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view core/lib/Drupal/Core/DependencyInjection/ClassResolver.php @ 19:fa3358dc1485 tip
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author | Chris Cannam |
---|---|
date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 4c8ae668cc8c |
children |
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<?php namespace Drupal\Core\DependencyInjection; use Symfony\Component\DependencyInjection\ContainerAwareTrait; use Symfony\Component\DependencyInjection\ContainerAwareInterface; /** * Implements the class resolver interface supporting class names and services. */ class ClassResolver implements ClassResolverInterface, ContainerAwareInterface { use DependencySerializationTrait; use ContainerAwareTrait; /** * {@inheritdoc} */ 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; } }