<?php

// Copyright (C) 2010-2026, the Friendica project
// SPDX-FileCopyrightText: 2010-2026 the Friendica project
//
// SPDX-License-Identifier: AGPL-3.0-or-later

namespace Friendica\Util;

class Mimetype
{
	/**
	 * Return mimetype based on file extension
	 *
	 * @param string $filename filename
	 *
	 * @return mixed array or string
	 */
	public static function getContentType(string $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',
		];

		$dot = strrpos($filename, '.');
		if ($dot !== false) {
			$ext = strtolower(substr($filename, $dot + 1));
			if (array_key_exists($ext, $mime_types)) {
				return $mime_types[$ext];
			}
		}
		return 'application/octet-stream';
	}
}
