How can PHP sessions be used to track and display new forum posts?

To track and display new forum posts using PHP sessions, you can store the timestamp of the last visit in a session variable. Then, compare this timestamp with the timestamps of the forum posts to determine which posts are new since the last visit. 

// Start or resume a session
session_start();

// Set the last visit timestamp in a session variable
if (!isset($_SESSION['last_visit'])) {
    $_SESSION['last_visit'] = time();
}

// Query the forum posts and display only the posts that are newer than the last visit
$query = "SELECT * FROM forum_posts WHERE post_timestamp > {$_SESSION['last_visit']}";
// Execute the query and display the new forum posts

Keywords

PHP sessions forum posts tracking displaying new posts

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