leggere le immagini contenute in una cartella

[bonaprogram]

<?php
$HTML = "<table><tr>" ;
$path= "foto";
$n_foto_per_righe = 3 ;
if (is_dir("$path"))
{
    $handle=opendir($path);
    $i = 1 ;
    while (false!==($file = readdir($handle)))
    {
        if ($file != "." && $file != "..")
        {
            $HTML .= "<td><img src=\"".$path."/".$file."\"></td>";
            if ( $i == $n_foto_per_righe )
           {
               $HTML .= '</tr><tr>' ;
               $i = $n_foto_per_righe ;
           }
        }
        $i ++ ;
    }
    closedir($handle);
}
$HTML .= "</tr></table>";
echo $HTML ;
?>