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Unset some vars when done with them to reduce peak memory usage. see #12734

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git-svn-id: https://develop.svn.wordpress.org/trunk@14559 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren 2010-05-11 14:39:00 +00:00
parent c0e02a6677
commit b726ce95dc
1 changed files with 3 additions and 0 deletions
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3
wp-includes/nav-menu-template.php
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@ -241,8 +241,10 @@ function wp_nav_menu( $args = array() ) {
$sorted_menu_items = array(); $sorted_menu_items = array();
foreach ( (array) $menu_items as $key => $menu_item ) foreach ( (array) $menu_items as $key => $menu_item )
$sorted_menu_items[$menu_item->menu_order] = $menu_item; $sorted_menu_items[$menu_item->menu_order] = $menu_item;
unset($menu_items);
$items .= walk_nav_menu_tree( $sorted_menu_items, $args->depth, $args ); $items .= walk_nav_menu_tree( $sorted_menu_items, $args->depth, $args );
unset($sorted_menu_items);
// Attributes // Attributes
$attributes = ' id="menu-' . $menu->slug . '"'; $attributes = ' id="menu-' . $menu->slug . '"';
@ -258,6 +260,7 @@ function wp_nav_menu( $args = array() ) {
} else { } else {
$nav_menu .= $items; $nav_menu .= $items;
} }
unset($items);
$nav_menu .= '</ul>'; $nav_menu .= '</ul>';