if (!function_exists('mime_content_type'))
{
function mime_content_type($filename)
{
static $mime = array(
'ai' =>'application/postscript', 'aif' =>'audio/x-aiff',
'aifc' =>'audio/x-aiff', 'aiff' =>'audio/x-aiff',
'asc' =>'text/plain', 'atom' =>'application/atom+xml',
'avi' =>'video/x-msvideo', 'bcpio' =>'application/x-bcpio',
'bmp' =>'image/bmp', 'cdf' =>'application/x-netcdf',
'cgm' =>'image/cgm', 'cpio' =>'application/x-cpio',
'cpt' =>'application/mac-compactpro', 'crl' =>'application/x-pkcs7-crl',
'crt' =>'application/x-x509-ca-cert', 'csh' =>'application/x-csh',
'css' =>'text/css', 'dcr' =>'application/x-director',
'dir' =>'application/x-director', 'djv' =>'image/vnd.djvu',
'djvu' =>'image/vnd.djvu', 'doc' =>'application/msword',
'dtd' =>'application/xml-dtd', 'dvi' =>'application/x-dvi',
'dxr' =>'application/x-director', 'eps' =>'application/postscript',
'etx' =>'text/x-setext', 'ez' =>'application/andrew-inset',
'gif' =>'image/gif', 'gram' =>'application/srgs',
'grxml' =>'application/srgs+xml', 'gtar' =>'application/x-gtar',
'hdf' =>'application/x-hdf', 'hqx' =>'application/mac-binhex40',
'html' =>'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', 'jpe' =>'image/jpeg',
'jpeg' =>'image/jpeg', 'jpg' =>'image/jpeg',
'js' =>'application/x-javascript', 'kar' =>'audio/midi',
'latex' =>'application/x-latex', 'm3u' =>'audio/x-mpegurl',
'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', 'mpe' =>'video/mpeg',
'mpeg' =>'video/mpeg', 'mpg' =>'video/mpeg',
'mpga' =>'audio/mpeg', 'ms' =>'application/x-troff-ms',
'msh' =>'model/mesh', 'mxu m4u' =>'video/vnd.mpegurl',
'nc' =>'application/x-netcdf', 'oda' =>'application/oda',
'ogg' =>'application/ogg', 'pbm' =>'image/x-portable-bitmap',
'pdb' =>'chemical/x-pdb', 'pdf' =>'application/pdf',
'pgm' =>'image/x-portable-graymap', 'pgn' =>'application/x-chess-pgn',
'php' =>'application/x-httpd-php', 'php4' =>'application/x-httpd-php',
'php3' =>'application/x-httpd-php', 'phtml' =>'application/x-httpd-php',
'phps' =>'application/x-httpd-php-source','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-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',
'shtml' =>'text/html', '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',
'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',
'tgz' =>'application/x-tar', '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', 'wml' =>'text/vnd.wap.wml',
'wmlc' =>'application/vnd.wap.wmlc', 'wmlc' =>'application/vnd.wap.wmlc',
'wmls' =>'text/vnd.wap.wmlscript', 'wmlsc' =>'application/vnd.wap.wmlscriptc',
'wmlsc' =>'application/vnd.wap.wmlscriptc', 'wrl' =>'model/vrml',
'xbm' =>'image/x-xbitmap', 'xht' =>'application/xhtml+xml',
'xhtml' =>'application/xhtml+xml', 'xls' =>'application/vnd.ms-excel',
'xml xsl' =>'application/xml', 'xpm' =>'image/x-xpixmap',
'xslt' =>'application/xslt+xml', 'xul' =>'application/vnd.mozilla.xul+xml',
'xwd' =>'image/x-xwindowdump', 'xyz' =>'chemical/x-xyz',
'zip' =>'application/zip'
);
$ext = strtolower(pathinfo($filename,PATHINFO_EXTENSION));
return isset($mime[$ext])?$mime[$ext]:'application/octet-stream';
}
}
function send_file_to_download($path,$name = NULL)
{
$fp = fopen($path,'rb');
if (!$fp) {return FALSE;}
ob_end_clean();
ob_implicit_flush(1);
$s = $size = $end = filesize($path);
$start = 0;
if (isset($_SERVER['HTTP_RANGE']))
{
header('HTTP/1.1 206 Partial Content');
preg_match('~^bytes=(\d+)?\-(\d+)?$~',$_SERVER['HTTP_RANGE'],$m);
if (isset($m[1])) {$start = $m[1]; fseek($fp,$m[1]); $s -= $m[1];}
if (isset($m[2])) {$s -= $m[2]; $end = $m[2];}
}
header('Content-Disposition: attachment; filename='.($name !== NULL?$name:basename($path)));
header('Last-Modified: '.date('D, d M Y H:i:s T',filemtime($path)));
header('Accept-Ranges: bytes');
header('Content-Length: '.$s);
header('Content-Range: bytes '.$start.'-'.$end.'/'.$size);
header('Content-type: '.mime_content_type($path));
$g = 0;
while (!feof($fp) and $fp)
{
$buf = fread($fp,4096);
$g += strlen($buf);
if ($g > $s) {$v = $g-$s; echo substr($buf,0,-1*$v); break;}
else {echo $buf;}
}
}
и это совсем не file compare.