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Don't prime menu item cache if a persistent cache is being used. Prime the menu item cache only on the first call to wp_get_nav_menu_items(). Avoids unneeded queries when wp_get_nav_menu_items() is called repeatedly. see #12734 

git-svn-id: http://svn.automattic.com/wordpress/trunk@14560 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan 2010-05-11 15:55:17 +00:00
parent 2b930efb74
commit 02058305b5
1 changed files with 30 additions and 23 deletions
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53
wp-includes/nav-menu.php
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@ -405,11 +405,15 @@ function _sort_nav_menu_items($a, $b) {
* @return mixed $items array of menu items, else false.
*/
function wp_get_nav_menu_items( $menu, $args = array() ) {
global $_wp_using_ext_object_cache;
$menu = wp_get_nav_menu_object( $menu );
if ( ! $menu )
return false;
static $fetched = array();
$items = get_objects_in_term( $menu->term_id, 'nav_menu' );
if ( empty( $items ) )
@ -429,32 +433,35 @@ function wp_get_nav_menu_items( $menu, $args = array() ) {
return false;
// Get all posts and terms at once to prime the caches
$posts = array();
$terms = array();
foreach ( $items as $item ) {
$object_id = get_post_meta( $item->ID, '_menu_item_object_id', true );
$object = get_post_meta( $item->ID, '_menu_item_object', true );
$type = get_post_meta( $item->ID, '_menu_item_type', true );
if ( 'post_type' == $type )
$posts[$object][] = $object_id;
elseif ( 'taxonomy' == $type)
$terms[$object][] = $object_id;
}
if ( !empty($posts) ) {
foreach ( array_keys($posts) as $post_type ) {
get_posts( array('post__in' => $posts[$post_type], 'post_type' => $post_type, 'nopaging' => true, 'update_post_term_cache' => false) );
if ( empty($fetched[$menu->term_id]) || $_wp_using_ext_object_cache ) {
$fetched[$menu->term_id] = true;
$posts = array();
$terms = array();
foreach ( $items as $item ) {
$object_id = get_post_meta( $item->ID, '_menu_item_object_id', true );
$object = get_post_meta( $item->ID, '_menu_item_object', true );
$type = get_post_meta( $item->ID, '_menu_item_type', true );
if ( 'post_type' == $type )
$posts[$object][] = $object_id;
elseif ( 'taxonomy' == $type)
$terms[$object][] = $object_id;
}
}
unset($posts);
if ( !empty($terms) ) {
foreach ( array_keys($terms) as $taxonomy ) {
get_terms($taxonomy, array('include' => $terms[$taxonomy]) );
if ( !empty($posts) ) {
foreach ( array_keys($posts) as $post_type ) {
get_posts( array('post__in' => $posts[$post_type], 'post_type' => $post_type, 'nopaging' => true, 'update_post_term_cache' => false) );
}
}
unset($posts);
if ( !empty($terms) ) {
foreach ( array_keys($terms) as $taxonomy ) {
get_terms($taxonomy, array('include' => $terms[$taxonomy]) );
}
}
unset($terms);
}
unset($terms);
$items = array_map( 'wp_setup_nav_menu_item', $items );