3v4l.org

run code in 500+ PHP versions simultaneously
<?php class A { function TestSelf(): self { return new self(); } function TestStatic(): self { return new static(); } function ShowType(){ printf("%s\n", get_class($this)); } } class B extends A { function More() {} } (new B)->TestSelf()->ShowType(); (new B)->TestStatic()->ShowType();
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
A B
preferences:
109.92 ms | 1548 KiB | 4 Q