3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $i = array (1, 2, 3, 4); $v = 0; $b = count($i)-1; for ($v; $v<=$b; $v++) { echo $a[$v]; } ?>
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: a in /in/u5Y41 on line 6 Notice: Undefined variable: a in /in/u5Y41 on line 6 Notice: Undefined variable: a in /in/u5Y41 on line 6 Notice: Undefined variable: a in /in/u5Y41 on line 6
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: a in /in/u5Y41 on line 6 Notice: Undefined variable: a in /in/u5Y41 on line 6 Notice: Undefined variable: a in /in/u5Y41 on line 6 Notice: Undefined variable: a in /in/u5Y41 on line 6