$(".tweet").tweet({
            username: "khalid",
            join_text: "auto",
            avatar_size: 20,
            count: 1,
            auto_join_text_default: "",
            auto_join_text_ed: "",
            auto_join_text_ing: "",
            auto_join_text_reply: "",
            auto_join_text_url: "",
            loading_text: "  جاري تحميل التغريدات .."
        });

<?php
$nametweet = "khalid";
?>