php count string length

[PHP source code reading] count function, php source code count function. [PHP source code reading] count function, php source code count function in PHP programming, when traversing the array, it is often necessary to calculate the length of the

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 source reading]count function, PHP source Count function In PHP programming, when iterating over an array, it is often necessary to calculate the length of the array as the judgment condition for the end of the loop, and in PHP the operations

Common character-handling functions The code is as follows Copy Code Strstr (string,string) = STRCHR (,)//from the first occurrence of a string in the previous place to intercept to the lastSTRRCHR (string,string)//From

Php functions (encryption and decryption, random string, truncated string length, forced download, etc) Function encryptdecrypt ($ key, $ string, $ decrypt ){ If ($ decrypt ){ $ Decrypted = rtrim (mcrypt_decrypt

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PHP development of common string manipulation functions, PHP development of String functions 1, stitching strings The concatenation of strings is one of the most commonly used string operations, and in PHP there are three ways to stitch strings,

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

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

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;