How to implement collection function in php

With the rapid development of the Internet, more and more websites have begun to provide collection functions, allowing users to mark some web pages or content as interesting or important for them to view and manage in the future. This article will introduce how to implement a simple collection function through PHP.

1. Database design

Before implementing the collection function, we first need to design a suitable database structure to store the user's collection list. A simple design can include the following tables:

1. User table: used to store user information, which can include user ID, user name, password and other fields;
2. Favorites table: used Used to store favorites information, which can include fields such as favorite ID, name, creation time;
3. Favorites table: used to store content collected by users, which can include favorite ID, favorite ID, content title, URL, etc. field.

In this database structure, users can create multiple favorites, and each favorite can store multiple favorites. The collection ID in the collection table can be used to associate data in other tables.

2. Realize the basic functions of collection

After completing the database design, we need to realize the basic functions of collection through PHP. First, we need to implement basic operations such as adding collections, deleting collections, and moving collections.

1. Add favorites

The method of adding favorites can include the following steps:

1) Get the favorite ID, content title, and URL from the front-end page and other information;
2) Check the validity of the content entered by the user, including verifying the format of the URL;
3) Insert it into the favorites table, and update the number of favorites in the favorites table at the same time.

2. Delete Collection

The method of deleting a collection can include the following steps:

1) Obtain the collection ID to be deleted from the front-end page;
2) Delete the corresponding record in the favorites table;
3) Update the number of favorites in the favorites table.

3. Mobile Collection

The method of implementing mobile collection can include the following steps:

1) Obtain the collection ID and original collection to be moved from the front-end page Folder ID, target favorite ID;
2) Determine whether the target favorite exists, and create it if it does not exist;
3) Update the favorite ID in the favorites table.

3. Implementation of advanced functions

After completing the implementation of basic functions, we can further implement some advanced functions, such as adding tags to favorites, searching for favorites, etc.

1. Add tags to favorites

Adding tags to favorites can help users classify and organize favorites. The implementation method may include the following steps:

1) Add a tag field to the favorites table;
2) Obtain the favorites ID and tag information from the front-end page;
3) Update the favorites table label information in .

2. Search favorites

Searching favorites can help users quickly find what they need. The implementation method may include the following steps:

1) Obtain search keywords from the front-end page;
2) Perform fuzzy query in the database;
3) Return the query results to the front-end page.

Summary

Implementing the collection function through PHP can help the website improve user experience and stickiness, making it easier for users to manage and view collections. During the implementation process, we need to fully consider security and reliability to ensure the security of user data. At the same time, we can also expand on the basic functions to achieve more intelligent and advanced functions.

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