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run code in 300+ PHP versions simultaneously
) <?php class X { private $i = 'foo'; } class Y extends X { public $a, $b = 2; protected $c, $d = 'd'; private $e, $i = 'bar'; } echo $s = serialize(new Y); var_dump(unserialize($s));

preferences:
40.7 ms | 402 KiB | 5 Q