3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $h = explode("|", strrev($b)); $d = explode("*", $h[0]); $b = $h[1]; for($i=0;$i<sizeof($d);$i++) { $b = str_replace($i, $d[$i], $b); } echo $b;
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined variable: b in /in/0FhTj on line 3 Notice: Undefined offset: 1 in /in/0FhTj on line 5
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined variable: b in /in/0FhTj on line 3 Notice: Undefined index: 1 in /in/0FhTj on line 5
Output for 5.0.4 - 5.2.17
Notice: Undefined variable: b in /in/0FhTj on line 3 Notice: Undefined offset: 1 in /in/0FhTj on line 5
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: b in /in/0FhTj on line 3 Notice: Undefined offset: 1 in /in/0FhTj on line 5