mb_internal_encoding
(PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8)
mb_internal_encoding — Set/Get internal character encoding
Description
$encoding = null): string|boolSet/Get the internal character encoding
Parameters
-
encoding -
encodingis 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. You should notice that the internal encoding is totally different from the one for multibyte regex.
Return Values
If encoding is set, then
Returns true on success or false on failure.
In this case, the character encoding for multibyte regex is NOT changed.
If encoding is omitted, then
the current character encoding name is returned.
Errors/Exceptions
As of PHP 8.0.0, a ValueError is thrown if the
value of encoding is an invalid encoding.
Prior to PHP 8.0.0, a E_WARNING was emitted instead.
Changelog
| Version | Description |
|---|---|
| 8.0.0 |
encoding is nullable now.
|
| 8.0.0 |
Now throws a ValueError if
encoding is an invalid encoding.
Previously a E_WARNING was emitted instead.
|
Examples
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();
?>
See Also
- mb_http_input() - Detect HTTP input character encoding
- mb_http_output() - Set/Get HTTP output character encoding
- mb_detect_order() - Set/Get character encoding detection order
- mb_regex_encoding() - Set/Get character encoding for multibyte regex
