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<?php class TestParent { private $adsa = 'asd'; } class Test extends TestParent { private $test = 'asd2'; public function __sleep() { return array('test', 'adsa'); } } $a = new Test(); echo serialize($a);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: serialize(): "adsa" returned as member variable from __sleep() but does not exist in /in/iHnO8 on line 19 O:4:"Test":1:{s:10:"Testtest";s:4:"asd2";}
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: serialize(): "adsa" returned as member variable from __sleep() but does not exist in /in/iHnO8 on line 19 O:4:"Test":2:{s:10:"Testtest";s:4:"asd2";s:4:"adsa";N;}
Output for 7.3.32 - 7.3.33
O:4:"Test":2:{s:10:"Testtest";s:4:"asd2";s:4:"adsa";N;}
preferences:
211.47 ms | 401 KiB | 256 Q