ciao, vorrei far visualizzare solo i file .jpg contenuti nella cartella immagini come posso modificare il codice? grazie.

Codice PHP:
<?php
                
                
//load all images
                
$images=dirList('/web/htdocs/www.sito.it/home/public/immagini');
                
                if(
count($images)>0):
                
                
$max=count($images);
                
$c=0;
            
?>
            <tr>
                <td width="722" colspan="3">
                <div>Immagini già inserite:</div>
                <table cellpadding="2" cellspacing="2" width="100%" border="0">
                <?php
                    
foreach($images as $image){
                    
                    if(
$c==0){
                
?><tr>
                <?php
                    
}
                    
$c++;
                
?>
                <td width="220">
                    <div align="center">[img]../public/immagini/<?php echo $image?>[/img]</div>
                    <div align="center">[url="delfoto.php?s=del&n=<?php echo urlencode($image); ?>"]elimina[/url]</div>
                
                </td>
                <?php
                
                    
if($c==3){
                
?>
                </tr>
                <?php
                    $c
=0;
                    }
                    
                }
                
?>
                </table>
            </td>
            </tr>
            <?php
            
endif;
            
?>