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get_page_hierarchy › WordPress Function

Seit2.0.0
Veraltetn/v
› get_page_hierarchy ( $pages, $page_id = 0 )
Parameter: (2)
  • (WP_Post[]) $pages Posts array (passed by reference).
    Erforderlich: Ja
  • (int) $page_id Optional. Parent page ID. Default 0.
    Erforderlich: Nein
    Standard: —
Gibt zurück:
  • (string[]) Array of post names keyed by ID and arranged by hierarchy. Children immediately follow their parents.
Definiert in:
Codex:

Orders the pages with children under parents in a flat list.

It uses auxiliary structure to hold parent-children relationships and runs in O(N) complexity


Ähnliche Funktionen: get_template_hierarchy, _get_term_hierarchy, get_page_uri, get_page_link, _get_page_link

Quellcode 

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;
}