What are the potential consequences of not properly starting a session in PHP?

Not properly starting a session in PHP can lead to issues such as not being able to store or retrieve session data, which can affect the functionality of your application. To solve this issue, you should always start a session at the beginning of your PHP script using the session_start() function. 

<?php
// Start the session
session_start();

// Your PHP code here
?>

Keywords

session_start session variables authentication security vulnerability data loss

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