WordPress/wp-admin/menu-header.php

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<?php
/**
* Displays Administration Menu.
*
* @package WordPress
* @subpackage Administration
*/
/**
* The current page.
*
* @global string $self
* @name $self
* @var string
*/
$self = preg_replace('|^.*/wp-admin/|i', '', $_SERVER['PHP_SELF']);
$self = preg_replace('|^.*/plugins/|i', '', $self);
global $menu, $submenu, $parent_file; //For when admin-header is included from within a function.
get_admin_page_parent();
/**
* Display menu.
*
* @access private
* @since 2.7.0
*
* @param array $menu
* @param array $submenu
* @param bool $submenu_as_parent
*/
function _wp_menu_output( &$menu, &$submenu, $submenu_as_parent = true ) {
global $self, $parent_file, $submenu_file, $plugin_page, $pagenow;
$first = true;
// 0 = name, 1 = capability, 2 = file, 3 = class, 4 = id, 5 = icon src
foreach ( $menu as $key => $item ) {
$admin_is_parent = false;
$class = array();
if ( $first ) {
$class[] = 'wp-first-item';
$first = false;
}
if ( !empty($submenu[$item[2]]) )
$class[] = 'wp-has-submenu';
if ( ( $parent_file && $item[2] == $parent_file ) || strcmp($self, $item[2]) == 0 ) {
if ( !empty($submenu[$item[2]]) )
$class[] = 'wp-has-current-submenu wp-menu-open';
else
$class[] = 'current';
}
if ( isset($item[4]) && ! empty($item[4]) )
$class[] = $item[4];
$class = $class ? ' class="' . join( ' ', $class ) . '"' : '';
$id = isset($item[5]) && ! empty($item[5]) ? ' id="' . $item[5] . '"' : '';
$img = isset($item[6]) && ! empty($item[6]) ? '<img class="wp-menu-image" src="' . $item[6] . '" alt="" />' : '';
$toggle = '<div class="wp-menu-toggle"><br /></div>';
echo "\n\t<li$class$id>";
if ( false !== strpos($class, 'wp-menu-separator') ) {
echo '<br />';
} elseif ( $submenu_as_parent && !empty($submenu[$item[2]]) ) {
$submenu[$item[2]] = array_values($submenu[$item[2]]); // Re-index.
$menu_hook = get_plugin_page_hook($submenu[$item[2]][0][2], $item[2]);
if ( file_exists(WP_PLUGIN_DIR . "/{$submenu[$item[2]][0][2]}") || !empty($menu_hook)) {
$admin_is_parent = true;
echo "$img$toggle<a href='admin.php?page={$submenu[$item[2]][0][2]}'$class>{$item[0]}</a>";
} else {
echo "\n\t$img$toggle<a href='{$submenu[$item[2]][0][2]}'$class>{$item[0]}</a>";
}
} else if ( current_user_can($item[1]) ) {
$menu_hook = get_plugin_page_hook($item[2], 'admin.php');
if ( file_exists(WP_PLUGIN_DIR . "/{$item[2]}") || !empty($menu_hook) ) {
$admin_is_parent = true;
echo "\n\t$img$toggle<a href='admin.php?page={$item[2]}'$class>{$item[0]}</a>";
} else {
echo "\n\t$img$toggle<a href='{$item[2]}'$class>{$item[0]}</a>";
}
}
if ( !empty($submenu[$item[2]]) ) {
echo "\n\t<ul class='wp-submenu'><li class='wp-submenu-head' style='display:none;'>{$item[0]}</li>";
$first = true;
foreach ( $submenu[$item[2]] as $sub_key => $sub_item ) {
if ( !current_user_can($sub_item[1]) )
continue;
$class = array();
if ( $first ) {
$class[] = 'wp-first-item';
$first = false;
}
if ( isset($submenu_file) ) {
if ( $submenu_file == $sub_item[2] )
$class[] = 'current';
// If plugin_page is set the parent must either match the current page or not physically exist.
// This allows plugin pages with the same hook to exist under different parents.
} else if ( (isset($plugin_page) && $plugin_page == $sub_item[2] && (!file_exists($item[2]) || ($item[2] == $self))) || (!isset($plugin_page) && $self == $sub_item[2]) ) {
$class[] = 'current';
}
$class = $class ? ' class="' . join( ' ', $class ) . '"' : '';
$menu_hook = get_plugin_page_hook($sub_item[2], $item[2]);
if ( file_exists(WP_PLUGIN_DIR . "/{$sub_item[2]}") || ! empty($menu_hook) ) {
// If admin.php is the current page or if the parent exists as a file in the plugins or admin dir
$parent_exists = (!$admin_is_parent && file_exists(WP_PLUGIN_DIR . "/{$item[2]}") && !is_dir(WP_PLUGIN_DIR . "/{$item[2]}") ) || file_exists($item[2]);
if ( $parent_exists )
echo "<li$class><a href='{$item[2]}?page={$sub_item[2]}'$class>{$sub_item[0]}</a></li>";
elseif ( 'admin.php' == $pagenow || !$parent_exists )
echo "<li$class><a href='admin.php?page={$sub_item[2]}'$class>{$sub_item[0]}</a></li>";
else
echo "<li$class><a href='{$item[2]}?page={$sub_item[2]}'$class>{$sub_item[0]}</a></li>";
} else {
echo "<li$class><a href='{$sub_item[2]}'$class>{$sub_item[0]}</a></li>";
}
}
echo "</ul>";
}
echo "</li>";
}
}
?>
<ul id="adminmenu" class="wp-menu">
<?php
_wp_menu_output( $menu, $submenu );
do_action( 'adminmenu' );
?>
</ul>