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

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

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

class UploadedFile extends File

class MimeTypeExtensionGuesser implements

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

File move(string $directory, string $name

bool isValid() Returns whether the file was uploaded successfully.

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