使用相同的键添加关联数组的元素

I have associative array like this

 $min_stats=
 array(2) 
{ 
[0]=> array(3) 
    { 
        ["minute"]=> object(MongoInt64)#13 (1) 
             { 
                ["value"]=> string(8) "10"
             } 
        ["add"]=> object(MongoInt64)#14 (1) 
            {
                 ["value"]=> string(1) "9"
            }
         ["tag"]=> object(MongoInt64)#15 (1) 
            {       
                ["value"]=> string(1) "4"
            }
     }
 [1]=> array(3) 
    { 
        ["minute"]=> object(MongoInt64)#13 (1) 
             { 
                ["value"]=> string(8) "11"
             } 
        ["add"]=> object(MongoInt64)#14 (1) 
            {
                 ["value"]=> string(1) "9"
            }
         ["tag"]=> object(MongoInt64)#15 (1) 
            {       
                ["value"]=> string(1) "5"
            }
    } 
} Array

Now I want to combine all the key-value pair in the array to get one array. The resulting array should be

array(11) 
    { 
        ["minute"]=> int(21) 
        ["add"]=> int(18) 
        ["tag"]=> int(9) 
     } Array

so for what I have written is

foreach ($min_stats as $k=>$subArray) {
          foreach ($subArray as $id=>$value) {
            $sumArray[$id]+=$value;
          }
        }

but its not giving me correct results, I don't know what I'm doing wrong? The $value is coming as 2 means its just counting the elements in the subarray. Thanks in advance for the help.

You can do it like this:

$finalArr = array();
foreach($array as $k1 => $v1){
    foreach($v1 as $k2=>$v2){
        if(!isset($finalArr[$k2])){
            $finalArr[$k2] = 0;
        }
        $finalArr[$k2] += $v2['value'];
    }
}

print_r($finalArr);

Output:

Array
(
    [minute] => 21
    [add] => 18
    [tag] => 9
)

Easy copy array for testing:

$array = array(
    array(
        'minute' => array(
            'value' => '10'
        ),
        'add' => array(
            'value' => '9'
        ),
        'tag' => array(
            'value' => '4'
        ),
    ),
    array(
        'minute' => array(
            'value' => '11'
        ),
        'add' => array(
            'value' => '9'
        ),
        'tag' => array(
            'value' => '5'
        ),
    )
);