3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public function __construct() { $this->callMe('self::methodName'); } public function callMe(callable $callback) { call_user_func($callback); } public function methodName() {} } new Foo();
Output for 8.2.0 - 8.2.17, 8.3.0 - 8.3.6
Deprecated: Use of "self" in callables is deprecated in /in/NXrAH on line 8 Deprecated: Use of "self" in callables is deprecated in /in/NXrAH on line 9
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.27
preferences:
107.87 ms | 402 KiB | 119 Q