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<?php trait MyTrait { abstract public function traitMethod($param): bool; } class ChildClass { use MyTrait; public function traitMethod(int $param): bool { // change trait method parameter type // implementation } }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Fatal error: Declaration of ChildClass::traitMethod(int $param): bool must be compatible with MyTrait::traitMethod($param): bool in /in/l1bpJ on line 11
Process exited with code 255.
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
preferences:
154.52 ms | 407 KiB | 5 Q