last to first

function show_testimonials($p_id,$m_id){
 $sql_query="select * from testimonials where mem_id='$p_id' and stat='a'";
 $num=sql_execute($sql_query,'num');
 if($num==0){
   echo "<p align=center>";echo name_header($p_id,$m_id);echo " has no testimonials.</p>";
 }
 else {
 $res=sql_execute($sql_query,'res');
 while($tst=mysql_fetch_object($res)){

    echo "<table class='body' vasilek><tr><td class=lined>";show_photo($tst->from_id);echo "</br>";
    show_online($tst->from_id);echo "</td>";
    $date=date("F d, Y",$tst->added);
    echo "<td valign=top>$date</br>".stripslashes($tst->testimonial)."</td></table>";
 }