What are some common classes that could be used when programming a forum in PHP?

When programming a forum in PHP, some common classes that could be used include: 1. User class: to handle user authentication, registration, and profile management. 2. Post class: to handle creating, editing, and deleting forum posts. 3. Thread class: to handle creating, editing, and deleting forum threads. 4. Category class: to handle organizing forum threads into categories. 5. Comment class: to handle creating, editing, and deleting comments on forum posts.

class User {
    // User class implementation
}

class Post {
    // Post class implementation
}

class Thread {
    // Thread class implementation
}

class Category {
    // Category class implementation
}

class Comment {
    // Comment class implementation
}