WordPress/wp-admin/menu-header.php
duck_ 2b11174785 _wp_menu_output() speed up and clean up. Props dragoonis. Fixes #13662.
Attempt file_exists() last and cache an array index lookup for speed up. Whitespace and appropriate parentheses for readability.


git-svn-id: http://svn.automattic.com/wordpress/trunk@18792 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2011-09-27 10:22:58 +00:00

188 lines
6.5 KiB
PHP

<?php
/**
* Displays Administration Menu.
*
* @package WordPress
* @subpackage Administration
*/
/**
* The current page.
*
* @global string $self
* @name $self
* @var string
*/
$self = preg_replace('|^.*/wp-admin/network/|i', '', $_SERVER['PHP_SELF']);
$self = preg_replace('|^.*/wp-admin/|i', '', $self);
$self = preg_replace('|^.*/plugins/|i', '', $self);
$self = preg_replace('|^.*/mu-plugins/|i', '', $self);
global $menu, $submenu, $parent_file; //For when admin-header is included from within a function.
$parent_file = apply_filters("parent_file", $parent_file); // For plugins to move submenu tabs around.
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, $typenow;
$menu_setting_increment = -1;
$user_settings = get_all_user_settings();
$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;
}
$submenu_items = false;
if ( ! empty( $submenu[$item[2]] ) ) {
$class[] = 'wp-has-submenu';
$submenu_items = $submenu[$item[2]];
$menu_setting_increment++;
}
if ( ( $parent_file && $item[2] == $parent_file ) || ( empty($typenow) && $self == $item[2] ) ) {
$class[] = ! empty( $submenu_items ) ? 'wp-has-current-submenu wp-menu-open' : 'current';
} else {
$class[] = 'wp-not-current-submenu';
}
if ( ! empty( $item[4] ) )
$class[] = $item[4];
$class = $class ? ' class="' . join( ' ', $class ) . '"' : '';
$tabindex = ' tabindex="1"';
$id = ! empty( $item[5] ) ? ' id="' . preg_replace( '|[^a-zA-Z0-9_:.]|', '-', $item[5] ) . '"' : '';
$img = '';
if ( ! empty( $item[6] ) )
$img = ( 'div' === $item[6] ) ? '<br />' : '<img src="' . $item[6] . '" alt="" />';
$arrow = '<div class="wp-menu-arrow"><div></div></div>';
$title = wptexturize( $item[0] );
echo "\n\t<li$class$id>";
if ( false !== strpos( $class, 'wp-menu-separator' ) ) {
echo '<div class="separator"></div>';
} elseif ( $submenu_as_parent && ! empty( $submenu_items ) ) {
$submenu_items = array_values( $submenu_items ); // Re-index.
$menu_hook = get_plugin_page_hook( $submenu_items[0][2], $item[2] );
$menu_file = $submenu_items[0][2];
if ( false !== ( $pos = strpos( $menu_file, '?' ) ) )
$menu_file = substr( $menu_file, 0, $pos );
if ( ! empty( $menu_hook ) || ( ('index.php' != $submenu_items[0][2]) && file_exists( WP_PLUGIN_DIR . "/$menu_file" ) ) ) {
$admin_is_parent = true;
echo "<div class='wp-menu-image'><a href='admin.php?page={$submenu_items[0][2]}'>$img</a></div>$arrow<a href='admin.php?page={$submenu_items[0][2]}'$class$tabindex>$title</a>";
} else {
echo "\n\t<div class='wp-menu-image'><a href='{$submenu_items[0][2]}'>$img</a></div>$arrow<a href='{$submenu_items[0][2]}'$class$tabindex>$title</a>";
}
} elseif ( ! empty( $item[2] ) && current_user_can( $item[1] ) ) {
$menu_hook = get_plugin_page_hook( $item[2], 'admin.php' );
$menu_file = $item[2];
if ( false !== ( $pos = strpos( $menu_file, '?' ) ) )
$menu_file = substr( $menu_file, 0, $pos );
if ( ! empty( $menu_hook ) || ( ('index.php' != $item[2]) && file_exists( WP_PLUGIN_DIR . "/$menu_file" ) ) ) {
$admin_is_parent = true;
echo "\n\t<div class='wp-menu-image'><a href='admin.php?page={$item[2]}'>$img</a></div>$arrow<a href='admin.php?page={$item[2]}'$class$tabindex>{$item[0]}</a>";
} else {
echo "\n\t<div class='wp-menu-image'><a href='{$item[2]}'>$img</a></div>$arrow<a href='{$item[2]}'$class$tabindex>{$item[0]}</a>";
}
}
if ( ! empty( $submenu_items ) ) {
echo "\n\t<div class='wp-submenu'><div class='wp-submenu-wrap'>";
echo "<div class='wp-submenu-head'>{$item[0]}</div><ul>";
$first = true;
foreach ( $submenu_items as $sub_key => $sub_item ) {
if ( ! current_user_can( $sub_item[1] ) )
continue;
$class = array();
if ( $first ) {
$class[] = 'wp-first-item';
$first = false;
}
$menu_file = $item[2];
if ( false !== ( $pos = strpos( $menu_file, '?' ) ) )
$menu_file = substr( $menu_file, 0, $pos );
// Handle current for post_type=post|page|foo pages, which won't match $self.
$self_type = ! empty( $typenow ) ? $self . '?post_type=' . $typenow : 'nothing';
if ( isset( $submenu_file ) && $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 ) && $self == $sub_item[2] ) ||
( isset( $plugin_page ) && $plugin_page == $sub_item[2] && ( $item[2] == $self_type || $item[2] == $self || file_exists($menu_file) === false ) )
) {
$class[] = 'current';
}
$class = $class ? ' class="' . join( ' ', $class ) . '"' : '';
$menu_hook = get_plugin_page_hook($sub_item[2], $item[2]);
$sub_file = $sub_item[2];
if ( false !== ( $pos = strpos( $sub_file, '?' ) ) )
$sub_file = substr($sub_file, 0, $pos);
$title = wptexturize($sub_item[0]);
if ( ! empty( $menu_hook ) || ( ('index.php' != $sub_item[2]) && file_exists( WP_PLUGIN_DIR . "/$sub_file" ) ) ) {
// If admin.php is the current page or if the parent exists as a file in the plugins or admin dir
if ( (!$admin_is_parent && file_exists(WP_PLUGIN_DIR . "/$menu_file") && !is_dir(WP_PLUGIN_DIR . "/{$item[2]}")) || file_exists($menu_file) )
$sub_item_url = add_query_arg( array('page' => $sub_item[2]), $item[2] );
else
$sub_item_url = add_query_arg( array('page' => $sub_item[2]), 'admin.php' );
$sub_item_url = esc_url( $sub_item_url );
echo "<li$class><a href='$sub_item_url'$class$tabindex>$title</a></li>";
} else {
echo "<li$class><a href='{$sub_item[2]}'$class$tabindex>$title</a></li>";
}
}
echo "</ul></div></div>";
}
echo "</li>";
}
echo '<li id="collapse-menu" class="hide-if-no-js"><div id="collapse-button"><div></div></div>';
echo '<span>' . esc_html__( 'Collapse menu' ) . '</span>';
echo '</li>';
}
?>
<div id="adminmenuback"></div>
<div id="adminmenuwrap">
<div id="adminmenushadow"></div>
<ul id="adminmenu">
<?php
_wp_menu_output( $menu, $submenu );
do_action( 'adminmenu' );
?>
</ul>
</div>