<?php
//======================================================================================
// Check if user is logged in
//======================================================================================
if(!isset($_SESSION)) 
{ 
	session_start();
}


$size_of_session_estimate = strlen( serialize( $_SESSION ) );

echo "<hr>";
echo "Session size is: $size_of_session_estimate";
echo "<hr>";

// Create field names
foreach ( $_SESSION as $key => $value ) 
{
	$$key = $value;
	
	echo '$' . "$key --> $value<br>";
}

?>