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Optimize wp_update_nav_menu_item() for high performance. Only query items for a menu when we need them. Update items after updating its meta so the meta cache can be leveraged. see #22189. 

git-svn-id: http://core.svn.wordpress.org/trunk@22235 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Andrew Nacin 2012-10-15 14:27:16 +00:00
parent 26445266d4
commit 0ae808509c
1 changed files with 19 additions and 20 deletions
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39
wp-includes/nav-menu.php
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@ -279,10 +279,6 @@ function wp_update_nav_menu_item( $menu_id = 0, $menu_item_db_id = 0, $menu_item
if ( ( ! $menu && 0 !== $menu_id ) || is_wp_error( $menu ) )
return $menu;
$menu_items = 0 == $menu_id ? array() : (array) wp_get_nav_menu_items( $menu_id, array( 'post_status' => 'publish,draft' ) );
$count = count( $menu_items );
$defaults = array(
'menu-item-db-id' => $menu_item_db_id,
'menu-item-object-id' => 0,
@ -305,8 +301,9 @@ function wp_update_nav_menu_item( $menu_id = 0, $menu_item_db_id = 0, $menu_item
if ( 0 == $menu_id ) {
$args['menu-item-position'] = 1;
} elseif ( 0 == (int) $args['menu-item-position'] ) {
$menu_items = 0 == $menu_id ? array() : (array) wp_get_nav_menu_items( $menu_id, array( 'post_status' => 'publish,draft' ) );
$last_item = array_pop( $menu_items );
$args['menu-item-position'] = ( $last_item && isset( $last_item->menu_order ) ) ? 1 + $last_item->menu_order : $count;
$args['menu-item-position'] = ( $last_item && isset( $last_item->menu_order ) ) ? 1 + $last_item->menu_order : count( $menu_items );
}
$original_parent = 0 < $menu_item_db_id ? get_post_field( 'post_parent', $menu_item_db_id ) : 0;
@ -350,20 +347,18 @@ function wp_update_nav_menu_item( $menu_id = 0, $menu_item_db_id = 0, $menu_item
'post_type' => 'nav_menu_item',
);
if ( 0 != $menu_id )
if ( $menu_id && ! is_object_in_term( $menu_item_db_id, 'nav_menu', (int) $menu->term_id ) )
$post['tax_input'] = array( 'nav_menu' => array( intval( $menu->term_id ) ) );
$update = 0 != $menu_item_db_id;
// New menu item. Default is draft status
if ( 0 == $menu_item_db_id ) {
if ( ! $update ) {
$post['ID'] = 0;
$post['post_status'] = 'publish' == $args['menu-item-status'] ? 'publish' : 'draft';
$menu_item_db_id = wp_insert_post( $post );
// Update existing menu item. Default is publish status
} else {
$post['ID'] = $menu_item_db_id;
$post['post_status'] = 'draft' == $args['menu-item-status'] ? 'draft' : 'publish';
wp_update_post( $post );
if ( ! $menu_item_db_id || is_wp_error( $menu_item_db_id ) )
return $menu_item_db_id;
}
if ( 'custom' == $args['menu-item-type'] ) {
@ -371,14 +366,11 @@ function wp_update_nav_menu_item( $menu_id = 0, $menu_item_db_id = 0, $menu_item
$args['menu-item-object'] = 'custom';
}
if ( ! $menu_item_db_id || is_wp_error( $menu_item_db_id ) )
return $menu_item_db_id;
$menu_item_db_id = (int) $menu_item_db_id;
update_post_meta( $menu_item_db_id, '_menu_item_type', sanitize_key($args['menu-item-type']) );
update_post_meta( $menu_item_db_id, '_menu_item_menu_item_parent', (int) $args['menu-item-parent-id'] );
update_post_meta( $menu_item_db_id, '_menu_item_object_id', (int) $args['menu-item-object-id'] );
update_post_meta( $menu_item_db_id, '_menu_item_menu_item_parent', strval( (int) $args['menu-item-parent-id'] ) );
update_post_meta( $menu_item_db_id, '_menu_item_object_id', strval( (int) $args['menu-item-object-id'] ) );
update_post_meta( $menu_item_db_id, '_menu_item_object', sanitize_key($args['menu-item-object']) );
update_post_meta( $menu_item_db_id, '_menu_item_target', sanitize_key($args['menu-item-target']) );
@ -389,10 +381,17 @@ function wp_update_nav_menu_item( $menu_id = 0, $menu_item_db_id = 0, $menu_item
update_post_meta( $menu_item_db_id, '_menu_item_url', esc_url_raw($args['menu-item-url']) );
if ( 0 == $menu_id )
update_post_meta( $menu_item_db_id, '_menu_item_orphaned', time() );
else
update_post_meta( $menu_item_db_id, '_menu_item_orphaned', (string) time() );
elseif ( get_post_meta( $menu_item_db_id, '_menu_item_orphaned' ) )
delete_post_meta( $menu_item_db_id, '_menu_item_orphaned' );
// Update existing menu item. Default is publish status
if ( $update ) {
$post['ID'] = $menu_item_db_id;
$post['post_status'] = 'draft' == $args['menu-item-status'] ? 'draft' : 'publish';
wp_update_post( $post );
}
do_action('wp_update_nav_menu_item', $menu_id, $menu_item_db_id, $args );
return $menu_item_db_id;