What are the potential pitfalls of using the same method as phpBB for marking read/unread threads in a forum?

One potential pitfall of using the same method as phpBB for marking read/unread threads in a forum is that it may not scale well with a large number of users or threads. To solve this issue, you can implement a more efficient database structure and caching mechanism to track read/unread statuses. 

// Example of implementing a more efficient read/unread tracking system in PHP

// Database table structure for tracking read/unread threads
CREATE TABLE thread_read_status (
    user_id INT,
    thread_id INT,
    is_read BOOLEAN,
    last_read_time DATETIME,
    PRIMARY KEY (user_id, thread_id)
);

// Function to update read status of a thread for a user
function markThreadAsRead($userId, $threadId) {
    // Update thread_read_status table with read status and current timestamp
}

// Function to check if a thread is read or unread for a user
function isThreadRead($userId, $threadId) {
    // Check thread_read_status table for read status
}

Keywords

phpBB marking read/unread threads forum

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