3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump( arsort( array( 'c' => 100, 'a' => 300, 'b' => 50, 'd' => 250) ) );
Output for 5.3.0 - 5.4.11
Fatal error: Only variables can be passed by reference in /in/g34PU on line 3
Process exited with code 255.