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<?php
/**
* This file is part of the fangface/yii2-concord package
*
* For the full copyright and license information, please view
* the file LICENSE.md that was distributed with this source code.
* @package fangface/yii2-concord
* @author Fangface <[email protected]>
* @copyright Copyright (c) 2014 Fangface <[email protected]>
* @license https://github.com/fangface/yii2-concord/blob/master/LICENSE.md MIT License
*/
namespace fangface\validators;
use yii\validators\DateValidator as YiiDateValidator;
use fangface\Tools;
* DateValidator extends default to allow for non validation of empty dates
* @author Fangface
class DateValidator extends YiiDateValidator
{
* Checks if the given value is empty.
* A value is considered empty if it is null, an empty array, or an empty string.
* We also treat some dates e.g. 0000-00-00 as empty
* Note that this method is different from PHP empty(). It will return false when the value is 0.
* @param mixed $value the value to be checked
* @return boolean whether the value is empty
public function isEmpty($value)
if ($this->isEmpty !== null) {
return call_user_func($this->isEmpty, $value);
} else {
return $value === null || $value === [] || $value === '' || $value === Tools::DATE_TIME_DB_EMPTY || $value === Tools::DATE_DB_EMPTY;
}
fangface /
yii2-concord
