getid3_lib::BigEndian2String( int $number, int $minbytes = 1, bool $synchsafe = false, bool $signed = false ): string

425	public static function BigEndian2String($number, $minbytes=1, $synchsafe=false, $signed=false) {426		if ($number < 0) {427			throw new Exception('ERROR: self::BigEndian2String() does not support negative numbers');428		}429		$maskbyte = (($synchsafe || $signed) ? 0x7F : 0xFF);430		$intstring = '';431		if ($signed) {432			if ($minbytes > PHP_INT_SIZE) {433				throw new Exception('ERROR: Cannot have signed integers larger than '.(8 * PHP_INT_SIZE).'-bits in self::BigEndian2String()');434			}435			$number = $number & (0x80 << (8 * ($minbytes - 1)));436		}437		while ($number != 0) {438			$quotient = ($number / ($maskbyte + 1));439			$intstring = chr(ceil(($quotient - floor($quotient)) * $maskbyte)).$intstring;440			$number = floor($quotient);441		}442		return str_pad($intstring, $minbytes, "\x00", STR_PAD_LEFT);443	}