get_page_hierarchy()
最后更新于:2021-11-26 11:02:25
get_page_hierarchy( GC_Post[]$pages, int$page_id)Order the pages with children under parents in a flat list.
参数
- $pages
-
(GC_Post[]) (Required) Posts array (passed by reference).
- $page_id
-
(int) (Optional) Parent page ID. Default 0.
响应
(string[]) Array of post names keyed by ID and arranged by hierarchy. Children immediately follow their parents.
源文件
文件: gc-includes/post.php
function get_page_hierarchy( &$pages, $page_id = 0 ) {
if ( empty( $pages ) ) {
return array();
}
$children = array();
foreach ( (array) $pages as $p ) {
$parent_id = (int) $p->post_parent;
$children[ $parent_id ][] = $p;
}
$result = array();
_page_traverse_name( $page_id, $children, $result );
return $result;
}