3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function x($n) { for($i = 1; $i <= $n; $i++) { $n % $i == 0 && $i != $n ? $factors[]=$i; } array_sum($factors) == $n ? printf('P') : printf('I'); } x(28);
Output for 5.3.0 - 5.4.12
Parse error: syntax error, unexpected ';' in /in/rLtBY on line 4
Process exited with code 255.