Automattic\WooCommerce\Vendor\Psr\Container

ContainerInterface::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: ContainerInterface{}

No Hooks.

Return

true|false.

Usage

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

ContainerInterface::has() code WC 9.8.2

woocommerce/lib/packages/Psr/Container/ContainerInterface.php 
public function has(string $id);