<?php
namespace GuzzleHttp\Psr7;
final class MimeType
{
/**
* Determines the mimetype of a file by looking at its extension.
*
* @param string $filename
*
* @return string|null
*/
public static function fromFilename($filename)
{
return self::fromExtension(pathinfo($filename, PATHINFO_EXTENSION));
}
/**
* Maps a file extensions to a mimetype.
*
* @param string $extension string The file extension.
*
* @return string|null
*
* @link http://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x/conf/mime.types
*/
public static function fromExtension($extension)
{
static $mimetypes = [
'3gp' => 'video/3gpp',
'7z' => 'application/x-7z-compressed',
'aac' => 'audio/x-aac',
'ai' => 'application/postscript',
'aif' => 'audio/x-aiff',
'asc' => 'text/plain',
'asf' => 'video/x-ms-asf',
'atom' => 'application/atom+xml',
'avi' => 'video/x-msvideo',
'bmp' => 'image/bmp',
'bz2' => 'application/x-bzip2',
'cer' => 'application/pkix-cert',
'crl' => 'application/pkix-crl',
'crt' => 'application/x-x509-ca-cert',
'css' => 'text/css',
'csv' => 'text/csv',
'cu' => 'application/cu-seeme',
'deb' => 'application/x-debian-package',
'doc' => 'application/msword',
'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'dvi' => 'application/x-dvi',
'eot' => 'application/vnd.ms-fontobject',
'eps' => 'application/postscript',
'epub' => 'application/epub+zip',
'etx' => 'text/x-setext',
'flac' => 'audio/flac',
'flv' => 'video/x-flv',
'gif' => 'image/gif',
'gz' => 'application/gzip',
'htm' => 'text/html',
'html' => 'text/html',
'ico' => 'image/x-icon',
'ics' => 'text/calendar',
'ini' => 'text/plain',
'iso' => 'application/x-iso9660-image',
'jar' => 'application/java-archive',
'jpe' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'jpg' => 'image/jpeg',
'js' => 'text/javascript',
'json' => 'application/json',
'latex' => 'application/x-latex',
'log' => 'text/plain',
'm4a' => 'audio/mp4',
'm4v' => 'video/mp4',
'mid' => 'audio/midi',
'midi' => 'audio/midi',
'mov' => 'video/quicktime',
'mkv' => 'video/x-matroska',
'mp3' => 'audio/mpeg',
'mp4' => 'video/mp4',
'mp4a' => 'audio/mp4',
'mp4v' => 'video/mp4',
'mpe' => 'video/mpeg',
'mpeg' => 'video/mpeg',
'mpg' => 'video/mpeg',
'mpg4' => 'video/mp4',
'oga' => 'audio/ogg',
'ogg' => 'audio/ogg',
'ogv' => 'video/ogg',
'ogx' => 'application/ogg',
'pbm' => 'image/x-portable-bitmap',
'pdf' => 'application/pdf',
'pgm' => 'image/x-portable-graymap',
'png' => 'image/png',
'pnm' => 'image/x-portable-anymap',
'ppm' => 'image/x-portable-pixmap',
'ppt' => 'application/vnd.ms-powerpoint',
'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
'ps' => 'application/postscript',
'qt' => 'video/quicktime',
'rar' => 'application/x-rar-compressed',
'ras' => 'image/x-cmu-raster',
'rss' => 'application/rss+xml',
'rtf' => 'application/rtf',
'sgm' => 'text/sgml',
'sgml' => 'text/sgml',
'svg' => 'image/svg+xml',
'swf' => 'application/x-shockwave-flash',
'tar' => 'application/x-tar',
'tif' => 'image/tiff',
'tiff' => 'image/tiff',
'torrent' => 'application/x-bittorrent',
'ttf' => 'application/x-font-ttf',
'txt' => 'text/plain',
'wav' => 'audio/x-wav',
'webm' => 'video/webm',
'webp' => 'image/webp',
'wma' => 'audio/x-ms-wma',
'wmv' => 'video/x-ms-wmv',
'woff' => 'application/x-font-woff',
'wsdl' => 'application/wsdl+xml',
'xbm' => 'image/x-xbitmap',
'xls' => 'application/vnd.ms-excel',
'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'xml' => 'application/xml',
'xpm' => 'image/x-xpixmap',
'xwd' => 'image/x-xwindowdump',
'yaml' => 'text/yaml',
'yml' => 'text/yaml',
'zip' => 'application/zip',
];
$extension = strtolower($extension);
return isset($mimetypes[$extension])
? $mimetypes[$extension]
: null;
}
}