code: public static function camelize($value)
      {
          if (isset(self::$camelized[$value])) {
              return self::$camelized[$value];
          }
  
          return self::$camelized[$value] = lcfirst(self::classify($value));
      }
docs: Gets the lower camel case form of a string.
  
  @param string $value
  @return string