substr function

Copy codeThe Code is as follows:Echo substr (md5 ("admin"), 8, 16); // 16-bit MD5 EncryptionEcho " ";Echo md5 ("admin"); // 32-bit MD5 Encryption?>The 16-bit MD5 encryption is achieved by intercepting characters using the substr function ....I don't

There are three types of data changes in the database: insert, update, and delete ). These operations are common to developers. There are three types of data changes in the database: insert, update, and delete ). These operations are common to

  Example: convert a date in the U.S. format to an international format. Tip: U.S. date format: octomber International Date Format: 01 octomer 2012   Because I feel more interested and impressed when I look at the code first and then think carefully

Today encountered a Chinese and English string interception problem, in the GBK in the language of each word accounted for two bytes, if all Chinese words, with the substr () function can be achieved, but the Chinese and English have some words on

There are a lot of PHP beginners to intercept characters will use SUBSTR () function or mb_substr () function to intercept, the first Chinese must be garbled, the second performance is not good, the following I summed up a few custom Chinese text

The PHP mb_substr () function intercepts the Chinese string application example, The substr () function is used to intercept strings, but there is a problem with Chinese characters, and mb_substr () and Mb_strcut functions can be similar to substr (

After the oracle splits the string, it is displayed in a single column and multiple rows in oracle. Original SQL: Select substr (field1, instr (field1, '|', 1, rownum) + 1, instr (field1, '|', 1, rownum + 1)-instr (field1, '|', 1, rownum)-1) as

There are three main types of data changes in the database: insert data (Insert), Modify data (Update), Delete data (Delete). These operations are commonly used by developers. This chapter briefly introduces these operations. The main contents of

PHP string operation function set String sorting: Chop (), ltrim (), and trim () The first step to sort strings is to clear unnecessary spaces in strings. By default, the characters to be removed are linefeeds and carriage returns (N and R),

CopyCode The Code is as follows: Echo substr (MD5 ("admin"), 8, 16); // 16-bit MD5 Encryption Echo " "; Echo MD5 ("admin"); // 32-bit MD5 Encryption ?> The 16-bit MD5 encryption is achieved by intercepting characters using the substr function ....

Stringfunctions, a common character string function in PHP. This chapter describes several common internal functions of PHP strings. The following describes the internal functions of PHP strings: echo, print, strlen, trim, ltrim, rtrim, substr,

The substr () function is used to intercept strings, but there may be problems with Chinese characters. the mb_substr () and mb_strcut functions can be used. The following describes the usage of substr () the function is used to intercept strings,

Common PHP functions in project development. In order to facilitate storage, comparison, and transmission, we usually need to use the strtotime () function to convert a date to a UNIX timestamp, only PHP functions commonly used in project

Php implements the method of intercepting Chinese strings without garbled characters. Many php beginners can use the substr () function or the mb_substr () function to intercept characters. the first Chinese character must be garbled, and the second

Mb_substr: small Chinese knowledge. The mb_substr function is an upgraded version of the substr function. mb_substr supports Chinese truncation without garbled characters. Next, let's introduce the basic knowledge of mb_substr. For example, copy the

Differences between strlen, mb_strlen, substr (), mb_substr () and mb_strcut in php. This article describes in detail the differences and usage of strlen, mb_strlen, substr (), mb_substr (), and mb_strcut. For more information, see. About the use of

This article introduces, in the use of PHP string interception function substr, the interception of Chinese characters in the case of garbled solution. Please refer to the friends who are in need.PHP string intercept function substr:String substr

PHP note | intercept between Chinese and English strings. it is often necessary to intercept too long content when the record list is displayed on the WEB page. Use PHP built-in substr function for English and Chinese mixed strings, especially

Php supports UTF-8 and gbk? Today, I encountered a problem of intercepting Chinese and English strings. in gbk, each word occupies two bytes in Chinese. if it is all Chinese, use the substr () function, however, if both Chinese and English are

Many php beginners can use the substr () function or the mb_substr () function to intercept characters. the first Chinese character must be garbled, and the second character may be of poor performance, below I have summarized several examples of