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run code in 500+ PHP versions simultaneously
<?php class A { public static function getSelfInstance() : self { return new self(); } /** @return static */ public static function getStaticInstance(): self { return new static(); } } class B extends A {} var_dump(get_class(B::getSelfInstance())); var_dump(get_class(B::getStaticInstance()));
Output for 7.1.26 - 7.1.33, 7.2.17 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
string(1) "A" string(1) "B"
preferences:
86.65 ms | 1466 KiB | 4 Q