(PHP 4 >= 4.0.6, PHP 5)
mb_http_output — Set/Get HTTP output character encoding
Set/Get the HTTP output character encoding. Output after this function is converted to encoding.
If encoding is set, mb_http_output() sets the HTTP output character encoding to encoding.
If encoding is omitted, mb_http_output() returns the current HTTP output character encoding.
If encoding is omitted, mb_http_output() returns the current HTTP output character encoding. Otherwise, 成功时返回 TRUE， 或者在失败时返回 FALSE.