code: protected static function random($float_min, $float_max)
      {
  
          if ($float_max >= 0) {
              $r = new Random();
  
              while (true) {
                  $float_prov = $float_max * $r->get();
  
                  if ($float_prov >= $float_min) {
                      return $float_prov;
                  }
              }
          } else {
              $r = new Random();
  
              while (true) {
                  $float_prov = $float_min * $r->get();
  
                  if ($float_prov <= $float_max) {
                      return $float_prov;
                  }
              }
          }
      }
docs: Gets a random float numbers inside the given range.
  
  @param  float $float_min Minimal float value allowed
  @param  mixed $float_max Maximal float value allowed
  @static
  @access protected
  @return float