3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function f($arg) { var_dump($arg); } f();
Output for 7.1.0 - 7.2.0
Fatal error: Uncaught ArgumentCountError: Too few arguments to function f(), 0 passed in /in/f07XW on line 7 and exactly 1 expected in /in/f07XW:3 Stack trace: #0 /in/f07XW(7): f() #1 {main} thrown in /in/f07XW on line 3
Process exited with code 255.
Output for 5.1.0 - 7.0.20
Warning: Missing argument 1 for f(), called in /in/f07XW on line 7 and defined in /in/f07XW on line 3 Notice: Undefined variable: arg in /in/f07XW on line 4 NULL
Output for 4.3.0 - 5.0.5
Warning: Missing argument 1 for f() in /in/f07XW on line 3 NULL