<?
$file = __FILE__;
if (empty($_COOKIE['PHPSESSID'])) {
    header('HTTP/1.0 403 Forbidden');
    $level = 'Security';
    $errorMessage = "[{$file}] [{$level}] Session cookie not passed".PHP_EOL;
    error_log($errorMessage);
    die();
} else {
    session_id($_COOKIE['PHPSESSID']);
}
session_start([
    'gc_maxlifetime'    =>3600,
    'use_strict_mode'   =>1,
    'use_only_cookies'  =>1,
    'cookie_lifetime'   =>604800,
    'cookie_secure'     =>1,
    'cookie_httponly'   =>1
]);
//'cookie_samesite' =>1 add in after php 7.3