dichiarazione cartella vuota galleria foto

<?php
include "config_gallery.php"; 

ini_set("memory_limit", "128M");
set_time_limit(3000); 

$link_cat = ""; 
if(isset($_GET['cat1']))
{
    $var_cat = "";
    $i = 1;
    while ($i < 100)
    {
        $cat[$i] = $_GET['cat'.$i];
        $var_cat .= $cat[$i]."/";
        $link_cat .= "cat".$i."=".$cat[$i]."&amp;";
        $i = $i + 1;
        if (!isset($_GET['cat'.$i]))
            break;
    }
}

if (!empty($var_cat))
{
    $photo_path = $DirGallery."/".$var_cat;
    $thumb_path = $DirGallery."/".$var_cat."miniature";
}
else 
{
    $photo_path = $DirGallery."/";
    $thumb_path = $DirGallery."/miniature";
}

if (!file_exists($thumb_path))
    mkdir($thumb_path);



// codice inserito da me

//if (!empty($photo_path)){
//   echo "la galleria non contiene foto";
//}

// fine codice inserito da me



if ($handle = opendir($photo_path)) {
    while (false !== ($file = readdir($handle))) {
        if ($file != '.' && $file != '..' && $file != "Thumbs.db" && $file != "miniature") {                    
            list($width, $height, $type) = getimagesize($photo_path.$file) or die("Impossibile prelevare i file");
            if ($type == 2)
                $photos[] = $file;
        
        }
    }


    // codice inserito da me

    //if($file==0){
    //      echo "la galleria non contiene ancora immagini";
    //} 

    // fine codice inserito da me  

  
    closedir($handle);
}
else 
    echo "Impossibile aprire la cartella";

if (isset($_GET['page'])) 
    $page_num = $_GET['page'];
else
    $page_num = 1;

if ($page_num == 1 || $MaxPhoto == 0) 
    $z = 0; //Indice della prima foto per il loop
else
    $z = $MaxPhoto * ($page_num - 1);    
    
$MaxPhoto = ($MaxPhoto == 0) ? count($photos) : $MaxPhoto;    
    
$last = (($MaxPhoto * $page_num) >= count($photos)) ? count($photos) : $MaxPhoto * $page_num;

for ($i = $z; $i < $last; $i++)
{

    list($width, $height, $type) = getimagesize($photo_path.$photos[$i]) or die("Impossible to get the file data");
    
    if($width > $height)  
    {  
        $new_width = $SizePh;
        $new_height = ($SizePh * $height) / $width;
        $new_height = number_format($new_height, 0);
    }                        
    elseif($height > $width)  
    {  
        $new_height = $SizePh;
        $new_width = ($SizePh * $width) / $height;
        $new_width = number_format($new_width, 0);
    }
    elseif($height == $width)  
    {
        $new_width = $SizePh;
        $new_height = $SizePh;
    }

    if ($new_width != $width && $new_height != $height) 
    {                
        $destimg = imagecreatetruecolor($new_width,$new_height) or die("Problemi nelle creazioni dell'immagine");
        $srcimg = ImageCreateFromJPEG($photo_path.$photos[$i]) or die("Problemi nell'aprire l'immagine");
        ImageCopyResampled($destimg,$srcimg,0,0,0,0,$new_width,$new_height,ImageSX($srcimg),ImageSY($srcimg)) or die("Problemi nel ridimensionamento");
        ImageJPEG($destimg, $photo_path.$photos[$i], $Compression) or die("Problemi nel salvataggio");
    }

    list($width, $height, $type) = getimagesize($photo_path.$photos[$i]) or die("Impossible to get the file data");

    if($width > $height)  
    {  
        $new_width = $SizeTh;
        $new_height = ($SizeTh * $height) / $width;
        $new_height = number_format($new_height, 0);
    }                        
    elseif($height > $width)  
    {  
        $new_height = $SizeTh;
        $new_width = ($SizeTh * $width) / $height;
        $new_width = number_format($new_width, 0);
    }
    elseif($height == $width)  
    {
        $new_width = $SizeTh;
        $new_height = $SizeTh;
    }

    if (!file_exists($thumb_path."/".$photos[$i])) 
    {                
        $destimg = imagecreatetruecolor($new_width,$new_height) or die("Problemi nelle creazioni dell'immagine");
        $srcimg = ImageCreateFromJPEG($photo_path.$photos[$i]) or die("Problemi nell'aprire l'immagine");
        ImageCopyResampled($destimg,$srcimg,0,0,0,0,$new_width,$new_height,ImageSX($srcimg),ImageSY($srcimg)) or die("Problemi nel ridimensionamento");
        ImageJPEG($destimg, $thumb_path."/".$photos[$i], $Compression) or die("Problemi nel salvataggio");
    }
}

include "stampa_foto.php";
include "paginazione.php";
?>