Is it necessary to pass the SessionID through $_GET when constantly reloading the index.php page in PHP?

When constantly reloading the index.php page in PHP, it is not necessary to pass the SessionID through $_GET every time. PHP handles sessions using cookies by default, so as long as session_start() is called at the beginning of the script, the SessionID will be maintained and accessible throughout the session without needing to pass it through $_GET. 

<?php
session_start();

// Your PHP code here
// Session data can be accessed using $_SESSION superglobal

?>

Keywords

SessionID $_GET index.php reloading PHP

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