3v4l.org

run code in 300+ PHP versions simultaneously
<?php phpversion() >= "7.0.1" or die(); $x = 'data'; echo $x['foo'];
Output for 7.0.1 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
Warning: Illegal string offset 'foo' in /in/OUPSp on line 5 d
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0
preferences:
89.16 ms | 401 KiB | 77 Q