walk_category_dropdown_tree() WP 2.1.0

Retrieves HTML dropdown (select) content for category list.

No Hooks.

Return

String.

Usage

walk_category_dropdown_tree( ...$args );

...$args(mixed) (required)

Elements array, maximum hierarchical depth and optional additional arguments.

Notes

• See: Walker::walk() for parameters and return description.

Changelog

Code of walk_category_dropdown_tree() walk category dropdown tree ^{WP 5.6}

<?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 );
}