public ClassResolver::getInstanceFromDefinition($definition)
Returns a class instance with a given class definition.
In contrast to controllers you don't specify a method.
Parameters
string $definition: A class name or service name.
Return value
object The instance of the class.
Throws
\InvalidArgumentException If $class is not a valid service identifier and the class does not exist.
Overrides ClassResolverInterface::getInstanceFromDefinition
File
- core/lib/Drupal/Core/DependencyInjection/ClassResolver.php, line 18
Class
- ClassResolver
- Implements the class resolver interface supporting class names and services.
Namespace
Drupal\Core\DependencyInjection
Code
public function getInstanceFromDefinition($definition) { if ($this->container->has($definition)) { $instance = $this->container->get($definition); } else { if (!class_exists($definition)) { throw new \InvalidArgumentException(sprintf('Class "%s" does not exist.', $definition)); } if (is_subclass_of($definition, 'Drupal\Core\DependencyInjection\ContainerInjectionInterface')) { $instance = $definition::create($this->container); } else { $instance = new $definition(); } } if ($instance instanceof ContainerAwareInterface) { $instance->setContainer($this->container); } return $instance; }
Please login to continue.