walk_page_dropdown_tree() │ WP 2.1.0

Retrieves HTML dropdown (select) content for page list.

No Hooks.

Returns

String.

Usage

walk_page_dropdown_tree( ...$args );
...$args(mixed) (required)
Elements array, maximum hierarchical depth and optional additional arguments.

Notes

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

Changelog

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

walk_page_dropdown_tree() code WP 6.9.1

wp-includes/post-template.php 
function walk_page_dropdown_tree( ...$args ) {
	if ( empty( $args[2]['walker'] ) ) { // The user's options are the third parameter.
		$walker = new Walker_PageDropdown();
	} else {
		/**
		 * @var Walker $walker
		 */
		$walker = $args[2]['walker'];
	}

	return $walker->walk( ...$args );
}