php get length of string

Chinese websites generally choose two types of code: gbk/gb2312 or Utf-8. Each Chinese character in the GBK encoding occupies 2 bytes, as an example: $zhStr = ‘您好，中国！’;echo strlen($zhStr// 输出：12 utf-8编码下每个中文字符所占字节为3，例： $zhStr = ‘您好，中国！’;echo strlen(

[PHP] a simple and brilliant way to get the length of a Chinese string. When writing the form verification class of the framework tonight, you need to determine whether the length of a string is within the specified range. Naturally, you think of

In some Web site registration or other activities, we need users to submit some information, for this information will have certain requirements, such as user registration information Some of the limit length can not be less than how much. Here we

: This article mainly introduces php programming notes. if you are interested in PHP tutorials, please refer to them. Three methods for php to obtain POST data Php image watermarking source code Php + ajax + json is the simplest example. Php Chinese

Three ways to get post data from PHP PHP image plus watermark source code One of the simplest examples of Php+ajax+json PHP Chinese Pinyin Source code PHP iterates through directories, generates MD5 values for each file in the directory, and writes

Php programming notes-three methods for obtaining POST data from small_123 php Php image watermarking source code Php + ajax + json is the simplest example. Php Chinese character to pinyin source code Php traverses the Directory, generates the md5

A string is composed of a series of characters, each of which is equivalent to a byte. This means that PHP only supports the 256 character set and therefore does not support Unicode. For details, see the description of the string type. Note: string..

function Encryptdecrypt ($key, $string, $decrypt) { if ($decrypt) { $decrypted = RTrim (Mcrypt_decrypt (mcrypt_rijndael_256, MD5 ($key), Base64_decode ($string), MCRYPT_MODE_CBC, MD5 (MD5 ($ Key)), "12"); return $decrypted;

Php: input is also a data submission method, but we seldom use php: input for data submission, so php: what is the difference between input and our common POSTGET data submission methods? Let's take a look at this article. Php: // input is also a

Use PHP to get the string length (strlen, mb_strlen. Strlenintstrlen (stringstr) gets the length of the string specified as a parameter. Because the number of bytes is obtained, the halfwidth text is 1 byte and the fullwidth text is 2 bytes.