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<?php $arr1 = [1,2,3,4,5,6]; $arr2 = [1,2,4,5]; $arr3 = [1,2,3,5]; $arr4 = array(); var_dump(array_values(array_diff($arr1,$arr2)));
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> int(3) [1]=> int(6) }

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