function fetch_gmail_inbox()
    {

        $res=array();
        /* connect to gmail */
        $hostname = '{imap.enlighten-energy.net:143/imap}';
        $username = 'abc@enlighten-energy.net';
        $password = '*******';

        /* try to connect */
        $inbox = imap_open($hostname,$username,$password) or die('Cannot connect to Gmail: ' . imap_last_error());

        /* grab emails */
        $emails = imap_search($inbox,'UNSEEN');

        /* if emails are returned, cycle through each... */
        if($emails) {

            /* put the newest emails on top */
            rsort($emails);

            /* for every email... */
            foreach($emails as $email_number) {

                /* get information specific to this email */
                $overview = imap_fetch_overview($inbox,$email_number,0);
                $message = quoted_printable_decode(imap_fetchbody($inbox,$email_number,1));
                 $structure = imap_fetchstructure($inbox,$email_number);
                if($structure->parts[0]->encoding == 3 ||$structure->encoding == 3 )
                {
                    $message=imap_base64($message);

                }
                if($structure->parts[0]->encoding == 4 ||$structure->encoding == 4)
                {
                    $message = imap_qprint($message);
                }
                $message2= quoted_printable_decode(imap_fetchbody($inbox,$email_number,0));
                $date=explode(':',$message2);
                $date2= date('d-m-Y h:i:s',strtotime($date[8].':00:00'));


                if($overview[0]->subject=="USR:Site01_Comms Complete")
                {
                    $res['date']=$date2;
                    $res['body']=$message;
                }else
                {
                    echo "not a correct mail";
                }
            }

            return $res;
    }

    /* close the connection */
    imap_close($inbox);



}