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<?php $a = new DateTimeZone('UTC'); $a->meow = 'test'; $b = &$a->meow; echo serialize([[$a], $b]);
Output for 8.2.4 - 8.2.17, 8.3.0 - 8.3.4
Deprecated: Creation of dynamic property DateTimeZone::$meow is deprecated in /in/tS2L6 on line 4 a:2:{i:0;a:1:{i:0;O:12:"DateTimeZone":3:{s:13:"timezone_type";i:3;s:8:"timezone";s:3:"UTC";s:4:"meow";s:4:"test";}}i:1;s:4:"test";}
Output for 8.2.0 - 8.2.3
Deprecated: Creation of dynamic property DateTimeZone::$meow is deprecated in /in/tS2L6 on line 4 a:2:{i:0;a:1:{i:0;O:12:"DateTimeZone":2:{s:13:"timezone_type";i:3;s:8:"timezone";s:3:"UTC";}}i:1;s:4:"test";}
Output for 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 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27
a:2:{i:0;a:1:{i:0;O:12:"DateTimeZone":3:{s:4:"meow";s:4:"test";s:13:"timezone_type";i:3;s:8:"timezone";s:3:"UTC";}}i:1;s:4:"test";}
Output for 5.4.0 - 5.4.45
a:2:{i:0;a:1:{i:0;O:12:"DateTimeZone":1:{s:4:"meow";s:4:"test";}}i:1;s:4:"test";}
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/tS2L6 on line 6
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/tS2L6 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/tS2L6 on line 6
Process exited with code 255.

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