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<?php
declare(strict_types=1);
namespace Stratadox\Hydration\Mapping\Property;
use Stratadox\HydrationMapping\KeyedMapping;
use Stratadox\HydrationMapping\MappingFailure;
use function array_key_exists;
use function assert;
/**
* Behaviour to assert that the key is present in the data.
*
* @author Stratadox
*/
trait KeyRequiring
{
* Asserts that our key is present in the input array.
* @param mixed[] $data Input data that must contain our key.
* @throws MappingFailure When the input data does not contain our key.
private function mustHaveTheKeyInThe(array $data): void
$mapping = $this;
assert($mapping instanceof KeyedMapping);
if (!array_key_exists($mapping->key(), $data)) {
throw MissingTheKey::inTheInput($data, $mapping, $mapping->key());
}
Stratadox /
HydrationMapping
