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<?php trait T { public function test() {} } class C { use T; } function test(T $x) {} test(new C);
Output for 8.0.0 - 8.0.15, 8.1.0 - 8.1.2
Fatal error: Uncaught TypeError: test(): Argument #1 ($x) must be of type T, C given, called in /in/0KcVF on line 10 and defined in /in/0KcVF:8 Stack trace: #0 /in/0KcVF(10): test(Object(C)) #1 {main} thrown in /in/0KcVF on line 8
Process exited with code 255.
Output for 7.0.33, 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.27
Fatal error: Uncaught TypeError: Argument 1 passed to test() must be an instance of T, instance of C given, called in /in/0KcVF on line 10 and defined in /in/0KcVF:8 Stack trace: #0 /in/0KcVF(10): test(Object(C)) #1 {main} thrown in /in/0KcVF on line 8
Process exited with code 255.
Output for 5.6.38
Catchable fatal error: Argument 1 passed to test() must be an instance of T, instance of C given, called in /in/0KcVF on line 10 and defined in /in/0KcVF on line 8
Process exited with code 255.

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