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<?php $values = array('1','2'); var_dump(empty((array_filter('is_array', $values)))); var_dump(isset($values[0]), $values[0]); var_dump(isset($values[0][0]), $values[0][0]);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: array_filter(): Argument #1 ($array) must be of type array, string given in /in/oG9jV:3 Stack trace: #0 /in/oG9jV(3): array_filter('is_array', Array) #1 {main} thrown in /in/oG9jV on line 3
Process exited with code 255.

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