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
Since 2.1.0 | Introduced. |
Since 5.3.0 | Formalized the existing ...$args parameter by adding it to the function signature. |
Code of walk_category_dropdown_tree() walk category dropdown tree WP 5.6
function walk_category_dropdown_tree( ...$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 );
}