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<?php
declare(strict_types=1);
namespace Laminas\Stdlib\Guard;
use Exception;
use Laminas\Stdlib\Exception\InvalidArgumentException;
use function sprintf;
/**
* Provide a guard method against null data
*/
trait NullGuardTrait
{
/**
* Verify that the data is not null
*
* @param mixed $data the data to verify
* @param string $dataName the data name
* @param string $exceptionClass FQCN for the exception
* @return void
* @throws Exception
*/
protected function guardAgainstNull(
$data,
$dataName = 'Argument',
$exceptionClass = InvalidArgumentException::class
) {
if (null === $data) {
$message = sprintf('%s cannot be null', $dataName);
throw new $exceptionClass($message);
}
}
}
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