PHP

This section describes how to use php and mysql in combination.Basically, php is a middle layer between the back-end database and the front-end browser, and commands are passed between them. This method greatly improves the possibility of

Wen/Xu permanentWe know that Zend has a free Optimization engine for PHP, but FreeLAMP uses a buffer product called PHP Accelerator this time.We have explained several methods of acceleration in the article "LAMP acceleration", which mentions PHP

Target readersThis article targets all PHP developers who are interested in the new XML Functions of PHP5. We assume that the reader has basic knowledge about XML. However, if you have already used XML in your PHP, this article will also benefit you

One of the common errors on the web is invalid links. Once an invalid link appears from another site, you will reschedule. People will save their favorite sites as bookmarks. If they visit the site again three months later, they will only find that '

Form ProcessingPHP provides many easy-to-use and powerful functions for users. In terms of form processing, PHP can automatically assign values to corresponding variables for the data sent by the client form, which greatly simplifies the process of

A gb2312.txt (184799 bytes) is indeed too large and must be converted to unicode.This table is 51965 bytes, which is much smaller.It is very practical for scenarios where the iconv function library cannot be used.// Usage of the comparison table$

Now we finally get to our third file, include. php, which creates a user interface for the program."Include. php" contains three forms. Some PHP code obtains the current directory list and stores them in three variables.$ Files (including files in

Use the "XXXX.htm" and "XXX. php" files to refresh data XXXX.htm   XXXXX. php Header ("Cache-Control: no-cache, must-revalidate ");Echo "document. all. p_show.innerHTML = \"? ". rand (0, 9)." \"";?>

When a newbie first learns about jpgraph, he will certainly encounter various problems, such as gibberish. This case is made in jpgraph3.0.7 and has been tested several times to solve the garbled problem.Copy codeThe Code is as follows:$ Datay =

I try not to talk about big theory, for example, what is png. PHP has bound its own GD2 Library since version 4.3. You can download and set it yourself. to check whether your php version supports the gd module (supports JPEG, PNG, WBMP, but does not

The datetime function is the core component of PHP. These functions can be used without installation. The following describes the specific usage of the date function: PHP Date () functionThe PHP Date () function can format the timestamp as a Date

Copy codeThe Code is as follows:/*** Determine whether it is a search engine spider** @ Author Eddy* @ Return bool*/Function isCrawler (){$ Agent = strtolower ($ _ SERVER ['HTTP _ USER_AGENT ']);If (! Empty ($ agent )){$ SpiderSite = array

What is polymorphism?Polymorphism (Polymorphism) is a very long word, but it represents a very simple concept.Polymorphism describes how classes have different functions in Object-Oriented Programming modes, while sharing a common interface.The

When we need to split an array into arrays based on a character or string, explode is very happy, but you know ~ How does explode work ~~First of all, it is certain that explode will also allocate space, without a doubt.Copy codeThe Code is as

First, run the source code. You can copy it to your computer to run it ~Copy codeThe Code is as follows: Multifile upload // Upload File Information$ Img = $ _ FILES ['img '];If ($ img){// File storage directory, which is the same as the PHP

Copy codeThe Code is as follows:Function array_add ($ a, $ B ){// Obtain the intersection of two arrays based on the key name$ Arr = array_intersect_key ($ a, $ B );// Traverse the second array. If the key name does not exist with the first array,

Copy codeThe Code is as follows:/** Login*/Public function Login (){If ($ _ POST ['submit ']) {$ DB = D ('login'); // custom Model processing// If is automatically verified by ThinkPHP.If (! $ DB-> create ()){$ This-> redirect ('index/login', '', 3,

Copy codeThe Code is as follows:// Reference$ One = "test ";Two = & $ one; // equivalent to the transfer address. The two variables point to an address.// Dynamic variables$ One = "######";$ Two = "one ";$ Three = "two ";Echo $ three. ""; // output "

Enable slow logThere are two ways to enable: 1, in my. in cnf, log-slow-queries [= file_name] 2 is used to specify the five commonly used tools compared by the -- log-slow-queries [= file_name] option when the mysqld process is started.Mysqldumpslow,

JQuery aims to Write Less and Do More. Its development style of JavaScript is not as invasive as YUI, and of course it is not as large as Dojo and YUI. It greatly simplifies the daily development of JavaScript, mainly the operation of DOM elements