Walker::get_number_of_root_elements( array $elements )

Calculates the total number of root elements.


Parameters Parameters

$elements

(array) (Required) Elements to list.


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Return Return

(int) Number of root elements.


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More Information More Information

Counts the number of top-level items (no children or descendants) in the provided array, and returns that count.


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Source Source

File: wp-includes/class-wp-walker.php

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

		foreach ( $elements as $e ) {
			if ( 0 == $e->$parent_field ) {
				$num++;
			}
		}
		return $num;
	}


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Changelog Changelog

Changelog
Version Description
2.7.0 Introduced.

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