3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function x($n) { for($i = 1; $i <= $n; $i++) { if ($n % $i == 0 && $i != $n) { $factors[] = $i; echo "$i "; } } return (array_sum($factors) == $n) ? printf "\[Perfect\]" : printf "\[Imperfect\]"; } x(42);
Output for 5.4.0 - 5.4.12
Parse error: syntax error, unexpected '"\[Perfect\]"' (T_CONSTANT_ENCAPSED_STRING) in /in/KvPV2 on line 9
Process exited with code 255.
Output for 5.3.0 - 5.3.22
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in /in/KvPV2 on line 9
Process exited with code 255.