* @exception E_INVALID_ARG The specified encoding scheme does not exist.
* @remarks The supported encoding schemes are ASCII, GSM, UCS-2, UCS-2LE, UCS-2BE, UCS-4, UCS-4LE, UCS-4BE, UTF-8, UTF-16, UTF-16LE, UTF-16BE, UTF-32, UTF-32LE, UTF-32BE, ISO-8859-1~16 (except ISO-8859-12), Windows-874, Windows-1250 ~ Windows-1258, KSC5601, BIG5, GB2312, Shift_JIS, and ISO-2022-jp.
*/
* @exception E_INVALID_ARG The specified encoding scheme does not exist.
* @remarks The supported encoding schemes are ASCII, GSM, UCS-2, UCS-2LE, UCS-2BE, UCS-4, UCS-4LE, UCS-4BE, UTF-8, UTF-16, UTF-16LE, UTF-16BE, UTF-32, UTF-32LE, UTF-32BE, ISO-8859-1~16 (except ISO-8859-12), Windows-874, Windows-1250 ~ Windows-1258, KSC5601, BIG5, GB2312, Shift_JIS, and ISO-2022-jp.
*/