Simple implementation method of PHP statistics Chinese number

This article mainly introduces PHP simple statistics Chinese number of methods, involving Strlen, Mb_strlen and mb_strwidth functions such as the use of methods and related considerations, the need for friends can refer to the following

In this paper, we describe the method of PHP simple statistic Chinese number. Share to everyone for your reference, as follows:

Before the company is to do foreign trade is used in English so the length of the statistics is used strlen This function, has been no error, but now the statistical Chinese when this is wrong, now do a record test

<?phpecho strlen ("Hello abc"). ""; # Output 9echo mb_strlen ("Hello abc", ' UTF-8 '). "; # Output 5echo mb_strwidth ("Hello abc"). ""; #输出 7?>

From the above test, we can see:

Strlen to count Chinese characters as 3 bytes

Mb_strlen whether Chinese or English, count 1 bytes

Mb_strwidth the Chinese as 2 bytes

So when it comes to length statistics, use the Mb_strlen function.