if(isset($_POST['sub'])) { $rows=$_POST['row']; for($i=$rows;$i>=1;--$i) { for($j=1;$j<=$i;++$j) { echo $j; } echo "<br />"; } } ?> <table> <form method="post" name="frm" action=""> <tr> <td>Enter Number of rows:</td> <td><input type="text" name="row" /></td> </tr> <tr><td></td> <td><input type="submit" name="sub" /></td> </tr> </form> </table>