if ('x' === $this->ar) {
                    if (phpthumb_functions::version_compare_replacement(PHP_VERSION, '4.2.0', '>=')) {
                        if ($this->sourceFilename) {
                            if (function_exists('exif_read_data')) {
                                if ($exif_data = @exif_read_data($this->sourceFilename, 'IFD0')) {