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WordPress - Get Menu Parent ID
function get_menu_parent_ID($menu_name){
if(!isset($menu_name)){
return "No menu name provided in arguments";
}
$menu_slug = $menu_name;
$locations = get_nav_menu_locations();
$menu_id = $locations[$menu_slug];
$post_id = get_the_ID();
$menu_items = wp_get_nav_menu_items($menu_id);
$parent_item_id = wp_filter_object_list($menu_items,array('object_id'=>$post_id),'and','menu_item_parent');
$parent_item_id = array_shift( $parent_item_id );
function checkForParent($parent_item_id,$menu_items){
$parent_post_id = wp_filter_object_list( $menu_items, array( 'ID' => $parent_item_id ), 'and', 'object_id' );
$parent_item_id = wp_filter_object_list($menu_items,array('ID'=>$parent_item_id),'and','menu_item_parent');
$parent_item_id = array_shift( $parent_item_id );
if($parent_item_id=="0"){
$parent_post_id = array_shift($parent_post_id);
return $parent_post_id;
}else{
return checkForParent($parent_item_id,$menu_items);
}
}
if(!empty($parent_item_id)){
return checkForParent($parent_item_id,$menu_items);
}else{
return $post_id;
}
}
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