3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(0, 1, 2); echo $a[0]; echo $a[2]; echo $a[3];
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.21, 8.3.0 - 8.3.9
02 Warning: Undefined array key 3 in /in/3dh9m on line 6
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
02 Notice: Undefined offset: 3 in /in/3dh9m on line 6
Output for 7.3.32 - 7.3.33
02
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
02 Notice: Undefined offset: 3 in /in/3dh9m on line 6
preferences:
298.97 ms | 404 KiB | 466 Q