diff --git a/main/auth/courses_controller.php b/main/auth/courses_controller.php
index 1e2b5abe43..853ef0628c 100755
--- a/main/auth/courses_controller.php
+++ b/main/auth/courses_controller.php
@@ -6,7 +6,6 @@ use Chamilo\CoreBundle\Entity\SequenceResource;
 use Chamilo\CoreBundle\Entity\SessionRelCourse;
 use Chamilo\CoreBundle\Entity\Tag;
 
-
 /**
  * Class CoursesController.
  *
@@ -827,6 +826,21 @@ class CoursesController
         $tpl->display($contentTemplate);
     }
 
+    /**
+     * @return array
+     */
+    public static function getLimitArray()
+    {
+        $pageCurrent = isset($_REQUEST['pageCurrent']) ? intval($_GET['pageCurrent']) : 1;
+        $pageLength = isset($_REQUEST['pageLength']) ? intval($_GET['pageLength']) : CoursesAndSessionsCatalog::PAGE_LENGTH;
+
+        return [
+            'start' => ($pageCurrent - 1) * $pageLength,
+            'current' => $pageCurrent,
+            'length' => $pageLength,
+        ];
+    }
+
     /**
      * Get the formatted data for sessions block to be displayed on Session Catalog page.
      *
@@ -960,19 +974,4 @@ class CoursesController
 
         return $sessionsBlocks;
     }
-
-    /**
-     * @return array
-     */
-    public static function getLimitArray()
-    {
-        $pageCurrent = isset($_REQUEST['pageCurrent']) ? intval($_GET['pageCurrent']) : 1;
-        $pageLength = isset($_REQUEST['pageLength']) ? intval($_GET['pageLength']) : CoursesAndSessionsCatalog::PAGE_LENGTH;
-
-        return [
-            'start' => ($pageCurrent - 1) * $pageLength,
-            'current' => $pageCurrent,
-            'length' => $pageLength,
-        ];
-    }
 }
diff --git a/main/inc/lib/CoursesAndSessionsCatalog.class.php b/main/inc/lib/CoursesAndSessionsCatalog.class.php
index 1cc2294279..0de13f81d2 100644
--- a/main/inc/lib/CoursesAndSessionsCatalog.class.php
+++ b/main/inc/lib/CoursesAndSessionsCatalog.class.php
@@ -1,8 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
-use Doctrine\Common\Collections\Criteria;
 use Chamilo\CoreBundle\Entity\ExtraField;
+use Doctrine\Common\Collections\Criteria;
 use Doctrine\ORM\Query\Expr\Join;
 
 /**
@@ -205,7 +205,6 @@ class CoursesAndSessionsCatalog
         return $categories;
     }
 
-
     /**
      * Return LIMIT to filter SQL query.
      *
diff --git a/main/inc/lib/course_category.lib.php b/main/inc/lib/course_category.lib.php
index d2c076973d..848c942c22 100755
--- a/main/inc/lib/course_category.lib.php
+++ b/main/inc/lib/course_category.lib.php
@@ -573,7 +573,6 @@ class CourseCategory
         return $categories;
     }
 
-
     /**
      * @param string $category_code
      * @param string $searchTerm
@@ -628,8 +627,6 @@ class CourseCategory
         return Database::num_rows(Database::query($sql));
     }
 
-
-
     /**
      * create recursively all categories as option of the select passed in parameter.
      *
diff --git a/plugin/buycourses/src/buy_course_plugin.class.php b/plugin/buycourses/src/buy_course_plugin.class.php
index bb1bc9bcd4..6130758b70 100644
--- a/plugin/buycourses/src/buy_course_plugin.class.php
+++ b/plugin/buycourses/src/buy_course_plugin.class.php
@@ -2382,7 +2382,6 @@ class BuyCoursesPlugin extends Plugin
     private function filterSessionList($name = null, $min = 0, $max = 0)
     {
         if (empty($name) && empty($min) && empty($max)) {
-
             return CoursesAndSessionsCatalog::browseSessions();
         }
 
diff --git a/src/Chamilo/CourseBundle/Component/CourseCopy/CourseBuilder.php b/src/Chamilo/CourseBundle/Component/CourseCopy/CourseBuilder.php
index 9d2a12b153..c2b46e7934 100644
--- a/src/Chamilo/CourseBundle/Component/CourseCopy/CourseBuilder.php
+++ b/src/Chamilo/CourseBundle/Component/CourseCopy/CourseBuilder.php
@@ -1249,7 +1249,7 @@ class CourseBuilder
      * @param int   $courseId        Internal course ID
      * @param bool  $withBaseContent Whether to include content from the course without session or not
      * @param array $id_list         If you want to restrict the structure to only the given IDs
-     * @param bool $addScormFolder
+     * @param bool  $addScormFolder
      */
     public function build_learnpaths(
         $session_id = 0,