123      * @param   int     $length    Length.
127     public function read($length)  argument
129         if (0 > $length) {
133                 $length
137         return fread($this->getStream(), $length);
143      * @param   int     $length    Length.
146     public function readString($length)  argument
148         return $this->read($length);
174      * @param   int     $length    Length.
177     public function readInteger($length = 1)  argument
179         return (int) $this->read($length);
185      * @param   int     $length    Length.
188     public function readFloat($length = 1)  argument
190         return (float) $this->read($length);