3v4l.org

run code in 300+ PHP versions simultaneously
<?php function x($n){for($i=1;$i<$n;$i++){if($n%$i==0){$f[]=$i;echo"$i ";}}echo array_sum($f)==$n?"P":"I");}x(42);
Output for 5.3.0 - 5.3.22, 5.4.0 - 5.4.12
Parse error: syntax error, unexpected ')', expecting ',' or ';' in /in/O1rd8 on line 1
Process exited with code 255.
preferences:
170.43 ms | 1395 KiB | 43 Q