register(

Classes

string|null getClientMimeType() Returns the file mime type. The client mime type is extracted

string|null guessExtension() Returns the extension based on the mime type. If the mime

static int getMaxFilesize() Returns the maximum size of an uploaded file as configured

string|null guessClientExtension() Returns the extension based on the client mime type. If

static bool isSupported() Returns whether this guesser is supported on the current

class FileBinaryMimeTypeGuesser implements

static reset() Resets the singleton instance.

class FileinfoMimeTypeGuesser implements