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<?php $arr1 = [ 'Brian', 'A', 'Leo', 'A', 'Mike' ]; $arr2 = [ 1,2,3,4,5 ]; $set = []; foreach($arr1 as $key => $value){ if(!isset($set[$value])) $set[$value] = true; else{ unset($arr1[$key]); unset($arr2[$key]); } } print_r($arr1); print_r($arr2);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Brian [1] => A [2] => Leo [4] => Mike ) Array ( [0] => 1 [1] => 2 [2] => 3 [4] => 5 )

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