function ContainerBuilder::findDefinition

Gets a service definition by id or alias.

The method "unaliases" recursively to return a Definition instance.

Throws

ServiceNotFoundException if the service definition does not exist

File

vendor/symfony/dependency-injection/ContainerBuilder.php, line 1055

Class

ContainerBuilder

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

Namespace

Symfony\Component\DependencyInjection

Code

public function findDefinition(string $id) : Definition {
    $seen = [];
    while (isset($this->aliasDefinitions[$id])) {
        $id = (string) $this->aliasDefinitions[$id];
        if (isset($seen[$id])) {
            $seen = array_values($seen);
            $seen = \array_slice($seen, array_search($id, $seen));
            $seen[] = $id;
            throw new ServiceCircularReferenceException($id, $seen);
        }
        $seen[$id] = $id;
    }
    return $this->getDefinition($id);
}