3v4l.org

run code in 300+ PHP versions simultaneously
<?php function fn (&$var) { $var = $var - ($var/10 * 5); return $var; } echo fn(100);
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.27
Fatal error: Only variables can be passed by reference in /in/qvlGU on line 8
Process exited with code 255.
preferences:
181.78 ms | 1395 KiB | 64 Q