(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.
encoding
encoding
参数为字符编码。如果省略或是 null
,则使用内部字符编码。
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.
版本 | 说明 |
---|---|
8.0.0 |
现在 encoding 可以为 null。
|