因而，要获得以utf - 8编码的字符串的正确长度，必须使用mb_strlen (string，“ utf - 8 ”)，而不只是strlen (string)。

So, to get the correct length of string encoded in utf-8, you have to use mb_strlen (string, "utf-8") instead of just strlen (string).

youdao

因而，要获得以utf - 8编码的字符串的正确长度，必须使用mb_strlen (string，“ utf - 8 ”)，而不只是strlen (string)。

So, to get the correct length of string encoded in utf-8, you have to use mb_strlen (string, "utf-8") instead of just strlen (string).

youdao