1<?php
  2/**
  3 * Displays Administration Menu.
  4 *
  5 * @package WordPress
  6 * @subpackage Administration
  7 */
  8
  9// Don't load directly.
 10if ( ! defined( 'ABSPATH' ) ) {
 11	die( '-1' );
 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 */
 32global $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
 55get_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 */
 73function _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 ? ' 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.
129		 */
130		if ( ! empty( $item[6] ) ) {
131			$img = '<img src="' . esc_url( $item[6] ) . '" alt="" />';
132
133			if ( 'none' === $item[6] || 'div' === $item[6] ) {
134				$img = '<br />';
135			} elseif ( str_starts_with( $item[6], 'data:image/svg+xml;base64,' ) ) {
136				$img = '<br />';
137				// The value is base64-encoded data, so esc_attr() is used here instead of esc_url().
138				$img_style = ' style="background-image:url(\'' . esc_attr( $item[6] ) . '\')"';
139				$img_class = ' svg';
140			} elseif ( str_starts_with( $item[6], 'dashicons-' ) ) {
141				$img       = '<br />';
142				$img_class = ' dashicons-before ' . sanitize_html_class( $item[6] );
143			}
144		}
145
146		$title = wptexturize( $item[0] );
147
148		// Hide separators from screen readers.
149		if ( $is_separator ) {
150			$aria_hidden = ' aria-hidden="true"';
151		}
152
153		echo "\n\t<li$class$id$aria_hidden>";
154
155		if ( $is_separator ) {
156			echo '<div class="separator"></div>';
157		} elseif ( $submenu_as_parent && ! empty( $submenu_items ) ) {
158			$submenu_items = array_values( $submenu_items );  // Re-index.
159			$menu_hook     = get_plugin_page_hook( $submenu_items[0][2], $item[2] );
160			$menu_file     = $submenu_items[0][2];
161			$pos           = strpos( $menu_file, '?' );
162
163			if ( false !== $pos ) {
164				$menu_file = substr( $menu_file, 0, $pos );
165			}
166
167			if ( ! empty( $menu_hook )
168				|| ( ( 'index.php' !== $submenu_items[0][2] )
169					&& file_exists( WP_PLUGIN_DIR . "/$menu_file" )
170					&& ! file_exists( ABSPATH . "/wp-admin/$menu_file" ) )
171			) {
172				$admin_is_parent = true;
173				echo "<a href='admin.php?page={$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'>$title</div></a>";
174			} else {
175				echo "\n\t<a href='{$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>";
176			}
177		} elseif ( ! empty( $item[2] ) && current_user_can( $item[1] ) ) {
178			$menu_hook = get_plugin_page_hook( $item[2], 'admin.php' );
179			$menu_file = $item[2];
180			$pos       = strpos( $menu_file, '?' );
181
182			if ( false !== $pos ) {
183				$menu_file = substr( $menu_file, 0, $pos );
184			}
185
186			if ( ! empty( $menu_hook )
187				|| ( ( 'index.php' !== $item[2] )
188					&& file_exists( WP_PLUGIN_DIR . "/$menu_file" )
189					&& ! file_exists( ABSPATH . "/wp-admin/$menu_file" ) )
190			) {
191				$admin_is_parent = true;
192				echo "\n\t<a href='admin.php?page={$item[2]}'$class $aria_attributes><div class='wp-menu-image$img_class'$img_style aria-hidden='true'>$img</div><div class='wp-menu-name'>{$item[0]}</div></a>";
193			} else {
194				echo "\n\t<a href='{$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>";
195			}
196		}
197
198		if ( ! empty( $submenu_items ) ) {
199			echo "\n\t<ul class='wp-submenu wp-submenu-wrap'>";
200			echo "<li class='wp-submenu-head' aria-hidden='true'>{$item[0]}</li>";
201
202			$first = true;
203
204			// 0 = menu_title, 1 = capability, 2 = menu_slug, 3 = page_title, 4 = classes.
205			foreach ( $submenu_items as $sub_key => $sub_item ) {
206				if ( ! current_user_can( $sub_item[1] ) ) {
207					continue;
208				}
209
210				$class           = array();
211				$aria_attributes = '';
212
213				if ( $first ) {
214					$class[] = 'wp-first-item';
215					$first   = false;
216				}
217
218				$menu_file = $item[2];
219				$pos       = strpos( $menu_file, '?' );
220
221				if ( false !== $pos ) {
222					$menu_file = substr( $menu_file, 0, $pos );
223				}
224
225				// Handle current for post_type=post|page|foo pages, which won't match $self.
226				$self_type = ! empty( $typenow ) ? $self . '?post_type=' . $typenow : 'nothing';
227
228				if ( isset( $submenu_file ) ) {
229					if ( $submenu_file === $sub_item[2] ) {
230						$class[]          = 'current';
231						$aria_attributes .= ' aria-current="page"';
232					}
233					/*
234					 * If plugin_page is set the parent must either match the current page or not physically exist.
235					 * This allows plugin pages with the same hook to exist under different parents.
236					 */
237				} elseif (
238					( ! isset( $plugin_page ) && $self === $sub_item[2] )
239					|| ( isset( $plugin_page ) && $plugin_page === $sub_item[2]
240						&& ( $item[2] === $self_type || $item[2] === $self || file_exists( $menu_file ) === false ) )
241				) {
242					$class[]          = 'current';
243					$aria_attributes .= ' aria-current="page"';
244				}
245
246				if ( ! empty( $sub_item[4] ) ) {
247					$class[] = esc_attr( $sub_item[4] );
248				}
249
250				$class = $class ? ' class="' . implode( ' ', $class ) . '"' : '';
251
252				$menu_hook = get_plugin_page_hook( $sub_item[2], $item[2] );
253				$sub_file  = $sub_item[2];
254				$pos       = strpos( $sub_file, '?' );
255				if ( false !== $pos ) {
256					$sub_file = substr( $sub_file, 0, $pos );
257				}
258
259				$title = wptexturize( $sub_item[0] );
260
261				if ( ! empty( $menu_hook )
262					|| ( ( 'index.php' !== $sub_item[2] )
263						&& file_exists( WP_PLUGIN_DIR . "/$sub_file" )
264						&& ! file_exists( ABSPATH . "/wp-admin/$sub_file" ) )
265				) {
266					// If admin.php is the current page or if the parent exists as a file in the plugins or admin directory.
267					if ( ( ! $admin_is_parent && file_exists( WP_PLUGIN_DIR . "/$menu_file" ) && ! is_dir( WP_PLUGIN_DIR . "/{$item[2]}" ) ) || file_exists( $menu_file ) ) {
268						$sub_item_url = add_query_arg( array( 'page' => $sub_item[2] ), $item[2] );
269					} else {
270						$sub_item_url = add_query_arg( array( 'page' => $sub_item[2] ), 'admin.php' );
271					}
272
273					$sub_item_url = esc_url( $sub_item_url );
274					echo "<li$class><a href='$sub_item_url'$class$aria_attributes>$title</a></li>";
275				} else {
276					echo "<li$class><a href='{$sub_item[2]}'$class$aria_attributes>$title</a></li>";
277				}
278			}
279			echo '</ul>';
280		}
281		echo '</li>';
282	}
283
284	echo '<li id="collapse-menu" class="hide-if-no-js">' .
285		'<button type="button" id="collapse-button" aria-label="' . esc_attr__( 'Collapse Main Menu' ) . '" aria-expanded="true">' .
286		'<span class="collapse-button-icon" aria-hidden="true"></span>' .
287		'<span class="collapse-button-label">' . __( 'Collapse Menu' ) . '</span>' .
288		'</button></li>';
289}
290
291?>
292
293<div id="adminmenumain" role="navigation" aria-label="<?php esc_attr_e( 'Main menu' ); ?>">
294<a href="#wpbody-content" class="screen-reader-shortcut"><?php _e( 'Skip to main content' ); ?></a>
295<a href="#wp-toolbar" class="screen-reader-shortcut"><?php _e( 'Skip to toolbar' ); ?></a>
296<div id="adminmenuback"></div>
297<div id="adminmenuwrap">
298<ul id="adminmenu">
299
300<?php
301
302_wp_menu_output( $menu, $submenu );
303/**
304 * Fires after the admin menu has been output.
305 *
306 * @since 2.5.0
307 */
308do_action( 'adminmenu' );
309
310?>
311</ul>
312</div>
313</div>
314