src/Server/Asyn/MQTT/Utility.php
static public function EncodeLength($length)
    {
        self::CheckMessageLength($length);

        $string = "";
        do{
            $digit = $length % 0x80;
            $length = $length >> 7;
            // if there are more digits to encode, set the top bit of this digit
            if ( $length > 0 ) $digit = ($digit | 0x80);
            $string .= chr($digit);
        } while ( $length > 0 );

        return $string;
    }
static public function EncodeLength($length)
    {
        self::CheckMessageLength($length);

        $string = "";
        do{
            $digit = $length % 0x80;
            $length = $length >> 7;
            // if there are more digits to encode, set the top bit of this digit
            if ( $length > 0 ) $digit = ($digit | 0x80);
            $string .= chr($digit);
        } while ( $length > 0 );

        return $string;
    }
static public function EncodeLength ( $ length ) { self :: CheckMessageLength ( $ length ) ; $ string = "" ; do { $ digit = $ length % 0x80 ; $ length = $ length >> 7 ; // if there are more digits to encode, set the top bit of this digit if ( $ length > 0 ) $ digit = ( $ digit | 0x80 ) ; $ string .= chr ( $ digit ) ; } while ( $ length > 0 ) ; return $ string ; }
Encode Remaining Length

@param int $length
@return string
Encode Remaining Length