<http://schema.org/telephone>
"+62-21-2922-3600"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.kaskus.co.id/thread/50c3e33e611243f76d00005a/tanya-file-php-tidak-bisa-tampil-di-browser-malah-terdownload-filenya>