Hello, I am writing a script that unzips a file and goes through the images and copys them to another directory. The problem I'm having is the while php command is duplicating some entries

Say I have 5 images in a folder, it makes 5 images but 4 of those are duplicates. Any way around this?


heres my code:

PHP Code:


 while (list($var, $img) = each($images))  {
  
   $thefile =  $img['file'];
     $thefilename =  $img['filename'];
    $ext =  file_extension($thefile);

        srand(time());
            $filename = (rand()%1000000000);
            
            
            $photo = $filename.".".$ext;
            $uploaded_file_thumb = '../images/gallery/'.$filename.".".$ext;
            $uploaded_file_thumb = '../images/gallery/thumbs/'.$filename.".".$ext;
    
            $rimg=new RESIZEIMAGE($thefile);
            $rimg->resize_limitwh("750","350",$uploaded_file);
            $rimg->resize_limitwh("100","110",$uploaded_file_thumb);
            $rimg->close();
            
        
            
    
        $query= $database->insert("gallery", 
            "name, description, cat", 
            "'$photo', '$description', '$cat'");
    
    
    
    
  } 


I may see a possible problem, but I'm not sure.

you do

PHP Code:

srand(time()); 
$filename = (rand()%1000000000); 


First there is no need for it.
Second, the modulo with such a big value could reduce it to a value that might have collisions.

I'd recommand you to try to replace this bit with an uniqid() call.
http://www.php.net/manual/en/function.uniqid.php

PHP Code:

$filename=md5(uniqid(rand(), true)); 


Maybe this could solve your problem.