Walker::get_number_of_root_elements() – Method

Walker::get_number_of_root_elements( array $elements ): int

Calculates the total number of root elements.

Parameters

$elementsarrayrequired: Elements to list.

Return

int Number of root elements.

More Information

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

Source

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;
}

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Used by	Description
get_comment_pages_count()`wp-includes/comment.php`	Calculates the total number of comment pages.

Changelog

Version	Description
2.7.0	Introduced.

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