php 获取文件mime类型、格式
2015-08-12 PHP 1015
//类定义结束
if( !function_exists (\'mime_content_type\')) {
/**
+----------------------------------------------------------
* 获取文件的mime_content类型
+--------------------------------------
//类定义结束 if( !function_exists ('mime_content_type')) { /** +---------------------------------------------------------- * 获取文件的mime_content类型 +---------------------------------------------------------- * @return string +---------------------------------------------------------- */ function mime_content_type($filename) { static $contentType = array( 'ai' => 'application/postscript', 'aif' => 'audio/x-aiff', 'aifc' => 'audio/x-aiff', 'aiff' => 'audio/x-aiff', 'asc' => 'application/pgp', //changed by skwashd - was 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', 'c' => 'text/plain', // or 'text/x-csrc', //added by skwashd 'cc' => 'text/plain', // or 'text/x-c++src', //added by skwashd 'cs' => 'text/plain', //added by skwashd - for C# src 'cpp' => 'text/x-c++src', //added by skwashd 'cxx' => 'text/x-c++src', //added by skwashd 'cdf' => 'application/x-netcdf', 'class' => 'application/octet-stream',//secure but application/java-class is correct 'com' => 'application/octet-stream',//added by skwashd 'cpio' => 'application/x-cpio', 'cpt' => 'application/mac-compactpro', 'csh' => 'application/x-csh', 'css' => 'text/css', 'csv' => 'text/comma-separated-values',//added by skwashd 'dcr' => 'application/x-director', 'diff' => 'text/diff', 'dir' => 'application/x-director', 'dll' => 'application/octet-stream', 'dms' => 'application/octet-stream', 'doc' => 'application/msword', 'dot' => 'application/msword',//added by skwashd 'dvi' => 'application/x-dvi', 'dxr' => 'application/x-director', 'eps' => 'application/postscript', 'etx' => 'text/x-setext', 'exe' => 'application/octet-stream', 'ez' => 'application/andrew-inset', 'gif' => 'image/gif', 'gtar' => 'application/x-gtar', 'gz' => 'application/x-gzip', 'h' => 'text/plain', // or 'text/x-chdr',//added by skwashd 'h++' => 'text/plain', // or 'text/x-c++hdr', //added by skwashd 'hh' => 'text/plain', // or 'text/x-c++hdr', //added by skwashd 'hpp' => 'text/plain', // or 'text/x-c++hdr', //added by skwashd 'hxx' => 'text/plain', // or 'text/x-c++hdr', //added by skwashd 'hdf' => 'application/x-hdf', 'hqx' => 'application/mac-binhex40', 'htm' => 'text/html', 'html' => 'text/html', 'ice' => 'x-conference/x-cooltalk', 'ics' => 'text/calendar', 'ief' => 'image/ief', 'ifb' => 'text/calendar', 'iges' => 'model/iges', 'igs' => 'model/iges', 'jar' => 'application/x-jar', //added by skwashd - alternative mime type 'java' => 'text/x-java-source', //added by skwashd 'jpe' => 'image/jpeg', 'jpeg' => 'image/jpeg', 'jpg' => 'image/jpeg', 'js' => 'application/x-javascript', 'kar' => 'audio/midi', 'latex' => 'application/x-latex', 'lha' => 'application/octet-stream', 'log' => 'text/plain', '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', 'oda' => 'application/oda', 'patch' => 'text/diff', 'pbm' => 'image/x-portable-bitmap', 'pdb' => 'chemical/x-pdb', 'pdf' => 'application/pdf', 'pgm' => 'image/x-portable-graymap', 'pgn' => 'application/x-chess-pgn', 'pgp' => 'application/pgp',//added by skwashd 'php' => 'application/x-httpd-php', 'php3' => 'application/x-httpd-php3', 'pl' => 'application/x-perl', 'pm' => 'application/x-perl', 'png' => 'image/png', 'pnm' => 'image/x-portable-anymap', 'po' => 'text/plain', 'ppm' => 'image/x-portable-pixmap', 'ppt' => 'application/vnd.ms-powerpoint', 'ps' => 'application/postscript', 'qt' => 'video/quicktime', 'ra' => 'audio/x-realaudio', 'rar'=>'application/octet-stream', 'ram' => 'audio/x-pn-realaudio', 'ras' => 'image/x-cmu-raster', 'rgb' => 'image/x-rgb', 'rm' => 'audio/x-pn-realaudio', 'roff' => 'application/x-troff', 'rpm' => 'audio/x-pn-realaudio-plugin', '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', '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-gtar', 'tif' => 'image/tiff', 'tiff' => 'image/tiff', 'tr' => 'application/x-troff', 'tsv' => 'text/tab-separated-values', 'txt' => 'text/plain', 'ustar' => 'application/x-ustar', 'vbs' => 'text/plain', //added by skwashd - for obvious reasons 'vcd' => 'application/x-cdlink', 'vcf' => 'text/x-vcard', 'vcs' => 'text/calendar', 'vfb' => 'text/calendar', 'vrml' => 'model/vrml', 'vsd' => 'application/vnd.visio', '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', 'wmd' => 'application/x-ms-wmd', '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', 'wmz' => 'application/x-ms-wmz', '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', 'xlt' => 'application/vnd.ms-excel', 'xml' => 'application/xml', 'xpm' => 'image/x-xpixmap', 'xsl' => 'text/xml', 'xwd' => 'image/x-xwindowdump', 'xyz' => 'chemical/x-xyz', 'z' => 'application/x-compress', 'zip' => 'application/zip', ); $type = strtolower(substr(strrchr($filename, '.'),1)); if(isset($contentType[$type])) { $mime = $contentType[$type]; }else { $mime = 'application/octet-stream'; } return $mime; } } if(!function_exists('image_type_to_extension')){ function image_type_to_extension($imagetype) { if(empty($imagetype)) return false; switch($imagetype) { case IMAGETYPE_GIF : return '.gif'; case IMAGETYPE_JPEG : return '.jpg'; case IMAGETYPE_PNG : return '.png'; case IMAGETYPE_SWF : return '.swf'; case IMAGETYPE_PSD : return '.psd'; case IMAGETYPE_BMP : return '.bmp'; case IMAGETYPE_TIFF_II : return '.tiff'; case IMAGETYPE_TIFF_MM : return '.tiff'; case IMAGETYPE_JPC : return '.jpc'; case IMAGETYPE_JP2 : return '.jp2'; case IMAGETYPE_JPX : return '.jpf'; case IMAGETYPE_JB2 : return '.jb2'; case IMAGETYPE_SWC : return '.swc'; case IMAGETYPE_IFF : return '.aiff'; case IMAGETYPE_WBMP : return '.wbmp'; case IMAGETYPE_XBM : return '.xbm'; default : return false; } } }
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