Alert: This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

WP_Posts_List_Table::_page_rows( array $children_pages, int $count, int $parent, int $level, int $pagenum, int $per_page, array $to_display )

Given a top level page ID, display the nested hierarchy of sub-pages together with paging support


Parameters Parameters

$children_pages

(array) (Required)

$count

(int) (Required)

$parent

(int) (Required)

$level

(int) (Required)

$pagenum

(int) (Required)

$per_page

(int) (Required)

$to_display

(array) (Required) List of pages to be displayed. Passed by reference.


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Source Source

File: wp-admin/includes/class-wp-posts-list-table.php

	private function _page_rows( &$children_pages, &$count, $parent, $level, $pagenum, $per_page, &$to_display ) {
		if ( ! isset( $children_pages[ $parent ] ) ) {
			return;
		}

		$start = ( $pagenum - 1 ) * $per_page;
		$end   = $start + $per_page;

		foreach ( $children_pages[ $parent ] as $page ) {
			if ( $count >= $end ) {
				break;
			}

			// If the page starts in a subtree, print the parents.
			if ( $count == $start && $page->post_parent > 0 ) {
				$my_parents = array();
				$my_parent  = $page->post_parent;
				while ( $my_parent ) {
					// Get the ID from the list or the attribute if my_parent is an object.
					$parent_id = $my_parent;
					if ( is_object( $my_parent ) ) {
						$parent_id = $my_parent->ID;
					}

					$my_parent    = get_post( $parent_id );
					$my_parents[] = $my_parent;
					if ( ! $my_parent->post_parent ) {
						break;
					}
					$my_parent = $my_parent->post_parent;
				}
				$num_parents = count( $my_parents );
				while ( $my_parent = array_pop( $my_parents ) ) {
					$to_display[ $my_parent->ID ] = $level - $num_parents;
					$num_parents--;
				}
			}

			if ( $count >= $start ) {
				$to_display[ $page->ID ] = $level;
			}

			$count++;

			$this->_page_rows( $children_pages, $count, $page->ID, $level + 1, $pagenum, $per_page, $to_display );
		}

		unset( $children_pages[ $parent ] ); // Required in order to keep track of orphans.
	}


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Changelog Changelog

Changelog
Version Description
4.2.0 Added the $to_display parameter.
3.1.0 Introduced.

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