if(!file_exists($filepathb)) {
$userfile="wp-content/blogs.dir/".$blog_id;
$userfolder="wp-content/blogs.dir/".$blog_id."/files";
mkdir($userfile);
mkdir($userfolder);
}

mkdir($cachepatha);
$newfilelocation=$filepathb."/categorya.jpg";

if (file_exists("wp-content/uploads/1.jpg"))
{
copy ("wp-content/uploads/1.jpg", $newfilelocation) or die ("Could not copy file");
}