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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Stdlib\Guard;
/**
* 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
* @throws \Exception
*/
protected function guardAgainstNull(
$data,
$dataName = 'Argument',
$exceptionClass = 'Zend\Stdlib\Exception\InvalidArgumentException'
) {
if (null === $data) {
$message = sprintf('%s cannot be null', $dataName);
throw new $exceptionClass($message);
}
}
}
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