Cambio $_FILE......== "image/zip"

[homerbit]

if ((($_FILES["file"]["type"] == "application/zip")
|| ($_FILES["file"]["type"] == "application/x-zip-compressed")
|| ($_FILES["file"]["type"] == "multipart/x-zip")
|| ($_FILES["file"]["type"] == "application/x-compressed")
|| ($_FILES["file"]["type"] == "application/octet-stream")))