Example of tool class for obtaining file mime types implemented in PHP_php skills

This article mainly introduces the tool class for obtaining file mime types implemented by PHP, and analyzes PHP's related judgment operation skills for file mime types in the form of examples. Friends in need can refer to the following

The examples of this article are described A tool class for obtaining file mime types implemented in PHP. Share it with everyone for your reference, the details are as follows:

 'video/3gpp',
    'ai' => 'application/postscript',
    'aif' => 'audio/x-aiff',
    'aifc' => 'audio/x-aiff',
    'aiff' => 'audio/x-aiff',
    'asc' => 'text/plain',
    'atom' => 'application/atom+xml',
    'au' => 'audio/basic',
    'avi' => 'video/x-msvideo',
    'bcpio' => 'application/x-bcpio',
    'bin' => 'application/octet-stream',
    'bmp' => 'image/bmp',
    'cdf' => 'application/x-netcdf',
    'cgm' => 'image/cgm',
    'class' => 'application/octet-stream',
    'cpio' => 'application/x-cpio',
    'cpt' => 'application/mac-compactpro',
    'csh' => 'application/x-csh',
    'css' => 'text/css',
    'dcr' => 'application/x-director',
    'dif' => 'video/x-dv',
    'dir' => 'application/x-director',
    'djv' => 'image/vnd.djvu',
    'djvu' => 'image/vnd.djvu',
    'dll' => 'application/octet-stream',
    'dmg' => 'application/octet-stream',
    'dms' => 'application/octet-stream',
    'doc' => 'application/msword',
    'dtd' => 'application/xml-dtd',
    'dv' => 'video/x-dv',
    'dvi' => 'application/x-dvi',
    'dxr' => 'application/x-director',
    'eps' => 'application/postscript',
    'etx' => 'text/x-setext',
    'exe' => 'application/octet-stream',
    'ez' => 'application/andrew-inset',
    'flv' => 'video/x-flv',
    'gif' => 'image/gif',
    'gram' => 'application/srgs',
    'grxml' => 'application/srgs+xml',
    'gtar' => 'application/x-gtar',
    'gz' => 'application/x-gzip',
    'hdf' => 'application/x-hdf',
    'hqx' => 'application/mac-binhex40',
    'htm' => 'text/html',
    'html' => 'text/html',
    'ice' => 'x-conference/x-cooltalk',
    'ico' => 'image/x-icon',
    'ics' => 'text/calendar',
    'ief' => 'image/ief',
    'ifb' => 'text/calendar',
    'iges' => 'model/iges',
    'igs' => 'model/iges',
    'jnlp' => 'application/x-java-jnlp-file',
    'jp2' => 'image/jp2',
    'jpe' => 'image/jpeg',
    'jpeg' => 'image/jpeg',
    'jpg' => 'image/jpeg',
    'js' => 'application/x-javascript',
    'kar' => 'audio/midi',
    'latex' => 'application/x-latex',
    'lha' => 'application/octet-stream',
    'lzh' => 'application/octet-stream',
    'm3u' => 'audio/x-mpegurl',
    'm4a' => 'audio/mp4a-latm',
    'm4p' => 'audio/mp4a-latm',
    'm4u' => 'video/vnd.mpegurl',
    'm4v' => 'video/x-m4v',
    'mac' => 'image/x-macpaint',
    'man' => 'application/x-troff-man',
    'mathml' => 'application/mathml+xml',
    'me' => 'application/x-troff-me',
    'mesh' => 'model/mesh',
    'mid' => 'audio/midi',
    'midi' => 'audio/midi',
    'mif' => 'application/vnd.mif',
    'mov' => 'video/quicktime',
    'movie' => 'video/x-sgi-movie',
    'mp2' => 'audio/mpeg',
    'mp3' => 'audio/mpeg',
    'mp4' => 'video/mp4',
    'mpe' => 'video/mpeg',
    'mpeg' => 'video/mpeg',
    'mpg' => 'video/mpeg',
    'mpga' => 'audio/mpeg',
    'ms' => 'application/x-troff-ms',
    'msh' => 'model/mesh',
    'mxu' => 'video/vnd.mpegurl',
    'nc' => 'application/x-netcdf',
    'oda' => 'application/oda',
    'ogg' => 'application/ogg',
    'ogv' => 'video/ogv',
    'pbm' => 'image/x-portable-bitmap',
    'pct' => 'image/pict',
    'pdb' => 'chemical/x-pdb',
    'pdf' => 'application/pdf',
    'pgm' => 'image/x-portable-graymap',
    'pgn' => 'application/x-chess-pgn',
    'pic' => 'image/pict',
    'pict' => 'image/pict',
    'png' => 'image/png',
    'pnm' => 'image/x-portable-anymap',
    'pnt' => 'image/x-macpaint',
    'pntg' => 'image/x-macpaint',
    'ppm' => 'image/x-portable-pixmap',
    'ppt' => 'application/vnd.ms-powerpoint',
    'ps' => 'application/postscript',
    'qt' => 'video/quicktime',
    'qti' => 'image/x-quicktime',
    'qtif' => 'image/x-quicktime',
    'ra' => 'audio/x-pn-realaudio',
    'ram' => 'audio/x-pn-realaudio',
    'ras' => 'image/x-cmu-raster',
    'rdf' => 'application/rdf+xml',
    'rgb' => 'image/x-rgb',
    'rm' => 'application/vnd.rn-realmedia',
    'roff' => 'application/x-troff',
    'rtf' => 'text/rtf',
    'rtx' => 'text/richtext',
    'sgm' => 'text/sgml',
    'sgml' => 'text/sgml',
    'sh' => 'application/x-sh',
    'shar' => 'application/x-shar',
    'silo' => 'model/mesh',
    'sit' => 'application/x-stuffit',
    'skd' => 'application/x-koan',
    'skm' => 'application/x-koan',
    'skp' => 'application/x-koan',
    'skt' => 'application/x-koan',
    'smi' => 'application/smil',
    'smil' => 'application/smil',
    'snd' => 'audio/basic',
    'so' => 'application/octet-stream',
    'spl' => 'application/x-futuresplash',
    'src' => 'application/x-wais-source',
    'sv4cpio' => 'application/x-sv4cpio',
    'sv4crc' => 'application/x-sv4crc',
    'svg' => 'image/svg+xml',
    'swf' => 'application/x-shockwave-flash',
    't' => 'application/x-troff',
    'tar' => 'application/x-tar',
    'tcl' => 'application/x-tcl',
    'tex' => 'application/x-tex',
    'texi' => 'application/x-texinfo',
    'texinfo' => 'application/x-texinfo',
    'tif' => 'image/tiff',
    'tiff' => 'image/tiff',
    'tr' => 'application/x-troff',
    'tsv' => 'text/tab-separated-values',
    'txt' => 'text/plain',
    'ustar' => 'application/x-ustar',
    'vcd' => 'application/x-cdlink',
    'vrml' => 'model/vrml',
    'vxml' => 'application/voicexml+xml',
    'wav' => 'audio/x-wav',
    'wbmp' => 'image/vnd.wap.wbmp',
    'wbxml' => 'application/vnd.wap.wbxml',
    'webm' => 'video/webm',
    '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',
    'wrl' => 'model/vrml',
    'xbm' => 'image/x-xbitmap',
    'xht' => 'application/xhtml+xml',
    'xhtml' => 'application/xhtml+xml',
    'xls' => 'application/vnd.ms-excel',
    'xml' => 'application/xml',
    'xpm' => 'image/x-xpixmap',
    'xsl' => 'application/xml',
    'xslt' => 'application/xslt+xml',
    'xul' => 'application/vnd.mozilla.xul+xml',
    'xwd' => 'image/x-xwindowdump',
    'xyz' => 'chemical/x-xyz',
    'zip' => 'application/zip',
  );
  /**
   * Attempt to match the file extension to a known mime-type.
   *
   * @param string $ext (Required) The file extension to attempt to map.
   * @return string The mime-type to use for the file extension.
   */
  public static function get_mimetype($ext)
  {
    $ext = strtolower($ext); // Make sure the passed in extension is lowercase
    return isset(self::$mime_types[$ext]) ? self::$mime_types[$ext] : 'application/octet-stream';
  }
}

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