AlkantarClanX12
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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\Form\Util;
/**
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class FormUtil
{
/**
* This class should not be instantiated
*/
private function __construct() {}
/**
* Returns whether the given data is empty.
*
* This logic is reused multiple times throughout the processing of
* a form and needs to be consistent. PHP's keyword `empty` cannot
* be used as it also considers 0 and "0" to be empty.
*
* @param mixed $data
*
* @return Boolean
*/
public static function isEmpty($data)
{
// Should not do a check for array() === $data!!!
// This method is used in occurrences where arrays are
// not considered to be empty, ever.
return null === $data || '' === $data;
}
}