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/wp-admin/includes/menu.php

https://bitbucket.org/devbctph/futura_wp
PHP | 345 lines | 172 code | 41 blank | 132 comment | 44 complexity | a16c328791716cce6d032b933f4c9376 MD5 | raw file
  1<?php
  2/**
  3 * Build Administration Menu.
  4 *
  5 * @package WordPress
  6 * @subpackage Administration
  7 */
  8
  9if ( is_network_admin() ) {
 10
 11	/**
 12	 * Fires before the administration menu loads in the Network Admin.
 13	 *
 14	 * The hook fires before menus and sub-menus are removed based on user privileges.
 15	 *
 16	 * @private
 17	 * @since 3.1.0
 18	 */
 19	do_action( '_network_admin_menu' );
 20} elseif ( is_user_admin() ) {
 21
 22	/**
 23	 * Fires before the administration menu loads in the User Admin.
 24	 *
 25	 * The hook fires before menus and sub-menus are removed based on user privileges.
 26	 *
 27	 * @private
 28	 * @since 3.1.0
 29	 */
 30	do_action( '_user_admin_menu' );
 31} else {
 32
 33	/**
 34	 * Fires before the administration menu loads in the admin.
 35	 *
 36	 * The hook fires before menus and sub-menus are removed based on user privileges.
 37	 *
 38	 * @private
 39	 * @since 2.2.0
 40	 */
 41	do_action( '_admin_menu' );
 42}
 43
 44// Create list of page plugin hook names.
 45foreach ($menu as $menu_page) {
 46	if ( false !== $pos = strpos($menu_page[2], '?') ) {
 47		// Handle post_type=post|page|foo pages.
 48		$hook_name = substr($menu_page[2], 0, $pos);
 49		$hook_args = substr($menu_page[2], $pos + 1);
 50		wp_parse_str($hook_args, $hook_args);
 51		// Set the hook name to be the post type.
 52		if ( isset($hook_args['post_type']) )
 53			$hook_name = $hook_args['post_type'];
 54		else
 55			$hook_name = basename($hook_name, '.php');
 56		unset($hook_args);
 57	} else {
 58		$hook_name = basename($menu_page[2], '.php');
 59	}
 60	$hook_name = sanitize_title($hook_name);
 61
 62	if ( isset($compat[$hook_name]) )
 63		$hook_name = $compat[$hook_name];
 64	elseif ( !$hook_name )
 65		continue;
 66
 67	$admin_page_hooks[$menu_page[2]] = $hook_name;
 68}
 69unset($menu_page, $compat);
 70
 71$_wp_submenu_nopriv = array();
 72$_wp_menu_nopriv = array();
 73// Loop over submenus and remove pages for which the user does not have privs.
 74foreach ($submenu as $parent => $sub) {
 75	foreach ($sub as $index => $data) {
 76		if ( ! current_user_can($data[1]) ) {
 77			unset($submenu[$parent][$index]);
 78			$_wp_submenu_nopriv[$parent][$data[2]] = true;
 79		}
 80	}
 81	unset($index, $data);
 82
 83	if ( empty($submenu[$parent]) )
 84		unset($submenu[$parent]);
 85}
 86unset($sub, $parent);
 87
 88/*
 89 * Loop over the top-level menu.
 90 * Menus for which the original parent is not accessible due to lack of privileges
 91 * will have the next submenu in line be assigned as the new menu parent.
 92 */
 93foreach ( $menu as $id => $data ) {
 94	if ( empty($submenu[$data[2]]) )
 95		continue;
 96	$subs = $submenu[$data[2]];
 97	$first_sub = reset( $subs );
 98	$old_parent = $data[2];
 99	$new_parent = $first_sub[2];
100	/*
101	 * If the first submenu is not the same as the assigned parent,
102	 * make the first submenu the new parent.
103	 */
104	if ( $new_parent != $old_parent ) {
105		$_wp_real_parent_file[$old_parent] = $new_parent;
106		$menu[$id][2] = $new_parent;
107
108		foreach ($submenu[$old_parent] as $index => $data) {
109			$submenu[$new_parent][$index] = $submenu[$old_parent][$index];
110			unset($submenu[$old_parent][$index]);
111		}
112		unset($submenu[$old_parent], $index);
113
114		if ( isset($_wp_submenu_nopriv[$old_parent]) )
115			$_wp_submenu_nopriv[$new_parent] = $_wp_submenu_nopriv[$old_parent];
116	}
117}
118unset($id, $data, $subs, $first_sub, $old_parent, $new_parent);
119
120if ( is_network_admin() ) {
121
122	/**
123	 * Fires before the administration menu loads in the Network Admin.
124	 *
125	 * @since 3.1.0
126	 *
127	 * @param string $context Empty context.
128	 */
129	do_action( 'network_admin_menu', '' );
130} elseif ( is_user_admin() ) {
131
132	/**
133	 * Fires before the administration menu loads in the User Admin.
134	 *
135	 * @since 3.1.0
136	 *
137	 * @param string $context Empty context.
138	 */
139	do_action( 'user_admin_menu', '' );
140} else {
141
142	/**
143	 * Fires before the administration menu loads in the admin.
144	 *
145	 * @since 1.5.0
146	 *
147	 * @param string $context Empty context.
148	 */
149	do_action( 'admin_menu', '' );
150}
151
152/*
153 * Remove menus that have no accessible submenus and require privileges
154 * that the user does not have. Run re-parent loop again.
155 */
156foreach ( $menu as $id => $data ) {
157	if ( ! current_user_can($data[1]) )
158		$_wp_menu_nopriv[$data[2]] = true;
159
160	/*
161	 * If there is only one submenu and it is has same destination as the parent,
162	 * remove the submenu.
163	 */
164	if ( ! empty( $submenu[$data[2]] ) && 1 == count ( $submenu[$data[2]] ) ) {
165		$subs = $submenu[$data[2]];
166		$first_sub = reset( $subs );
167		if ( $data[2] == $first_sub[2] )
168			unset( $submenu[$data[2]] );
169	}
170
171	// If submenu is empty...
172	if ( empty($submenu[$data[2]]) ) {
173		// And user doesn't have privs, remove menu.
174		if ( isset( $_wp_menu_nopriv[$data[2]] ) ) {
175			unset($menu[$id]);
176		}
177	}
178}
179unset($id, $data, $subs, $first_sub);
180
181/**
182 *
183 * @param string $add
184 * @param string $class
185 * @return string
186 */
187function add_cssclass($add, $class) {
188	$class = empty($class) ? $add : $class .= ' ' . $add;
189	return $class;
190}
191
192/**
193 *
194 * @param array $menu
195 * @return array
196 */
197function add_menu_classes($menu) {
198	$first = $lastorder = false;
199	$i = 0;
200	$mc = count($menu);
201	foreach ( $menu as $order => $top ) {
202		$i++;
203
204		if ( 0 == $order ) { // dashboard is always shown/single
205			$menu[0][4] = add_cssclass('menu-top-first', $top[4]);
206			$lastorder = 0;
207			continue;
208		}
209
210		if ( 0 === strpos($top[2], 'separator') && false !== $lastorder ) { // if separator
211			$first = true;
212			$c = $menu[$lastorder][4];
213			$menu[$lastorder][4] = add_cssclass('menu-top-last', $c);
214			continue;
215		}
216
217		if ( $first ) {
218			$c = $menu[$order][4];
219			$menu[$order][4] = add_cssclass('menu-top-first', $c);
220			$first = false;
221		}
222
223		if ( $mc == $i ) { // last item
224			$c = $menu[$order][4];
225			$menu[$order][4] = add_cssclass('menu-top-last', $c);
226		}
227
228		$lastorder = $order;
229	}
230
231	/**
232	 * Filters administration menus array with classes added for top-level items.
233	 *
234	 * @since 2.7.0
235	 *
236	 * @param array $menu Associative array of administration menu items.
237	 */
238	return apply_filters( 'add_menu_classes', $menu );
239}
240
241uksort($menu, "strnatcasecmp"); // make it all pretty
242
243/**
244 * Filters whether to enable custom ordering of the administration menu.
245 *
246 * See the {@see 'menu_order'} filter for reordering menu items.
247 *
248 * @since 2.8.0
249 *
250 * @param bool $custom Whether custom ordering is enabled. Default false.
251 */
252if ( apply_filters( 'custom_menu_order', false ) ) {
253	$menu_order = array();
254	foreach ( $menu as $menu_item ) {
255		$menu_order[] = $menu_item[2];
256	}
257	unset($menu_item);
258	$default_menu_order = $menu_order;
259
260	/**
261	 * Filters the order of administration menu items.
262	 *
263	 * A truthy value must first be passed to the {@see 'custom_menu_order'} filter
264	 * for this filter to work. Use the following to enable custom menu ordering:
265	 *
266	 *     add_filter( 'custom_menu_order', '__return_true' );
267	 *
268	 * @since 2.8.0
269	 *
270	 * @param array $menu_order An ordered array of menu items.
271	 */
272	$menu_order = apply_filters( 'menu_order', $menu_order );
273	$menu_order = array_flip($menu_order);
274	$default_menu_order = array_flip($default_menu_order);
275
276	/**
277	 *
278	 * @global array $menu_order
279	 * @global array $default_menu_order
280	 *
281	 * @param array $a
282	 * @param array $b
283	 * @return int
284	 */
285	function sort_menu($a, $b) {
286		global $menu_order, $default_menu_order;
287		$a = $a[2];
288		$b = $b[2];
289		if ( isset($menu_order[$a]) && !isset($menu_order[$b]) ) {
290			return -1;
291		} elseif ( !isset($menu_order[$a]) && isset($menu_order[$b]) ) {
292			return 1;
293		} elseif ( isset($menu_order[$a]) && isset($menu_order[$b]) ) {
294			if ( $menu_order[$a] == $menu_order[$b] )
295				return 0;
296			return ($menu_order[$a] < $menu_order[$b]) ? -1 : 1;
297		} else {
298			return ($default_menu_order[$a] <= $default_menu_order[$b]) ? -1 : 1;
299		}
300	}
301
302	usort($menu, 'sort_menu');
303	unset($menu_order, $default_menu_order);
304}
305
306// Prevent adjacent separators
307$prev_menu_was_separator = false;
308foreach ( $menu as $id => $data ) {
309	if ( false === stristr( $data[4], 'wp-menu-separator' ) ) {
310
311		// This item is not a separator, so falsey the toggler and do nothing
312		$prev_menu_was_separator = false;
313	} else {
314
315		// The previous item was a separator, so unset this one
316		if ( true === $prev_menu_was_separator ) {
317			unset( $menu[ $id ] );
318		}
319
320		// This item is a separator, so truthy the toggler and move on
321		$prev_menu_was_separator = true;
322	}
323}
324unset( $id, $data, $prev_menu_was_separator );
325
326// Remove the last menu item if it is a separator.
327$last_menu_key = array_keys( $menu );
328$last_menu_key = array_pop( $last_menu_key );
329if ( !empty( $menu ) && 'wp-menu-separator' == $menu[ $last_menu_key ][ 4 ] )
330	unset( $menu[ $last_menu_key ] );
331unset( $last_menu_key );
332
333if ( !user_can_access_admin_page() ) {
334
335	/**
336	 * Fires when access to an admin page is denied.
337	 *
338	 * @since 2.5.0
339	 */
340	do_action( 'admin_page_access_denied' );
341
342	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
343}
344
345$menu = add_menu_classes($menu);