__construct() __construct(string $magicFile = null) Parameters string $magicFile A magic file to use with the finfo instance
isSupported() isSupported() : boolean Returns whether this guesser is supported on the current OS/PHP setup. Returns boolean
guess() guess(string $path) : string Guesses the mime type of the file with the given path. Parameters string $path The path to the file Returns string — The mime type or NULL, if none could be guessed