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/wp-admin/ -> menu-header.php (source)

   1  <?php
   2  /**
   3   * Displays Administration Menu.
   4   *
   5   * @package WordPress
   6   * @subpackage Administration
   7   */
   8  
   9  // Don't load directly.
  10  if ( ! defined( 'ABSPATH' ) ) {
  11      exit;
  12  }
  13  
  14  /**
  15   * The current page.
  16   *
  17   * @global string $self
  18   */
  19  $self = preg_replace( '|^.*/wp-admin/network/|i', '', $_SERVER['PHP_SELF'] );
  20  $self = preg_replace( '|^.*/wp-admin/|i', '', $self );
  21  $self = preg_replace( '|^.*/plugins/|i', '', $self );
  22  $self = preg_replace( '|^.*/mu-plugins/|i', '', $self );
  23  
  24  /**
  25   * For when admin-header is included from within a function.
  26   *
  27   * @global array  $menu
  28   * @global array  $submenu
  29   * @global string $parent_file
  30   * @global string $submenu_file
  31   */
  32  global $menu, $submenu, $parent_file, $submenu_file;
  33  
  34  /**
  35   * Filters the parent file of an admin menu sub-menu item.
  36   *
  37   * Allows plugins to move sub-menu items around.
  38   *
  39   * @since MU (3.0.0)
  40   *
  41   * @param string $parent_file The parent file.
  42   */
  43  $parent_file = apply_filters( 'parent_file', $parent_file );
  44  
  45  /**
  46   * Filters the file of an admin menu sub-menu item.
  47   *
  48   * @since 4.4.0
  49   *
  50   * @param string $submenu_file The submenu file.
  51   * @param string $parent_file  The submenu item's parent file.
  52   */
  53  $submenu_file = apply_filters( 'submenu_file', $submenu_file, $parent_file );
  54  
  55  get_admin_page_parent();
  56  
  57  /**
  58   * Display menu.
  59   *
  60   * @access private
  61   * @since 2.7.0
  62   *
  63   * @global string $self
  64   * @global string $parent_file
  65   * @global string $submenu_file
  66   * @global string $plugin_page
  67   * @global string $typenow      The post type of the current screen.
  68   *
  69   * @param array $menu
  70   * @param array $submenu
  71   * @param bool  $submenu_as_parent
  72   */
  73  function _wp_menu_output( $menu, $submenu, $submenu_as_parent = true ) {
  74      global $self, $parent_file, $submenu_file, $plugin_page, $typenow;
  75  
  76      $first = true;
  77      // 0 = menu_title, 1 = capability, 2 = menu_slug, 3 = page_title, 4 = classes, 5 = hookname, 6 = icon_url.
  78      foreach ( $menu as $key => $item ) {
  79          $admin_is_parent = false;
  80          $class           = array();
  81          $aria_attributes = '';
  82          $aria_hidden     = '';
  83          $is_separator    = false;
  84  
  85          if ( $first ) {
  86              $class[] = 'wp-first-item';
  87              $first   = false;
  88          }
  89  
  90          $submenu_items = array();
  91          if ( ! empty( $submenu[ $item[2] ] ) ) {
  92              $class[]       = 'wp-has-submenu';
  93              $submenu_items = $submenu[ $item[2] ];
  94          }
  95  
  96          if ( ( $parent_file && $item[2] === $parent_file ) || ( empty( $typenow ) && $self === $item[2] ) ) {
  97              if ( ! empty( $submenu_items ) ) {
  98                  $class[] = 'wp-has-current-submenu wp-menu-open';
  99              } else {
 100                  $class[]          = 'current';
 101                  $aria_attributes .= 'aria-current="page"';
 102              }
 103          } else {
 104              $class[] = 'wp-not-current-submenu';
 105              if ( ! empty( $submenu_items ) ) {
 106                  $aria_attributes .= 'data-ariahaspopup';
 107              }
 108          }
 109  
 110          if ( ! empty( $item[4] ) ) {
 111              $class[] = esc_attr( $item[4] );
 112          }
 113  
 114          $class     = ' class="' . implode( ' ', $class ) . '"';
 115          $id        = ! empty( $item[5] ) ? ' id="' . preg_replace( '|[^a-zA-Z0-9_:.]|', '-', $item[5] ) . '"' : '';
 116          $img       = '';
 117          $img_style = '';
 118          $img_class = ' dashicons-before';
 119  
 120          if ( str_contains( $class, 'wp-menu-separator' ) ) {
 121              $is_separator = true;
 122          }
 123  
 124          /*
 125           * If the string 'none' (previously 'div') is passed instead of a URL, don't output
 126           * the default menu image so an icon can be added to div.wp-menu-image as background
 127           * with CSS. Dashicons and base64-encoded data:image/svg_xml URIs are also handled
 128           * as special cases. Namespaced icon names are rendered as inline SVG, or leave the
 129           * menu image empty if the icon is not found. Any other value is treated as an image URL.
 130           *
 131           * Dashicons back-compat: the `$menu` global keeps the Dashicons of the menu items,
 132           * including the core ones. Dashicons with a registered replacement icon are only
 133           * mapped to it here, when the menu is rendered, and other Dashicons are rendered
 134           * with the Dashicons font.
 135           */
 136          if ( ! empty( $item[6] ) ) {
 137              $img       = '<img src="' . esc_url( $item[6] ) . '" alt="" />';
 138              $icon_name = WP_Icons_Registry::get_instance()->get_admin_icon_name_for_dashicon( $item[6] ) ?? $item[6];
 139  
 140              if ( 'none' === $item[6] || 'div' === $item[6] ) {
 141                  $img = '<br />';
 142              } elseif ( str_starts_with( $item[6], 'data:image/svg+xml;base64,' ) ) {
 143                  $img = '<br />';
 144                  // The value is base64-encoded data, so esc_attr() is used here instead of esc_url().
 145                  $img_style = ' style="background-image:url(\'' . esc_attr( $item[6] ) . '\')"';
 146                  $img_class = ' svg';
 147              } elseif ( wp_is_valid_icon_name( $icon_name ) ) {
 148                  $img  = '<br />';
 149                  $icon = wp_get_icon( $icon_name );
 150                  if ( '' !== $icon ) {
 151                      $img       = $icon;
 152                      $img_class = ' dashicons-before svg-icon';
 153                  } elseif ( ! WP_Icons_Registry::get_instance()->is_registered( $icon_name ) ) {
 154                      _doing_it_wrong(
 155                          __FUNCTION__,
 156                          sprintf(
 157                              /* translators: 1: Icon name, 2: Admin menu item slug. */
 158                              __( 'The icon "%1$s" of the admin menu item "%2$s" is not registered.' ),
 159                              $icon_name,
 160                              $item[2]
 161                          ),
 162                          '7.2.0'
 163                      );
 164                  }
 165              } elseif ( str_starts_with( $item[6], 'dashicons-' ) ) {
 166                  $img       = '<br />';
 167                  $img_class = ' dashicons-before ' . sanitize_html_class( $item[6] );
 168              }
 169          }
 170  
 171          $title = wptexturize( $item[0] );
 172  
 173          // Hide separators from screen readers.
 174          if ( $is_separator ) {
 175              $aria_hidden = ' aria-hidden="true"';
 176          }
 177  
 178          echo "\n\t<li$class$id$aria_hidden>";
 179  
 180          if ( $is_separator ) {
 181              echo '<div class="separator"></div>';
 182          } elseif ( $submenu_as_parent && ! empty( $submenu_items ) ) {
 183              $submenu_items = array_values( $submenu_items );  // Re-index.
 184              $menu_hook     = get_plugin_page_hook( $submenu_items[0][2], $item[2] );
 185              $menu_file     = $submenu_items[0][2];
 186              $pos           = strpos( $menu_file, '?' );
 187  
 188              if ( false !== $pos ) {
 189                  $menu_file = substr( $menu_file, 0, $pos );
 190              }
 191  
 192              if ( ! empty( $menu_hook )
 193                  || ( ( 'index.php' !== $submenu_items[0][2] )
 194                      && file_exists( WP_PLUGIN_DIR . "/$menu_file" )
 195                      && ! file_exists( ABSPATH . "/wp-admin/$menu_file" ) )
 196              ) {
 197                  $admin_is_parent = true;
 198                  echo "<a href='admin.php?page={$submenu_items[0][2]}'$class $aria_attributes><div class='wp-menu-image$img_class'$img_style aria-hidden='true'>$img</div><div class='wp-menu-name'>$title</div></a>";
 199              } else {
 200                  echo "\n\t<a href='{$submenu_items[0][2]}'$class $aria_attributes><div class='wp-menu-image$img_class'$img_style aria-hidden='true'>$img</div><div class='wp-menu-name'>$title</div></a>";
 201              }
 202          } elseif ( ! empty( $item[2] ) && current_user_can( $item[1] ) ) {
 203              $menu_hook = get_plugin_page_hook( $item[2], 'admin.php' );
 204              $menu_file = $item[2];
 205              $pos       = strpos( $menu_file, '?' );
 206  
 207              if ( false !== $pos ) {
 208                  $menu_file = substr( $menu_file, 0, $pos );
 209              }
 210  
 211              if ( ! empty( $menu_hook )
 212                  || ( ( 'index.php' !== $item[2] )
 213                      && file_exists( WP_PLUGIN_DIR . "/$menu_file" )
 214                      && ! file_exists( ABSPATH . "/wp-admin/$menu_file" ) )
 215              ) {
 216                  $admin_is_parent = true;
 217                  echo "\n\t<a href='admin.php?page={$item[2]}'$class $aria_attributes><div class='wp-menu-image$img_class'$img_style aria-hidden='true'>$img</div><div class='wp-menu-name'>{$item[0]}</div></a>";
 218              } else {
 219                  echo "\n\t<a href='{$item[2]}'$class $aria_attributes><div class='wp-menu-image$img_class'$img_style aria-hidden='true'>$img</div><div class='wp-menu-name'>{$item[0]}</div></a>";
 220              }
 221          }
 222  
 223          if ( ! empty( $submenu_items ) ) {
 224              echo "\n\t<ul class='wp-submenu wp-submenu-wrap'>";
 225              echo "<li class='wp-submenu-head' aria-hidden='true'>{$item[0]}</li>";
 226  
 227              $first = true;
 228  
 229              // 0 = menu_title, 1 = capability, 2 = menu_slug, 3 = page_title, 4 = classes.
 230              foreach ( $submenu_items as $sub_key => $sub_item ) {
 231                  if ( ! current_user_can( $sub_item[1] ) ) {
 232                      continue;
 233                  }
 234  
 235                  $class           = array();
 236                  $aria_attributes = '';
 237  
 238                  if ( $first ) {
 239                      $class[] = 'wp-first-item';
 240                      $first   = false;
 241                  }
 242  
 243                  $menu_file = $item[2];
 244                  $pos       = strpos( $menu_file, '?' );
 245  
 246                  if ( false !== $pos ) {
 247                      $menu_file = substr( $menu_file, 0, $pos );
 248                  }
 249  
 250                  // Handle current for post_type=post|page|foo pages, which won't match $self.
 251                  $self_type = ! empty( $typenow ) ? $self . '?post_type=' . $typenow : 'nothing';
 252  
 253                  if ( isset( $submenu_file ) ) {
 254                      if ( $submenu_file === $sub_item[2] ) {
 255                          $class[]          = 'current';
 256                          $aria_attributes .= ' aria-current="page"';
 257                      }
 258                      /*
 259                       * If plugin_page is set the parent must either match the current page or not physically exist.
 260                       * This allows plugin pages with the same hook to exist under different parents.
 261                       */
 262                  } elseif (
 263                      ( ! isset( $plugin_page ) && $self === $sub_item[2] )
 264                      || ( isset( $plugin_page ) && $plugin_page === $sub_item[2]
 265                          && ( $item[2] === $self_type || $item[2] === $self || file_exists( $menu_file ) === false ) )
 266                  ) {
 267                      $class[]          = 'current';
 268                      $aria_attributes .= ' aria-current="page"';
 269                  }
 270  
 271                  if ( ! empty( $sub_item[4] ) ) {
 272                      $class[] = esc_attr( $sub_item[4] );
 273                  }
 274  
 275                  $class = $class ? ' class="' . implode( ' ', $class ) . '"' : '';
 276  
 277                  $menu_hook = get_plugin_page_hook( $sub_item[2], $item[2] );
 278                  $sub_file  = $sub_item[2];
 279                  $pos       = strpos( $sub_file, '?' );
 280                  if ( false !== $pos ) {
 281                      $sub_file = substr( $sub_file, 0, $pos );
 282                  }
 283  
 284                  $title = wptexturize( $sub_item[0] );
 285  
 286                  if ( ! empty( $menu_hook )
 287                      || ( ( 'index.php' !== $sub_item[2] )
 288                          && file_exists( WP_PLUGIN_DIR . "/$sub_file" )
 289                          && ! file_exists( ABSPATH . "/wp-admin/$sub_file" ) )
 290                  ) {
 291                      // If admin.php is the current page or if the parent exists as a file in the plugins or admin directory.
 292                      if ( ( ! $admin_is_parent && file_exists( WP_PLUGIN_DIR . "/$menu_file" ) && ! is_dir( WP_PLUGIN_DIR . "/{$item[2]}" ) ) || file_exists( $menu_file ) ) {
 293                          $sub_item_url = add_query_arg( array( 'page' => $sub_item[2] ), $item[2] );
 294                      } else {
 295                          $sub_item_url = add_query_arg( array( 'page' => $sub_item[2] ), 'admin.php' );
 296                      }
 297  
 298                      $sub_item_url = esc_url( $sub_item_url );
 299                      echo "<li$class><a href='$sub_item_url'$class$aria_attributes>$title</a></li>";
 300                  } else {
 301                      echo "<li$class><a href='{$sub_item[2]}'$class$aria_attributes>$title</a></li>";
 302                  }
 303              }
 304              echo '</ul>';
 305          }
 306          echo '</li>';
 307      }
 308  
 309      echo '<li id="collapse-menu" class="hide-if-no-js">' .
 310          '<button type="button" id="collapse-button" aria-label="' . esc_attr__( 'Collapse Main Menu' ) . '" aria-expanded="true">' .
 311          '<span class="collapse-button-icon" aria-hidden="true">' . wp_get_icon( 'core-admin/chevron-left' ) . '</span>' .
 312          '<span class="collapse-button-label">' . __( 'Collapse Menu' ) . '</span>' .
 313          '</button></li>';
 314  }
 315  
 316  ?>
 317  
 318  <div id="adminmenumain" role="navigation" aria-label="<?php esc_attr_e( 'Main menu' ); ?>">
 319  <a href="#wpbody-content" class="screen-reader-shortcut"><?php _e( 'Skip to main content' ); ?></a>
 320  <a href="#wp-toolbar" class="screen-reader-shortcut"><?php _e( 'Skip to toolbar' ); ?></a>
 321  <div id="adminmenuback"></div>
 322  <div id="adminmenuwrap">
 323  <ul id="adminmenu">
 324  
 325  <?php
 326  
 327  _wp_menu_output( $menu, $submenu );
 328  /**
 329   * Fires after the admin menu has been output.
 330   *
 331   * @since 2.5.0
 332   */
 333  do_action( 'adminmenu' );
 334  
 335  ?>
 336  </ul>
 337  </div>
 338  </div>


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