'jpg', 'image/png' => 'png', 'image/tiff' => 'tiff', 'image/gif' => 'gif', // pdf 'applications/vnd.pdf' => 'pdf', 'application/acrobat' => 'pdf', 'application/x-pdf' => 'pdf', 'application/pdf' => 'pdf', 'text/x-pdf' => 'pdf', 'text/pdf' => 'pdf', // odt 'application/vnd.oasis.opendocument.text' => 'odt', 'application/x-vnd.oasis.opendocument.text' => 'odt', // zip 'application/x-zip-compressed' => 'zip', 'application/x-compressed' => 'zip', 'application/octet-stream' => 'zip', 'application/x-compress' => 'zip', 'application/x-zip' => 'zip', 'application/zip' => 'zip', 'multipart/x-zip' => 'zip', // doc 'application/vnd.ms-word' => 'doc', 'application/vnd.msword' => 'doc', 'application/x-msword' => 'doc', 'application/winword' => 'doc', 'application/msword' => 'doc', 'application/x-msw6' => 'doc', 'application/word' => 'doc', 'application/doc' => 'doc', 'appl/text' => 'doc', // docx 'application/vnd.openxmlformats-officedocument.wordprocessingml.document' => 'docx', // ppt 'application/vnd.ms-powerpoint' => 'ppt', 'application/vnd-mspowerpoint' => 'ppt', 'application/ms-powerpoint' => 'ppt', 'application/mspowerpoint' => 'ppt', 'application/x-powerpoint' => 'ppt', 'application/mspowerpnt' => 'ppt', 'application/powerpoint' => 'ppt', 'application/mspowerpnt' => 'ppt', 'application/x-m' => 'ppt', ); public static $extensionToMime = array( 'jpg' => 'image/jpeg', 'png' => 'image/png', 'tiff' => 'image/tif', 'pdf' => 'application/pdf', 'odt' => 'application/vnd.oasis.opendocument.text', 'zip' => 'application/zip', 'doc' => 'application/msword', 'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'ppt' => 'application/vnd.ms-powerpoint', ); public static function getMime($extension) { return self::$extnsionToMime[$extension]; } public static function getExtension($mime) { return self::$mimeToExtension[$mime]; } }