public function readDecimal() {
        $scale = $this->readInt();
        $value = $this->readVarint();
        $len = strlen($value);
        return substr($value, 0, $len - $scale) . '.' . substr($value, $len - $scale);
    }
public function readDecimal() {
        $scale = $this->readInt();
        $value = $this->readVarint();
        $len = strlen($value);
        return substr($value, 0, $len - $scale) . '.' . substr($value, $len - $scale);
    }
public function readDecimal ( ) { $ scale = $ this -> readInt ( ) ; $ value = $ this -> readVarint ( ) ; $ len = strlen ( $ value ) ; return substr ( $ value , 0 , $ len - $ scale ) . '.' . substr ( $ value , $ len - $ scale ) ; }
Read variable length decimal.

@return string
Read variable length decimal .