(PHP 4 >= 4.0.6, PHP 5)
mb_internal_encoding — Set/Get internal character encoding
Set/Get the internal character encoding
encoding
encoding is the character encoding name
used for the HTTP input character encoding conversion, HTTP output
character encoding conversion, and the default character encoding
for string functions defined by the mbstring module.
If encoding is set, then
成功时返回 TRUE， 或者在失败时返回 FALSE.
If encoding is omitted, then
the current character encoding name is returned.
Example #1 mb_internal_encoding() example
<?php
/* Set internal character encoding to UTF-8 */
mb_internal_encoding("UTF-8");
/* Display current internal character encoding */
echo mb_internal_encoding();
?>