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<?php declare(strict_types=1); |
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namespace League\Container; |
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use League\Container\Definition\{DefinitionAggregate, DefinitionInterface, DefinitionAggregateInterface}; |
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use League\Container\Exception\NotFoundException; |
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use League\Container\Inflector\{InflectorAggregate, InflectorInterface, InflectorAggregateInterface}; |
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use League\Container\ServiceProvider\{ServiceProviderAggregate, ServiceProviderAggregateInterface}; |
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use Psr\Container\ContainerInterface; |
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class Container implements ContainerInterface |
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{ |
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/** |
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* @var boolean |
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*/ |
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protected $defaultToShared = false; |
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/** |
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* @var \League\Container\Definition\DefinitionAggregateInterface |
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*/ |
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protected $definitions; |
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/** |
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* @var \League\Container\ServiceProvider\ServiceProviderAggregateInterface |
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*/ |
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protected $providers; |
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/** |
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* @var \League\Container\Inflector\InflectorAggregateInterface |
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*/ |
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protected $inflectors; |
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/** |
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* @var \Psr\Container\ContainerInterface[] |
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*/ |
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protected $delegates = []; |
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/** |
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* Construct. |
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* |
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* @param \League\Container\Definition\DefinitionAggregateInterface|null $definitions |
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* @param \League\Container\ServiceProvider\ServiceProviderAggregateInterface|null $providers |
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* @param \League\Container\Inflector\InflectorAggregateInterface|null $inflectors |
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*/ |
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public function __construct( |
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DefinitionAggregateInterface $definitions = null, |
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ServiceProviderAggregateInterface $providers = null, |
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InflectorAggregateInterface $inflectors = null |
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) { |
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$this->definitions = $definitions ?? (new DefinitionAggregate); |
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$this->providers = $providers ?? (new ServiceProviderAggregate); |
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$this->inflectors = $inflectors ?? (new InflectorAggregate); |
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if ($this->definitions instanceof ContainerAwareInterface) { |
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$this->definitions->setContainer($this); |
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} |
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if ($this->providers instanceof ContainerAwareInterface) { |
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$this->providers->setContainer($this); |
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} |
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if ($this->inflectors instanceof ContainerAwareInterface) { |
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$this->inflectors->setContainer($this); |
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} |
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} |
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/** |
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* Add an item to the container. |
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* |
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* @param string $id |
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* @param mixed $concrete |
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* @param boolean $shared |
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* |
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* @return \League\Container\Definition\DefinitionInterface |
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*/ |
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public function add(string $id, $concrete = null, bool $shared = false) : DefinitionInterface |
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{ |
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$concrete = $concrete ?? $id; |
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$shared = ($this->defaultToShared === true || $shared === true); |
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return $this->definitions->add($id, $concrete, $shared); |
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} |
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/** |
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* Proxy to add with shared as true. |
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* |
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* @param string $id |
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* @param mixed $concrete |
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* |
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* @return \League\Container\Definition\DefinitionInterface |
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*/ |
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public function share(string $id, $concrete = null) : DefinitionInterface |
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{ |
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return $this->add($id, $concrete, true); |
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} |
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/** |
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* Whether the container should default to defining shared definitions. |
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* |
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* @param boolean $shared |
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* |
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* @return self |
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*/ |
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public function defaultToShared(bool $shared = true) : ContainerInterface |
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{ |
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$this->defaultToShared = $shared; |
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return $this; |
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} |
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/** |
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* Get a definition to extend. |
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* |
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* @param string $id [description] |
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* |
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* @return \League\Container\Definition\DefinitionInterface |
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*/ |
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public function extend(string $id) : DefinitionInterface |
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{ |
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if ($this->providers->provides($id)) { |
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$this->providers->register($id); |
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} |
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if ($this->definitions->has($id)) { |
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return $this->definitions->getDefinition($id); |
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} |
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throw new NotFoundException( |
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sprintf('Unable to extend alias (%s) as it is not being managed as a definition', $id) |
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); |
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} |
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/** |
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* Add a service provider. |
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* |
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* @param \League\Container\ServiceProvider\ServiceProviderInterface|string $provider |
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* |
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* @return self |
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*/ |
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public function addServiceProvider($provider) : self |
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{ |
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$this->providers->add($provider); |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get($id, bool $new = false) |
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{ |
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if ($this->definitions->has($id)) { |
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$resolved = $this->definitions->resolve($id, $new); |
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return $this->inflectors->inflect($resolved); |
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} |
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if ($this->definitions->hasTag($id)) { |
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$arrayOf = $this->definitions->resolveTagged($id); |
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array_walk($arrayOf, function (&$resolved) { |
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$resolved = $this->inflectors->inflect($resolved); |
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}); |
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return $arrayOf; |
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} |
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if ($this->providers->provides($id)) { |
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$this->providers->register($id); |
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return $this->get($id, $new); |
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} |
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foreach ($this->delegates as $delegate) { |
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if ($delegate->has($id)) { |
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$resolved = $delegate->get($id); |
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return $this->inflectors->inflect($resolved); |
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} |
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} |
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throw new NotFoundException(sprintf('Alias (%s) is not being managed by the container or delegates', $id)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function has($id) : bool |
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{ |
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if ($this->definitions->has($id)) { |
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return true; |
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} |
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if ($this->definitions->hasTag($id)) { |
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return true; |
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} |
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if ($this->providers->provides($id)) { |
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return true; |
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} |
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foreach ($this->delegates as $delegate) { |
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if ($delegate->has($id)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Allows for manipulation of specific types on resolution. |
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* |
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* @param string $type |
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* @param callable|null $callback |
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* |
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* @return \League\Container\Inflector\InflectorInterface |
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*/ |
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public function inflector(string $type, callable $callback = null) : InflectorInterface |
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{ |
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return $this->inflectors->add($type, $callback); |
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} |
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/** |
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* Delegate a backup container to be checked for services if it |
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* cannot be resolved via this container. |
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* |
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* @param \Psr\Container\ContainerInterface $container |
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* |
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* @return self |
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*/ |
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public function delegate(ContainerInterface $container) : self |
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{ |
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$this->delegates[] = $container; |
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if ($container instanceof ContainerAwareInterface) { |
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$container->setContainer($this); |
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} |
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return $this; |
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} |
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} |
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