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run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode(new DateTime('2015-05-03 12:25:31.356')));
Output for 5.4.30 - 5.4.45, 5.5.14 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(86) "{"date":"2015-05-03 12:25:31.356000","timezone_type":3,"timezone":"Europe\/Amsterdam"}"
Output for 7.3.32 - 7.3.33, 8.0.13
string(72) "{"date":"2015-05-03 12:25:31.356000","timezone_type":3,"timezone":"UTC"}"
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.29, 5.5.0 - 5.5.13
string(79) "{"date":"2015-05-03 12:25:31","timezone_type":3,"timezone":"Europe\/Amsterdam"}"
Output for 5.2.0 - 5.2.17
string(2) "{}"
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/PU34P on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/PU34P on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/PU34P on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/PU34P on line 3

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