iconv 函数
PHP Manual

iconv_strlen

(PHP 5)

iconv_strlenReturns the character count of string

说明

int iconv_strlen ( string $str [, string $charset = ini_get("iconv.internal_encoding") ] )

In contrast to strlen(), iconv_strlen() counts the occurrences of characters in the given byte sequence str on the basis of the specified character set, the result of which is not necessarily identical to the length of the string in byte.

参数

str

The string.

charset

If charset parameter is omitted, str is assumed to be encoded in iconv.internal_encoding.

返回值

Returns the character count of str, as an integer.

参见


iconv 函数
PHP Manual