3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $v = array(5, 2, 5, 15, 51); while ($v[$i]) { echo $v[$i]; $i++; }
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined variable: i in /in/cfOUv on line 3 Notice: Undefined index: in /in/cfOUv on line 3
Output for hhvm-3.13.2
Notice: Undefined variable: i in /in/cfOUv on line 3 Notice: Undefined variable: i in /in/cfOUv on line 3 Notice: Undefined index: in /in/cfOUv on line 3
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined index: in /in/cfOUv on line 3
Output for 5.0.4 - 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 - 5.0.3
Notice: Undefined variable: i in /in/cfOUv on line 3 Notice: Undefined index: in /in/cfOUv on line 3