How to use PHP to develop multi-category directory and tag management modules in CMS

With the rapid development of the Internet, more and more websites are considering using content management systems (CMS) for development at the beginning of their construction. CMS can easily manage website content, optimize SEO, improve efficiency, and make website operation easier. This article will introduce how to use PHP to develop multi-category directory and tag management modules in CMS.

1. Development of multi-category directory management module

1. Create database

Before starting to build a multi-category directory management module, you need to create a database first Used to store classified data. Databases and tables can be created using MySQL or other database software.

2. Create a classification table

Create a classification table in the database, which should contain the following fields:

• id: classification ID, since Growth
• name: Category name
• parent: Parent category ID, 0 if there is no parent category
• slug: Category name, used to form URL

3. Develop a category management page

Develop a category management page, which should include the following functions:

• Add a category: including category name, Parent category, sub-category name
• Edit category: You can modify the category name, parent category, and sub-category name
• Delete category: Delete through Ajax to avoid page refresh

4. Create a function that outputs a classification list

In order to output a classification list on the website, you need to create a function to query and output classification information. This function can obtain all categories from the database and perform hierarchical processing based on the parent category ID.

2. Development of tag management module

1. Create tag table

Create a tag table, which should contain the following fields:

• id: tag ID, auto-increment
• name: tag name
• slug: tag alias, used to form URL

##Development tag Management page

Develop a tag management page, which should include the following functions:

Add tags: including tag name, tag alias
• Edit tags: You can modify the tag name and tag alias
• Delete tags: Delete through Ajax to avoid page refresh

Associate tags and articles

Add a field to the article table to store tag information, which can be stored using JSON or a many-to-many relationship. When outputting the article list on the website, the tag information can be queried from the article table and displayed.

3. Association between multiple categories and tags

Create an intermediate table

In order to facilitate the management of the association between categories and tags, you can create an intermediate table To store the association between categories and tags.

The intermediate table should contain the following fields:

id: self-increasing ID
• category_id: category ID
• tag_id: tag ID

Develop a function that associates categories and tags

Develop a function that associates categories and tags, including the following functions:

Select a category: Multiple categories can be selected
• Select tags: Multiple tags can be selected
• Save associated information: Save the selected categories and tag information to the intermediate table

Output a list of articles containing specific tags

By querying the intermediate table, you can find the article IDs containing specific tags, and then query the article list. At the same time, you can also output a list of articles containing specific categories and tags to improve the user experience of the website.

The above are the steps for using PHP to develop multi-category directories and tag management modules in CMS. These modules can easily manage the classification and tag information of the website, improve efficiency, reduce errors, and help developers better Carry out website development.

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