How can the session save path be correctly configured in PHP to avoid errors?

When configuring the session save path in PHP, it is important to ensure that the directory specified exists and has the correct permissions for the web server to write session data. To avoid errors, the session save path should be set to a directory that is writable by the web server user.

<?php
// Set the session save path to a directory that is writable by the web server
session_save_path('/path/to/writable/directory');

// Start the session
session_start();

// Rest of your PHP code
?>