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<?php function test (Traversable $test) { foreach($test as $t)echo $t; } test(['a']);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: test(): Argument #1 ($test) must be of type Traversable, array given, called in /in/lZT4g on line 8 and defined in /in/lZT4g:3 Stack trace: #0 /in/lZT4g(8): test(Array) #1 {main} thrown in /in/lZT4g on line 3
Process exited with code 255.

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