PHP

1. Define constant define ("CONSTANT", "Hello world."); Constants can only contain scalar data (boolean,integer,float and string). When calling a constant, simply use the name to get the value of the constant, not the "$" symbol, such as: Echo

Why use the "Thief program"? Remote Crawl article information or merchandise is a lot of enterprises require programmers to achieve the function, that is, Vulgar said the thief program. Its main advantages are: The solution of the company's network

In fact, the image recognition technology and we usually do the password verification and so no difference, are in advance to check the data into the warehouse, and then use the input (identification) data and the data in the library, but the image

For the Cd2sc.com website function development, the code for my original, the production speed is general. (for well-known reasons, the data field name involved in the database has been altered and the parameter filtering part has been removed for

Interview was asked to JS in the Observer mode, this thing has long been known, can be said to be a dynamic language is very useful in a design pattern, very ashamed of no systematic research. But it does not matter, where does not make up where,

The fastcgi IIS module enables the popular application framework to support the FASTCGI protocol on IIS to provide high performance and availability access services, FASTCGI provides high-performance CGI replacement standards for existing network

Nginx 502 has many reasons, but most of the reasons can be attributed to the lack of resources, that is, the back-end php-fpm processing problems, nginx the correct client request to the backend PHP-FPM process, However, because of the PHP-FPM

Sometimes, we need to install several different versions of the PHP environment in the Windows Server, or adopt different php.ini configuration, for example, after encrypting the PHP program using the Ioncube system of China e Business Network, To

When will a recursive regular expression be used? Of course there is a pattern (seemingly nonsense) that appears recursively in the matching string. The classic example is recursion, which handles the problem of nested parentheses. Examples are as

SQL injection problems in the ASP but noisy  of course there are many well-known domestic and foreign PHP program "died". As for the details of the SQL injection, there are too many articles on the web, not to be introduced here.If the MAGIC_QUOTES_

Third Day Learning Purpose: Learn to build a database In ASP, if you are an Access database you can directly open access to edit the MDB file, if it is SQL Server you can open Enterprise Manager to edit the SQL Server database, but in PHP, my SQL

To serialize objects Sometimes it is necessary to transfer an object to the network, in order to facilitate transmission, you can convert the entire object into a binary string, When you reach the other end, revert to the original object, this

Look at the Dojo framework introduced by the boss, learn to write down. Just beginning to learn PHP please advise! Found not to send attachments. Send two code you have learned it yourself. Copy Code code as follows: Session_Start ();

The leader wants me to plan a webpage design contest and the Flash creation contest, the request must realize the on-line registration and the uploading work. I realized the requirement through FREEBSD+APACHE+PHP+MYSQL+FTP. The idea of online

In the development process, often because the form error and return to the page when the information is missing, in order to support page bounce, can be achieved in two ways. First, use the header method to set the message header

Implementation content: Truncate a section of text containing HTML code, but there is no containment tag does not have a closed problem. Description: This is the PHP version, used on the server side, if you need a client version, please read the

The following is a brief introduction of the Memcached class application examples, with a certain reference value, interested partners can refer to. Introduction of Memcached In many occasions, we will hear the name memcached, but many students

This article summarizes the knowledge points of PHP class. Share to everyone for your reference, specific as follows: Final class and final method If the method in the parent class is declared final, the subclass cannot overwrite the method. If a

In the Web site will often generate tables, CSV and Excel are commonly used in the report format, CSV relatively simple, if you have questions I will release some examples of CSV, here mainly introduced in PHP to generate and read Excel files. To

PHP Ajax has a lot of features will be used in its small series today there is a use of PHP ajax implementation of a red envelope function, the following we look at a PHP Ajax mobile phone to send red envelopes of the program examples, as shown