What are some common pitfalls when using sessions in PHP?

One common pitfall when using sessions in PHP is not properly starting the session before using any session variables or functions. To solve this, always make sure to call `session_start()` at the beginning of your PHP script. 

<?php
session_start();

// Your PHP code here
?>

Keywords

session_start session_regenerate_id session fixation session hijacking session variables

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