3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x ('s','d') ; echo $x(0) ; ?>
based on ovYP8
Output for 7.0.0 - 7.2.0
Notice: Undefined variable: x in /in/dno9u on line 3 Fatal error: Uncaught Error: Function name must be a string in /in/dno9u:3 Stack trace: #0 {main} thrown in /in/dno9u on line 3
Process exited with code 255.
Output for 5.3.19 - 5.6.28
Notice: Undefined variable: x in /in/dno9u on line 3 Fatal error: Function name must be a string in /in/dno9u on line 3
Process exited with code 255.