3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = function(&$arg) { echo "ok"; }; $z = 1; class MyContext {} $a->call(new MyContext, $z);
Output for 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Warning: MyContext::{closure:/in/SPse9:3}(): Argument #1 ($arg) must be passed by reference, value given in /in/SPse9 on line 6 ok
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30
Warning: MyContext::{closure}(): Argument #1 ($arg) must be passed by reference, value given in /in/SPse9 on line 6 ok
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Parameter 1 to MyContext::{closure}() expected to be a reference, value given in /in/SPse9 on line 6 ok
preferences:
94.57 ms | 1398 KiB | 4 Q