Starts the list before the elements are added.

Description

See also

• Walker::start_lvl()

Parameters

$outputstringrequired

Used to append additional content. Passed by reference.

$depthintoptional

Depth of category. Used for tab indentation. Default 0.

$argsarrayoptional

An array of arguments. Will only append content if style argument value is 'list'. See wp_list_categories() .

More Arguments from wp_list_categories( … $args )

Array or string of arguments. See WP_Term_Query::__construct() for information on accepted arguments.

Default:array()

Source

public function start_lvl( &$output, $depth = 0, $args = array() ) {
	if ( 'list' !== $args['style'] ) {
		return;
	}

	$indent  = str_repeat( "\t", $depth );
	$output .= "$indent<ul class='children'>\n";
}

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