Classes List

Symfony\Component\Serializer\Normalizer\ObjectToPopulateTrait

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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\Serializer\Normalizer;

trait ObjectToPopulateTrait
{
    /** * Extract the `object_to_populate` field from the context if it exists * and is an instance of the provided $class. * * @param string $class The class the object should be * @param $context The denormalization context * @param string $key They in which to look for the object to populate. * Keeps backwards compatibility with `AbstractNormalizer`. * * @return object|null an object if things check out, null otherwise */
    protected function extractObjectToPopulate($classarray $context$key = null)
    {
        $key = $key ?: 'object_to_populate';

        if (isset($context[$key]) && is_object($context[$key]) && $context[$keyinstanceof $class) {
            return $context[$key];
        }

        return null;
    }
}