string getClientOriginalExtension() Returns the original file extension. It is extracted

interface ExtensionGuesserInterface Guesses the file extension corresponding to a given mime type

string guess(string $path) Guesses the mime type of the file with the given path.

string|null getClientOriginalName() Returns the original file name. It is extracted from

class UploadedFile extends File

class MimeTypeExtensionGuesser implements

string getErrorMessage() Returns an informative upload error message.

string guess(string $path) Tries to guess the mime type of the given file. The file is

int getError() Returns the upload error. If the upload was successful, the constant UPLOADERROK

class MimeTypeGuesser implements