<?php
class Foo
{
public $callable;
}
class Bar
{
public function __invoke()
{
echo 'DO IT';
}
}
$foo = new Foo;
$foo->callable = new Bar;
($foo->callable)();
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
DO IT