3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 123456789; echo $a[8]; $b = '123456789'; echo $b[8];
Output for 8.3.0 - 8.3.6
Warning: Trying to access array offset on int in /in/9n5eK on line 3 9
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/9n5eK on line 3 9
Output for 7.4.0 - 7.4.33
Notice: Trying to access array offset on value of type int in /in/9n5eK on line 3 9
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33
9
preferences:
237.13 ms | 405 KiB | 313 Q