Determine repeat characters in a php string

Question

I have found many examples of how to find repeat characters in a string. I believe my requirement is unique.

I have string

$string=aabbbccffffd;
         


        

Answer 1

$data = "aabbbcccffffdz";
$array = str_split($data);
$v = array_count_values($array);
foreach($v as $k => $val){ 
        echo $k.' = '.$val.'
';
}