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<?php function test(string $a) { return $a; } print test(['s', 'm', 'r', 't']);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Uncaught TypeError: test(): Argument #1 ($a) must be of type string, array given, called in /in/aRPga on line 7 and defined in /in/aRPga:3 Stack trace: #0 /in/aRPga(7): test(Array) #1 {main} thrown in /in/aRPga on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Argument 1 passed to test() must be of the type string, array given, called in /in/aRPga on line 7 and defined in /in/aRPga:3 Stack trace: #0 /in/aRPga(7): test(Array) #1 {main} thrown in /in/aRPga on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Catchable fatal error: Argument 1 passed to test() must be an instance of string, array given, called in /in/aRPga on line 7 and defined in /in/aRPga on line 3
Process exited with code 255.

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