(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
mb_regex_encoding — Set/Get character encoding for multibyte regex
$encoding = null): string|boolSet/Get character encoding for a multibyte regex.
encodingThe encoding
parameter is the character encoding. If it is omitted or null, the internal character
encoding value will be used.
If encoding is set, then
Returns true on success or false on failure.
In this case, the internal character encoding is NOT changed.
If encoding is omitted, then
the current character encoding name for a multibyte regex is returned.
| Version | Description |
|---|---|
| 8.0.0 |
encoding is nullable now.
|