<?php
/********************************
* The following commented code can be uncommented if you wish
* to quickly find information about your system's MIME setup.
*
* Simply remove the "REMOVE ME TO TEST" lines below to have
* the code run when this file runs.
*
* In addition to these tests, you'll find some commented code
* at the bottom of the file that can be used to test the
* function.
*
* Run the code with this command:
* php mime_type_lib.php
********************************/
/* REMOVE ME TO TEST
echo "magicfile: " . ini_get( 'mime_magic.magicfile' ) . "\n";
if ( function_exists( 'finfo_open' ) )
echo "Found finfo_open function\n";
else
echo "Did not find finfo_open function\n";
if ( function_exists( 'mime_content_type' ) )
echo "Found mime_content_type function\n";
else
echo "Did not find mime_content_type function\n";
REMOVE ME TO TEST */
if ( ! function_exists('get_file_mime_type'))
{
function get_file_mime_type($filename, $debug = false)
{
if (function_exists('finfo_open') && function_exists('finfo_file') && function_exists('finfo_close'))
{
$fileinfo = finfo_open(FILEINFO_MIME);
$mime_type = finfo_file($fileinfo, $filename);
finfo_close($fileinfo);
if ( ! empty($mime_type))
{
if (true === $debug)
{
return array( 'mime_type' => $mime_type, 'method' => 'fileinfo' );
}
return $mime_type;
}
}
if (function_exists('mime_content_type'))
{
$mime_type = mime_content_type($filename);
if ( ! empty($mime_type))
{
if (true === $debug)
{
return array( 'mime_type' => $mime_type, 'method' => 'mime_content_type' );
}
return $mime_type;
}
}
$mime_types = array(
'ai' => 'application/postscript',
'aif' => 'audio/x-aiff',
'aifc' => 'audio/x-aiff',
'aiff' => 'audio/x-aiff',
'asc' => 'text/plain',
'asf' => 'video/x-ms-asf',
'asx' => 'video/x-ms-asf',
'au' => 'audio/basic',
'avi' => 'video/x-msvideo',
'bcpio' => 'application/x-bcpio',
'bin' => 'application/octet-stream',
'bmp' => 'image/bmp',
'bz2' => 'application/x-bzip2',
'cdf' => 'application/x-netcdf',
'chrt' => 'application/x-kchart',
'class' => 'application/octet-stream',
'cpio' => 'application/x-cpio',
'cpt' => 'application/mac-compactpro',
'csh' => 'application/x-csh',
'css' => 'text/css',
'dcr' => 'application/x-director',
'dir' => 'application/x-director',
'djv' => 'image/vnd.djvu',
'djvu' => 'image/vnd.djvu',
'dll' => 'application/octet-stream',
'dms' => 'application/octet-stream',
'doc' => 'application/msword',
'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',
'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',
'ief' => 'image/ief',
'iges' => 'model/iges',
'igs' => 'model/iges',
'img' => 'application/octet-stream',
'iso' => 'application/octet-stream',
'jad' => 'text/vnd.sun.j2me.app-descriptor',
'jar' => 'application/x-java-archive',
'jnlp' => 'application/x-java-jnlp-file',
'jpe' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'jpg' => 'image/jpeg',
'js' => 'application/x-javascript',
'kar' => 'audio/midi',
'kil' => 'application/x-killustrator',
'kpr' => 'application/x-kpresenter',
'kpt' => 'application/x-kpresenter',
'ksp' => 'application/x-kspread',
'kwd' => 'application/x-kword',
'kwt' => 'application/x-kword',
'latex' => 'application/x-latex',
'lha' => 'application/octet-stream',
'lzh' => 'application/octet-stream',
'm3u' => 'audio/x-mpegurl',
'man' => 'application/x-troff-man',
'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',
'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',
'odb' => 'application/vnd.oasis.opendocument.database',
'odc' => 'application/vnd.oasis.opendocument.chart',
'odf' => 'application/vnd.oasis.opendocument.formula',
'odg' => 'application/vnd.oasis.opendocument.graphics',
'odi' => 'application/vnd.oasis.opendocument.image',
'odm' => 'application/vnd.oasis.opendocument.text-master',
'odp' => 'application/vnd.oasis.opendocument.presentation',
'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
'odt' => 'application/vnd.oasis.opendocument.text',
'ogg' => 'application/ogg',
'otg' => 'application/vnd.oasis.opendocument.graphics-template',
'oth' => 'application/vnd.oasis.opendocument.text-web',
'otp' => 'application/vnd.oasis.opendocument.presentation-template',
'ots' => 'application/vnd.oasis.opendocument.spreadsheet-template',
'ott' => 'application/vnd.oasis.opendocument.text-template',
'pbm' => 'image/x-portable-bitmap',
'pdb' => 'chemical/x-pdb',
'pdf' => 'application/pdf',
'pgm' => 'image/x-portable-graymap',
'pgn' => 'application/x-chess-pgn',
'png' => 'image/png',
'pnm' => 'image/x-portable-anymap',
'ppm' => 'image/x-portable-pixmap',
'ppt' => 'application/vnd.ms-powerpoint',
'ps' => 'application/postscript',
'qt' => 'video/quicktime',
'ra' => 'audio/x-realaudio',
'ram' => 'audio/x-pn-realaudio',
'ras' => 'image/x-cmu-raster',
'rgb' => 'image/x-rgb',
'rm' => 'audio/x-pn-realaudio',
'roff' => 'application/x-troff',
'rpm' => 'application/x-rpm',
'rtf' => 'text/rtf',
'rtx' => 'text/richtext',
'sgm' => 'text/sgml',
'sgml' => 'text/sgml',
'sh' => 'application/x-sh',
'shar' => 'application/x-shar',
'silo' => 'model/mesh',
'sis' => 'application/vnd.symbian.install',
'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',
'stc' => 'application/vnd.sun.xml.calc.template',
'std' => 'application/vnd.sun.xml.draw.template',
'sti' => 'application/vnd.sun.xml.impress.template',
'stw' => 'application/vnd.sun.xml.writer.template',
'sv4cpio' => 'application/x-sv4cpio',
'sv4crc' => 'application/x-sv4crc',
'swf' => 'application/x-shockwave-flash',
'sxc' => 'application/vnd.sun.xml.calc',
'sxd' => 'application/vnd.sun.xml.draw',
'sxg' => 'application/vnd.sun.xml.writer.global',
'sxi' => 'application/vnd.sun.xml.impress',
'sxm' => 'application/vnd.sun.xml.math',
'sxw' => 'application/vnd.sun.xml.writer',
't' => 'application/x-troff',
'tar' => 'application/x-tar',
'tcl' => 'application/x-tcl',
'tex' => 'application/x-tex',
'texi' => 'application/x-texinfo',
'texinfo' => 'application/x-texinfo',
'tgz' => 'application/x-gzip',
'tif' => 'image/tiff',
'tiff' => 'image/tiff',
'torrent' => 'application/x-bittorrent',
'tr' => 'application/x-troff',
'tsv' => 'text/tab-separated-values',
'txt' => 'text/plain',
'ustar' => 'application/x-ustar',
'vcd' => 'application/x-cdlink',
'vrml' => 'model/vrml',
'wav' => 'audio/x-wav',
'wax' => 'audio/x-ms-wax',
'wbmp' => 'image/vnd.wap.wbmp',
'wbxml' => 'application/vnd.wap.wbxml',
'wm' => 'video/x-ms-wm',
'wma' => 'audio/x-ms-wma',
'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',
'wmx' => 'video/x-ms-wmx',
'wrl' => 'model/vrml',
'wvx' => 'video/x-ms-wvx',
'xbm' => 'image/x-xbitmap',
'xht' => 'application/xhtml+xml',
'xhtml' => 'application/xhtml+xml',
'xls' => 'application/vnd.ms-excel',
'xml' => 'text/xml',
'xpm' => 'image/x-xpixmap',
'xsl' => 'text/xml',
'xwd' => 'image/x-xwindowdump',
'xyz' => 'chemical/x-xyz',
'zip' => 'application/zip'
);
$tmp_array = explode('.', $filename);
$ext = strtolower(array_pop($tmp_array));
if ( ! empty($mime_types[ $ext ]))
{
if (true === $debug)
{
return array( 'mime_type' => $mime_types[ $ext ], 'method' => 'from_array' );
}
return $mime_types[ $ext ];
}
if (true === $debug)
{
return array( 'mime_type' => 'application/octet-stream', 'method' => 'last_resort' );
}
return 'application/octet-stream';
}
}
/********************
* The following code can be used to test the function.
* First put a plain text file named "test.txt" and a
* JPEG image file named "image.jpg" in the same folder
* as this file.
*
* Simply remove the "REMOVE ME TO TEST" lines below to have
* the code run when this file runs.
*
* Run the code with this command:
* php mime_type_lib.php
********************/
/* REMOVE ME TO TEST
echo get_file_mime_type( 'test.txt' ) . "\n";
echo print_r( get_file_mime_type( 'image.jpg', true ), true ) . "\n";
REMOVE ME TO TEST */