3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public static function b() { echo static::class; } } class B extends A { } $c = ['B', 'b']; $d = \Closure::fromCallable($c); $r = new \ReflectionFunction($d); var_dump($r->getClosureScopeClass()); $d();
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
object(ReflectionClass)#3 (1) { ["name"]=> string(1) "A" } B
preferences:
93.44 ms | 1245 KiB | 4 Q