source/php/Helper/QueryEvents.php
public static function stringLimiter($string, $limit)
    {
        if (strlen($string) <= $limit || $limit == -1) {
            return $string;
        } else {
            $y = mb_substr($string, 0, $limit, "utf-8").'...';

            return $y;
        }
    }
public static function stringLimiter($string, $limit)
    {
        if (strlen($string) <= $limit || $limit == -1) {
            return $string;
        } else {
            $y = mb_substr($string, 0, $limit, "utf-8").'...';

            return $y;
        }
    }
Limits event description
@param  string $string content string to limit
@param  int    $limit  maximum number of letters
@return string