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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25 | { |
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26 | 2 | $em = $this->getDoctrine()->getManager(); |
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27 | |||
28 | 2 | $filter = new Filter(); |
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29 | 2 | $filterForm = $this->createForm(SurveyFilterType::class, $filter); |
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30 | 2 | $filterForm->handleRequest($request); |
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31 | |||
32 | 2 | $surveys = $em->getRepository(Survey::class)->selectSurveysByParams($filter); |
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33 | 2 | $types = $em->getRepository(SurveyType::class)->selectSurveyTypesByParams($filter); |
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34 | 2 | $surveyTypes = $em->getRepository(SurveyType::class)->findAll(); |
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35 | |||
36 | return [ |
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37 | 2 | 'surveys' => $this->get('knp_paginator') |
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38 | 2 | ->paginate( |
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39 | $surveys, |
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40 | 2 | $request->query->getInt('page', 1), |
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41 | 2 | 20 |
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42 | ), |
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43 | 2 | 'types' => $types, |
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44 | 2 | 'filterForm' => $filterForm->createView(), |
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45 | 2 | 'surveyTypes' => $surveyTypes |
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46 | ]; |
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47 | } |
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48 | |||
49 | /** |
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50 | * @param Survey $survey |
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51 | * @Route("/surveys/{id}", name="survey") |
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52 | * @Template("@App/survey.html.twig") |
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53 | * @ParamConverter("survey", class="AppBundle\Entity\Survey\Survey") |
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54 | * |
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55 | * @return array |
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56 | */ |
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57 | 1 | public function surveyAction(Survey $survey) |
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81 | |||
82 | /** |
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83 | * @param Request $request, SurveyType $surveyType |
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84 | * @Route("/surveys/create/{survey_type}", name="survey_create") |
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85 | * @ParamConverter("surveyType", options={"mapping": {"survey_type": "name"}}) |
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86 | */ |
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87 | 1 | public function surveyCreateAction(Request $request, SurveyType $surveyType) |
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106 | |||
107 | /** |
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108 | * @param Request $request, Survey $survey |
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109 | * @Route("/surveys/delete/{id}", requirements={"id": "\d+"}, name="survey_delete") |
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110 | * @ParamConverter("survey", class="AppBundle\Entity\Survey\Survey") |
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111 | */ |
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112 | 1 | public function surveyDeleteAction(Request $request, Survey $survey) |
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141 | } |
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142 |
When comparing two booleans, it is generally considered safer to use the strict comparison operator.