Question

How to merge two sorted arrays without duplicates in PHP

Answer 1

function merge($arr1, $arr2) {
    $mergedSet = array_unique(array_merge($arr1, $arr2));
    
    sort($mergedSet);
    
    return $mergedSet;
}

$arr1 = array(1, 2, 2, 3, 7, 7, 7, 8, 9);
$arr2 = array(0, 0, 4, 4, 4, 5, 6, 7, 7, 8);

$mergedArray = merge($arr1, $arr2);

echo implode(", ", $mergedArray);


  
/*
run:
   
0, 1, 2, 3, 4, 5, 6, 7, 8, 9
    
*/

 

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