How can session_start() be correctly implemented to prevent the issue of a new session ID being assigned in PHP?

When session_start() is called in PHP, it automatically generates a new session ID if one is not already set. To prevent this issue and ensure that the same session ID is used throughout the session, you can set the session ID before calling session_start(). This can be done by using session_id() to set the desired session ID. 

<?php
session_id('desired_session_id');
session_start();
// Rest of your code here
?>

Keywords

session_start PHP session ID implementation prevent

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