Multibyte String 函数
PHP 手册

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

The encoding parameter is the character encoding. If it is omitted, the internal character encoding value will be used.

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 手册