Walker_Page::start_lvl()

最后更新于：2021-11-26 07:12:20

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

参数

$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()

源文件

文件: gc-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}";
	}