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run code in 200+ 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 "; } } if ($n == array_sum($factors)): echo "[Perfect]";? echo "[Imperfect]"; } x(42);
Output for 5.3.0 - 5.4.12
Parse error: syntax error, unexpected '?' in 7rsnD on line 10
Process exited with code 255.