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<?php function test(integer $i) { return $i; } var_dump([ test("1"), test(1) ]);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: "integer" will be interpreted as a class name. Did you mean "int"? Write "\integer" to suppress this warning in /in/QYu9G on line 2 Fatal error: Uncaught TypeError: test(): Argument #1 ($i) must be of type integer, string given, called in /in/QYu9G on line 7 and defined in /in/QYu9G:2 Stack trace: #0 /in/QYu9G(7): test('1') #1 {main} thrown in /in/QYu9G on line 2
Process exited with code 255.

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