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<?php $test = new DateTime('2016-01-01 00:00:00'); $a = (array) $test; unset($test); $new = DateTime::__set_state($a); var_dump($new->__serialize());
based on TcadZ
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined method DateTime::__serialize() in /in/5rQp8:11 Stack trace: #0 {main} thrown in /in/5rQp8 on line 11
Process exited with code 255.
Output for 5.3.21 - 5.6.28
Fatal error: Call to undefined method DateTime::__serialize() in /in/5rQp8 on line 11
Process exited with code 255.