Multibyte String 函数
PHP Manual

mb_strlen

(PHP 4 >= 4.0.6, PHP 5)

mb_strlenGet string length

说明

int mb_strlen ( string $str [, string $encoding ] )

Gets the length of a string.

参数

str

The string being checked for length.

encoding

encoding 参数为字符编码。如果省略,则使用内部字符编码。

返回值

Returns the number of characters in string str having character encoding encoding. A multi-byte character is counted as 1.

参见


Multibyte String 函数
PHP Manual