3v4l.org

run code in 300+ PHP versions simultaneously
<?php $v = array(5, 2, 5, 15, 51); while ($v[$i]) { echo $v[$i]; $i++; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $i in /in/cfOUv on line 3 Warning: Undefined array key "" in /in/cfOUv on line 3
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: i in /in/cfOUv on line 3 Notice: Undefined index: in /in/cfOUv on line 3
Output for 7.3.32 - 7.3.33, 7.4.26
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Notice: Undefined variable: i in /in/cfOUv on line 3 Notice: Undefined index: in /in/cfOUv on line 3
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: i in /in/cfOUv on line 3 Notice: Undefined index: in /in/cfOUv on line 3
preferences:
253.05 ms | 402 KiB | 371 Q