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<?php $one = array(array()); $second = array(array()); $res = array_diff($one, $second); var_dump($res);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Array to string conversion in /in/e0QuO on line 4 Warning: Array to string conversion in /in/e0QuO on line 4 array(0) { }

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