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<?php class T1 {} class T2 extends T1 {} class A { /*readonly*/ public T1 $a; public function foo(T1 $a) { $this->a = $a; } } class B extends A { /*readonly*/ public T2 $a; } $foo = new B(); $foo->foo(new T1());
Output for git.master_jit, git.master
Fatal error: Type of B::$a must be T1 (as in class A) in /in/DQ3To on line 14 Stack trace: #0 {main}
Process exited with code 255.

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