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<?php $groups = array(1,3,5,6,7,3,3,3,2,7,8); print_r(array_unique($groups),SORT_REGULAR);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 1 [1] => 3 [2] => 5 [3] => 6 [4] => 7 [8] => 2 [10] => 8 )

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