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Walker_Page::start_lvl( string $output, int $depth, array $args = array() )

Outputs the beginning of the current level in the tree before elements are output.

Description

See also

Parameters

$output

(string) (Required) Used to append additional content (passed by reference).

$depth

(int) (Optional) Depth of page. Used for padding. Default 0.

$args

(array) (Optional) Arguments for outputting the next level.

Default value: array()

Source

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

public function start_lvl( &$output, $depth = 0, $args = array() ) {
		if ( isset( $args['item_spacing'] ) && 'preserve' === $args['item_spacing'] ) {
			$t = "\t";
			$n = "\n";
		} else {
			$t = '';
			$n = '';
		}
		$indent  = str_repeat( $t, $depth );
		$output .= "{$n}{$indent}<ul class='children'>{$n}";
	}

Changelog

Version Description
2.1.0 Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/walker_page/start_lvl