MIME type by file extension mapping
Below is a class for determining MIME type by file extension an vice verse. It's probably not full and not so accurate, but may come in handy in some cases.
Sample usage for getting MIME type for extension *.txt and file extensions, corresponding to text/css:
$op = new MimeTypeExtensions();
var_dump($op->get_type_by_ext("txt"));
var_dump($op->get_ext_by_type("text/css"));
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This page was last modified on 2024-04-20 14:37:04
And the class itself (downloadable link):
<?php
class MimeTypeExtensions {
public $type_by_ext = array (
'3dm' => 'x-world/x-3dmf',
'3dmf' => 'x-world/x-3dmf',
'a' => 'application/octet-stream',
'aab' => 'application/x-authorware-bin',
'aam' => 'application/x-authorware-map',
'aas' => 'application/x-authorware-seg',
'abc' => 'text/vnd.abc',
'acgi' => 'text/html',
'afl' => 'video/animaflex',
'ai' => 'application/postscript',
'aif' =>
array (
0 => 'audio/aiff',
1 => 'audio/x-aiff',
),
'aifc' =>
array (
0 => 'audio/aiff',
1 => 'audio/x-aiff',
),
'aiff' =>
array (
0 => 'audio/aiff',
1 => 'audio/x-aiff',
),
'aim' => 'application/x-aim',
'aip' => 'text/x-audiosoft-intra',
'ani' => 'application/x-navi-animation',
'aos' => 'application/x-nokia-9000-communicator-add-on-software',
'aps' => 'application/mime',
'arc' => 'application/octet-stream',
'arj' =>
array (
0 => 'application/arj',
1 => 'application/octet-stream',
),
'art' => 'image/x-jg',
'asf' => 'video/x-ms-asf',
'asm' => 'text/x-asm',
'asp' => 'text/asp',
'asx' =>
array (
0 => 'application/x-mplayer2',
1 => 'video/x-ms-asf',
2 => 'video/x-ms-asf-plugin',
),
'au' =>
array (
0 => 'audio/basic',
1 => 'audio/x-au',
),
'avi' =>
array (
0 => 'application/x-troff-msvideo',
1 => 'video/avi',
2 => 'video/msvideo',
3 => 'video/x-msvideo',
),
'avs' => 'video/avs-video',
'bcpio' => 'application/x-bcpio',
'bin' =>
array (
0 => 'application/mac-binary',
1 => 'application/macbinary',
2 => 'application/octet-stream',
3 => 'application/x-binary',
4 => 'application/x-macbinary',
),
'bm' => 'image/bmp',
'bmp' =>
array (
0 => 'image/bmp',
1 => 'image/x-windows-bmp',
),
'boo' => 'application/book',
'book' => 'application/book',
'boz' => 'application/x-bzip2',
'bsh' => 'application/x-bsh',
'bz' => 'application/x-bzip',
'bz2' => 'application/x-bzip2',
'c' =>
array (
0 => 'text/plain',
1 => 'text/x-c',
),
'c++' => 'text/plain',
'cat' => 'application/vnd.ms-pki.seccat',
'cc' =>
array (
0 => 'text/plain',
1 => 'text/x-c',
),
'ccad' => 'application/clariscad',
'cco' => 'application/x-cocoa',
'cdf' =>
array (
0 => 'application/cdf',
1 => 'application/x-cdf',
2 => 'application/x-netcdf',
),
'cer' =>
array (
0 => 'application/pkix-cert',
1 => 'application/x-x509-ca-cert',
),
'cha' => 'application/x-chat',
'chat' => 'application/x-chat',
'class' =>
array (
0 => 'application/java',
1 => 'application/java-byte-code',
2 => 'application/x-java-class',
),
'com' =>
array (
0 => 'application/octet-stream',
1 => 'text/plain',
),
'conf' => 'text/plain',
'cpio' => 'application/x-cpio',
'cpp' => 'text/x-c',
'cpt' =>
array (
0 => 'application/mac-compactpro',
1 => 'application/x-compactpro',
2 => 'application/x-cpt',
),
'crl' =>
array (
0 => 'application/pkcs-crl',
1 => 'application/pkix-crl',
),
'crt' =>
array (
0 => 'application/pkix-cert',
1 => 'application/x-x509-ca-cert',
2 => 'application/x-x509-user-cert',
),
'csh' =>
array (
0 => 'application/x-csh',
1 => 'text/x-script.csh',
),
'css' =>
array (
0 => 'application/x-pointplus',
1 => 'text/css',
),
'cxx' => 'text/plain',
'dcr' => 'application/x-director',
'deepv' => 'application/x-deepv',
'def' => 'text/plain',
'der' => 'application/x-x509-ca-cert',
'dif' => 'video/x-dv',
'dir' => 'application/x-director',
'dl' =>
array (
0 => 'video/dl',
1 => 'video/x-dl',
),
'doc' => 'application/msword',
'dot' => 'application/msword',
'dp' => 'application/commonground',
'drw' => 'application/drafting',
'dump' => 'application/octet-stream',
'dv' => 'video/x-dv',
'dvi' => 'application/x-dvi',
'dwf' =>
array (
0 => 'drawing/x-dwf (old)',
1 => 'model/vnd.dwf',
),
'dwg' =>
array (
0 => 'application/acad',
1 => 'image/vnd.dwg',
2 => 'image/x-dwg',
),
'dxf' =>
array (
0 => 'application/dxf',
1 => 'image/vnd.dwg',
2 => 'image/x-dwg',
),
'dxr' => 'application/x-director',
'el' => 'text/x-script.elisp',
'elc' =>
array (
0 => 'application/x-bytecode.elisp (compiled elisp)',
1 => 'application/x-elc',
),
'env' => 'application/x-envoy',
'eps' => 'application/postscript',
'es' => 'application/x-esrehber',
'etx' => 'text/x-setext',
'evy' =>
array (
0 => 'application/envoy',
1 => 'application/x-envoy',
),
'exe' => 'application/octet-stream',
'f' =>
array (
0 => 'text/plain',
1 => 'text/x-fortran',
),
'f77' => 'text/x-fortran',
'f90' =>
array (
0 => 'text/plain',
1 => 'text/x-fortran',
),
'fdf' => 'application/vnd.fdf',
'fif' =>
array (
0 => 'application/fractals',
1 => 'image/fif',
),
'fli' =>
array (
0 => 'video/fli',
1 => 'video/x-fli',
),
'flo' => 'image/florian',
'flx' => 'text/vnd.fmi.flexstor',
'fmf' => 'video/x-atomic3d-feature',
'for' =>
array (
0 => 'text/plain',
1 => 'text/x-fortran',
),
'fpx' =>
array (
0 => 'image/vnd.fpx',
1 => 'image/vnd.net-fpx',
),
'frl' => 'application/freeloader',
'funk' => 'audio/make',
'g' => 'text/plain',
'g3' => 'image/g3fax',
'gif' => 'image/gif',
'gl' =>
array (
0 => 'video/gl',
1 => 'video/x-gl',
),
'gsd' => 'audio/x-gsm',
'gsm' => 'audio/x-gsm',
'gsp' => 'application/x-gsp',
'gss' => 'application/x-gss',
'gtar' => 'application/x-gtar',
'gz' =>
array (
0 => 'application/x-compressed',
1 => 'application/x-gzip',
),
'gzip' =>
array (
0 => 'application/x-gzip',
1 => 'multipart/x-gzip',
),
'h' =>
array (
0 => 'text/plain',
1 => 'text/x-h',
),
'hdf' => 'application/x-hdf',
'help' => 'application/x-helpfile',
'hgl' => 'application/vnd.hp-hpgl',
'hh' =>
array (
0 => 'text/plain',
1 => 'text/x-h',
),
'hlb' => 'text/x-script',
'hlp' =>
array (
0 => 'application/hlp',
1 => 'application/x-helpfile',
2 => 'application/x-winhelp',
),
'hpg' => 'application/vnd.hp-hpgl',
'hpgl' => 'application/vnd.hp-hpgl',
'hqx' =>
array (
0 => 'application/binhex',
1 => 'application/binhex4',
2 => 'application/mac-binhex',
3 => 'application/mac-binhex40',
4 => 'application/x-binhex40',
5 => 'application/x-mac-binhex40',
),
'hta' => 'application/hta',
'htc' => 'text/x-component',
'htm' => 'text/html',
'html' => 'text/html',
'htmls' => 'text/html',
'htt' => 'text/webviewhtml',
'htx' => 'text/html',
'ice' => 'x-conference/x-cooltalk',
'ico' => 'image/x-icon',
'idc' => 'text/plain',
'ief' => 'image/ief',
'iefs' => 'image/ief',
'iges' =>
array (
0 => 'application/iges',
1 => 'model/iges',
),
'igs' =>
array (
0 => 'application/iges',
1 => 'model/iges',
),
'ima' => 'application/x-ima',
'imap' => 'application/x-httpd-imap',
'inf' => 'application/inf',
'ins' => 'application/x-internett-signup',
'ip' => 'application/x-ip2',
'isu' => 'video/x-isvideo',
'it' => 'audio/it',
'iv' => 'application/x-inventor',
'ivr' => 'i-world/i-vrml',
'ivy' => 'application/x-livescreen',
'jam' => 'audio/x-jam',
'jav' =>
array (
0 => 'text/plain',
1 => 'text/x-java-source',
),
'java' =>
array (
0 => 'text/plain',
1 => 'text/x-java-source',
),
'jcm' => 'application/x-java-commerce',
'jfif' =>
array (
0 => 'image/jpeg',
1 => 'image/pjpeg',
),
'jfif-tbnl' => 'image/jpeg',
'jpe' =>
array (
0 => 'image/jpeg',
1 => 'image/pjpeg',
),
'jpeg' =>
array (
0 => 'image/jpeg',
1 => 'image/pjpeg',
),
'jpg' =>
array (
0 => 'image/jpeg',
1 => 'image/pjpeg',
),
'jps' => 'image/x-jps',
'js' => 'application/x-javascript',
'jut' => 'image/jutvision',
'kar' =>
array (
0 => 'audio/midi',
1 => 'music/x-karaoke',
),
'ksh' =>
array (
0 => 'application/x-ksh',
1 => 'text/x-script.ksh',
),
'la' =>
array (
0 => 'audio/nspaudio',
1 => 'audio/x-nspaudio',
),
'lam' => 'audio/x-liveaudio',
'latex' => 'application/x-latex',
'lha' =>
array (
0 => 'application/lha',
1 => 'application/octet-stream',
2 => 'application/x-lha',
),
'lhx' => 'application/octet-stream',
'list' => 'text/plain',
'lma' =>
array (
0 => 'audio/nspaudio',
1 => 'audio/x-nspaudio',
),
'log' => 'text/plain',
'lsp' =>
array (
0 => 'application/x-lisp',
1 => 'text/x-script.lisp',
),
'lst' => 'text/plain',
'lsx' => 'text/x-la-asf',
'ltx' => 'application/x-latex',
'lzh' =>
array (
0 => 'application/octet-stream',
1 => 'application/x-lzh',
),
'lzx' =>
array (
0 => 'application/lzx',
1 => 'application/octet-stream',
2 => 'application/x-lzx',
),
'm' =>
array (
0 => 'text/plain',
1 => 'text/x-m',
),
'm1v' => 'video/mpeg',
'm2a' => 'audio/mpeg',
'm2v' => 'video/mpeg',
'm3u' => 'audio/x-mpequrl',
'man' => 'application/x-troff-man',
'map' => 'application/x-navimap',
'mar' => 'text/plain',
'mbd' => 'application/mbedlet',
'mc$' => 'application/x-magic-cap-package-1.0',
'mcd' =>
array (
0 => 'application/mcad',
1 => 'application/x-mathcad',
),
'mcf' =>
array (
0 => 'image/vasa',
1 => 'text/mcf',
),
'mcp' => 'application/netmc',
'me' => 'application/x-troff-me',
'mht' => 'message/rfc822',
'mhtml' => 'message/rfc822',
'mid' =>
array (
0 => 'application/x-midi',
1 => 'audio/midi',
2 => 'audio/x-mid',
3 => 'audio/x-midi',
4 => 'music/crescendo',
5 => 'x-music/x-midi',
),
'midi' =>
array (
0 => 'application/x-midi',
1 => 'audio/midi',
2 => 'audio/x-mid',
3 => 'audio/x-midi',
4 => 'music/crescendo',
5 => 'x-music/x-midi',
),
'mif' =>
array (
0 => 'application/x-frame',
1 => 'application/x-mif',
),
'mime' =>
array (
0 => 'message/rfc822',
1 => 'www/mime',
),
'mjf' => 'audio/x-vnd.audioexplosion.mjuicemediafile',
'mjpg' => 'video/x-motion-jpeg',
'mm' =>
array (
0 => 'application/base64',
1 => 'application/x-meme',
),
'mme' => 'application/base64',
'mod' =>
array (
0 => 'audio/mod',
1 => 'audio/x-mod',
),
'moov' => 'video/quicktime',
'mov' => 'video/quicktime',
'movie' => 'video/x-sgi-movie',
'mp2' =>
array (
0 => 'audio/mpeg',
1 => 'audio/x-mpeg',
2 => 'video/mpeg',
3 => 'video/x-mpeg',
4 => 'video/x-mpeq2a',
),
'mp3' =>
array (
0 => 'audio/mpeg3',
1 => 'audio/x-mpeg-3',
2 => 'video/mpeg',
3 => 'video/x-mpeg',
),
'mpa' =>
array (
0 => 'audio/mpeg',
1 => 'video/mpeg',
),
'mpc' => 'application/x-project',
'mpe' => 'video/mpeg',
'mpeg' => 'video/mpeg',
'mpg' =>
array (
0 => 'audio/mpeg',
1 => 'video/mpeg',
),
'mpga' => 'audio/mpeg',
'mpp' => 'application/vnd.ms-project',
'mpt' => 'application/x-project',
'mpv' => 'application/x-project',
'mpx' => 'application/x-project',
'mrc' => 'application/marc',
'ms' => 'application/x-troff-ms',
'mv' => 'video/x-sgi-movie',
'my' => 'audio/make',
'mzz' => 'application/x-vnd.audioexplosion.mzz',
'nap' => 'image/naplps',
'naplps' => 'image/naplps',
'nc' => 'application/x-netcdf',
'ncm' => 'application/vnd.nokia.configuration-message',
'nif' => 'image/x-niff',
'niff' => 'image/x-niff',
'nix' => 'application/x-mix-transfer',
'nsc' => 'application/x-conference',
'nvd' => 'application/x-navidoc',
'o' => 'application/octet-stream',
'oda' => 'application/oda',
'omc' => 'application/x-omc',
'omcd' => 'application/x-omcdatamaker',
'omcr' => 'application/x-omcregerator',
'p' => 'text/x-pascal',
'p10' =>
array (
0 => 'application/pkcs10',
1 => 'application/x-pkcs10',
),
'p12' =>
array (
0 => 'application/pkcs-12',
1 => 'application/x-pkcs12',
),
'p7a' => 'application/x-pkcs7-signature',
'p7c' =>
array (
0 => 'application/pkcs7-mime',
1 => 'application/x-pkcs7-mime',
),
'p7m' =>
array (
0 => 'application/pkcs7-mime',
1 => 'application/x-pkcs7-mime',
),
'p7r' => 'application/x-pkcs7-certreqresp',
'p7s' => 'application/pkcs7-signature',
'part' => 'application/pro_eng',
'pas' => 'text/pascal',
'pbm' => 'image/x-portable-bitmap',
'pcl' =>
array (
0 => 'application/vnd.hp-pcl',
1 => 'application/x-pcl',
),
'pct' => 'image/x-pict',
'pcx' => 'image/x-pcx',
'pdb' => 'chemical/x-pdb',
'pdf' => 'application/pdf',
'pfunk' =>
array (
0 => 'audio/make',
1 => 'audio/make.my.funk',
),
'pgm' =>
array (
0 => 'image/x-portable-graymap',
1 => 'image/x-portable-greymap',
),
'pic' => 'image/pict',
'pict' => 'image/pict',
'pkg' => 'application/x-newton-compatible-pkg',
'pko' => 'application/vnd.ms-pki.pko',
'pl' =>
array (
0 => 'text/plain',
1 => 'text/x-script.perl',
),
'plx' => 'application/x-pixclscript',
'pm' =>
array (
0 => 'image/x-xpixmap',
1 => 'text/x-script.perl-module',
),
'pm4' => 'application/x-pagemaker',
'pm5' => 'application/x-pagemaker',
'png' => 'image/png',
'pnm' =>
array (
0 => 'application/x-portable-anymap',
1 => 'image/x-portable-anymap',
),
'pot' =>
array (
0 => 'application/mspowerpoint',
1 => 'application/vnd.ms-powerpoint',
),
'pov' => 'model/x-pov',
'ppa' => 'application/vnd.ms-powerpoint',
'ppm' => 'image/x-portable-pixmap',
'pps' =>
array (
0 => 'application/mspowerpoint',
1 => 'application/vnd.ms-powerpoint',
),
'ppt' =>
array (
0 => 'application/mspowerpoint',
1 => 'application/powerpoint',
2 => 'application/vnd.ms-powerpoint',
3 => 'application/x-mspowerpoint',
),
'ppz' => 'application/mspowerpoint',
'pre' => 'application/x-freelance',
'prt' => 'application/pro_eng',
'ps' => 'application/postscript',
'psd' => 'application/octet-stream',
'pvu' => 'paleovu/x-pv',
'pwz' => 'application/vnd.ms-powerpoint',
'py' => 'text/x-script.phyton',
'pyc' => 'applicaiton/x-bytecode.python',
'qcp' => 'audio/vnd.qcelp',
'qd3' => 'x-world/x-3dmf',
'qd3d' => 'x-world/x-3dmf',
'qif' => 'image/x-quicktime',
'qt' => 'video/quicktime',
'qtc' => 'video/x-qtc',
'qti' => 'image/x-quicktime',
'qtif' => 'image/x-quicktime',
'ra' =>
array (
0 => 'audio/x-pn-realaudio',
1 => 'audio/x-pn-realaudio-plugin',
2 => 'audio/x-realaudio',
),
'ram' => 'audio/x-pn-realaudio',
'ras' =>
array (
0 => 'application/x-cmu-raster',
1 => 'image/cmu-raster',
2 => 'image/x-cmu-raster',
),
'rast' => 'image/cmu-raster',
'rexx' => 'text/x-script.rexx',
'rf' => 'image/vnd.rn-realflash',
'rgb' => 'image/x-rgb',
'rm' =>
array (
0 => 'application/vnd.rn-realmedia',
1 => 'audio/x-pn-realaudio',
),
'rmi' => 'audio/mid',
'rmm' => 'audio/x-pn-realaudio',
'rmp' =>
array (
0 => 'audio/x-pn-realaudio',
1 => 'audio/x-pn-realaudio-plugin',
),
'rng' =>
array (
0 => 'application/ringing-tones',
1 => 'application/vnd.nokia.ringing-tone',
),
'rnx' => 'application/vnd.rn-realplayer',
'roff' => 'application/x-troff',
'rp' => 'image/vnd.rn-realpix',
'rpm' => 'audio/x-pn-realaudio-plugin',
'rt' =>
array (
0 => 'text/richtext',
1 => 'text/vnd.rn-realtext',
),
'rtf' =>
array (
0 => 'application/rtf',
1 => 'application/x-rtf',
2 => 'text/richtext',
),
'rtx' =>
array (
0 => 'application/rtf',
1 => 'text/richtext',
),
'rv' => 'video/vnd.rn-realvideo',
's' => 'text/x-asm',
's3m' => 'audio/s3m',
'saveme' => 'application/octet-stream',
'sbk' => 'application/x-tbook',
'scm' =>
array (
0 => 'application/x-lotusscreencam',
1 => 'text/x-script.guile',
2 => 'text/x-script.scheme',
3 => 'video/x-scm',
),
'sdml' => 'text/plain',
'sdp' =>
array (
0 => 'application/sdp',
1 => 'application/x-sdp',
),
'sdr' => 'application/sounder',
'sea' =>
array (
0 => 'application/sea',
1 => 'application/x-sea',
),
'set' => 'application/set',
'sgm' =>
array (
0 => 'text/sgml',
1 => 'text/x-sgml',
),
'sgml' =>
array (
0 => 'text/sgml',
1 => 'text/x-sgml',
),
'sh' =>
array (
0 => 'application/x-bsh',
1 => 'application/x-sh',
2 => 'application/x-shar',
3 => 'text/x-script.sh',
),
'shar' =>
array (
0 => 'application/x-bsh',
1 => 'application/x-shar',
),
'shtml' =>
array (
0 => 'text/html',
1 => 'text/x-server-parsed-html',
),
'sid' => 'audio/x-psid',
'sit' =>
array (
0 => 'application/x-sit',
1 => 'application/x-stuffit',
),
'skd' => 'application/x-koan',
'skm' => 'application/x-koan',
'skp' => 'application/x-koan',
'skt' => 'application/x-koan',
'sl' => 'application/x-seelogo',
'smi' => 'application/smil',
'smil' => 'application/smil',
'snd' =>
array (
0 => 'audio/basic',
1 => 'audio/x-adpcm',
),
'sol' => 'application/solids',
'spc' =>
array (
0 => 'application/x-pkcs7-certificates',
1 => 'text/x-speech',
),
'spl' => 'application/futuresplash',
'spr' => 'application/x-sprite',
'sprite' => 'application/x-sprite',
'src' => 'application/x-wais-source',
'ssi' => 'text/x-server-parsed-html',
'ssm' => 'application/streamingmedia',
'sst' => 'application/vnd.ms-pki.certstore',
'step' => 'application/step',
'stl' =>
array (
0 => 'application/sla',
1 => 'application/vnd.ms-pki.stl',
2 => 'application/x-navistyle',
),
'stp' => 'application/step',
'sv4cpio' => 'application/x-sv4cpio',
'sv4crc' => 'application/x-sv4crc',
'svf' =>
array (
0 => 'image/vnd.dwg',
1 => 'image/x-dwg',
),
'svr' =>
array (
0 => 'application/x-world',
1 => 'x-world/x-svr',
),
'swf' => 'application/x-shockwave-flash',
't' => 'application/x-troff',
'talk' => 'text/x-speech',
'tar' => 'application/x-tar',
'tbk' =>
array (
0 => 'application/toolbook',
1 => 'application/x-tbook',
),
'tcl' =>
array (
0 => 'application/x-tcl',
1 => 'text/x-script.tcl',
),
'tcsh' => 'text/x-script.tcsh',
'tex' => 'application/x-tex',
'texi' => 'application/x-texinfo',
'texinfo' => 'application/x-texinfo',
'text' =>
array (
0 => 'application/plain',
1 => 'text/plain',
),
'tgz' =>
array (
0 => 'application/gnutar',
1 => 'application/x-compressed',
),
'tif' =>
array (
0 => 'image/tiff',
1 => 'image/x-tiff',
),
'tiff' =>
array (
0 => 'image/tiff',
1 => 'image/x-tiff',
),
'tr' => 'application/x-troff',
'tsi' => 'audio/tsp-audio',
'tsp' =>
array (
0 => 'application/dsptype',
1 => 'audio/tsplayer',
),
'tsv' => 'text/tab-separated-values',
'turbot' => 'image/florian',
'txt' => 'text/plain',
'uil' => 'text/x-uil',
'uni' => 'text/uri-list',
'unis' => 'text/uri-list',
'unv' => 'application/i-deas',
'uri' => 'text/uri-list',
'uris' => 'text/uri-list',
'ustar' =>
array (
0 => 'application/x-ustar',
1 => 'multipart/x-ustar',
),
'uu' =>
array (
0 => 'application/octet-stream',
1 => 'text/x-uuencode',
),
'uue' => 'text/x-uuencode',
'vcd' => 'application/x-cdlink',
'vcs' => 'text/x-vcalendar',
'vda' => 'application/vda',
'vdo' => 'video/vdo',
'vew' => 'application/groupwise',
'viv' =>
array (
0 => 'video/vivo',
1 => 'video/vnd.vivo',
),
'vivo' =>
array (
0 => 'video/vivo',
1 => 'video/vnd.vivo',
),
'vmd' => 'application/vocaltec-media-desc',
'vmf' => 'application/vocaltec-media-file',
'voc' =>
array (
0 => 'audio/voc',
1 => 'audio/x-voc',
),
'vos' => 'video/vosaic',
'vox' => 'audio/voxware',
'vqe' => 'audio/x-twinvq-plugin',
'vqf' => 'audio/x-twinvq',
'vql' => 'audio/x-twinvq-plugin',
'vrml' =>
array (
0 => 'application/x-vrml',
1 => 'model/vrml',
2 => 'x-world/x-vrml',
),
'vrt' => 'x-world/x-vrt',
'vsd' => 'application/x-visio',
'vst' => 'application/x-visio',
'vsw' => 'application/x-visio',
'w60' => 'application/wordperfect6.0',
'w61' => 'application/wordperfect6.1',
'w6w' => 'application/msword',
'wav' =>
array (
0 => 'audio/wav',
1 => 'audio/x-wav',
),
'wb1' => 'application/x-qpro',
'wbmp' => 'image/vnd.wap.wbmp',
'web' => 'application/vnd.xara',
'wiz' => 'application/msword',
'wk1' => 'application/x-123',
'wmf' => 'windows/metafile',
'wml' => 'text/vnd.wap.wml',
'wmlc' => 'application/vnd.wap.wmlc',
'wmls' => 'text/vnd.wap.wmlscript',
'wmlsc' => 'application/vnd.wap.wmlscriptc',
'word' => 'application/msword',
'wp' => 'application/wordperfect',
'wp5' =>
array (
0 => 'application/wordperfect',
1 => 'application/wordperfect6.0',
),
'wp6' => 'application/wordperfect',
'wpd' =>
array (
0 => 'application/wordperfect',
1 => 'application/x-wpwin',
),
'wq1' => 'application/x-lotus',
'wri' =>
array (
0 => 'application/mswrite',
1 => 'application/x-wri',
),
'wrl' =>
array (
0 => 'application/x-world',
1 => 'model/vrml',
2 => 'x-world/x-vrml',
),
'wrz' =>
array (
0 => 'model/vrml',
1 => 'x-world/x-vrml',
),
'wsc' => 'text/scriplet',
'wsrc' => 'application/x-wais-source',
'wtk' => 'application/x-wintalk',
'xbm' =>
array (
0 => 'image/x-xbitmap',
1 => 'image/x-xbm',
2 => 'image/xbm',
),
'xdr' => 'video/x-amt-demorun',
'xgz' => 'xgl/drawing',
'xif' => 'image/vnd.xiff',
'xl' => 'application/excel',
'xla' =>
array (
0 => 'application/excel',
1 => 'application/x-excel',
2 => 'application/x-msexcel',
),
'xlb' =>
array (
0 => 'application/excel',
1 => 'application/vnd.ms-excel',
2 => 'application/x-excel',
),
'xlc' =>
array (
0 => 'application/excel',
1 => 'application/vnd.ms-excel',
2 => 'application/x-excel',
),
'xld' =>
array (
0 => 'application/excel',
1 => 'application/x-excel',
),
'xlk' =>
array (
0 => 'application/excel',
1 => 'application/x-excel',
),
'xll' =>
array (
0 => 'application/excel',
1 => 'application/vnd.ms-excel',
2 => 'application/x-excel',
),
'xlm' =>
array (
0 => 'application/excel',
1 => 'application/vnd.ms-excel',
2 => 'application/x-excel',
),
'xls' =>
array (
0 => 'application/excel',
1 => 'application/vnd.ms-excel',
2 => 'application/x-excel',
3 => 'application/x-msexcel',
),
'xlt' =>
array (
0 => 'application/excel',
1 => 'application/x-excel',
),
&n