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Security | error PHP is a scary language for fast-growing dynamic websites. It also has a lot of friendly properties for beginners, such as a variable that doesn't need to be defined to be used directly. However, some of these similar properties

Misuse of include1. The reason of the loophole:Include is the most commonly used function in writing PHP Web sites, and supports relative paths. There are many PHP scripts that directly take an input variable as an include parameter, resulting in

Object First, IntroductionEnforcing object types in PHP can sometimes be very important. If it is missing, or because of lack of knowledge-based on incorrect programming assumptions, or simply laziness, you will see the results you don't want in a

The PHP designer, who just started contacting the template engine, will find it hard to hear Smarty. In fact, the author is no exception, did not dare to touch. But later, when parsing XOOPS's program architecture, it was not difficult to begin to

Display the photo EXIF information in Chinese style, showing the sketch in the picture This thing in addition to some PHP forum to display a simple 32 information, other people's lb5000 forum to see the show, ASP also has a long time did not touch

　　Tight coupling Once upon a time, on a singular land in the south, there was a worker named Peter, who was very diligent and always obedient to his boss. But his boss was a miserly man who never trusted anyone and insisted on knowing Peter's work

A lot of PHP programmers, especially learning is not a long time, do not know the essence of PHP. How did Perl become famous in the business world? Its powerful regular expression. And what about PHP? He is a language developed from under UNIX, and

Whenever a qualified PHP programmer, you should know Unserialize and autoload, but to talk about the relationship between the two, I am afraid that there are not many people. For example, suppose that we can get a third party serialization data,

Programming | object | quickstart Object-oriented Programming (OOP) is a basic skill in our programming, and PHP4 provides good support for OOP. How to use OOP idea to do advanced PHP programming is very meaningful for improving PHP programming

Program | The essence of the software I found that a lot of PHP programmers, especially the study is not very long, do not know the essence of PHP. How did Perl become famous in the business world? Its powerful regular expression. And what about PHP?

Advanced | technique | A reverse reference, referring to the matching group to the other part of the expression itself, for example, in matching HTML tags, we match a , we want to match out a reference out, to find , this time will use a reverse

Asp.net| problem 　　The difference between 1. and : Answer: is called when the program executes, is called after the DataBind () method 　　2. What type of data does the control receive? A: Receive bind control, generally have

Traverse | Page 1. The whole page is judged foreach (Control ctl. CONTROLS[1]. Controls) { if (CTL. GetType (). name== "TextBox") { TextBox TB =new textbox (); tb= (TextBox) this. FindControl (ctl.id); if (TB. Text==string. Empty) { The value of

Now found that a lot of PHP programmers, especially learning is not a long time, do not know the essence of PHP. How did Perl become famous in the business world? It's a powerful regular expression. And what about PHP? It is a language developed

One, what is Xml,xml's purpose? XML (extensible Markup Language) expands the markup language, which, like HTML, is SGML (Standard generalized Markup Language, Standard Universal Markup Language). XML is a cross-platform, content-dependent

If only one way to use the database is correct, you can create database design, database access, and database based PHP business logic code in a number of ways, but the end result is usually a mistake. This article describes the five common problems

One of the biggest advantages of using PHP is that it is fast. In general, PHP always has enough speed to support Web content dynamic generation, and many times it is impossible to find a faster method. However, when faced with huge amounts of

Usually, image processing work is such as thumbnails, watermarks and other simple work, but sometimes more complex, such as pixel iterations, this article through an example of Imagick and Gmagick pixel iterative function: Pixel Data Generation

Some of the tips of PHP, the basis for comparison, summed up the old bird in a different posture floated. 1. Str_replace Str_replace is often commonly used PHP functions, for string replacement, often see some of the new PHP to replace a batch of

Topic: Find the error in the following code: Function baz ($y $z) {     $x = new Array ();     $x [ Sales] = 60;     $x [Profit] =:     foreach ($x as $key = $value) {     &nbs p;   echo $key + "" + $value + "";    } } How many can you find?