What are the potential security risks associated with using session variables instead of GET parameters for user identification in PHP?

Using session variables for user identification in PHP is generally more secure than using GET parameters, as session data is stored on the server side rather than being visible in the URL. However, it is important to ensure that the session is properly managed to prevent session hijacking and other security risks. 

session_start();

// Set user identification in session variable
$_SESSION['user_id'] = 123;

// Retrieve user identification from session variable
$user_id = $_SESSION['user_id'];

Keywords

security risks session variables GET parameters user identification PHP

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