3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function test($a1, $a2) { if (!isset($a1)) { echo 'a1 unset'; } } test(true, true); test();
Output for 7.1.0 - 7.2.0
Fatal error: Uncaught ArgumentCountError: Too few arguments to function test(), 0 passed in /in/0DikS on line 9 and exactly 2 expected in /in/0DikS:2 Stack trace: #0 /in/0DikS(9): test() #1 {main} thrown in /in/0DikS on line 2
Process exited with code 255.
Output for 5.3.20 - 7.0.20
Warning: Missing argument 1 for test(), called in /in/0DikS on line 9 and defined in /in/0DikS on line 2 Warning: Missing argument 2 for test(), called in /in/0DikS on line 9 and defined in /in/0DikS on line 2 a1 unset