3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private function __invoke() { return 'foo'; } } $f = new Foo(); echo $f();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Warning: The magic method Foo::__invoke() must have public visibility in /in/To5XL on line 4 foo
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: The magic method __invoke() must have public visibility and cannot be static in /in/To5XL on line 4 foo
preferences:
136.88 ms | 407 KiB | 5 Q