form işlemleri yardım

 <form class="stdform" action="ahmet.php" method="post">
	<p>
	<label>Select</label>
	<span class="field">
                <select id="il" name="il">
                	<option value="0">Şehir Seçiniz</option>
                    <?php
						$sql=$db->q("SELECT id,il_adi FROM il ORDER BY id ASC");
						while($row=$db->fassoc($sql)){
							?>	
							<option value="<?=$row['id']?>"><?=$row['il_adi']?></option>
                            <?php
						}
					?>
                </select>
				</span>
				</p>
				
				
				
				<p>
				<br />
				<label>Dual Select</label>
                <span id="dualselect" class="dualselect">
                <select multiple="multiple" name="ilce" id="ilce" size="10">
                 
                </select>
                <span class="ds_arrow">
                                	<span class="arrow ds_prev">&laquo;</span>
                                    <span class="arrow ds_next">&raquo;</span>
                                </span>
                                <select  name="veri" multiple="multiple">
                                	<option value=""></option>
                                </select>
                            </span>
               
    </p>
    		
       
	       <br clear="all" /><br />
                        
                        <p class="stdformbutton">
                        	<button class="submit radius2">Submit Button</button>
                            <input type="reset" class="reset radius2" value="Reset Button" />
                        </p>
                        
                        
                    </form>

<?php
	$veri=$_POST['veri'];
	if ($veri){
	 foreach ($veri as $t){echo 'Seçtiğimiz Dersler ',$t,'<br />';}
	}
?>