3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function x () {echo 'ok';} echo x(1,2,3,4,5); $a = array(NULL => 1); echo $a[NULL]; function a($x) {var_dump($x);}; a();
Output for 7.1.0 - 7.2.0
ok1 Fatal error: Uncaught ArgumentCountError: Too few arguments to function a(), 0 passed in /in/IgRns on line 5 and exactly 1 expected in /in/IgRns:5 Stack trace: #0 /in/IgRns(5): a() #1 {main} thrown in /in/IgRns on line 5
Process exited with code 255.
Output for 5.1.0 - 7.0.20
ok1 Warning: Missing argument 1 for a(), called in /in/IgRns on line 5 and defined in /in/IgRns on line 5 Notice: Undefined variable: x in /in/IgRns on line 5 NULL
Output for 4.3.0 - 5.0.5
ok1 Warning: Missing argument 1 for a() in /in/IgRns on line 5 NULL