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

Starts the list before the elements are added.

Description

See also

Parameters

$output

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

$depth

(int) (Required) Depth of category. Used for tab indentation.

$args

(array) (Optional) An array of arguments. @see wp_terms_checklist()

Default value: array()

Source

File: wp-admin/includes/class-walker-category-checklist.php 

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

Changelog

Version Description
2.5.1 Introduced.

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