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


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