When should session_start() be called in PHP scripts to ensure proper functionality?

To ensure proper functionality of sessions in PHP scripts, the session_start() function should be called at the beginning of the script before any output is sent to the browser. This is because session_start() initializes a session or resumes the current one, and should be called before any session variables are accessed or modified. 

<?php
session_start();

// Your PHP code here
?>

Keywords

session_start PHP scripts proper functionality session management session handling

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