function file_get_mimetype

Determine an Internet Media Type, or MIME type from a filename.

Parameters

$filename: Name of the file, including extension.

$mapping: An optional array of extension to media type mappings in the form 'extension1|extension2|...' => 'type'.

Return value

The internet media type registered for the extension or application/octet-stream for unknown extensions.

Related topics

File

includes/file.inc, line 745

API for handling file uploads and server file management.

Code

function file_get_mimetype($filename, $mapping = NULL) {
  if (!is_array($mapping)) {
    $mapping = variable_get('mime_extension_mapping', array(
      'ez' => 'application/andrew-inset',
      'atom' => 'application/atom',
      'atomcat' => 'application/atomcat+xml',
      'atomsrv' => 'application/atomserv+xml',
      'cap|pcap' => 'application/cap',
      'cu' => 'application/cu-seeme',
      'tsp' => 'application/dsptype',
      'spl' => 'application/x-futuresplash',
      'hta' => 'application/hta',
      'jar' => 'application/java-archive',
      'ser' => 'application/java-serialized-object',
      'class' => 'application/java-vm',
      'hqx' => 'application/mac-binhex40',
      'cpt' => 'image/x-corelphotopaint',
      'nb' => 'application/mathematica',
      'mdb' => 'application/msaccess',
      'doc|dot' => 'application/msword',
      'bin' => 'application/octet-stream',
      'oda' => 'application/oda',
      'ogg|ogx' => 'application/ogg',
      'pdf' => 'application/pdf',
      'key' => 'application/pgp-keys',
      'pgp' => 'application/pgp-signature',
      'prf' => 'application/pics-rules',
      'ps|ai|eps' => 'application/postscript',
      'rar' => 'application/rar',
      'rdf' => 'application/rdf+xml',
      'rss' => 'application/rss+xml',
      'rtf' => 'application/rtf',
      'smi|smil' => 'application/smil',
      'wpd' => 'application/wordperfect',
      'wp5' => 'application/wordperfect5.1',
      'xhtml|xht' => 'application/xhtml+xml',
      'xml|xsl' => 'application/xml',
      'zip' => 'application/zip',
      'cdy' => 'application/vnd.cinderella',
      'kml' => 'application/vnd.google-earth.kml+xml',
      'kmz' => 'application/vnd.google-earth.kmz',
      'xul' => 'application/vnd.mozilla.xul+xml',
      'xls|xlb|xlt' => 'application/vnd.ms-excel',
      'cat' => 'application/vnd.ms-pki.seccat',
      'stl' => 'application/vnd.ms-pki.stl',
      'ppt|pps' => 'application/vnd.ms-powerpoint',
      'odc' => 'application/vnd.oasis.opendocument.chart',
      'odb' => 'application/vnd.oasis.opendocument.database',
      'odf' => 'application/vnd.oasis.opendocument.formula',
      'odg' => 'application/vnd.oasis.opendocument.graphics',
      'otg' => 'application/vnd.oasis.opendocument.graphics-template',
      'odi' => 'application/vnd.oasis.opendocument.image',
      'odp' => 'application/vnd.oasis.opendocument.presentation',
      'otp' => 'application/vnd.oasis.opendocument.presentation-template',
      'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
      'ots' => 'application/vnd.oasis.opendocument.spreadsheet-template',
      'odt' => 'application/vnd.oasis.opendocument.text',
      'odm' => 'application/vnd.oasis.opendocument.text-master',
      'ott' => 'application/vnd.oasis.opendocument.text-template',
      'oth' => 'application/vnd.oasis.opendocument.text-web',
      'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
      'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
      'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
      'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
      'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
      'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
      'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
      'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
      'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
      'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
      'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
      'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
      'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
      'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
      'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
      'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
      'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
      'cod' => 'application/vnd.rim.cod',
      'mmf' => 'application/vnd.smaf',
      'sdc' => 'application/vnd.stardivision.calc',
      'sds' => 'application/vnd.stardivision.chart',
      'sda' => 'application/vnd.stardivision.draw',
      'sdd' => 'application/vnd.stardivision.impress',
      'sdf' => 'application/vnd.stardivision.math',
      'sdw' => 'application/vnd.stardivision.writer',
      'sgl' => 'application/vnd.stardivision.writer-global',
      'sxc' => 'application/vnd.sun.xml.calc',
      'stc' => 'application/vnd.sun.xml.calc.template',
      'sxd' => 'application/vnd.sun.xml.draw',
      'std' => 'application/vnd.sun.xml.draw.template',
      'sxi' => 'application/vnd.sun.xml.impress',
      'sti' => 'application/vnd.sun.xml.impress.template',
      'sxm' => 'application/vnd.sun.xml.math',
      'sxw' => 'application/vnd.sun.xml.writer',
      'sxg' => 'application/vnd.sun.xml.writer.global',
      'stw' => 'application/vnd.sun.xml.writer.template',
      'sis' => 'application/vnd.symbian.install',
      'vsd' => 'application/vnd.visio',
      'wbxml' => 'application/vnd.wap.wbxml',
      'wmlc' => 'application/vnd.wap.wmlc',
      'wmlsc' => 'application/vnd.wap.wmlscriptc',
      'wk' => 'application/x-123',
      '7z' => 'application/x-7z-compressed',
      'abw' => 'application/x-abiword',
      'dmg' => 'application/x-apple-diskimage',
      'bcpio' => 'application/x-bcpio',
      'torrent' => 'application/x-bittorrent',
      'cab' => 'application/x-cab',
      'cbr' => 'application/x-cbr',
      'cbz' => 'application/x-cbz',
      'cdf' => 'application/x-cdf',
      'vcd' => 'application/x-cdlink',
      'pgn' => 'application/x-chess-pgn',
      'cpio' => 'application/x-cpio',
      'csh' => 'text/x-csh',
      'deb|udeb' => 'application/x-debian-package',
      'dcr|dir|dxr' => 'application/x-director',
      'dms' => 'application/x-dms',
      'wad' => 'application/x-doom',
      'dvi' => 'application/x-dvi',
      'rhtml' => 'application/x-httpd-eruby',
      'flac' => 'application/x-flac',
      'pfa|pfb|gsf|pcf|pcf.Z' => 'application/x-font',
      'mm' => 'application/x-freemind',
      'gnumeric' => 'application/x-gnumeric',
      'sgf' => 'application/x-go-sgf',
      'gcf' => 'application/x-graphing-calculator',
      'gtar|tgz|taz' => 'application/x-gtar',
      'hdf' => 'application/x-hdf',
      'phtml|pht|php' => 'application/x-httpd-php',
      'phps' => 'application/x-httpd-php-source',
      'php3' => 'application/x-httpd-php3',
      'php3p' => 'application/x-httpd-php3-preprocessed',
      'php4' => 'application/x-httpd-php4',
      'ica' => 'application/x-ica',
      'ins|isp' => 'application/x-internet-signup',
      'iii' => 'application/x-iphone',
      'iso' => 'application/x-iso9660-image',
      'jnlp' => 'application/x-java-jnlp-file',
      'js' => 'application/x-javascript',
      'jmz' => 'application/x-jmol',
      'chrt' => 'application/x-kchart',
      'kil' => 'application/x-killustrator',
      'skp|skd|skt|skm' => 'application/x-koan',
      'kpr|kpt' => 'application/x-kpresenter',
      'ksp' => 'application/x-kspread',
      'kwd|kwt' => 'application/x-kword',
      'latex' => 'application/x-latex',
      'lha' => 'application/x-lha',
      'lyx' => 'application/x-lyx',
      'lzh' => 'application/x-lzh',
      'lzx' => 'application/x-lzx',
      'frm|maker|frame|fm|fb|book|fbdoc' => 'application/x-maker',
      'mif' => 'application/x-mif',
      'wmd' => 'application/x-ms-wmd',
      'wmz' => 'application/x-ms-wmz',
      'com|exe|bat|dll' => 'application/x-msdos-program',
      'msi' => 'application/x-msi',
      'nc' => 'application/x-netcdf',
      'pac' => 'application/x-ns-proxy-autoconfig',
      'nwc' => 'application/x-nwc',
      'o' => 'application/x-object',
      'oza' => 'application/x-oz-application',
      'p7r' => 'application/x-pkcs7-certreqresp',
      'crl' => 'application/x-pkcs7-crl',
      'pyc|pyo' => 'application/x-python-code',
      'qtl' => 'application/x-quicktimeplayer',
      'rpm' => 'application/x-redhat-package-manager',
      'sh' => 'text/x-sh',
      'shar' => 'application/x-shar',
      'swf|swfl' => 'application/x-shockwave-flash',
      'sit|sitx' => 'application/x-stuffit',
      'sv4cpio' => 'application/x-sv4cpio',
      'sv4crc' => 'application/x-sv4crc',
      'tar' => 'application/x-tar',
      'tcl' => 'application/x-tcl',
      'gf' => 'application/x-tex-gf',
      'pk' => 'application/x-tex-pk',
      'texinfo|texi' => 'application/x-texinfo',
      '~|%|bak|old|sik' => 'application/x-trash',
      't|tr|roff' => 'application/x-troff',
      'man' => 'application/x-troff-man',
      'me' => 'application/x-troff-me',
      'ms' => 'application/x-troff-ms',
      'ustar' => 'application/x-ustar',
      'src' => 'application/x-wais-source',
      'wz' => 'application/x-wingz',
      'crt' => 'application/x-x509-ca-cert',
      'xcf' => 'application/x-xcf',
      'fig' => 'application/x-xfig',
      'xpi' => 'application/x-xpinstall',
      'au|snd' => 'audio/basic',
      'mid|midi|kar' => 'audio/midi',
      'mpga|mpega|mp2|mp3|m4a' => 'audio/mpeg',
      'm3u' => 'audio/x-mpegurl',
      'oga|spx' => 'audio/ogg',
      'sid' => 'audio/prs.sid',
      'aif|aiff|aifc' => 'audio/x-aiff',
      'gsm' => 'audio/x-gsm',
      'wma' => 'audio/x-ms-wma',
      'wax' => 'audio/x-ms-wax',
      'ra|rm|ram' => 'audio/x-pn-realaudio',
      'ra' => 'audio/x-realaudio',
      'pls' => 'audio/x-scpls',
      'sd2' => 'audio/x-sd2',
      'wav' => 'audio/x-wav',
      'alc' => 'chemical/x-alchemy',
      'cac|cache' => 'chemical/x-cache',
      'csf' => 'chemical/x-cache-csf',
      'cbin|cascii|ctab' => 'chemical/x-cactvs-binary',
      'cdx' => 'chemical/x-cdx',
      'cer' => 'chemical/x-cerius',
      'c3d' => 'chemical/x-chem3d',
      'chm' => 'chemical/x-chemdraw',
      'cif' => 'chemical/x-cif',
      'cmdf' => 'chemical/x-cmdf',
      'cml' => 'chemical/x-cml',
      'cpa' => 'chemical/x-compass',
      'bsd' => 'chemical/x-crossfire',
      'csml|csm' => 'chemical/x-csml',
      'ctx' => 'chemical/x-ctx',
      'cxf|cef' => 'chemical/x-cxf',
      'emb|embl' => 'chemical/x-embl-dl-nucleotide',
      'spc' => 'chemical/x-galactic-spc',
      'inp|gam|gamin' => 'chemical/x-gamess-input',
      'fch|fchk' => 'chemical/x-gaussian-checkpoint',
      'cub' => 'chemical/x-gaussian-cube',
      'gau|gjc|gjf' => 'chemical/x-gaussian-input',
      'gal' => 'chemical/x-gaussian-log',
      'gcg' => 'chemical/x-gcg8-sequence',
      'gen' => 'chemical/x-genbank',
      'hin' => 'chemical/x-hin',
      'istr|ist' => 'chemical/x-isostar',
      'jdx|dx' => 'chemical/x-jcamp-dx',
      'kin' => 'chemical/x-kinemage',
      'mcm' => 'chemical/x-macmolecule',
      'mmd|mmod' => 'chemical/x-macromodel-input',
      'mol' => 'chemical/x-mdl-molfile',
      'rd' => 'chemical/x-mdl-rdfile',
      'rxn' => 'chemical/x-mdl-rxnfile',
      'sd|sdf' => 'chemical/x-mdl-sdfile',
      'tgf' => 'chemical/x-mdl-tgf',
      'mcif' => 'chemical/x-mmcif',
      'mol2' => 'chemical/x-mol2',
      'b' => 'chemical/x-molconn-Z',
      'gpt' => 'chemical/x-mopac-graph',
      'mop|mopcrt|mpc|dat|zmt' => 'chemical/x-mopac-input',
      'moo' => 'chemical/x-mopac-out',
      'mvb' => 'chemical/x-mopac-vib',
      'asn' => 'chemical/x-ncbi-asn1-spec',
      'prt|ent' => 'chemical/x-ncbi-asn1-ascii',
      'val|aso' => 'chemical/x-ncbi-asn1-binary',
      'pdb|ent' => 'chemical/x-pdb',
      'ros' => 'chemical/x-rosdal',
      'sw' => 'chemical/x-swissprot',
      'vms' => 'chemical/x-vamas-iso14976',
      'vmd' => 'chemical/x-vmd',
      'xtel' => 'chemical/x-xtel',
      'xyz' => 'chemical/x-xyz',
      'gif' => 'image/gif',
      'ief' => 'image/ief',
      'jpeg|jpg|jpe' => 'image/jpeg',
      'pcx' => 'image/pcx',
      'png' => 'image/png',
      'svg|svgz' => 'image/svg+xml',
      'tiff|tif' => 'image/tiff',
      'djvu|djv' => 'image/vnd.djvu',
      'wbmp' => 'image/vnd.wap.wbmp',
      'ras' => 'image/x-cmu-raster',
      'cdr' => 'image/x-coreldraw',
      'pat' => 'image/x-coreldrawpattern',
      'cdt' => 'image/x-coreldrawtemplate',
      'ico' => 'image/x-icon',
      'art' => 'image/x-jg',
      'jng' => 'image/x-jng',
      'bmp' => 'image/x-ms-bmp',
      'psd' => 'image/x-photoshop',
      'pnm' => 'image/x-portable-anymap',
      'pbm' => 'image/x-portable-bitmap',
      'pgm' => 'image/x-portable-graymap',
      'ppm' => 'image/x-portable-pixmap',
      'rgb' => 'image/x-rgb',
      'xbm' => 'image/x-xbitmap',
      'xpm' => 'image/x-xpixmap',
      'xwd' => 'image/x-xwindowdump',
      'eml' => 'message/rfc822',
      'igs|iges' => 'model/iges',
      'msh|mesh|silo' => 'model/mesh',
      'wrl|vrml' => 'model/vrml',
      'ics|icz' => 'text/calendar',
      'css' => 'text/css',
      'csv' => 'text/csv',
      '323' => 'text/h323',
      'html|htm|shtml' => 'text/html',
      'uls' => 'text/iuls',
      'mml' => 'text/mathml',
      'asc|txt|text|pot' => 'text/plain',
      'rtx' => 'text/richtext',
      'sct|wsc' => 'text/scriptlet',
      'tm|ts' => 'text/texmacs',
      'tsv' => 'text/tab-separated-values',
      'jad' => 'text/vnd.sun.j2me.app-descriptor',
      'wml' => 'text/vnd.wap.wml',
      'wmls' => 'text/vnd.wap.wmlscript',
      'bib' => 'text/x-bibtex',
      'boo' => 'text/x-boo',
      'h++|hpp|hxx|hh' => 'text/x-c++hdr',
      'c++|cpp|cxx|cc' => 'text/x-c++src',
      'h' => 'text/x-chdr',
      'htc' => 'text/x-component',
      'c' => 'text/x-csrc',
      'd' => 'text/x-dsrc',
      'diff|patch' => 'text/x-diff',
      'hs' => 'text/x-haskell',
      'java' => 'text/x-java',
      'lhs' => 'text/x-literate-haskell',
      'moc' => 'text/x-moc',
      'p|pas' => 'text/x-pascal',
      'gcd' => 'text/x-pcs-gcd',
      'pl|pm' => 'text/x-perl',
      'py' => 'text/x-python',
      'etx' => 'text/x-setext',
      'tcl|tk' => 'text/x-tcl',
      'tex|ltx|sty|cls' => 'text/x-tex',
      'vcs' => 'text/x-vcalendar',
      'vcf' => 'text/x-vcard',
      '3gp' => 'video/3gpp',
      'dl' => 'video/dl',
      'dif|dv' => 'video/dv',
      'fli' => 'video/fli',
      'gl' => 'video/gl',
      'mpeg|mpg|mpe' => 'video/mpeg',
      'mp4' => 'video/mp4',
      'ogv' => 'video/ogg',
      'qt|mov' => 'video/quicktime',
      'mxu' => 'video/vnd.mpegurl',
      'lsf|lsx' => 'video/x-la-asf',
      'mng' => 'video/x-mng',
      'asf|asx' => 'video/x-ms-asf',
      'wm' => 'video/x-ms-wm',
      'wmv' => 'video/x-ms-wmv',
      'wmx' => 'video/x-ms-wmx',
      'wvx' => 'video/x-ms-wvx',
      'avi' => 'video/x-msvideo',
      'movie' => 'video/x-sgi-movie',
      'ice' => 'x-conference/x-cooltalk',
      'sisx' => 'x-epoc/x-sisx-app',
      'vrm|vrml|wrl' => 'x-world/x-vrml',
      'xps' => 'application/vnd.ms-xpsdocument',
    ));
  }
  foreach ($mapping as $ext_preg => $mime_match) {
    if (preg_match('!\\.(' . $ext_preg . ')$!i', $filename)) {
      return $mime_match;
    }
  }
  return 'application/octet-stream';
}