3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Stringable { public function __toString() { return "A"; } } //var_dump(preg_replace('#A#si','B',$x=new Stringable())); $a=new SplObjectStorage(); $a[new DateInterval('1y')]=7; echo(serialize($a));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Cannot declare class Stringable, because the name is already in use in /in/keLcS on line 3
Process exited with code 255.
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
Fatal error: Uncaught Exception: DateInterval::__construct(): Unknown or bad format (1y) in /in/keLcS:12 Stack trace: #0 /in/keLcS(12): DateInterval->__construct('1y') #1 {main} thrown in /in/keLcS on line 12
Process exited with code 255.
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Uncaught exception 'Exception' with message 'DateInterval::__construct(): Unknown or bad format (1y)' in /in/keLcS:12 Stack trace: #0 /in/keLcS(12): DateInterval->__construct('1y') #1 {main} thrown in /in/keLcS on line 12
Process exited with code 255.

preferences:
165.76 ms | 402 KiB | 268 Q