Fix datatype associative array

UtilityService.php

<?php

public static function correctTypes($arr) {
    foreach ($arr as $key => $value) {
        if(is_numeric($value))
            $arr[$key] = (int) $value;
        elseif(is_array($value))
            $arr[$key] = self::correctTypes($value);
    }

    return $arr;
}