3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(date('invalid string'));
Output for 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, 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(58) "084000pmSunday0806 4530Sun, 06 Apr 2014 14:08:45 +02000842"
Output for 7.3.32 - 7.3.33, 8.0.13
string(59) "084000pmSunday0806 4530Sun, 06 Apr 2014 12:08:45 +000008412"
Output for 4.3.11, 4.4.0 - 4.4.9, 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
string(56) "084vpmSunday0806 4530Sun, 06 Apr 2014 14:08:45 +02000842"
Output for 4.3.0 - 4.3.10, 5.0.0 - 5.0.3
string(56) "084vpmSunday0806 4530Sun, 6 Apr 2014 14:08:45 +02000842"

preferences:
243.64 ms | 402 KiB | 388 Q