在php中输出html代码

<?php
echo <<< EOT
                 <table width=80% border="2" cellpadding="3" cellspacing="0" bordercolor="#808080">

                <tr bgcolor="#84A9E1">
                <td align="center">ClassID</td>
                <td align="center">stuno</td>
                <td  align="center">学生姓名</td>
                <td align="center">家长姓名</td>
                <td align="center">家长手机号</td>
                </tr>
EOT;
?>