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annotate vendor/symfony/serializer/Normalizer/ObjectToPopulateTrait.php @ 19:fa3358dc1485 tip
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author | Chris Cannam |
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date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 129ea1e6d783 |
children |
rev | line source |
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Chris@14 | 1 <?php |
Chris@14 | 2 |
Chris@14 | 3 /* |
Chris@14 | 4 * This file is part of the Symfony package. |
Chris@14 | 5 * |
Chris@14 | 6 * (c) Fabien Potencier <fabien@symfony.com> |
Chris@14 | 7 * |
Chris@14 | 8 * For the full copyright and license information, please view the LICENSE |
Chris@14 | 9 * file that was distributed with this source code. |
Chris@14 | 10 */ |
Chris@14 | 11 |
Chris@14 | 12 namespace Symfony\Component\Serializer\Normalizer; |
Chris@14 | 13 |
Chris@14 | 14 trait ObjectToPopulateTrait |
Chris@14 | 15 { |
Chris@14 | 16 /** |
Chris@14 | 17 * Extract the `object_to_populate` field from the context if it exists |
Chris@14 | 18 * and is an instance of the provided $class. |
Chris@14 | 19 * |
Chris@14 | 20 * @param string $class The class the object should be |
Chris@14 | 21 * @param $context The denormalization context |
Chris@14 | 22 * @param string $key They in which to look for the object to populate. |
Chris@14 | 23 * Keeps backwards compatibility with `AbstractNormalizer`. |
Chris@14 | 24 * |
Chris@14 | 25 * @return object|null an object if things check out, null otherwise |
Chris@14 | 26 */ |
Chris@14 | 27 protected function extractObjectToPopulate($class, array $context, $key = null) |
Chris@14 | 28 { |
Chris@14 | 29 $key = $key ?: 'object_to_populate'; |
Chris@14 | 30 |
Chris@17 | 31 if (isset($context[$key]) && \is_object($context[$key]) && $context[$key] instanceof $class) { |
Chris@14 | 32 return $context[$key]; |
Chris@14 | 33 } |
Chris@14 | 34 |
Chris@14 | 35 return null; |
Chris@14 | 36 } |
Chris@14 | 37 } |