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run code in 300+ PHP versions simultaneously
<?php class Test { protected $attr = null; protected $attr2 = 1; public function getAttr2() { return $this->attr2; } } $test = new Test(); $test2 = base64_encode(serialize($test)); var_dump(unserialize(base64_decode('Tzo0OiJUZXN0IjoxOntzOjc6IgAqAGF0dHIiO047fQ==')));

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41.24 ms | 402 KiB | 5 Q