walk_category_dropdown_tree( mixed $args )

Retrieves HTML dropdown (select) content for category list.

Description

See also

Parameters

$args

(mixed) (Required) Elements array, maximum hierarchical depth and optional additional arguments.

Return

(string)

Source

File: wp-includes/category-template.php

function walk_category_dropdown_tree( ...$args ) {
	// The user's options are the third parameter.
	if ( empty( $args[2]['walker'] ) || ! ( $args[2]['walker'] instanceof Walker ) ) {
		$walker = new Walker_CategoryDropdown;
	} else {
		/**
		 * @var Walker $walker
		 */
		$walker = $args[2]['walker'];
	}
	return $walker->walk( ...$args );
}

Changelog

Version Description
5.3.0 Formalized the existing ...$args parameter by adding it to the function signature.
2.1.0 Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/walk_category_dropdown_tree