@ 2014-09-02T15:44:39Z <?php
abstract class A {
private $x;
final public function __sleep() {
return array_keys(get_object_vars($this));
}
}
class B extends A {}
var_dump(serialize(new B));
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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(): "x" returned as member variable from __sleep() but does not exist in /in/mTZpa on line 12
string(12) "O:1:"B":0:{}"
Output for 5.2.4 - 5.2.17 , 5.3.0 - 5.3.29 , 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(): "x" returned as member variable from __sleep() but does not exist in /in/mTZpa on line 12
string(22) "O:1:"B":1:{s:1:"x";N;}"
Output for 7.3.32 - 7.3.33 string(22) "O:1:"B":1:{s:1:"x";N;}"
Output for 5.0.0 - 5.0.4 , 5.1.0 - 5.1.6 , 5.2.0 - 5.2.3 string(12) "O:1:"B":0:{}"
Output for 5.0.5 Process exited with code 139 . Output for 4.4.2 - 4.4.9 Parse error: syntax error, unexpected T_CLASS in /in/mTZpa on line 3
Process exited with code 255 . Output for 4.3.0 - 4.3.1 , 4.3.5 - 4.3.11 , 4.4.0 - 4.4.1 Parse error: parse error, unexpected T_CLASS in /in/mTZpa on line 3
Process exited with code 255 . Output for 4.3.2 - 4.3.4 Parse error: parse error in /in/mTZpa on line 3
Process exited with code 255 . preferences:dark mode live preview
219.63 ms | 401 KiB | 341 Q