3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = '2015/09/09'; $b = prge_replace('/([0-9]+)\/([0-9]+)\/([0-9]+)/','$2/$3/$1',$a); echo $b;
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Uncaught Error: Call to undefined function prge_replace() in /in/2b4JH:3 Stack trace: #0 {main} thrown in /in/2b4JH on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.25
Fatal error: Call to undefined function prge_replace() in /in/2b4JH on line 3
Process exited with code 255.
preferences:
204.99 ms | 402 KiB | 302 Q