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HomeBackend DevelopmentPHP TutorialPHP implementation of generating dynamic posters in WeChat mini program

PHP implementation of generating dynamic posters in WeChat mini program

Jun 01, 2023 pm 06:31 PM
phpWeChat appletDynamic poster.

With the development of mobile Internet, WeChat has become an indispensable part of many people's lives. And WeChat users are increasingly fond of using mini programs. Mini programs are welcomed by more and more users due to their convenience and no need to download. Adding PHP code to the mini program can achieve more functions, such as generating dynamic posters. Next, we will introduce how to use PHP to generate dynamic posters.

1. What is a dynamic poster

A dynamic poster refers to a dynamic picture. It can be a combination of multiple static pictures, or it can be a picture plus audio. , video, text and other elements.

There are various application scenarios for generating dynamic posters. For example, merchants can use dynamic posters to promote their products, account operators can use dynamic posters to attract fans, and individual users can also create their own dynamic posters to share with friends.

2. The principle of generating dynamic posters

The principle of generating dynamic posters is to combine and collage multiple elements (including pictures, text, audio, video, etc.) and write code to achieve dynamic Effect. In the mini program, we can generate posters by calling PHP code.

3. How to use PHP in a mini program

To use PHP in a mini program, you first need to configure the PHP environment on the server. For specific methods, please refer to the PHP official website or related tutorials, and I will not go into details here. After the PHP environment is configured, we can call the PHP code in the mini program to generate dynamic posters.

4. Specific implementation steps

The following takes the WeChat applet as an example to introduce the specific steps of how to use PHP to generate dynamic posters:

1. Preparation work

Create a php directory in the root directory of the mini program to store PHP files and generated poster images.

2. Generate poster background image

First, you need to prepare a poster background image. This picture can be an existing picture or a picture of your own design. In the PHP file, the poster background image can be generated through the image processing function.

3. Add dynamic elements

On the basis of generating poster background images, if you want to achieve dynamic effects, you need to add dynamic elements. Here we take adding dynamic numbers as an example. The specific implementation steps are as follows:

(1) Generate digital pictures through the PHP GD extension library.

(2) Add a digital image to the poster background image.

(3) Add dynamic effects to the added digital pictures through the PHP GD extension library.

(4) Collage the digital image with dynamic effects onto the generated poster background image.

4. Generate posters

The generation of posters requires combining poster background images and other elements with dynamic elements added. Through the PHP GD extension library, new poster images can be generated.

5. Output poster

Finally, output the generated poster image to the front end through the mini program interface and display it to the user.

Summary:

As a server-side scripting language, PHP can implement a variety of functions, such as generating dynamic posters. Through the above introduction, everyone has already understood the specific implementation steps of using PHP to generate dynamic posters in a small program. I hope it can provide you with some help and inspiration in mini program development and application.

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