Question

How to merge two key values arrays without duplicate keys in PHP

Answer 1

$arr1 = array('a' => 1, 'b' => 2, 'b' => 3);
$arr2 = array('b' => 4, 'c' => 1, 'c' => 2, 'd' => 1);
$merge = $arr1 + $arr2;

print_r($merge);


  
/*
run:
  
Array
(
    [a] => 1
    [b] => 3
    [c] => 2
    [d] => 1
)
  
*/

 

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