php parse error: expecting "," or ";"

[sandro010489]

echo "/".$image_folder."/".$image_name."' " . 'alt="'.$image_name. '" />' . "\n"; 

io consiglio sempre:

$imgpath = bloginfo("template_url") . $image_folder . "/" .$image_name;
$img = sprintf( "[img]%s[/img] \n", $imgpath, $image_name  );
echo $img;