What are some best practices for handling sessions in PHP to avoid syntax errors?

When handling sessions in PHP, it is important to properly initialize the session before using any session variables to avoid syntax errors. This can be done by calling session_start() at the beginning of the script. Additionally, make sure to check if the session has already been started before calling session_start() to prevent any conflicts. 

<?php
// Initialize the session
if (session_status() == PHP_SESSION_NONE) {
    session_start();
}

// Now you can safely use session variables
$_SESSION['username'] = 'example_user';
?>

Keywords

session_start $_SESSION session_unset session_destroy session_regenerate_id

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