friendica/src/Util/Mimetype.php
Adam Magness a80705a836 Function calls
Rename function, update calls
2018-01-15 08:32:11 -05:00

1085 lines
40 KiB
PHP

<?php
/**
* @file src/Util/Mimetype.php
*/
namespace Friendica\Util;
class Mimetype
{
/**
* Return mimetype based on file extension
*
* @param string $filename filename
* @return mixed array or string
*/
public static function getContentType($filename)
{
$mime_types = [
/*'txt' => 'text/plain',
'htm' => 'text/html',
'html' => 'text/html',
'php' => 'text/html',
'css' => 'text/css',
'js' => 'application/javascript',
'json' => 'application/json',
'xml' => 'application/xml',
'swf' => 'application/x-shockwave-flash',
'flv' => 'video/x-flv',
// images
'png' => 'image/png',
'jpe' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'jpg' => 'image/jpeg',
'gif' => 'image/gif',
'bmp' => 'image/bmp',
'ico' => 'image/vnd.microsoft.icon',
'tiff' => 'image/tiff',
'tif' => 'image/tiff',
'svg' => 'image/svg+xml',
'svgz' => 'image/svg+xml',
// archives
'zip' => 'application/zip',
'rar' => 'application/x-rar-compressed',
'exe' => 'application/x-msdownload',
'msi' => 'application/x-msdownload',
'cab' => 'application/vnd.ms-cab-compressed',
// audio/video
'mp3' => 'audio/mpeg',
'wav' => 'audio/wav',
'qt' => 'video/quicktime',
'mov' => 'video/quicktime',
'ogg' => 'application/ogg',
'mp4' => 'video/mp4',
'avi' => 'video/x-msvideo',
'wmv' => 'video/x-ms-wmv',
'wma' => 'audio/x-ms-wma',
// adobe
'pdf' => 'application/pdf',
'psd' => 'image/vnd.adobe.photoshop',
'ai' => 'application/postscript',
'eps' => 'application/postscript',
'ps' => 'application/postscript',
// ms office
'doc' => 'application/msword',
'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'rtf' => 'application/rtf',
'xls' => 'application/vnd.ms-excel',
'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'ppt' => 'application/vnd.ms-powerpoint',
'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
// open office
'odt' => 'application/vnd.oasis.opendocument.text',
'ods' => 'application/vnd.oasis.opendocument.spreadsheet',*/
// Assembled from the original Friendica list and
// lists from http://www.freeformatter.com/mime-types-list.html
// and http://www.webmaster-toolkit.com/mime-types.shtml
'123' => 'application/vnd.lotus-1-2-3',
'3dm' => 'x-world/x-3dmf',
'3dmf' => 'x-world/x-3dmf',
'3dml' => 'text/vnd.in3d.3dml',
'3g2' => 'video/3gpp2',
'3gp' => 'video/3gpp',
'7z' => 'application/x-7z-compressed',
'a' => 'application/octet-stream',
'aab' => 'application/x-authorware-bin',
'aac' => 'audio/x-aac',
'aam' => 'application/x-authorware-map',
'aas' => 'application/x-authorware-seg',
'abc' => 'text/vnd.abc',
'abw' => 'application/x-abiword',
'ac' => 'application/pkix-attr-cert',
'acc' => 'application/vnd.americandynamics.acc',
'ace' => 'application/x-ace-compressed',
'acgi' => 'text/html',
'acu' => 'application/vnd.acucobol',
'adp' => 'audio/adpcm',
'aep' => 'application/vnd.audiograph',
'afl' => 'video/animaflex',
'afp' => 'application/vnd.ibm.modcap',
'ahead' => 'application/vnd.ahead.space',
'ai' => 'application/postscript',
'aif' => 'audio/x-aiff',
'aifc' => 'audio/x-aiff',
'aiff' => 'audio/x-aiff',
'aim' => 'application/x-aim',
'aip' => 'text/x-audiosoft-intra',
'air' => 'application/vnd.adobe.air-application-installer-package+zip',
'ait' => 'application/vnd.dvb.ait',
'ami' => 'application/vnd.amiga.ami',
'ani' => 'application/x-navi-animation',
'aos' => 'application/x-nokia-9000-communicator-add-on-software',
'apk' => 'application/vnd.android.package-archive',
'application' => 'application/x-ms-application',
'apr' => 'application/vnd.lotus-approach',
'aps' => 'application/mime',
'arc' => 'application/octet-stream',
'arj' => 'application/octet-stream',
'art' => 'image/x-jg',
'asf' => 'video/x-ms-asf',
'asm' => 'text/x-asm',
'aso' => 'application/vnd.accpac.simply.aso',
'asp' => 'text/asp',
'asx' => 'video/x-ms-asf-plugin',
'atc' => 'application/vnd.acucorp',
'atom' => 'application/atom+xml',
'atomcat' => 'application/atomcat+xml',
'atomsvc' => 'application/atomsvc+xml',
'atx' => 'application/vnd.antix.game-component',
'au' => 'audio/basic',
'avi' => 'video/x-msvideo',
'avs' => 'video/avs-video',
'aw' => 'application/applixware',
'azf' => 'application/vnd.airzip.filesecure.azf',
'azs' => 'application/vnd.airzip.filesecure.azs',
'azw' => 'application/vnd.amazon.ebook',
'bcpio' => 'application/x-bcpio',
'bdf' => 'application/x-font-bdf',
'bdm' => 'application/vnd.syncml.dm+wbxml',
'bed' => 'application/vnd.realvnc.bed',
'bh2' => 'application/vnd.fujitsu.oasysprs',
'bin' => 'application/octet-stream',
'bm' => 'image/bmp',
'bmi' => 'application/vnd.bmi',
'bmp' => 'image/bmp',
'boo' => 'application/book',
'book' => 'application/book',
'box' => 'application/vnd.previewsystems.box',
'boz' => 'application/x-bzip2',
'bsh' => 'application/x-bsh',
'btif' => 'image/prs.btif',
'bz' => 'application/x-bzip',
'bz2' => 'application/x-bzip2',
'c' => 'text/x-c',
'c++' => 'text/plain',
'c11amc' => 'application/vnd.cluetrust.cartomobile-config',
'c11amz' => 'application/vnd.cluetrust.cartomobile-config-pkg',
'c4g' => 'application/vnd.clonk.c4group',
'cab' => 'application/vnd.ms-cab-compressed',
'car' => 'application/vnd.curl.car',
'cat' => 'application/vnd.ms-pki.seccat',
'cc' => 'text/x-c',
'ccad' => 'application/clariscad',
'cco' => 'application/x-cocoa',
'ccxml' => 'application/ccxml+xml,',
'cdbcmsg' => 'application/vnd.contact.cmsg',
'cdf' => 'application/x-netcdf',
'cdkey' => 'application/vnd.mediastation.cdkey',
'cdmia' => 'application/cdmi-capability',
'cdmic' => 'application/cdmi-container',
'cdmid' => 'application/cdmi-domain',
'cdmio' => 'application/cdmi-object',
'cdmiq' => 'application/cdmi-queue',
'cdx' => 'chemical/x-cdx',
'cdxml' => 'application/vnd.chemdraw+xml',
'cdy' => 'application/vnd.cinderella',
'cer' => 'application/pkix-cert',
'cgm' => 'image/cgm',
'cha' => 'application/x-chat',
'chat' => 'application/x-chat',
'chm' => 'application/vnd.ms-htmlhelp',
'chrt' => 'application/vnd.kde.kchart',
'cif' => 'chemical/x-cif',
'cii' => 'application/vnd.anser-web-certificate-issue-initiation',
'cil' => 'application/vnd.ms-artgalry',
'cla' => 'application/vnd.claymore',
'class' => 'application/java-vm',
'clkk' => 'application/vnd.crick.clicker.keyboard',
'clkp' => 'application/vnd.crick.clicker.palette',
'clkt' => 'application/vnd.crick.clicker.template',
'clkw' => 'application/vnd.crick.clicker.wordbank',
'clkx' => 'application/vnd.crick.clicker',
'clp' => 'application/x-msclip',
'cmc' => 'application/vnd.cosmocaller',
'cmdf' => 'chemical/x-cmdf',
'cml' => 'chemical/x-cml',
'cmp' => 'application/vnd.yellowriver-custom-menu',
'cmx' => 'image/x-cmx',
'cod' => 'application/vnd.rim.cod',
'com' => 'text/plain',
'conf' => 'text/plain',
'cpio' => 'application/x-cpio',
'cpp' => 'text/x-c',
'cpt' => 'application/mac-compactpro',
'crd' => 'application/x-mscardfile',
'crl' => 'application/pkix-crl',
'crt' => 'application/x-x509-user-cert',
'cryptonote' => 'application/vnd.rig.cryptonote',
'csh' => 'application/x-csh',
'csml' => 'chemical/x-csml',
'csp' => 'application/vnd.commonspace',
'css' => 'text/css',
'csv' => 'text/csv',
'cu' => 'application/cu-seeme',
'curl' => 'text/vnd.curl',
'cww' => 'application/prs.cww',
'cxx' => 'text/plain',
'dae' => 'model/vnd.collada+xml',
'daf' => 'application/vnd.mobius.daf',
'davmount' => 'application/davmount+xml',
'dcr' => 'application/x-director',
'dcurl' => 'text/vnd.curl.dcurl',
'dd2' => 'application/vnd.oma.dd2+xml',
'ddd' => 'application/vnd.fujixerox.ddd',
'deb' => 'application/x-debian-package',
'deepv' => 'application/x-deepv',
'def' => 'text/plain',
'der' => 'application/x-x509-ca-cert',
'dfac' => 'application/vnd.dreamfactory',
'dif' => 'video/x-dv',
'dir' => 'application/x-director',
'dis' => 'application/vnd.mobius.dis',
'djvu' => 'image/vnd.djvu',
'dl' => 'video/x-dl',
'dna' => 'application/vnd.dna',
'doc' => 'application/msword',
'docm' => 'application/vnd.ms-word.document.macroenabled.12',
'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'dot' => 'application/msword',
'dotm' => 'application/vnd.ms-word.template.macroenabled.12',
'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
'dp' => 'application/vnd.osgi.dp',
'dpg' => 'application/vnd.dpgraph',
'dra' => 'audio/vnd.dra',
'drw' => 'application/drafting',
'dsc' => 'text/prs.lines.tag',
'dssc' => 'application/dssc+der',
'dtb' => 'application/x-dtbook+xml',
'dtd' => 'application/xml-dtd',
'dts' => 'audio/vnd.dts',
'dtshd' => 'audio/vnd.dts.hd',
'dump' => 'application/octet-stream',
'dv' => 'video/x-dv',
'dvi' => 'application/x-dvi',
'dwf' => 'model/vnd.dwf',
'dwg' => 'image/vnd.dwg',
'dxf' => 'image/vnd.dxf',
'dxp' => 'application/vnd.spotfire.dxp',
'dxr' => 'application/x-director',
'ecelp4800' => 'audio/vnd.nuera.ecelp4800',
'ecelp7470' => 'audio/vnd.nuera.ecelp7470',
'ecelp9600' => 'audio/vnd.nuera.ecelp9600',
'edm' => 'application/vnd.novadigm.edm',
'edx' => 'application/vnd.novadigm.edx',
'efif' => 'application/vnd.picsel',
'ei6' => 'application/vnd.pg.osasli',
'el' => 'text/x-script.elisp',
'elc' => 'application/x-elc',
'eml' => 'message/rfc822',
'emma' => 'application/emma+xml',
'env' => 'application/x-envoy',
'eol' => 'audio/vnd.digital-winds',
'eot' => 'application/vnd.ms-fontobject',
'eps' => 'application/postscript',
'epub' => 'application/epub+zip',
'es' => 'application/ecmascript',
'es3' => 'application/vnd.eszigno3+xml',
'esf' => 'application/vnd.epson.esf',
'etx' => 'text/x-setext',
'evy' => 'application/x-envoy',
'exe' => 'application/x-msdownload',
'exi' => 'application/exi',
'ext' => 'application/vnd.novadigm.ext',
'ez2' => 'application/vnd.ezpix-album',
'ez3' => 'application/vnd.ezpix-package',
'f' => 'text/x-fortran',
'f4v' => 'video/x-f4v',
'f77' => 'text/x-fortran',
'f90' => 'text/x-fortran',
'fbs' => 'image/vnd.fastbidsheet',
'fcs' => 'application/vnd.isac.fcs',
'fdf' => 'application/vnd.fdf',
'fe_launch' => 'application/vnd.denovo.fcselayout-link',
'fg5' => 'application/vnd.fujitsu.oasysgp',
'fh' => 'image/x-freehand',
'fif' => 'image/fif',
'fig' => 'application/x-xfig',
'fli' => 'video/x-fli',
'flo' => 'application/vnd.micrografx.flo',
'flv' => 'video/x-flv',
'flw' => 'application/vnd.kde.kivio',
'flx' => 'text/vnd.fmi.flexstor',
'fly' => 'text/vnd.fly',
'fm' => 'application/vnd.framemaker',
'fmf' => 'video/x-atomic3d-feature',
'fnc' => 'application/vnd.frogans.fnc',
'for' => 'text/x-fortran',
'fpx' => 'image/vnd.fpx',
'frl' => 'application/freeloader',
'fsc' => 'application/vnd.fsc.weblaunch',
'fst' => 'image/vnd.fst',
'ftc' => 'application/vnd.fluxtime.clip',
'fti' => 'application/vnd.anser-web-funds-transfer-initiation',
'funk' => 'audio/make',
'fvt' => 'video/vnd.fvt',
'fxp' => 'application/vnd.adobe.fxp',
'fzs' => 'application/vnd.fuzzysheet',
'g' => 'text/plain',
'g2w' => 'application/vnd.geoplan',
'g3' => 'image/g3fax',
'g3w' => 'application/vnd.geospace',
'gac' => 'application/vnd.groove-account',
'gdl' => 'model/vnd.gdl',
'geo' => 'application/vnd.dynageo',
'gex' => 'application/vnd.geometry-explorer',
'ggb' => 'application/vnd.geogebra.file',
'ggt' => 'application/vnd.geogebra.tool',
'ghf' => 'application/vnd.groove-help',
'gif' => 'image/gif',
'gim' => 'application/vnd.groove-identity-message',
'gl' => 'video/x-gl',
'gmx' => 'application/vnd.gmx',
'gnumeric' => 'application/x-gnumeric',
'gph' => 'application/vnd.flographit',
'gqf' => 'application/vnd.grafeq',
'gram' => 'application/srgs',
'grv' => 'application/vnd.groove-injector',
'grxml' => 'application/srgs+xml',
'gsd' => 'audio/x-gsm',
'gsf' => 'application/x-font-ghostscript',
'gsm' => 'audio/x-gsm',
'gsp' => 'application/x-gsp',
'gss' => 'application/x-gss',
'gtar' => 'application/x-gtar',
'gtm' => 'application/vnd.groove-tool-message',
'gtw' => 'model/vnd.gtw',
'gv' => 'text/vnd.graphviz',
'gxt' => 'application/vnd.geonext',
'gz' => 'application/x-gzip',
'gzip' => 'multipart/x-gzip',
'h' => 'text/x-h',
'h261' => 'video/h261',
'h263' => 'video/h263',
'h264' => 'video/h264',
'hal' => 'application/vnd.hal+xml',
'hbci' => 'application/vnd.hbci',
'hdf' => 'application/x-hdf',
'help' => 'application/x-helpfile',
'hgl' => 'application/vnd.hp-hpgl',
'hh' => 'text/x-h',
'hlb' => 'text/x-script',
'hlp' => 'application/winhlp',
'hpg' => 'application/vnd.hp-hpgl',
'hpgl' => 'application/vnd.hp-hpgl',
'hpid' => 'application/vnd.hp-hpid',
'hps' => 'application/vnd.hp-hps',
'hqx' => 'application/mac-binhex40',
'hta' => 'application/hta',
'htc' => 'text/x-component',
'htke' => 'application/vnd.kenameaapp',
'htm' => 'text/html',
'html' => 'text/html',
'htmls' => 'text/html',
'htt' => 'text/webviewhtml',
'htx' => 'text/html',
'hvd' => 'application/vnd.yamaha.hv-dic',
'hvp' => 'application/vnd.yamaha.hv-voice',
'hvs' => 'application/vnd.yamaha.hv-script',
'i2g' => 'application/vnd.intergeo',
'icc' => 'application/vnd.iccprofile',
'ice' => 'x-conference/x-cooltalk',
'ico' => 'image/vnd.microsoft.icon',
'ics' => 'text/calendar',
'idc' => 'text/plain',
'ief' => 'image/ief',
'iefs' => 'image/ief',
'ifm' => 'application/vnd.shana.informed.formdata',
'iges' => 'model/iges',
'igl' => 'application/vnd.igloader',
'igm' => 'application/vnd.insors.igm',
'igs' => 'model/iges',
'igx' => 'application/vnd.micrografx.igx',
'iif' => 'application/vnd.shana.informed.interchange',
'ima' => 'application/x-ima',
'imap' => 'application/x-httpd-imap',
'imp' => 'application/vnd.accpac.simply.imp',
'ims' => 'application/vnd.ms-ims',
'inf' => 'application/inf',
'ins' => 'application/x-internett-signup',
'ip' => 'application/x-ip2',
'ipfix' => 'application/ipfix',
'ipk' => 'application/vnd.shana.informed.package',
'irm' => 'application/vnd.ibm.rights-management',
'irp' => 'application/vnd.irepository.package+xml',
'isu' => 'video/x-isvideo',
'it' => 'audio/it',
'itp' => 'application/vnd.shana.informed.formtemplate',
'iv' => 'application/x-inventor',
'ivp' => 'application/vnd.immervision-ivp',
'ivr' => 'i-world/i-vrml',
'ivu' => 'application/vnd.immervision-ivu',
'ivy' => 'application/x-livescreen',
'jad' => 'text/vnd.sun.j2me.app-descriptor',
'jam' => 'application/vnd.jam',
'jar' => 'application/java-archive',
'jav' => 'text/x-java-source',
'java' => 'text/x-java-source,java',
'jcm' => 'application/x-java-commerce',
'jfif' => 'image/pjpeg',
'jfif-tbnl' => 'image/jpeg',
'jisp' => 'application/vnd.jisp',
'jlt' => 'application/vnd.hp-jlyt',
'jnlp' => 'application/x-java-jnlp-file',
'joda' => 'application/vnd.joost.joda-archive',
'jpe' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'jpg' => 'image/jpeg',
'jpgv' => 'video/jpeg',
'jpm' => 'video/jpm',
'jps' => 'image/x-jps',
'js' => 'application/javascript',
'json' => 'application/json',
'jut' => 'image/jutvision',
'kar' => 'music/x-karaoke',
'karbon' => 'application/vnd.kde.karbon',
'kfo' => 'application/vnd.kde.kformula',
'kia' => 'application/vnd.kidspiration',
'kml' => 'application/vnd.google-earth.kml+xml',
'kmz' => 'application/vnd.google-earth.kmz',
'kne' => 'application/vnd.kinar',
'kon' => 'application/vnd.kde.kontour',
'kpr' => 'application/vnd.kde.kpresenter',
'ksh' => 'text/x-script.ksh',
'ksp' => 'application/vnd.kde.kspread',
'ktx' => 'image/ktx',
'ktz' => 'application/vnd.kahootz',
'kwd' => 'application/vnd.kde.kword',
'la' => 'audio/x-nspaudio',
'lam' => 'audio/x-liveaudio',
'lasxml' => 'application/vnd.las.las+xml',
'latex' => 'application/x-latex',
'lbd' => 'application/vnd.llamagraphics.life-balance.desktop',
'lbe' => 'application/vnd.llamagraphics.life-balance.exchange+xml',
'les' => 'application/vnd.hhe.lesson-player',
'lha' => 'application/x-lha',
'lhx' => 'application/octet-stream',
'link66' => 'application/vnd.route66.link66+xml',
'list' => 'text/plain',
'lma' => 'audio/x-nspaudio',
'log' => 'text/plain',
'lrm' => 'application/vnd.ms-lrm',
'lsp' => 'text/x-script.lisp',
'lst' => 'text/plain',
'lsx' => 'text/x-la-asf',
'ltf' => 'application/vnd.frogans.ltf',
'ltx' => 'application/x-latex',
'lvp' => 'audio/vnd.lucent.voice',
'lwp' => 'application/vnd.lotus-wordpro',
'lzh' => 'application/x-lzh',
'lzx' => 'application/x-lzx',
'm' => 'text/x-m',
'm1v' => 'video/mpeg',
'm21' => 'application/mp21',
'm2a' => 'audio/mpeg',
'm2v' => 'video/mpeg',
'm3u' => 'audio/x-mpegurl',
'm3u8' => 'application/vnd.apple.mpegurl',
'm4v' => 'video/x-m4v',
'ma' => 'application/mathematica',
'mads' => 'application/mads+xml',
'mag' => 'application/vnd.ecowin.chart',
'man' => 'application/x-troff-man',
'map' => 'application/x-navimap',
'mar' => 'text/plain',
'mathml' => 'application/mathml+xml',
'mbd' => 'application/mbedlet',
'mbk' => 'application/vnd.mobius.mbk',
'mbox' => 'application/mbox',
'mc$' => 'application/x-magic-cap-package-1.0',
'mc1' => 'application/vnd.medcalcdata',
'mcd' => 'application/vnd.mcd',
'mcf' => 'text/mcf',
'mcp' => 'application/netmc',
'mcurl' => 'text/vnd.curl.mcurl',
'mdb' => 'application/x-msaccess',
'mdi' => 'image/vnd.ms-modi',
'me' => 'application/x-troff-me',
'meta4' => 'application/metalink4+xml',
'mets' => 'application/mets+xml',
'mfm' => 'application/vnd.mfmp',
'mgp' => 'application/vnd.osgeo.mapguide.package',
'mgz' => 'application/vnd.proteus.magazine',
'mht' => 'message/rfc822',
'mhtml' => 'message/rfc822',
'mid' => 'audio/midi',
'midi' => 'x-music/x-midi',
'mif' => 'application/vnd.mif',
'mime' => 'www/mime',
'mj2' => 'video/mj2',
'mjf' => 'audio/x-vnd.audioexplosion.mjuicemediafile',
'mjpg' => 'video/x-motion-jpeg',
'mlp' => 'application/vnd.dolby.mlp',
'mm' => 'application/x-meme',
'mmd' => 'application/vnd.chipnuts.karaoke-mmd',
'mme' => 'application/base64',
'mmf' => 'application/vnd.smaf',
'mmr' => 'image/vnd.fujixerox.edmics-mmr',
'mny' => 'application/x-msmoney',
'mod' => 'audio/x-mod',
'mods' => 'application/mods+xml',
'moov' => 'video/quicktime',
'mov' => 'video/quicktime',
'movie' => 'video/x-sgi-movie',
'mp2' => 'video/x-mpeq2a',
'mp3' => 'audio/mpeg',
'mp4' => 'video/mp4',
'mp4a' => 'audio/mp4',
'mpa' => 'video/mpeg',
'mpc' => 'application/vnd.mophun.certificate',
'mpe' => 'video/mpeg',
'mpeg' => 'video/mpeg',
'mpg' => 'video/mpeg',
'mpga' => 'audio/mpeg',
'mpkg' => 'application/vnd.apple.installer+xml',
'mpm' => 'application/vnd.blueice.multipass',
'mpn' => 'application/vnd.mophun.application',
'mpp' => 'application/vnd.ms-project',
'mpt' => 'application/x-project',
'mpv' => 'application/x-project',
'mpx' => 'application/x-project',
'mpy' => 'application/vnd.ibm.minipay',
'mqy' => 'application/vnd.mobius.mqy',
'mrc' => 'application/marc',
'mrcx' => 'application/marcxml+xml',
'ms' => 'application/x-troff-ms',
'mscml' => 'application/mediaservercontrol+xml',
'mseq' => 'application/vnd.mseq',
'msf' => 'application/vnd.epson.msf',
'msh' => 'model/mesh',
'msi' => 'application/x-msdownload',
'msl' => 'application/vnd.mobius.msl',
'msty' => 'application/vnd.muvee.style',
'mts' => 'model/vnd.mts',
'mus' => 'application/vnd.musician',
'musicxml' => 'application/vnd.recordare.musicxml+xml',
'mv' => 'video/x-sgi-movie',
'mvb' => 'application/x-msmediaview',
'mwf' => 'application/vnd.mfer',
'mxf' => 'application/mxf',
'mxl' => 'application/vnd.recordare.musicxml',
'mxml' => 'application/xv+xml',
'mxs' => 'application/vnd.triscape.mxs',
'mxu' => 'video/vnd.mpegurl',
'my' => 'audio/make',
'mzz' => 'application/x-vnd.audioexplosion.mzz',
'n-gage' => 'application/vnd.nokia.n-gage.symbian.install',
'n3' => 'text/n3',
'nap' => 'image/naplps',
'naplps' => 'image/naplps',
'nbp' => 'application/vnd.wolfram.player',
'nc' => 'application/x-netcdf',
'ncm' => 'application/vnd.nokia.configuration-message',
'ncx' => 'application/x-dtbncx+xml',
'ngdat' => 'application/vnd.nokia.n-gage.data',
'nif' => 'image/x-niff',
'niff' => 'image/x-niff',
'nix' => 'application/x-mix-transfer',
'nlu' => 'application/vnd.neurolanguage.nlu',
'nml' => 'application/vnd.enliven',
'nnd' => 'application/vnd.noblenet-directory',
'nns' => 'application/vnd.noblenet-sealer',
'nnw' => 'application/vnd.noblenet-web',
'npx' => 'image/vnd.net-fpx',
'nsc' => 'application/x-conference',
'nsf' => 'application/vnd.lotus-notes',
'nvd' => 'application/x-navidoc',
'o' => 'application/octet-stream',
'oa2' => 'application/vnd.fujitsu.oasys2',
'oa3' => 'application/vnd.fujitsu.oasys3',
'oas' => 'application/vnd.fujitsu.oasys',
'obd' => 'application/x-msbinder',
'oda' => 'application/oda',
'odb' => 'application/vnd.oasis.opendocument.database',
'odc' => 'application/vnd.oasis.opendocument.chart',
'odf' => 'application/vnd.oasis.opendocument.formula',
'odft' => 'application/vnd.oasis.opendocument.formula-template',
'odg' => 'application/vnd.oasis.opendocument.graphics',
'odi' => 'application/vnd.oasis.opendocument.image',
'odm' => 'application/vnd.oasis.opendocument.text-master',
'odp' => 'application/vnd.oasis.opendocument.presentation',
'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
'odt' => 'application/vnd.oasis.opendocument.text',
'oga' => 'audio/ogg',
'ogg' => 'application/ogg',
'ogv' => 'video/ogg',
'ogx' => 'application/ogg',
'omc' => 'application/x-omc',
'omcd' => 'application/x-omcdatamaker',
'omcr' => 'application/x-omcregerator',
'onetoc' => 'application/onenote',
'opf' => 'application/oebps-package+xml',
'org' => 'application/vnd.lotus-organizer',
'osf' => 'application/vnd.yamaha.openscoreformat',
'osfpvg' => 'application/vnd.yamaha.openscoreformat.osfpvg+xml',
'otc' => 'application/vnd.oasis.opendocument.chart-template',
'otf' => 'application/x-font-otf',
'otg' => 'application/vnd.oasis.opendocument.graphics-template',
'oth' => 'application/vnd.oasis.opendocument.text-web',
'oti' => 'application/vnd.oasis.opendocument.image-template',
'otp' => 'application/vnd.oasis.opendocument.presentation-template',
'ots' => 'application/vnd.oasis.opendocument.spreadsheet-template',
'ott' => 'application/vnd.oasis.opendocument.text-template',
'oxt' => 'application/vnd.openofficeorg.extension',
'p' => 'text/x-pascal',
'p10' => 'application/pkcs10',
'p12' => 'application/x-pkcs12',
'p7a' => 'application/x-pkcs7-signature',
'p7b' => 'application/x-pkcs7-certificates',
'p7c' => 'application/x-pkcs7-mime',
'p7m' => 'application/pkcs7-mime',
'p7r' => 'application/x-pkcs7-certreqresp',
'p7s' => 'application/pkcs7-signature',
'p8' => 'application/pkcs8',
'part' => 'application/pro_eng',
'pas' => 'text/pascal',
'paw' => 'application/vnd.pawaafile',
'pbd' => 'application/vnd.powerbuilder6',
'pbm' => 'image/x-portable-bitmap',
'pcf' => 'application/x-font-pcf',
'pcl' => 'application/vnd.hp-pcl',
'pclxl' => 'application/vnd.hp-pclxl',
'pct' => 'image/x-pict',
'pcurl' => 'application/vnd.curl.pcurl',
'pcx' => 'image/x-pcx',
'pdb' => 'application/vnd.palm',
'pdf' => 'application/pdf',
'pfa' => 'application/x-font-type1',
'pfr' => 'application/font-tdpfr',
'pfunk' => 'audio/make.my.funk',
'pgm' => 'image/x-portable-graymap',
'pgn' => 'application/x-chess-pgn',
'pgp' => 'application/pgp-signature',
'php' => 'text/html',
'pic' => 'image/x-pict',
'pict' => 'image/pict',
'pkg' => 'application/x-newton-compatible-pkg',
'pki' => 'application/pkixcmp',
'pkipath' => 'application/pkix-pkipath',
'pko' => 'application/vnd.ms-pki.pko',
'pl' => 'text/x-script.perl',
'plb' => 'application/vnd.3gpp.pic-bw-large',
'plc' => 'application/vnd.mobius.plc',
'plf' => 'application/vnd.pocketlearn',
'pls' => 'application/pls+xml',
'plx' => 'application/x-pixclscript',
'pm' => 'text/x-script.perl-module',
'pm4' => 'application/x-pagemaker',
'pm5' => 'application/x-pagemaker',
'pml' => 'application/vnd.ctc-posml',
'png' => 'image/png',
'pnm' => 'image/x-portable-anymap',
'portpkg' => 'application/vnd.macports.portpkg',
'pot' => 'application/vnd.ms-powerpoint',
'potm' => 'application/vnd.ms-powerpoint.template.macroenabled.12',
'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
'pov' => 'model/x-pov',
'ppa' => 'application/vnd.ms-powerpoint',
'ppam' => 'application/vnd.ms-powerpoint.addin.macroenabled.12',
'ppd' => 'application/vnd.cups-ppd',
'ppm' => 'image/x-portable-pixmap',
'pps' => 'application/vnd.ms-powerpoint',
'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroenabled.12',
'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
'ppt' => 'application/vnd.ms-powerpoint',
'pptm' => 'application/vnd.ms-powerpoint.presentation.macroenabled.12',
'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
'ppz' => 'application/mspowerpoint',
'prc' => 'application/x-mobipocket-ebook',
'pre' => 'application/vnd.lotus-freelance',
'prf' => 'application/pics-rules',
'prt' => 'application/pro_eng',
'ps' => 'application/postscript',
'psb' => 'application/vnd.3gpp.pic-bw-small',
'psd' => 'image/vnd.adobe.photoshop',
'psf' => 'application/x-font-linux-psf',
'pskcxml' => 'application/pskc+xml',
'ptid' => 'application/vnd.pvi.ptid1',
'pub' => 'application/x-mspublisher',
'pvb' => 'application/vnd.3gpp.pic-bw-var',
'pvu' => 'paleovu/x-pv',
'pwn' => 'application/vnd.3m.post-it-notes',
'pwz' => 'application/vnd.ms-powerpoint',
'py' => 'text/x-script.phyton',
'pya' => 'audio/vnd.ms-playready.media.pya',
'pyc' => 'applicaiton/x-bytecode.python',
'pyv' => 'video/vnd.ms-playready.media.pyv',
'qam' => 'application/vnd.epson.quickanime',
'qbo' => 'application/vnd.intu.qbo',
'qcp' => 'audio/vnd.qcelp',
'qd3' => 'x-world/x-3dmf',
'qd3d' => 'x-world/x-3dmf',
'qfx' => 'application/vnd.intu.qfx',
'qif' => 'image/x-quicktime',
'qps' => 'application/vnd.publishare-delta-tree',
'qt' => 'video/quicktime',
'qtc' => 'video/x-qtc',
'qti' => 'image/x-quicktime',
'qtif' => 'image/x-quicktime',
'qxd' => 'application/vnd.quark.quarkxpress',
'ra' => 'audio/x-realaudio',
'ram' => 'audio/x-pn-realaudio',
'rar' => 'application/x-rar-compressed',
'ras' => 'image/x-cmu-raster',
'rast' => 'image/cmu-raster',
'rcprofile' => 'application/vnd.ipunplugged.rcprofile',
'rdf' => 'application/rdf+xml',
'rdz' => 'application/vnd.data-vision.rdz',
'rep' => 'application/vnd.businessobjects',
'res' => 'application/x-dtbresource+xml',
'rexx' => 'text/x-script.rexx',
'rf' => 'image/vnd.rn-realflash',
'rgb' => 'image/x-rgb',
'rif' => 'application/reginfo+xml',
'rip' => 'audio/vnd.rip',
'rl' => 'application/resource-lists+xml',
'rlc' => 'image/vnd.fujixerox.edmics-rlc',
'rld' => 'application/resource-lists-diff+xml',
'rm' => 'application/vnd.rn-realmedia',
'rmi' => 'audio/mid',
'rmm' => 'audio/x-pn-realaudio',
'rmp' => 'audio/x-pn-realaudio-plugin',
'rms' => 'application/vnd.jcp.javame.midlet-rms',
'rnc' => 'application/relax-ng-compact-syntax',
'rng' => 'application/vnd.nokia.ringing-tone',
'rnx' => 'application/vnd.rn-realplayer',
'roff' => 'application/x-troff',
'rp' => 'image/vnd.rn-realpix',
'rp9' => 'application/vnd.cloanto.rp9',
'rpm' => 'audio/x-pn-realaudio-plugin',
'rpss' => 'application/vnd.nokia.radio-presets',
'rpst' => 'application/vnd.nokia.radio-preset',
'rq' => 'application/sparql-query',
'rs' => 'application/rls-services+xml',
'rsd' => 'application/rsd+xml',
'rss' => 'application/rss+xml',
'rt' => 'text/vnd.rn-realtext',
'rtf' => 'application/rtf',
'rtx' => 'text/richtext',
'rv' => 'video/vnd.rn-realvideo',
's' => 'text/x-asm',
's3m' => 'audio/s3m',
'saf' => 'application/vnd.yamaha.smaf-audio',
'saveme' => 'application/octet-stream',
'sbk' => 'application/x-tbook',
'sbml' => 'application/sbml+xml',
'sc' => 'application/vnd.ibm.secure-container',
'scd' => 'application/x-msschedule',
'scm' => 'application/vnd.lotus-screencam',
'scq' => 'application/scvp-cv-request',
'scs' => 'application/scvp-cv-response',
'scurl' => 'text/vnd.curl.scurl',
'sda' => 'application/vnd.stardivision.draw',
'sdc' => 'application/vnd.stardivision.calc',
'sdd' => 'application/vnd.stardivision.impress',
'sdkm' => 'application/vnd.solent.sdkm+xml',
'sdml' => 'text/plain',
'sdp' => 'application/sdp',
'sdr' => 'application/sounder',
'sdw' => 'application/vnd.stardivision.writer',
'sea' => 'application/x-sea',
'see' => 'application/vnd.seemail',
'seed' => 'application/vnd.fdsn.seed',
'sema' => 'application/vnd.sema',
'semd' => 'application/vnd.semd',
'semf' => 'application/vnd.semf',
'ser' => 'application/java-serialized-object',
'set' => 'application/set',
'setpay' => 'application/set-payment-initiation',
'setreg' => 'application/set-registration-initiation',
'sfd-hdstx' => 'application/vnd.hydrostatix.sof-data',
'sfs' => 'application/vnd.spotfire.sfs',
'sgl' => 'application/vnd.stardivision.writer-global',
'sgm' => 'text/x-sgml',
'sgml' => 'text/sgml',
'sh' => 'application/x-sh',
'shar' => 'application/x-shar',
'shf' => 'application/shf+xml',
'shtml' => 'text/x-server-parsed-html',
'sid' => 'audio/x-psid',
'sis' => 'application/vnd.symbian.install',
'sit' => 'application/x-stuffit',
'sitx' => 'application/x-stuffitx',
'skd' => 'application/x-koan',
'skm' => 'application/x-koan',
'skp' => 'application/vnd.koan',
'skt' => 'application/x-koan',
'sl' => 'application/x-seelogo',
'sldm' => 'application/vnd.ms-powerpoint.slide.macroenabled.12',
'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
'slt' => 'application/vnd.epson.salt',
'sm' => 'application/vnd.stepmania.stepchart',
'smf' => 'application/vnd.stardivision.math',
'smi' => 'application/smil+xml',
'smil' => 'application/smil',
'snd' => 'audio/x-adpcm',
'snf' => 'application/x-font-snf',
'sol' => 'application/solids',
'spc' => 'text/x-speech',
'spf' => 'application/vnd.yamaha.smaf-phrase',
'spl' => 'application/x-futuresplash',
'spot' => 'text/vnd.in3d.spot',
'spp' => 'application/scvp-vp-response',
'spq' => 'application/scvp-vp-request',
'spr' => 'application/x-sprite',
'sprite' => 'application/x-sprite',
'src' => 'application/x-wais-source',
'sru' => 'application/sru+xml',
'srx' => 'application/sparql-results+xml',
'sse' => 'application/vnd.kodak-descriptor',
'ssf' => 'application/vnd.epson.ssf',
'ssi' => 'text/x-server-parsed-html',
'ssm' => 'application/streamingmedia',
'ssml' => 'application/ssml+xml',
'sst' => 'application/vnd.ms-pki.certstore',
'st' => 'application/vnd.sailingtracker.track',
'stc' => 'application/vnd.sun.xml.calc.template',
'std' => 'application/vnd.sun.xml.draw.template',
'step' => 'application/step',
'stf' => 'application/vnd.wt.stf',
'sti' => 'application/vnd.sun.xml.impress.template',
'stk' => 'application/hyperstudio',
'stl' => 'application/vnd.ms-pki.stl',
'stp' => 'application/step',
'str' => 'application/vnd.pg.format',
'stw' => 'application/vnd.sun.xml.writer.template',
'sub' => 'image/vnd.dvb.subtitle',
'sus' => 'application/vnd.sus-calendar',
'sv4cpio' => 'application/x-sv4cpio',
'sv4crc' => 'application/x-sv4crc',
'svc' => 'application/vnd.dvb.service',
'svd' => 'application/vnd.svd',
'svf' => 'image/x-dwg',
'svg' => 'image/svg+xml',
'svgz' => 'image/svg+xml',
'svr' => 'x-world/x-svr',
'swf' => 'application/x-shockwave-flash',
'swi' => 'application/vnd.aristanetworks.swi',
'sxc' => 'application/vnd.sun.xml.calc',
'sxd' => 'application/vnd.sun.xml.draw',
'sxg' => 'application/vnd.sun.xml.writer.global',
'sxi' => 'application/vnd.sun.xml.impress',
'sxm' => 'application/vnd.sun.xml.math',
'sxw' => 'application/vnd.sun.xml.writer',
't' => 'text/troff',
'talk' => 'text/x-speech',
'tao' => 'application/vnd.tao.intent-module-archive',
'tar' => 'application/x-tar',
'tbk' => 'application/x-tbook',
'tcap' => 'application/vnd.3gpp2.tcap',
'tcl' => 'application/x-tcl',
'tcsh' => 'text/x-script.tcsh',
'teacher' => 'application/vnd.smart.teacher',
'tei' => 'application/tei+xml',
'tex' => 'application/x-tex',
'texi' => 'application/x-texinfo',
'texinfo' => 'application/x-texinfo',
'text' => 'text/plain',
'tfi' => 'application/thraud+xml',
'tfm' => 'application/x-tex-tfm',
'tgz' => 'application/x-compressed',
'thmx' => 'application/vnd.ms-officetheme',
'tif' => 'image/tiff',
'tiff' => 'image/tiff',
'tmo' => 'application/vnd.tmobile-livetv',
'torrent' => 'application/x-bittorrent',
'tpl' => 'application/vnd.groove-tool-template',
'tpt' => 'application/vnd.trid.tpt',
'tr' => 'application/x-troff',
'tra' => 'application/vnd.trueapp',
'trm' => 'application/x-msterminal',
'tsd' => 'application/timestamped-data',
'tsi' => 'audio/tsp-audio',
'tsp' => 'audio/tsplayer',
'tsv' => 'text/tab-separated-values',
'ttf' => 'application/x-font-ttf',
'ttl' => 'text/turtle',
'turbot' => 'image/florian',
'twd' => 'application/vnd.simtech-mindmapper',
'txd' => 'application/vnd.genomatix.tuxedo',
'txf' => 'application/vnd.mobius.txf',
'txt' => 'text/plain',
'ufd' => 'application/vnd.ufdl',
'uil' => 'text/x-uil',
'umj' => 'application/vnd.umajin',
'uni' => 'text/uri-list',
'unis' => 'text/uri-list',
'unityweb' => 'application/vnd.unity',
'unv' => 'application/i-deas',
'uoml' => 'application/vnd.uoml+xml',
'uri' => 'text/uri-list',
'uris' => 'text/uri-list',
'ustar' => 'application/x-ustar',
'utz' => 'application/vnd.uiq.theme',
'uu' => 'text/x-uuencode',
'uue' => 'text/x-uuencode',
'uva' => 'audio/vnd.dece.audio',
'uvh' => 'video/vnd.dece.hd',
'uvi' => 'image/vnd.dece.graphic',
'uvm' => 'video/vnd.dece.mobile',
'uvp' => 'video/vnd.dece.pd',
'uvs' => 'video/vnd.dece.sd',
'uvu' => 'video/vnd.uvvu.mp4',
'uvv' => 'video/vnd.dece.video',
'vcd' => 'application/x-cdlink',
'vcf' => 'text/x-vcard',
'vcg' => 'application/vnd.groove-vcard',
'vcs' => 'text/x-vcalendar',
'vcx' => 'application/vnd.vcx',
'vda' => 'application/vda',
'vdo' => 'video/vdo',
'vew' => 'application/groupwise',
'vis' => 'application/vnd.visionary',
'viv' => 'video/vnd.vivo',
'vivo' => 'video/vnd.vivo',
'vmd' => 'application/vocaltec-media-desc',
'vmf' => 'application/vocaltec-media-file',
'voc' => 'audio/x-voc',
'vos' => 'video/vosaic',
'vox' => 'audio/voxware',
'vqe' => 'audio/x-twinvq-plugin',
'vqf' => 'audio/x-twinvq',
'vql' => 'audio/x-twinvq-plugin',
'vrml' => 'x-world/x-vrml',
'vrt' => 'x-world/x-vrt',
'vsd' => 'application/vnd.visio',
'vsf' => 'application/vnd.vsf',
'vst' => 'application/x-visio',
'vsw' => 'application/x-visio',
'vtu' => 'model/vnd.vtu',
'vxml' => 'application/voicexml+xml',
'w60' => 'application/wordperfect6.0',
'w61' => 'application/wordperfect6.1',
'w6w' => 'application/msword',
'wad' => 'application/x-doom',
'wav' => 'audio/wav',
'wax' => 'audio/x-ms-wax',
'wb1' => 'application/x-qpro',
'wbmp' => 'image/vnd.wap.wbmp',
'wbs' => 'application/vnd.criticaltools.wbs+xml',
'wbxml' => 'application/vnd.wap.wbxml',
'web' => 'application/vnd.xara',
'weba' => 'audio/webm',
'webm' => 'video/webm',
'webp' => 'image/webp',
'wg' => 'application/vnd.pmi.widget',
'wgt' => 'application/widget',
'wiz' => 'application/msword',
'wk1' => 'application/x-123',
'wm' => 'video/x-ms-wm',
'wma' => 'audio/x-ms-wma',
'wmd' => 'application/x-ms-wmd',
'wmf' => 'application/x-msmetafile',
'wml' => 'text/vnd.wap.wml',
'wmlc' => 'application/vnd.wap.wmlc',
'wmls' => 'text/vnd.wap.wmlscript',
'wmlsc' => 'application/vnd.wap.wmlscriptc',
'wmv' => 'video/x-ms-wmv',
'wmx' => 'video/x-ms-wmx',
'wmz' => 'application/x-ms-wmz',
'woff' => 'application/x-font-woff',
'word' => 'application/msword',
'wp' => 'application/wordperfect',
'wp5' => 'application/wordperfect6.0',
'wp6' => 'application/wordperfect',
'wpd' => 'application/vnd.wordperfect',
'wpl' => 'application/vnd.ms-wpl',
'wps' => 'application/vnd.ms-works',
'wq1' => 'application/x-lotus',
'wqd' => 'application/vnd.wqd',
'wri' => 'application/x-mswrite',
'wrl' => 'model/vrml',
'wrz' => 'x-world/x-vrml',
'wsc' => 'text/scriplet',
'wsdl' => 'application/wsdl+xml',
'wspolicy' => 'application/wspolicy+xml',
'wsrc' => 'application/x-wais-source',
'wtb' => 'application/vnd.webturbo',
'wtk' => 'application/x-wintalk',
'wvx' => 'video/x-ms-wvx',
'x-png' => 'image/png',
'x3d' => 'application/vnd.hzn-3d-crossword',
'xap' => 'application/x-silverlight-app',
'xar' => 'application/vnd.xara',
'xbap' => 'application/x-ms-xbap',
'xbd' => 'application/vnd.fujixerox.docuworks.binder',
'xbm' => 'image/x-xbitmap',
'xdf' => 'application/xcap-diff+xml',
'xdm' => 'application/vnd.syncml.dm+xml',
'xdp' => 'application/vnd.adobe.xdp+xml',
'xdr' => 'video/x-amt-demorun',
'xdssc' => 'application/dssc+xml',
'xdw' => 'application/vnd.fujixerox.docuworks',
'xenc' => 'application/xenc+xml',
'xer' => 'application/patch-ops-error+xml',
'xfdf' => 'application/vnd.adobe.xfdf',
'xfdl' => 'application/vnd.xfdl',
'xgz' => 'xgl/drawing',
'xhtml' => 'application/xhtml+xml',
'xif' => 'image/vnd.xiff',
'xl' => 'application/excel',
'xla' => 'application/x-msexcel',
'xlam' => 'application/vnd.ms-excel.addin.macroenabled.12',
'xlb' => 'application/x-excel',
'xlc' => 'application/x-excel',
'xld' => 'application/x-excel',
'xlk' => 'application/x-excel',
'xll' => 'application/x-excel',
'xlm' => 'application/x-excel',
'xls' => 'application/vnd.ms-excel',
'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroenabled.12',
'xlsm' => 'application/vnd.ms-excel.sheet.macroenabled.12',
'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'xlt' => 'application/x-excel',
'xltm' => 'application/vnd.ms-excel.template.macroenabled.12',
'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
'xlv' => 'application/x-excel',
'xlw' => 'application/x-msexcel',
'xm' => 'audio/xm',
'xml' => 'application/xml',
'xmz' => 'xgl/movie',
'xo' => 'application/vnd.olpc-sugar',
'xop' => 'application/xop+xml',
'xpi' => 'application/x-xpinstall',
'xpix' => 'application/x-vnd.ls-xpix',
'xpm' => 'image/x-xpixmap',
'xpr' => 'application/vnd.is-xpr',
'xps' => 'application/vnd.ms-xpsdocument',
'xpw' => 'application/vnd.intercon.formnet',
'xslt' => 'application/xslt+xml',
'xsm' => 'application/vnd.syncml+xml',
'xspf' => 'application/xspf+xml',
'xsr' => 'video/x-amt-showrun',
'xul' => 'application/vnd.mozilla.xul+xml',
'xwd' => 'image/x-xwindowdump',
'xyz' => 'chemical/x-xyz',
'yang' => 'application/yang',
'yin' => 'application/yin+xml',
'z' => 'application/x-compressed',
'zaz' => 'application/vnd.zzazz.deck+xml',
'zip' => 'application/zip',
'zir' => 'application/vnd.zul',
'zmm' => 'application/vnd.handheld-entertainment+xml',
'zoo' => 'application/octet-stream',
'zsh' => 'text/x-script.zsh'
];
$dot = strpos($filename, '.');
if ($dot !== false) {
$ext = strtolower(substr($filename, $dot + 1));
if (array_key_exists($ext, $mime_types)) {
return $mime_types[$ext];
}
} else {
return 'application/octet-stream';
}
}
}