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<?php $array = array(new stdClass, new stdClass, new stdClass); $compareFunction = function($a, $b) { return ($a === $b) ? 0 : (($a > $b) ? 1 : -1); }; var_dump(array_udiff($array, $array, $compareFunction));
Output for git.master, git.master_jit, rfc.property-hooks
array(0) { }

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