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 |
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| 16 | class SurveyController extends Controller |
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| 17 | { |
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| 18 | /** |
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| 19 | * @Route("/surveys", name="surveys") |
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| 20 | * @Template("@App/surveys.html.twig") |
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| 21 | * |
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| 22 | * @return array |
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| 23 | */ |
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| 24 | 2 | public function surveysAction(Request $request) |
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| 46 | |||
| 47 | /** |
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| 48 | * @param Survey $survey |
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| 49 | * @Route("/surveys/{id}", name="survey") |
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| 50 | * @Template("@App/survey.html.twig") |
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| 51 | * @ParamConverter("survey", class="AppBundle\Entity\Survey\Survey") |
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| 52 | * |
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| 53 | * @return array |
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| 54 | */ |
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| 55 | 1 | public function surveyAction(Survey $survey) |
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| 56 | { |
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| 57 | 1 | $em = $this->getDoctrine()->getManager(); |
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| 58 | 1 | if ($survey->isReviewed() == false) { |
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| 59 | 1 | $survey->setReviewed(true); |
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| 60 | 1 | $em->persist($survey); |
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| 61 | 1 | $em->flush(); |
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| 62 | } |
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| 63 | 1 | $answers = $em->getRepository(SurveyAnswer::class)->findAnswersBySurvey($survey); |
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| 64 | 1 | View Code Duplication | if ($answers) { |
| 65 | 1 | foreach ($answers as $answer) { |
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| 66 | 1 | $questions[] = $answer->getQuestion()->getId(); |
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| 67 | 1 | $contents[] = $answer->getContent(); |
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| 68 | } |
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| 69 | 1 | $questionAnswer = array_combine($questions, $contents); |
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| 70 | } |
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| 71 | 1 | if (!$answers) { |
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| 72 | $questionAnswer = null; |
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| 73 | } |
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| 74 | |||
| 75 | return [ |
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| 76 | 1 | 'survey' => $survey, 'question_answers' => $questionAnswer, |
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| 77 | ]; |
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| 78 | } |
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| 79 | |||
| 80 | /** |
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| 81 | * @param Request $request, SurveyType $surveyType |
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| 82 | * @Route("/surveys/create/{survey_type}", name="survey_create") |
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| 83 | * @ParamConverter("surveyType", options={"mapping": {"survey_type": "name"}}) |
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| 84 | */ |
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| 85 | 1 | public function surveyCreateAction(Request $request, SurveyType $surveyType) |
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| 104 | |||
| 105 | /** |
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| 106 | * @param Request $request, Survey $survey |
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| 107 | * @Route("/surveys/delete/{id}", requirements={"id": "\d+"}, name="survey_delete") |
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| 108 | * @ParamConverter("survey", class="AppBundle\Entity\Survey\Survey") |
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| 109 | */ |
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| 110 | 1 | public function surveyDeleteAction(Request $request, Survey $survey) |
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| 139 | } |
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| 140 |
When comparing two booleans, it is generally considered safer to use the strict comparison operator.