Detailed explanation of the steps to obtain file mime types in PHP

php中世界最好的语言
Release: 2023-03-26 08:26:02
Original
2146 people have browsed it

This time I will give you a detailed explanation of the steps to obtain file mime types in PHP. What are the precautions for obtaining file mime types in PHP? Here is a practical case, let's take a look.

<?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(
    &#39;3gp&#39; => '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';
  }
}
Copy after login

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

Recommended reading:

How does PHP prevent concurrent repeated writing

PHP Session Detailed explanation of the steps to prevent repeated submission of forms

The above is the detailed content of Detailed explanation of the steps to obtain file mime types in PHP. For more information, please follow other related articles on the PHP Chinese website!

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!