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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| 33 | class OrganizationController extends Controller  | 
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| 34 | { | 
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| 35 | /**  | 
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| 36 | * List all organizations.  | 
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| 37 | *  | 
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| 38 | * @ApiDoc(  | 
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| 39 | * resource=true,  | 
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| 40 | * description="List all organizations",  | 
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| 41 |      *     statusCodes={ | 
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| 42 | * 200="Returned on success.",  | 
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| 43 | * 500="Returned when unexpected error occurred."  | 
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| 44 | * }  | 
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| 45 | * )  | 
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| 46 |      * @Route("/api/{version}/organizations/", options={"expose"=true}, defaults={"version"="v1"}, name="swp_api_core_list_organizations") | 
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| 47 |      * @Method("GET") | 
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| 48 | *  | 
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| 49 | * @Cache(expires="10 minutes", public=true)  | 
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| 50 | */  | 
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| 51 | View Code Duplication | public function listAction(Request $request)  | 
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| 58 | |||
| 59 | /**  | 
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| 60 | * List all current organization's articles.  | 
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| 61 | *  | 
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| 62 | * @ApiDoc(  | 
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| 63 | * resource=true,  | 
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| 64 | * description="List all current organization's articles",  | 
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| 65 |      *     statusCodes={ | 
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| 66 | * 200="Returned on success.",  | 
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| 67 | * 500="Returned when unexpected error occurred."  | 
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| 68 | * },  | 
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| 69 |      *     filters={ | 
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| 70 |      *         {"name"="status", "dataType"="string", "pattern"="new|published|unpublished|canceled"} | 
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| 71 | * }  | 
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| 72 | * )  | 
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| 73 |      * @Route("/api/{version}/organization/articles/", options={"expose"=true}, defaults={"version"="v1"}, name="swp_api_core_list_organization_articles") | 
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| 74 |      * @Method("GET") | 
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| 75 | *  | 
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| 76 | * @Cache(expires="10 minutes", public=true)  | 
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| 77 | */  | 
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| 78 | public function articlesAction(Request $request)  | 
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| 98 | |||
| 99 | /**  | 
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| 100 | * Updates organization's article.  | 
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| 101 | *  | 
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| 102 | * @ApiDoc(  | 
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| 103 | * resource=true,  | 
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| 104 | * description="Updates organization's article",  | 
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| 105 |      *     statusCodes={ | 
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| 106 | * 200="Returned on success.",  | 
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| 107 | * 400="Returned when validation failed.",  | 
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| 108 | * 500="Returned when unexpected error."  | 
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| 109 | * },  | 
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| 110 | * input="SWP\Bundle\ContentBundle\Form\Type\ArticleType"  | 
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| 111 | * )  | 
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| 112 |      * @Route("/api/{version}/organization/articles/{id}", options={"expose"=true}, defaults={"version"="v1"}, name="swp_api_core_update_organization_articles", requirements={"id"="\d+"}) | 
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| 113 |      * @Method("PATCH") | 
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| 114 | */  | 
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| 115 | View Code Duplication | public function updateArticleAction(Request $request, int $id)  | 
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| 134 | |||
| 135 | /**  | 
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| 136 | * Show single tenant article.  | 
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| 137 | *  | 
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| 138 | * @ApiDoc(  | 
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| 139 | * resource=true,  | 
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| 140 | * description="Show single organization article",  | 
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| 141 |      *     statusCodes={ | 
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| 142 | * 200="Returned on success."  | 
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| 143 | * }  | 
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| 144 | * )  | 
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| 145 |      * @Route("/api/{version}/organization/articles/{id}", options={"expose"=true}, defaults={"version"="v1"}, name="swp_api_core_show_organization_article", requirements={"id"="\d+"}) | 
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| 146 |      * @Method("GET") | 
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| 147 | *  | 
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| 148 | * @Cache(expires="10 minutes", public=true)  | 
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| 149 | */  | 
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| 150 | public function getAction(int $id)  | 
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| 154 | |||
| 155 | private function getOrganizationArticle(int $id)  | 
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| 164 | |||
| 165 | private function findOr404(int $id)  | 
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| 178 | }  | 
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| 179 | 
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.