How can PHP sessions or cookies be used to differentiate user permissions effectively?

To differentiate user permissions effectively using PHP sessions or cookies, you can store the user's permission level in a session variable or cookie upon login. Then, you can check this value on each page load to determine what actions the user is allowed to perform. 

// Start the session
session_start();

// Set the user's permission level upon login
$_SESSION['permission'] = 'admin'; // This value can be set based on the user's role

// Check the user's permission level on each page load
if($_SESSION['permission'] === 'admin'){
    // User has admin permissions
    // Perform admin actions here
} else {
    // User does not have admin permissions
    // Perform other actions here
}

Keywords

PHP sessions cookies user permissions differentiation security.

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