Walker::get_number_of_root_elements()

最后更新于：2021-11-26 05:25:20

Calculates the total number of root elements.

参数

$elements

(array) (Required) Elements to list.

响应

(int) Number of root elements.

源文件

文件: gc-includes/class-gc-walker.php

	public function get_number_of_root_elements( $elements ) {
		$num          = 0;
		$parent_field = $this->db_fields['parent'];

		foreach ( $elements as $e ) {
			if ( empty( $e->$parent_field ) ) {
				$num++;
			}
		}
		return $num;
	}