3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public static function a() { return new static(); } public static function b() { return new self(); } } var_dump(A::a()); #var_dump(A::b())
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18, 8.3.0 - 8.3.6
object(A)#1 (0) { }
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.29
Fatal error: Constructor A::a() cannot be static in /in/EMHro on line 15
Process exited with code 255.

preferences:
99.59 ms | 402 KiB | 86 Q