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<?php
/**
* Build Administration Menu.
*
* @package WordPress
* @subpackage Administration
*/
if ( is_network_admin() ) {
/**
* Fires before the administration menu loads in the Network Admin.
*
* The hook fires before menus and sub-menus are removed based on user privileges.
*
* @private
* @since 3.1.0
*/
do_action( '_network_admin_menu' );
} elseif ( is_user_admin() ) {
/**
* Fires before the administration menu loads in the User Admin.
*
* The hook fires before menus and sub-menus are removed based on user privileges.
*
* @private
* @since 3.1.0
*/
do_action( '_user_admin_menu' );
} else {
/**
* Fires before the administration menu loads in the admin.
*
* The hook fires before menus and sub-menus are removed based on user privileges.
*
* @private
* @since 2.2.0
*/
do_action( '_admin_menu' );
}
// Create list of page plugin hook names.
foreach ($menu as $menu_page) {
if ( false !== $pos = strpos($menu_page[2], '?') ) {
// Handle post_type=post|page|foo pages.
$hook_name = substr($menu_page[2], 0, $pos);
$hook_args = substr($menu_page[2], $pos + 1);
wp_parse_str($hook_args, $hook_args);
// Set the hook name to be the post type.
if ( isset($hook_args['post_type']) )
$hook_name = $hook_args['post_type'];
else
$hook_name = basename($hook_name, '.php');
unset($hook_args);
} else {
$hook_name = basename($menu_page[2], '.php');
}
$hook_name = sanitize_title($hook_name);
if ( isset($compat[$hook_name]) )
$hook_name = $compat[$hook_name];
elseif ( !$hook_name )
continue;
$admin_page_hooks[$menu_page[2]] = $hook_name;
}
unset($menu_page, $compat);
$_wp_submenu_nopriv = array();
$_wp_menu_nopriv = array();
// Loop over submenus and remove pages for which the user does not have privs.
foreach ($submenu as $parent => $sub) {
foreach ($sub as $index => $data) {
if ( ! current_user_can($data[1]) ) {
unset($submenu[$parent][$index]);
$_wp_submenu_nopriv[$parent][$data[2]] = true;
}
}
unset($index, $data);
if ( empty($submenu[$parent]) )
unset($submenu[$parent]);
}
unset($sub, $parent);
/*
* Loop over the top-level menu.
* Menus for which the original parent is not accessible due to lack of privileges
* will have the next submenu in line be assigned as the new menu parent.
*/
foreach ( $menu as $id => $data ) {
if ( empty($submenu[$data[2]]) )
continue;
$subs = $submenu[$data[2]];
$first_sub = reset( $subs );
$old_parent = $data[2];
$new_parent = $first_sub[2];
/*
* If the first submenu is not the same as the assigned parent,
* make the first submenu the new parent.
*/
if ( $new_parent != $old_parent ) {
$_wp_real_parent_file[$old_parent] = $new_parent;
$menu[$id][2] = $new_parent;
foreach ($submenu[$old_parent] as $index => $data) {
$submenu[$new_parent][$index] = $submenu[$old_parent][$index];
unset($submenu[$old_parent][$index]);
}
unset($submenu[$old_parent], $index);
if ( isset($_wp_submenu_nopriv[$old_parent]) )
$_wp_submenu_nopriv[$new_parent] = $_wp_submenu_nopriv[$old_parent];
}
}
unset($id, $data, $subs, $first_sub, $old_parent, $new_parent);
if ( is_network_admin() ) {
/**
* Fires before the administration menu loads in the Network Admin.
*
* @since 3.1.0
*
* @param string $context Empty context.
*/
do_action( 'network_admin_menu', '' );
} elseif ( is_user_admin() ) {
/**
* Fires before the administration menu loads in the User Admin.
*
* @since 3.1.0
*
* @param string $context Empty context.
*/
do_action( 'user_admin_menu', '' );
} else {
/**
* Fires before the administration menu loads in the admin.
*
* @since 1.5.0
*
* @param string $context Empty context.
*/
do_action( 'admin_menu', '' );
}
/*
* Remove menus that have no accessible submenus and require privileges
* that the user does not have. Run re-parent loop again.
*/
foreach ( $menu as $id => $data ) {
if ( ! current_user_can($data[1]) )
$_wp_menu_nopriv[$data[2]] = true;
/*
* If there is only one submenu and it is has same destination as the parent,
* remove the submenu.
*/
if ( ! empty( $submenu[$data[2]] ) && 1 == count ( $submenu[$data[2]] ) ) {
$subs = $submenu[$data[2]];
$first_sub = reset( $subs );
if ( $data[2] == $first_sub[2] )
unset( $submenu[$data[2]] );
}
// If submenu is empty...
if ( empty($submenu[$data[2]]) ) {
// And user doesn't have privs, remove menu.
if ( isset( $_wp_menu_nopriv[$data[2]] ) ) {
unset($menu[$id]);
}
}
}
unset($id, $data, $subs, $first_sub);
/**
*
* @param string $add
* @param string $class
* @return string
*/
function add_cssclass($add, $class) {
$class = empty($class) ? $add : $class .= ' ' . $add;
return $class;
}
/**
*
* @param array $menu
* @return array
*/
function add_menu_classes($menu) {
$first = $lastorder = false;
$i = 0;
$mc = count($menu);
foreach ( $menu as $order => $top ) {
$i++;
if ( 0 == $order ) { // dashboard is always shown/single
$menu[0][4] = add_cssclass('menu-top-first', $top[4]);
$lastorder = 0;
continue;
}
if ( 0 === strpos($top[2], 'separator') && false !== $lastorder ) { // if separator
$first = true;
$c = $menu[$lastorder][4];
$menu[$lastorder][4] = add_cssclass('menu-top-last', $c);
continue;
}
if ( $first ) {
$c = $menu[$order][4];
$menu[$order][4] = add_cssclass('menu-top-first', $c);
$first = false;
}
if ( $mc == $i ) { // last item
$c = $menu[$order][4];
$menu[$order][4] = add_cssclass('menu-top-last', $c);
}
$lastorder = $order;
}
/**
* Filter administration menus array with classes added for top-level items.
*
* @since 2.7.0
*
* @param array $menu Associative array of administration menu items.
*/
return apply_filters( 'add_menu_classes', $menu );
}
uksort($menu, "strnatcasecmp"); // make it all pretty
/**
* Filter whether to enable custom ordering of the administration menu.
*
* See the {@see 'menu_order'} filter for reordering menu items.
*
* @since 2.8.0
*
* @param bool $custom Whether custom ordering is enabled. Default false.
*/
if ( apply_filters( 'custom_menu_order', false ) ) {
$menu_order = array();
foreach ( $menu as $menu_item ) {
$menu_order[] = $menu_item[2];
}
unset($menu_item);
$default_menu_order = $menu_order;
/**
* Filter the order of administration menu items.
*
* A truthy value must first be passed to the {@see 'custom_menu_order'} filter
* for this filter to work. Use the following to enable custom menu ordering:
*
* add_filter( 'custom_menu_order', '__return_true' );
*
* @since 2.8.0
*
* @param array $menu_order An ordered array of menu items.
*/
$menu_order = apply_filters( 'menu_order', $menu_order );
$menu_order = array_flip($menu_order);
$default_menu_order = array_flip($default_menu_order);
/**
*
* @global array $menu_order
* @global array $default_menu_order
*
* @param array $a
* @param array $b
* @return int
*/
function sort_menu($a, $b) {
global $menu_order, $default_menu_order;
$a = $a[2];
$b = $b[2];
if ( isset($menu_order[$a]) && !isset($menu_order[$b]) ) {
return -1;
} elseif ( !isset($menu_order[$a]) && isset($menu_order[$b]) ) {
return 1;
} elseif ( isset($menu_order[$a]) && isset($menu_order[$b]) ) {
if ( $menu_order[$a] == $menu_order[$b] )
return 0;
return ($menu_order[$a] < $menu_order[$b]) ? -1 : 1;
} else {
return ($default_menu_order[$a] <= $default_menu_order[$b]) ? -1 : 1;
}
}
usort($menu, 'sort_menu');
unset($menu_order, $default_menu_order);
}
// Prevent adjacent separators
$prev_menu_was_separator = false;
foreach ( $menu as $id => $data ) {
if ( false === stristr( $data[4], 'wp-menu-separator' ) ) {
// This item is not a separator, so falsey the toggler and do nothing
$prev_menu_was_separator = false;
} else {
// The previous item was a separator, so unset this one
if ( true === $prev_menu_was_separator ) {
unset( $menu[ $id ] );
}
// This item is a separator, so truthy the toggler and move on
$prev_menu_was_separator = true;
}
}
unset( $id, $data, $prev_menu_was_separator );
// Remove the last menu item if it is a separator.
$last_menu_key = array_keys( $menu );
$last_menu_key = array_pop( $last_menu_key );
if ( !empty( $menu ) && 'wp-menu-separator' == $menu[ $last_menu_key ][ 4 ] )
unset( $menu[ $last_menu_key ] );
unset( $last_menu_key );
if ( !user_can_access_admin_page() ) {
/**
* Fires when access to an admin page is denied.
*
* @since 2.5.0
*/
do_action( 'admin_page_access_denied' );
wp_die( __( 'You do not have sufficient permissions to access this page.' ), 403 );
}
$menu = add_menu_classes($menu);