PHP

1, code optimizationCode optimization is not just writing clean and clear code, but simplifying the code a certain amount. You can use Zend Optimizer to help complete these miscellaneous tasks. Zend optimizer can be obtained from Zend Technologies's

Example: SQL injection attack XSS attacks Copy Code code as follows: Arbitrary code Execution file contains and CSRF. } There are a lot of articles about SQL attacks and all kinds of anti injection scripts, but none of

Copy Code code as follows: /** * Serial Number generator */ function Snmaker ($pre = ' ") { $date = Date (' Ymd '); $rand = rand (1000000,9999999); $time = Mb_substr (Time (), 5, 5, ' utf-8 '); $serialNumber = $pre. $date. $time. $rand;

Description 1, the server caches the compressed files, again access reduces the time to compress, reduce the CPU occupancy rate. 2, by setting the client file cache time, reduce the number of requests again, can be reduced by more than 85%. 3,

Copy Code code as follows: $link = Array ( ' Baidu, http://www.baidu.com/', ' Server software, http://s.jb51.net/', ' Cloud-dwelling community, http://www.jb51.net/', ); $STR = ' Search Server Software in Baidu can go to cloud habitat

Simple Factory mode: ① abstract base class: class definition abstract Some methods to implement in subclasses ② inherits from the abstract base class: Implementing an abstract method in a base class ③ Factory class: Used to instantiate objects Read

So is there a way to automatically clean up temporary folders? The following code is a simple time to clean up the file under the folder PHP code. PS: This code, if you do not restart the site will continue to perform, so only for the local

All the friends who develop PHP know that in fact, the most worry is that there are some exceptions or errors in the program, if the output to the user's screen will frighten the user, and even lost the job, if not output to the screen to find ways

This paper analyzes the solution of PHP prompt failed to write session data error in detail. Share to everyone for your reference. The specific methods are as follows: First, the question: Prompt message:warning:failed to write session data (files)

This article summarizes the common methods of whether the PHP detection string is UTF8 encoded. Share to everyone for your reference. The implementation methods are as follows: There are a number of ways to detect string encoding, such as using Ord

This example describes how HTML static pages invoke PHP files. Share to everyone for your reference. The specific methods are as follows: Static page seems to be unable to directly call the PHP file, but can use JS call way to invoke the PHP file,

Free to find a little bit of PHP about OO Point of information to see, access control modifiers, self,parent,const,static several keywords, the arrow operator (also called in the book). That is, "->"), the range parsing operator (that is, double

This example describes the PHP Web virus cleanup class. Share to everyone for your reference. Specifically as follows: Believe that a lot of people's web pages are often unreasonable in the php,asp,html,js and other files in the background with

This article is an example of how PHP gets the previous and next pages of the article. Share to everyone for your reference. The specific methods are as follows: Today found a station on the previous page with the next page problem, previous page

Sometimes we need to use randomly generated username and password in the application, which can greatly improve the security of the application, generate random username and password in PHP can use the Mt_rand function or the RAND function, the RAND

This example describes how PHP uses the Fsockopen function to send post,get requests to get web content. Share to everyone for your reference. The specific implementation code is as follows: Copy Code code as follows: $post = 1; $url =

This paper illustrates the method of automatic detection and removal of UTF-8 file BOM in PHP. Share to everyone for your reference. The implementation methods are as follows: BOM information is a string of hidden characters at the beginning of a

This article describes in detail the PHP dynamic compiler appears cannot find autoconf solution. Share to everyone for your reference. The specific methods are as follows: After installing PHP, you want to dynamically compile PHP's memcache

PHP abstract method and abstract class Abstracts keywordThe abstract keyword is used to define abstraction methods and abstract classes. Abstract methods Abstract methods are methods that do not have a method body, specifically when the method

Iconv function Library can complete the conversion between various character sets, which is an indispensable basic function library in PHP programming. Usage is as follows: Copy Code code as follows: $string = "Welcome to the cloud-