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<?php declare(strict_types=1); |
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namespace League\Container\Definition; |
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use League\Container\Argument\{ |
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ArgumentResolverInterface, ArgumentResolverTrait, ClassNameInterface, RawArgumentInterface |
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}; |
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use League\Container\ContainerAwareTrait; |
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use ReflectionClass; |
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class Definition implements ArgumentResolverInterface, DefinitionInterface |
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{ |
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use ArgumentResolverTrait; |
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use ContainerAwareTrait; |
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/** |
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* @var string |
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*/ |
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protected $alias; |
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/** |
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* @var mixed |
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*/ |
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protected $concrete; |
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/** |
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* @var boolean |
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*/ |
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protected $shared = false; |
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/** |
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* @var array |
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*/ |
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protected $tags = []; |
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/** |
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* @var array |
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*/ |
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protected $arguments = []; |
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/** |
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* @var array |
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*/ |
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protected $methods = []; |
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/** |
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* @var mixed |
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*/ |
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protected $resolved; |
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/** |
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* Constructor. |
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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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public function __construct(string $id, $concrete = null) |
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{ |
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$concrete = $concrete ?? $id; |
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$this->alias = $id; |
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$this->concrete = $concrete; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function addTag(string $tag) : DefinitionInterface |
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{ |
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$this->tags[] = $tag; |
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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 hasTag(string $tag) : bool |
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{ |
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return in_array($tag, $this->tags); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setAlias(string $id) : DefinitionInterface |
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{ |
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$this->alias = $id; |
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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 getAlias() : string |
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{ |
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return $this->alias; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setShared(bool $shared = true) : DefinitionInterface |
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{ |
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$this->shared = $shared; |
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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 isShared() : bool |
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{ |
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return $this->shared; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getConcrete() |
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{ |
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return $this->concrete; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setConcrete($concrete): DefinitionInterface |
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{ |
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$this->concrete = $concrete; |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function addArgument($arg) : DefinitionInterface |
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{ |
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$this->arguments[] = $arg; |
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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 addArguments(array $args) : DefinitionInterface |
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{ |
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foreach ($args as $arg) { |
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$this->addArgument($arg); |
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} |
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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 addMethodCall(string $method, array $args = []) : DefinitionInterface |
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{ |
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$this->methods[] = [ |
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'method' => $method, |
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'arguments' => $args |
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]; |
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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 addMethodCalls(array $methods = []) : DefinitionInterface |
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{ |
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foreach ($methods as $method => $args) { |
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$this->addMethodCall($method, $args); |
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} |
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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 resolve(bool $new = false) |
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{ |
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$concrete = $this->concrete; |
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if ($this->isShared() && ! is_null($this->resolved) && $new === false) { |
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return $this->resolved; |
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} |
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if (is_callable($concrete)) { |
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$concrete = $this->resolveCallable($concrete); |
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} |
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if ($concrete instanceof RawArgumentInterface) { |
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$this->resolved = $concrete->getValue(); |
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return $concrete->getValue(); |
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} |
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if ($concrete instanceof ClassNameInterface) { |
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$concrete = $concrete->getValue(); |
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} |
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if (is_string($concrete) && class_exists($concrete)) { |
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$concrete = $this->resolveClass($concrete); |
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} |
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if (is_object($concrete)) { |
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$concrete = $this->invokeMethods($concrete); |
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} |
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$this->resolved = $concrete; |
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return $concrete; |
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} |
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/** |
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* Resolve a callable. |
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* |
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* @param callable $concrete |
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* |
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* @return mixed |
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*/ |
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protected function resolveCallable(callable $concrete) |
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{ |
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$resolved = $this->resolveArguments($this->arguments); |
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return call_user_func_array($concrete, $resolved); |
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} |
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/** |
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* Resolve a class. |
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* |
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* @param string $concrete |
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* |
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* @return object |
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*/ |
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protected function resolveClass(string $concrete) |
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{ |
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$resolved = $this->resolveArguments($this->arguments); |
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$reflection = new ReflectionClass($concrete); |
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return $reflection->newInstanceArgs($resolved); |
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} |
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/** |
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* Invoke methods on resolved instance. |
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* |
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* @param object $instance |
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* |
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* @return object |
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*/ |
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protected function invokeMethods($instance) |
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{ |
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foreach ($this->methods as $method) { |
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$args = $this->resolveArguments($method['arguments']); |
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call_user_func_array([$instance, $method['method']], $args); |
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} |
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return $instance; |
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} |
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} |
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