Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php | ||
| 8 | class TestMailerToFile extends Mailer | ||
| 9 | { | ||
| 10 | private static $show_all_details = false; | ||
| 11 | |||
| 12 | private static $file_to_write_to = "assets/emails.txt"; | ||
| 13 | |||
| 14 | private static $separation_string = " | ||
| 15 | -------------------------------------------------------------------------------------------------------------------------------------"; | ||
| 16 | |||
| 17 | /** | ||
| 18 | * Send a plain-text email | ||
| 19 | */ | ||
| 20 | public function sendPlain($to, $from, $subject, $plainContent, $attachedFiles = false, $customheaders = false) | ||
| 40 | |||
| 41 | /** | ||
| 42 | * Send a multi-part HTML email | ||
| 43 | */ | ||
| 44 | public function sendHTML($to, $from, $subject, $htmlContent, $attachedFiles = false, $customheaders = false, $plainContent = false, $inlineImages = false) | ||
| 66 | |||
| 67 | protected function writeToFile($string) | ||
| 75 | } | ||
| 76 |