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<?php function f (A $a) {} function g (A $a = null) {} f(null); g(null);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught TypeError: f(): Argument #1 ($a) must be of type A, null given, called in /in/fiivl on line 6 and defined in /in/fiivl:3 Stack trace: #0 /in/fiivl(6): f(NULL) #1 {main} thrown in /in/fiivl on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Argument 1 passed to f() must be an instance of A, null given, called in /in/fiivl on line 6 and defined in /in/fiivl:3 Stack trace: #0 /in/fiivl(6): f(NULL) #1 {main} thrown in /in/fiivl on line 3
Process exited with code 255.
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Catchable fatal error: Argument 1 passed to f() must be an instance of A, null given, called in /in/fiivl on line 6 and defined in /in/fiivl on line 3
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Fatal error: Argument 1 passed to f() must not be null, called in /in/fiivl on line 6 and defined in /in/fiivl on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Argument 1 must not be null in /in/fiivl on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/fiivl on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting ')' in /in/fiivl on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/fiivl on line 3
Process exited with code 255.

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