public function ContainerBuilder::getAlias in Service Container 7.2

Same name and namespace in other branches

1. 7 modules/providers/service_container_symfony/lib/Symfony/Component/DependencyInjection/ContainerBuilder.php \Symfony\Component\DependencyInjection\ContainerBuilder::getAlias()

Gets an alias.

@api

Parameters

string $id The service identifier:

Return value

Alias An Alias instance

Throws

InvalidArgumentException if the alias does not exist

File

modules/providers/service_container_symfony/lib/Symfony/Component/DependencyInjection/ContainerBuilder.php, line 745

Class

ContainerBuilder

ContainerBuilder is a DI container that provides an API to easily describe services.

Namespace

Symfony\Component\DependencyInjection

Code

public function getAlias($id) {
  $id = strtolower($id);
  if (!isset($this->aliasDefinitions[$id])) {
    throw new InvalidArgumentException(sprintf('The service alias "%s" does not exist.', $id));
  }
  return $this->aliasDefinitions[$id];
}