Josegonzalez\Upload\Validation\Traits\UploadValidationTrait::isFileUpload PHP Метод

Check that a file was uploaded

public static isFileUpload ( mixed $check ) : boolean
$check	mixed	Value to check
Результат	boolean	Success

    public static function isFileUpload($check)
    {
        return Hash::get($check, 'error') !== UPLOAD_ERR_NO_FILE;
    }

UploadValidationTrait