3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo (new \DateTime())->format('yyMM');
Output for 5.6.28, 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
1515DecDec
Output for 5.5.24, 5.5.35, 5.6.21, 7.0.6
1616MayMay
Output for 5.5.25 - 5.5.30, 5.5.34, 5.6.8 - 5.6.14, 5.6.20, 7.0.5
1616AprApr
Output for 5.5.31 - 5.5.33, 5.6.15 - 5.6.19, 7.0.0 - 7.0.4
1616MarMar

preferences:
135.25 ms | 402 KiB | 177 Q