mb_regex_encoding
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
mb_regex_encoding — Set/Get character encoding for multibyte regex
说明
Set/Get character encoding for a multibyte regex.
返回值
If encoding is set, then
成功时返回 true, 或者在失败时返回 false。
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.
更新日志
| 版本 | 说明 |
|---|---|
| 8.0.0 |
现在 encoding 可以为 null。
|