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

Starts the list before the elements are added.

Description Description

See also See also

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Parameters Parameters


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


(int) (Optional) Depth of category. Used for tab indentation. Default 0.


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

Default value: array()

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Source Source

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

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

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

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Changelog Changelog

Version Description
2.1.0 Introduced.

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