prova così
Codice PHP:
<?php
while(list($key$value) = each($dirs)) {
    
$d++;
    
    
//Controllo Ultima Modifica dir
    
$last_time_modified filemtime($value);
    
$mod date("j/m/y h:i"$last_time_modified);
    
    
//Controlli Grandezza Dir
    
$sized=(is_dir($value))?dirSize($value):filesize($value);
    
$bytesd $sized;
    
$kbytesd $bytesd/1024;
    
$mbytesd $kbytesd/(1024*1024);
    
$round round($kbytesd2);
    
    echo 
"<tr class=\"light_row\">
    <td class=\"autoindex_td\">
     <img src=\"graphics/icon/dir.png\" /><input type=\"checkbox\" name=\"rd\" onclick=\"if(this.checked){if(confirm('Cancellare la cartella: 
$value e tutto il suo contenuto?')){location.href='rd.php?rd=$directory$value'}}\" />
      
    <a id=\"fb\" href=\"index.php?dir=
$directory$value/\">$value</a>
    </td>
    <td class=\"autoindex_td_right\"><span id=\"fb\">
$round KB</span></td>
    <td class=\"autoindex_td_right\"><span id=\"fb\">
$mod</span></td></tr>";
    }
echo 
"<tr><th class=\"autoindex_th\">Files</th>
<th class=\"autoindex_th\"></th>
<th class=\"autoindex_th\"></th></tr>"





/**
 * Get the directory size
 * @param directory $directory
 * @return integer
 */
function dirSize($directory) {
    
$size 0;
    foreach(new 
RecursiveIteratorIterator(new RecursiveDirectoryIterator($directory)) as $file){
        
$size+=$file->getSize();
        }
    return 
$size;
    }
?>