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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
387 | update_post_meta( $menu_item_db_id, '_menu_item_classes', $args['menu-item-classes'] ); |
388 | update_post_meta( $menu_item_db_id, '_menu_item_xfn', $args['menu-item-xfn'] ); |
389 | update_post_meta( $menu_item_db_id, '_menu_item_url', esc_url_raw($args['menu-item-url']) ); |
390 |
|
391 | if ( 0 == $menu_id ) |
392 | update_post_meta( $menu_item_db_id, '_menu_item_orphaned', time() ); |
393 | else |
394 | delete_post_meta( $menu_item_db_id, '_menu_item_orphaned' ); |
395 |
|
396 | do_action('wp_update_nav_menu_item', $menu_id, $menu_item_db_id, $args ); |
397 |
|
398 | return $menu_item_db_id; |
399 | } |
400 |
|
401 | /** |
402 | * Returns all navigation menu objects. |
403 | * |
404 | * @since 3.0.0 |
405 | * |