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run code in 300+ PHP versions simultaneously
<?php class A { public static function test() { var_dump(self::class); } } class B extends A { } A::test(); B::test();
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(1) "A" string(1) "A"

preferences:
208.4 ms | 404 KiB | 326 Q