PHP's internal code conversion function mb_convert_encoding ()

Because a program uses output UTF-8 encoding. But the original data is GBK coded.
Baidu found a lot about the internal code conversion classes. But there are many disadvantages. GBK to UTF-8 not supported
But one besides is found in the official PHP FAQ mb_convert_encoding () The function must be above PHP4.0.6 only. I heard there are some
Want to close the link: http://cn.php.net/manual/zh/function.mb-convert-encoding.php
Make a GBK to UTF-8
< PHP
Header ("content-type:text/html; Charset=utf-8 ");
Echo mb_convert_encoding ("