Counting Values in Multidimensional Array

Question

I currently have the following array:

Array(
        [0] => Array
            (
                [user] => Name 1
                [group] => 1
               


        

Answer 1

$output = array();
  foreach($data as $key => $value){
    $output[$value['group']]['count']++;
}

$final = array();
foreach($output as $key => $value){
    $final[$key] = $value['count'];    
}

print_r($final);

//out put result:=========
Array(
    [1] => 2
    [2] => 2
    [3] => 1
)