Delete all files in folder except with certain name

Posted on 16th Feb 2014 by admin

I have a script that I want to delete all files in a folder (taken from a database) except for one named thumb1.jpg

I have this, but this deletes all the files and a subfolder if there is one. How can I modify it to leave the folder and thumb1.jpg intact, but remove any other files in this folder?

if($folder!="" and file_exists($_SERVER["DOCUMENT_ROOT"].site_root.site_upload_directory."/".$folder))
{
$dir = opendir ($_SERVER["DOCUMENT_ROOT"].site_root.site_upload_directory."/".$folder);
while ($file = readdir ($dir))
{
if($file <> "." && $file <> "..")
{
if(is_dir($_SERVER["DOCUMENT_ROOT"].site_root.site_upload_directory."/".$folder."/".$file))
{
$dir2 = opendir ($_SERVER["DOCUMENT_ROOT"].site_root.site_upload_directory."/".$folder."/".$file);
while ($file2 = readdir ($dir2))
{
if($file2 <> "." && $file2 <> "..")
{
@unlink($_SERVER["DOCUMENT_ROOT"].site_root.site_upload_directory."/".$folder."/".$file."/".$file2);
}
}
@rmdir($_SERVER["DOCUMENT_ROOT"].site_root.site_upload_directory."/".$folder."/".$file);
}
else
{
@unlink($_SERVER["DOCUMENT_ROOT"].site_root.site_upload_directory."/".$folder."/".$file);
}
}
}
@rmdir($_SERVER["DOCUMENT_ROOT"].site_root.site_upload_directory."/".$folder);
}

}

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