così:

Codice PHP:
<?php 
echo "<table width=\"350\" border=\"1\" bgcolor=\"#FFFFFF\" bordercolor=\"#999999\"> 
  <tr> 
    <th  border=\"1\" bordercolor=\"black\" bgcolor=\"#CCCCCC\" colspan=\"2\" scope=\"col\"><div align=\"center\" class=\"Stile18\">REQUEST DATA</div></th> 
  </tr> 
  <tr> 
    <td align=\"left\" class=\"Stile18\">[b]DATA INIZIALE: 
$yearF/$monthF/$dayF</td> 
    <td align=\"left\" class=\"Stile18\">[b]ORA INIZIALE: 
$hourF:$minF</td> 
  </tr> 
  <tr> 
    <td align=\"left\" class=\"Stile18\">[b]DATA FINALE: 
$yearL/$monthL/$dayL</td> 
    <td align=\"left\" class=\"Stile18\">[b]ORA FINALE: 
$hourL:$minL</td> 
  </tr> 
  <tr> 
    <td align=\"left\" class=\"Stile18\" colspan=\"2\">[b]CAMPIONAMENTO: 
$sampling sec.</td> 
  </tr> 
  <tr> 
    <td align=\"left\" class=\"Stile18\" colspan=\"2\">[b]STAZIONI"
;
                       for (
$j 0$j 9$j++){ 
                      if(isset( 
$_POST["$stazioni[$j]"] )) { 
                                                            echo 
"$stazioni[$j]"
                          } 
                      } 
echo
"
</td> 
</tr> 
</table>" 
;