What are the advantages and disadvantages of manually setting session IDs in PHP for user identification in a chat application?

When manually setting session IDs in PHP for user identification in a chat application, the advantage is that it gives you more control over how sessions are managed and can potentially improve security. However, manually setting session IDs can also be more prone to errors and vulnerabilities if not implemented correctly. 

<?php
session_id("custom_session_id_here");
session_start();

// Rest of your PHP code for the chat application
?>

Keywords

session IDs user identification chat application advantages disadvantages

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