PHP

0 )? Intval ($ _ GET ['Article _ id']): 0; // IDif ($ article_id> 0) {$ filename = $ ROOT_PATH. 'Log/click_log.txt '; $ s = ''; if (file_exists ($ filename) {$ content = file_get_contents ($ filename); $ d_ary = array (); if ($ content) {$ ary =

Today, I reviewed and learned how to implement variables in PHP. by browsing its source code, I found that all data types in PHP are stored through a union. The php language is a weak type language, which is managed by recording the type and value

If your website's MySQL database is slow, you need to pay attention to the website's cache. Anyone who has used WordPress knows that it has a plug-in called WP Super Cache, which can store WordPress pages as static pages when they are generated for

Recently, I am engaged in the Empire cms. If the article contains images or the article is top-notch, I need to display the corresponding logo in the header of the list. Then I implemented it with the smart tag. Here I will record some, it is

Basic syntax of the cyclic column navigation label: [listshowclass] parent column ID, tag template ID, whether to display the number of column information, and the number of columns [/listshowclass] Parameter description: Parent topic ID: '0'

There is such A requirement that the specified date is July 22, December 12. Before July 15, December 12, I want to execute event A, and then I want to execute event B. How can I determine whether today is before or after July 15, December 12? The

To remove duplicate values from an array, you can use the foreach method or the array_unique method. The following code uses both methods. ";$intStart1 = time();$arrRS = array_unique($arrT);$intEnd2 = time();$intTime2 = $intEnd2-$intStart1;echo

The principle is very simple. First, write a function to generate one of the 36 characters 0-Z. Each time you call the getOptions () method to generate a character, they are stored as follows: array [0] = 0, array [1] = 1 ,......, Array [35] = z.

There is a requirement in the project: Convert decimal to binary, octal, and hexadecimal, as well as binary, octal, and hexadecimal to decimal. record the following, you can use it later. To convert from decimal to other hexadecimal values, the

The PHP setcookie () function sends an HTTP cookie to the client. Cookie is a variable sent from the server to the browser. Cookies are usually small text files embedded into users' computers by servers. This cookie is sent every time a computer

The working model of PHP is very special. To some extent, PHP is essentially different from popular Web technologies such as ASP, ASP. NET, and JSP/Servlet. Taking Java as an example, Java has two technologies in the Web application field: Java

Php session Principle We know that session is a way to maintain user session data on the server side, and the corresponding cookie is to maintain user data on the client side. HTTP is a stateless protocol. After the server responds, it loses contact

The php function library has a function: iconv (). The iconv function library can convert character sets. It is an indispensable basic function library in php programming. Recently, I am working on a thief program. I need to use the iconv function

Because Weibo has a word limit, if you send a website, it will be automatically changed to a short website. My previous articles introduced how to convert a web site into a short Web site. Here we will, in turn, restore the short Web site to the

In PHP applications, arrays are the most widely used data structures. In this case, you can master most of PHP by mastering arrays. Next we will summarize the Array Operations of PHP, which may be an array operation that you do not understand or do

The Singleton mode is a creation mode. It is the simplest mode in the design mode. Of course, it is used everywhere. The Singleton mode ensures that a class has only one instance and provides a global access point to access it. When you need to

Substr_replace () function Introduction The substr_replace () function replaces one part of the string with another. Syntax: substr_replace (string, replacement, start, length) The string parameter, required. Specifies the string to be checked.

I often encounter the need to export data from a database to an Excel file. Using some open-source class libraries, such as PHPExcel, is indeed easy to implement, but it does not support a lot of data, it is easy to reach the PHP memory usage limit.

Some time ago, I wrote an api about the mobile app, which always uses the query_string address and distinguishes all the actions based on an act parameter, which makes the developer seem eye-catching. I wanted to rewrite it as "? C = controller & m =

In CodeIgniter, database usage is very frequent. You can use the database class that comes with the framework to perform database operations conveniently.Initialize Database Class Load and initialize the Database Class Based on your Database