本文实例讲述了PHP实现的获取文件mimes类型工具类。分享给大家供大家参考,具体如下:
<?php /* * Copyright 2010-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). * You may not use this file except in compliance with the License. * A copy of the License is located at * * http://aws.amazon.com/apache2.0 * * or in the "license" file accompanying this file. This file is distributed * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either * express or implied. See the License for the specific language governing * permissions and limitations under the License. */ /*%******************************************************************************************%*/ // CLASS /** * Simplifies the process of looking up the content-types for a variety of file extensions. * * @version 2010.07.20 * @license See the included NOTICE.md file for more information. * @copyright See the included NOTICE.md file for more information. * @link http://aws.amazon.com/php/ PHP Developer Center */ class CFMimeTypes { /** * Map of the extension-to-mime-types that we support. */ public static $mime_types = array( '3gp' => '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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