3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 1; echo $foo[1];
Output for 8.3.0 - 8.3.7
Warning: Trying to access array offset on int in /in/qLQUI on line 4
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: Trying to access array offset on value of type int in /in/qLQUI on line 4
Output for 7.4.0 - 7.4.33
Notice: Trying to access array offset on value of type int in /in/qLQUI on line 4
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33
preferences:
161.55 ms | 402 KiB | 174 Q