3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = "sinoitator"; $b = "easy"; $c = "syuguoyrofrehpic"; $d = strrev($a); $e = strrev($c); $flag = $d+$b+$e; echo $flag; ?>
Output for 7.1.0 - 7.2.0
Warning: A non-numeric value encountered in /in/Fen7M on line 8 Warning: A non-numeric value encountered in /in/Fen7M on line 8 Warning: A non-numeric value encountered in /in/Fen7M on line 8 0
Output for 5.3.18 - 7.0.20
0