What functions do asp and php have?

What is ASP? What functions does it have?

ASP.NET is a full-featured programming language such as C or VB.NET developed by Microsoft to build dynamic, powerful, intelligent, scalable websites and Internet applications # . It includes the highlights of a powerful security assessment, as well as an organizational tool for building, testing, executing, and organizing software. Typically, this is chosen to meet the needs of large enterprises because it reduces the amount of code needed to build large applications.

ASP is very powerful. From an application perspective, ASP has the following main functions:

1. Process form input sent from the browser to the server.

2. Access and edit the server's database table.

3. Read and write files on the server to implement functions such as counters.

4. Provide an ad carousel and obtain built-in functions such as browser information and URL table management.

5. Information can be shared between multiple homepages.

What is PHP? What functions does it have?

PHP is the most popular open source programming language used by small to medium-sized organizations to build websites that rely on dynamic content adaptation. PHP is free and provides numerous frameworks to make web development simple and fast. PHP is easy for beginners and offers many features for professional programmers. Many large websites are implemented using PHP.

What are the common functions of php?

1. Collecting form data

Form is the most commonly used data collection interface. When submitting, you can use the GET or POST method to send data to the PHP program script. In addition, PHP can also access each form field in the form of variables. These functions make it very simple for PHP to collect data entered by customers.

2. Generate dynamic web pages

The difference between PHP and JavaScript is that PHP runs on the server side and can dynamically output content according to different client requests. However, the client accepts data but does not know how the code behind it runs. , and the language running on the javascript client cannot do this.

3. String processing

When processing text, we often need to process various strings. String processing is one of the most commonly used techniques by programmers, and PHP uses strings as the basic data type to process. In addition, PHP provides a wealth of string functions for us to use.

4. Dynamically output images

PHP uses the GD extension library to dynamically output images. This function is used to log in most verification codes. We can also use thumbnails and add watermarks and other images. processing functions.

5. Processing server-side files

If you want data to be retained for a long time, you must use a database or file system. PHP can use file system functions to arbitrarily operate directories or files in the server ( Edit, delete, create, etc. functions).

6. Session control

When we use the HTTP protocol to access the website, it is stateless and has no built-in mechanism to maintain the state between two transactions. In other words, http cannot distinguish whether two requests are from the same user request, and PHP can use session control to track a user on the website and control the user's behavior.

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