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<?php class ParentClass { public function fooBar(Foo $foo) { $something = $foo->toArray(); } } class ChildClass extends ParentClass { public function fooBar(Foo $foo = null) { $something = $foo->toArray(); } } $caller = new ChildClass; $caller->foobar();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to a member function toArray() on null in /in/FSXgR:15 Stack trace: #0 /in/FSXgR(20): ChildClass->fooBar() #1 {main} thrown in /in/FSXgR on line 15
Process exited with code 255.

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