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<?php ini_set('display_errors', true); ini_set('error_reporting', E_ALL); function foo(integer $a) { return ++$a; } echo foo(6);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: "integer" will be interpreted as a class name. Did you mean "int"? Write "\integer" to suppress this warning in /in/vcMJk on line 7 Fatal error: Uncaught TypeError: foo(): Argument #1 ($a) must be of type integer, int given, called in /in/vcMJk on line 9 and defined in /in/vcMJk:7 Stack trace: #0 /in/vcMJk(9): foo(6) #1 {main} thrown in /in/vcMJk on line 7
Process exited with code 255.
Output for 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Argument 1 passed to foo() must be an instance of integer, int given, called in /in/vcMJk on line 9 and defined in /in/vcMJk:7 Stack trace: #0 /in/vcMJk(9): foo(6) #1 {main} thrown in /in/vcMJk on line 7
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
Fatal error: Uncaught TypeError: Argument 1 passed to foo() must be an instance of integer, integer given, called in /in/vcMJk on line 9 and defined in /in/vcMJk:7 Stack trace: #0 /in/vcMJk(9): foo(6) #1 {main} thrown in /in/vcMJk on line 7
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Catchable fatal error: Argument 1 passed to foo() must be an instance of integer, integer given, called in /in/vcMJk on line 9 and defined in /in/vcMJk on line 7
Process exited with code 255.

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