Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\VarDumper\Cloner;
Chris@0: 
Chris@0: /**
Chris@0:  * Represents the main properties of a PHP variable.
Chris@0:  *
Chris@0:  * @author Nicolas Grekas <p@tchwork.com>
Chris@0:  */
Chris@17: class Stub
Chris@0: {
Chris@0:     const TYPE_REF = 1;
Chris@0:     const TYPE_STRING = 2;
Chris@0:     const TYPE_ARRAY = 3;
Chris@0:     const TYPE_OBJECT = 4;
Chris@0:     const TYPE_RESOURCE = 5;
Chris@0: 
Chris@0:     const STRING_BINARY = 1;
Chris@0:     const STRING_UTF8 = 2;
Chris@0: 
Chris@0:     const ARRAY_ASSOC = 1;
Chris@0:     const ARRAY_INDEXED = 2;
Chris@0: 
Chris@0:     public $type = self::TYPE_REF;
Chris@0:     public $class = '';
Chris@0:     public $value;
Chris@0:     public $cut = 0;
Chris@0:     public $handle = 0;
Chris@0:     public $refCount = 0;
Chris@0:     public $position = 0;
Chris@17:     public $attr = [];
Chris@0: 
Chris@18:     private static $defaultProperties = [];
Chris@18: 
Chris@0:     /**
Chris@0:      * @internal
Chris@0:      */
Chris@17:     public function __sleep()
Chris@0:     {
Chris@18:         $properties = [];
Chris@17: 
Chris@18:         if (!isset(self::$defaultProperties[$c = \get_class($this)])) {
Chris@18:             self::$defaultProperties[$c] = get_class_vars($c);
Chris@0: 
Chris@18:             foreach ((new \ReflectionClass($c))->getStaticProperties() as $k => $v) {
Chris@18:                 unset(self::$defaultProperties[$c][$k]);
Chris@18:             }
Chris@18:         }
Chris@18: 
Chris@18:         foreach (self::$defaultProperties[$c] as $k => $v) {
Chris@18:             if ($this->$k !== $v) {
Chris@18:                 $properties[] = $k;
Chris@18:             }
Chris@18:         }
Chris@18: 
Chris@18:         return $properties;
Chris@0:     }
Chris@0: }