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<?php class A { public function map(array $routes = [], array $options = []) {} } class B extends A { public function map(array $routes = [], ?array $options = null) {} } $b = new B(); $b->map([], []); $b->map([], null); $a = new A(); $a->map([], []); $a->map([], null); // Fatal error
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: A::map(): Argument #2 ($options) must be of type array, null given, called in /in/OYbIf on line 17 and defined in /in/OYbIf:4 Stack trace: #0 /in/OYbIf(17): A->map(Array, NULL) #1 {main} thrown in /in/OYbIf on line 4
Process exited with code 255.

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