Automattic\WooCommerce

Container::has() │ public │ WC 1.0

Returns true if the container can return an entry for the given identifier. Returns false otherwise.

has($id) returning true does not mean that get($id) will not throw an exception. It does however mean that get($id) will not throw a NotFoundExceptionInterface.

Method of the class: Container{}

No Hooks.

Return

true|false.

Usage

$Container = new Container();
$Container->has( $id ): bool;
$id(string) (required)
Identifier of the entry to look for.

Container::has() code WC 8.7.0

woocommerce/src/Container.php 
public function has( string $id ): bool {
	return $this->container->has( $id );
}