(PHP 4 >= 4.0.6, PHP 5)
mb_internal_encoding — Set/Get internal character encoding
Set/Get the internal character 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 如果成功则返回 TRUE，失败则返回 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();
?>
Note: The internal encoding or the character encoding specified by mb_regex_encoding() will be used as the character encoding for this function.