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vendor/yiisoft/yii2/validators/DefaultValueValidator.php 1.48 KB
abf1649b   andryeyev   Чистая установка ...
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  <?php
  /**
   * @link http://www.yiiframework.com/
   * @copyright Copyright (c) 2008 Yii Software LLC
   * @license http://www.yiiframework.com/license/
   */
  
  namespace yii\validators;
  
  /**
   * DefaultValueValidator sets the attribute to be the specified default value.
   *
   * DefaultValueValidator is not really a validator. It is provided mainly to allow
   * specifying attribute default values when they are empty.
   *
   * @author Qiang Xue <qiang.xue@gmail.com>
   * @since 2.0
   */
  class DefaultValueValidator extends Validator
  {
      /**
       * @var mixed the default value or a PHP callable that returns the default value which will
       * be assigned to the attributes being validated if they are empty. The signature of the PHP callable
       * should be as follows,
       *
       * ```php
       * function foo($model, $attribute) {
       *     // compute value
       *     return $value;
       * }
       * ```
       */
      public $value;
      /**
       * @var boolean this property is overwritten to be false so that this validator will
       * be applied when the value being validated is empty.
       */
      public $skipOnEmpty = false;
  
  
      /**
       * @inheritdoc
       */
      public function validateAttribute($model, $attribute)
      {
          if ($this->isEmpty($model->$attribute)) {
              if ($this->value instanceof \Closure) {
                  $model->$attribute = call_user_func($this->value, $model, $attribute);
              } else {
                  $model->$attribute = $this->value;
              }
          }
      }
  }