(PECL pecl_http >= 0.25.0)
HttpQueryString::xlate — Change query strings charset
Converts the query string from the source encoding ie to the target encoding oe.
Don't use any character set that can contain NUL bytes like UTF-16.
Note:
This method requires ext/iconv to be enabled and loaded.
input encoding
output encoding
成功时返回 TRUE, 或者在失败时返回 FALSE.