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<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\DependencyInjection\Loader\Configurator\Traits; use Symfony\Component\DependencyInjection\ChildDefinition; use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException; trait ParentTrait { /** * Sets the Definition to inherit from. * * @return $this * * @throws InvalidArgumentException when parent cannot be set */ final public function parent(string $parent): static { if (!$this->allowParent) { throw new InvalidArgumentException(\sprintf('A parent cannot be defined when either "_instanceof" or "_defaults" are also defined for service prototype "%s".', $this->id)); } if ($this->definition instanceof ChildDefinition) { $this->definition->setParent($parent); } else { // cast Definition to ChildDefinition $definition = serialize($this->definition); $definition = substr_replace($definition, '53', 2, 2); $definition = substr_replace($definition, 'Child', 44, 0); $definition = unserialize($definition); $this->definition = $definition->setParent($parent); } return $this; } }