local_storage_message  = '<p class="local-restore">';
2705      $local_storage_message .= __( 'The backup of this post in your browser is different from the version below.' );
2706      $local_storage_message .= '<button type="button" class="button restore-backup">' . __( 'Restore the backup' ) . '</button></p>';
2707      $local_storage_message .= '<p class="help">';
2708      $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.' );
2709      $local_storage_message .= '</p>';
2710  
2711      wp_admin_notice(
2712          $local_storage_message,
2713          array(
2714              'id'                 => 'local-storage-notice',
2715              'additional_classes' => array( 'hidden' ),
2716              'dismissible'        => true,
2717              'paragraph_wrap'     => false,
2718          )
2719      );
2720  }
2721  
2722  /**
2723   * Outputs a HTML element with a star rating for a given rating.
2724   *
2725   * Outputs a HTML element with the star rating exposed on a 0..5 scale in
2726   * half star increments (ie. 1, 1.5, 2 stars). Optionally, if specified, the
2727   * number of ratings may also be displayed by passing the $number parameter.
2728   *
2729   * @since 3.8.0
2730   * @since 4.4.0 Introduced the `echo` parameter.
2731   *
2732   * @param array $args {
2733   *     Optional. Array of star ratings arguments.
2734   *
2735   *     @type int|float $rating The rating to display, expressed in either a 0.5 rating increment,
2736   *                             or percentage. Default 0.
2737   *     @type string    $type   Format that the $rating is in. Valid values are 'rating' (default),
2738   *                             or, 'percent'. Default 'rating'.
2739   *     @type int       $number The number of ratings that makes up this rating. Default 0.
2740   *     @type bool      $echo   Whether to echo the generated markup. False to return the markup instead
2741   *                             of echoing it. Default true.
2742   * }
2743   * @return string Star rating HTML.
2744   */
2745  function wp_star_rating( $args = array() ) {
2746      $defaults    = array(
2747          'rating' => 0,
2748          'type'   => 'rating',
2749          'number' => 0,
2750          'echo'   => true,
2751      );
2752      $parsed_args = wp_parse_args( $args, $defaults );
2753  
2754      // Non-English decimal places when the $rating is coming from a string.
2755      $rating = (float) str_replace( ',', '.', $parsed_args['rating'] );
2756  
2757      // Convert percentage to star rating, 0..5 in .5 increments.
2758      if ( 'percent' === $parsed_args['type'] ) {
2759          $rating = round( $rating / 10, 0 ) / 2;
2760      }
2761  
2762      // Calculate the number of each type of star needed.
2763      $full_stars  = floor( $rating );
2764      $half_stars  = ceil( $rating - $full_stars );
2765      $empty_stars = 5 - $full_stars - $half_stars;
2766  
2767      if ( $parsed_args['number'] ) {
2768          /* translators: Hidden accessibility text. 1: The rating, 2: The number of ratings. */
2769          $format = _n( '%1$s rating based on %2$s rating', '%1$s rating based on %2$s ratings', $parsed_args['number'] );
2770          $title  = sprintf( $format, number_format_i18n( $rating, 1 ), number_format_i18n( $parsed_args['number'] ) );
2771      } else {
2772          /* translators: Hidden accessibility text. %s: The rating. */
2773          $title = sprintf( __( '%s rating' ), number_format_i18n( $rating, 1 ) );
2774      }
2775  
2776      $output  = '<div class="star-rating">';
2777      $output .= '<span class="screen-reader-text">' . $title . '</span>';
2778      $output .= str_repeat( '<div class="star star-full" aria-hidden="true"></div>', $full_stars );
2779      $output .= str_repeat( '<div class="star star-half" aria-hidden="true"></div>', $half_stars );
2780      $output .= str_repeat( '<div class="star star-empty" aria-hidden="true"></div>', $empty_stars );
2781      $output .= '</div>';
2782  
2783      if ( $parsed_args['echo'] ) {
2784          echo $output;
2785      }
2786  
2787      return $output;
2788  }
2789  
2790  /**
2791   * Outputs a notice when editing the page for posts (internal use only).
2792   *
2793   * @ignore
2794   * @since 4.2.0
2795   */
2796  function _wp_posts_page_notice() {
2797      wp_admin_notice(
2798          __( 'You are currently editing the page that shows your latest posts.' ),
2799          array(
2800              'type'               => 'warning',
2801              'additional_classes' => array( 'inline' ),
2802          )
2803      );
2804  }
2805  
2806  /**
2807   * Outputs a notice when editing the page for posts in the block editor (internal use only).
2808   *
2809   * @ignore
2810   * @since 5.8.0
2811   */
2812  function _wp_block_editor_posts_page_notice() {
2813      wp_add_inline_script(
2814          'wp-notices',
2815          sprintf(
2816              'wp.data.dispatch( "core/notices" ).createWarningNotice( "%s", { isDismissible: false } )',
2817              __( 'You are currently editing the page that shows your latest posts.' )
2818          ),
2819          'after'
2820      );
2821  }


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