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<?php namespace Something; function test(Callable $foo) { $foo('ok'); } test('print');
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: Something\test(): Argument #1 ($foo) must be of type callable, string given, called in /in/hsZ83 on line 8 and defined in /in/hsZ83:4 Stack trace: #0 /in/hsZ83(8): Something\test('print') #1 {main} thrown in /in/hsZ83 on line 4
Process exited with code 255.

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