3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo($str) { } foo();
Output for 7.1.0 - 7.2.0
Fatal error: Uncaught ArgumentCountError: Too few arguments to function foo(), 0 passed in /in/AE1FL on line 8 and exactly 1 expected in /in/AE1FL:3 Stack trace: #0 /in/AE1FL(8): foo() #1 {main} thrown in /in/AE1FL on line 3
Process exited with code 255.
Output for 5.3.18 - 7.0.20
Warning: Missing argument 1 for foo(), called in /in/AE1FL on line 8 and defined in /in/AE1FL on line 3