chamilo / chamilo-lms

main/inc/lib/course.lib.php

Doc Comments +34 added lines, -20 removed lines

@@ -716,7 +716,7 @@ 
      * @param  int $status (optional) The user's status in the course
      * @param  int The user category in which this subscription will be classified
      *
-     * @return boolean true if subscription succeeds, boolean false otherwise.
+     * @return false|string true if subscription succeeds, boolean false otherwise.
      * @assert ('', '') === false
      */
     public static function add_user_to_course($user_id, $courseCode, $status = STUDENT, $userCourseCategoryId = 0)
@@ -788,7 +788,7 @@ 
      *    Checks wether a parameter exists.
      *    If it doesn't, the function displays an error message.
      *
-     * @return true if parameter is set and not empty, false otherwise
+     * @return boolean if parameter is set and not empty, false otherwise
      * @todo move function to better place, main_api ?
      */
     public static function check_parameter($parameter, $error_message)
@@ -812,7 +812,7 @@ 
     }
 
     /**
-     * @return true if there already are one or more courses
+     * @return boolean if there already are one or more courses
      *  with the same code OR visual_code (visualcode), false otherwise
      */
     public static function course_code_exists($wanted_course_code)
@@ -985,7 +985,7 @@ 
     /**
      * @param int $userId
      * @param array $courseInfo
-     * @return bool
+     * @return boolean|null
      */
     public static function isUserSubscribedInCourseAsDrh($userId, $courseInfo)
     {
@@ -1091,10 +1091,10 @@ 
     /**
      *    Is the user a teacher in the given course?
      *
-     * @param $user_id , the id (int) of the user
+     * @param integer $user_id , the id (int) of the user
      * @param $course_code , the course code
      *
-     * @return true if the user is a teacher in the course, false otherwise
+     * @return boolean if the user is a teacher in the course, false otherwise
      */
     public static function is_course_teacher($user_id, $course_code)
     {
@@ -1123,7 +1123,7 @@ 
      * @param int the id of the user
      * @param int $courseId
      * @deprecated linked_courses definition doesn't exists
-     * @return true if the user is registered in the real course or linked courses, false otherwise
+     * @return boolean if the user is registered in the real course or linked courses, false otherwise
      */
     public static function is_user_subscribed_in_real_or_linked_course($user_id, $courseId, $session_id = '')
     {
@@ -1194,9 +1194,9 @@ 
      * @param string $order_by the field to order the users by.
      * Valid values are 'lastname', 'firstname', 'username', 'email', 'official_code' OR a part of a SQL statement
      * that starts with ORDER BY ...
-     * @param null $filter_by_status if using the session_id: 0 or 2 (student, coach),
+     * @param integer|null $filter_by_status if using the session_id: 0 or 2 (student, coach),
      * if using session_id = 0 STUDENT or COURSEMANAGER
-     * @param null $return_count
+     * @param boolean|null $return_count
      * @param bool $add_reports
      * @param bool $resumed_report
      * @param array $extra_field
@@ -1943,7 +1943,7 @@ 
      * @param int $courseId
      * @param string $separator
      * @param bool $add_link_to_profile
-     * @return null|string
+     * @return string
      */
     public static function get_coachs_from_course_to_string(
         $session_id = 0,
@@ -2016,7 +2016,7 @@ 
      * Get the list of groups from the course
      * @param   string $course_code
      * @param   int $session_id Session ID (optional)
-     * @param   boolean $in_get_empty_group get empty groups (optional)
+     * @param   integer $in_get_empty_group get empty groups (optional)
      * @return  array   List of groups info
      */
     public static function get_group_list_of_course($course_code, $session_id = 0, $in_get_empty_group = 0)
@@ -2072,6 +2072,7 @@ 
      * course.
      *
      * @param string The code of the course to delete
+     * @param string $code
      * @todo When deleting a virtual course: unsubscribe users from that virtual
      * course from the groups in the real course if they are not subscribed in
      * that real course.
@@ -2283,6 +2284,7 @@ 
      * Sort courses for a specific user ??
      * @param   int     User ID
      * @param   string  Course code
+     * @param integer $user_id
      * @return  int     Minimum course order
      * @todo Review documentation
      */
@@ -2360,7 +2362,7 @@ 
      * check if course exists
      * @param string course_code
      * @param string whether to accept virtual course codes or not
-     * @return true if exists, false else
+     * @return integer if exists, false else
      */
     public static function course_exists($course_code, $accept_virtual = false)
     {
@@ -2379,9 +2381,9 @@ 
      * Send an email to tutor after the auth-suscription of a student in your course
      * @author Carlos Vargas <carlos.vargas@dokeos.com>, Dokeos Latino
      * @param  int $user_id the id of the user
-     * @param  string $course_code the course code
+     * @param  string $courseId the course code
      * @param  bool $send_to_tutor_also
-     * @return string we return the message that is displayed when the action is successful
+     * @return false|null we return the message that is displayed when the action is successful
      */
     public static function email_to_tutor($user_id, $courseId, $send_to_tutor_also = false)
     {
@@ -2624,6 +2626,7 @@ 
     /**
      * Get emails of tutors to course
      * @param string Visual code
+     * @param integer $courseId
      * @return array List of emails of tutors to course
      * @author @author Carlos Vargas <carlos.vargas@dokeos.com>, Dokeos Latino
      * */
@@ -2647,6 +2650,7 @@ 
      * Get coaches emails by session
      * @param int session id
      * @param int $courseId
+     * @param integer $session_id
      * @return array  array(email => name_tutor)  by coach
      * @author Carlos Vargas <carlos.vargas@dokeos.com>
      */
@@ -2695,7 +2699,9 @@ 
      * @param    string    Field's internal variable name
      * @param    int        Field's type
      * @param    string    Field's language var name
-     * @return int     new extra field id
+     * @param integer $fieldType
+     * @param string $default
+     * @return boolean     new extra field id
      */
     public static function create_course_extra_field($variable, $fieldType, $displayText, $default)
     {
@@ -2717,7 +2723,7 @@ 
      * @param int Course id
      * @param string Attribute name
      * @param string Attribute value
-     * @return bool True if attribute was successfully updated,
+     * @return Doctrine\DBAL\Driver\Statement|null True if attribute was successfully updated,
      * false if course was not found or attribute name is invalid
      */
     public static function update_attribute($id, $name, $value)
@@ -2735,7 +2741,7 @@ 
      *
      * @param int Course id
      * @param array Associative array with field names as keys and field values as values
-     * @return bool True if update was successful, false otherwise
+     * @return Doctrine\DBAL\Driver\Statement|null True if update was successful, false otherwise
      */
     public static function update_attributes($id, $attributes)
     {
@@ -2761,7 +2767,7 @@ 
      * @param    integer    Course ID
      * @param    string    Field variable name
      * @param    string    Field value
-     * @return    boolean    true if field updated, false otherwise
+     * @return    boolean|null    true if field updated, false otherwise
      */
     public static function update_course_extra_field_value($course_code, $variable, $value = '')
     {
@@ -3483,6 +3489,7 @@ 
      * @uses displayCoursesInCategory() to display the courses themselves
      * @param int        user id
      * @param bool      Whether to show the document quick-loader or not
+     * @param integer $user_id
      * @return string
      */
     public static function display_courses($user_id, $load_dirs = false)
@@ -4057,6 +4064,8 @@ 
      * @param     int        source session id
      * @param    string    destination course code
      * @param     int        destination session id
+     * @param integer $source_session_id
+     * @param integer $destination_session_id
      * @return  bool
      */
     public static function copy_course(
@@ -4091,6 +4100,7 @@ 
      * @param     int        source session id
      * @param     int        destination session id
      * @param    bool    new copied tools (Exercises and LPs)will be set to invisible by default?
+     * @param string $new_title
      *
      * @return     array
      */
@@ -4344,6 +4354,7 @@ 
      * @param int   course id
      * @param int   session id
      * @param id    url id
+     * @param integer $session_id
      * @return array
      **/
     public static function update_course_ranking(
@@ -4426,7 +4437,7 @@ 
      * @param   int course id
      * @param   int session id
      * @param   int url id (access_url_id)
-     * @return    mixed 'added', 'updated' or 'nothing'
+     * @return    false|string 'added', 'updated' or 'nothing'
      */
     public static function add_course_vote($user_id, $vote, $course_id, $session_id = null, $url_id = null)
     {
@@ -4681,6 +4692,7 @@ 
      * Get courses count
      * @param int Access URL ID (optional)
      * @param int $visibility
+     * @param integer $access_url_id
      *
      * @return int Number of courses
      */
@@ -4737,6 +4749,7 @@ 
     /**
      * Get available le courses count
      * @param int Access URL ID (optional)
+     * @param integer $accessUrlId
      * @return int Number of courses
      */
     public static function countAvailableCourses($accessUrlId = null)
@@ -4781,6 +4794,7 @@ 
      * @param int User ID
      * @param array Course details array
      * @param array  List of courses to which the user is subscribed (if not provided, will be generated)
+     * @param integer $uid
      * @return mixed 'enter' for a link to go to the course or 'register' for a link to subscribe, or false if no access
      */
     static function get_access_link_by_user($uid, $course, $user_courses = array())
@@ -4851,7 +4865,7 @@ 
      * @param bool $deleteTeachersNotInList
      * @param bool $editTeacherInSessions
      * @param bool $deleteSessionTeacherNotInList
-     * @return bool
+     * @return false|null
      */
     public static function updateTeachers(
         $courseId,

Indentation +2 added lines, -2 removed lines

@@ -1679,7 +1679,7 @@ 
 
         // We get the coach for the given course in a given session.
         $sql = 'SELECT user_id FROM ' . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) .
-               ' WHERE session_id ="' . $session_id . '" AND c_id="' . $courseId . '" AND status = 2';
+                ' WHERE session_id ="' . $session_id . '" AND c_id="' . $courseId . '" AND status = 2';
         $rs = Database::query($sql);
         while ($user = Database::fetch_array($rs)) {
             $user_info = api_get_user_info($user['user_id']);
@@ -3972,7 +3972,7 @@ 
         }
 
         $session_title .= isset($course['special_course']) ? ' ' .
-                          Display::return_icon('klipper.png', get_lang('CourseAutoRegister')) : '';
+                            Display::return_icon('klipper.png', get_lang('CourseAutoRegister')) : '';
 
         $params['title'] = $session_title;
         $params['extra'] = '';

Spacing +327 added lines, -328 removed lines

@@ -128,9 +128,9 @@ 
                     $template = api_get_setting('course_creation_use_template');
                     if (!empty($template)) {
                         // Include the necessary libraries to generate a course copy
-                        require_once api_get_path(SYS_CODE_PATH) . 'coursecopy/classes/CourseBuilder.class.php';
-                        require_once api_get_path(SYS_CODE_PATH) . 'coursecopy/classes/CourseRestorer.class.php';
-                        require_once api_get_path(SYS_CODE_PATH) . 'coursecopy/classes/CourseSelectForm.class.php';
+                        require_once api_get_path(SYS_CODE_PATH).'coursecopy/classes/CourseBuilder.class.php';
+                        require_once api_get_path(SYS_CODE_PATH).'coursecopy/classes/CourseRestorer.class.php';
+                        require_once api_get_path(SYS_CODE_PATH).'coursecopy/classes/CourseSelectForm.class.php';
                         // Call the course copy object
                         $originCourse = api_get_course_info_by_id($template);
                         $originCourse['official_code'] = $originCourse['code'];
@@ -166,8 +166,8 @@ 
     {
         return Database::fetch_array(
             Database::query(
-                "SELECT *, id as real_id FROM " . Database::get_main_table(TABLE_MAIN_COURSE) . "
-                WHERE code='" . Database::escape_string($course_code) . "'"), 'ASSOC'
+                "SELECT *, id as real_id FROM ".Database::get_main_table(TABLE_MAIN_COURSE)."
+                WHERE code='" . Database::escape_string($course_code)."'"), 'ASSOC'
         );
     }
 
@@ -195,7 +195,7 @@ 
         $alsoSearchCode = false,
         $conditionsLike = array()
     ) {
-        $sql = "SELECT course.* FROM " . Database::get_main_table(TABLE_MAIN_COURSE) . " course ";
+        $sql = "SELECT course.* FROM ".Database::get_main_table(TABLE_MAIN_COURSE)." course ";
 
         if (!empty($urlId)) {
             $table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
@@ -203,9 +203,9 @@ 
         }
 
         if (!empty($startwith)) {
-            $sql .= "WHERE (title LIKE '" . Database::escape_string($startwith) . "%' ";
+            $sql .= "WHERE (title LIKE '".Database::escape_string($startwith)."%' ";
             if ($alsoSearchCode) {
-                $sql .= "OR code LIKE '" . Database::escape_string($startwith) . "%' ";
+                $sql .= "OR code LIKE '".Database::escape_string($startwith)."%' ";
             }
             $sql .= ') ';
             if ($visibility !== -1 && $visibility == strval(intval($visibility))) {
@@ -239,19 +239,19 @@ 
                 $value = Database::escape_string($value);
                 $simple_like = false;
                 if ($simple_like) {
-                    $temp_conditions[] = $field . " LIKE '$value%'";
+                    $temp_conditions[] = $field." LIKE '$value%'";
                 } else {
-                    $temp_conditions[] = $field . ' LIKE \'%' . $value . '%\'';
+                    $temp_conditions[] = $field.' LIKE \'%'.$value.'%\'';
                 }
             }
             $condition = ' AND ';
             if (!empty($temp_conditions)) {
-                $sql .= implode(' ' . $condition . ' ', $temp_conditions);
+                $sql .= implode(' '.$condition.' ', $temp_conditions);
             }
         }
 
         if (!empty($orderby)) {
-            $sql .= " ORDER BY " . Database::escape_string($orderby) . " ";
+            $sql .= " ORDER BY ".Database::escape_string($orderby)." ";
         } else {
             $sql .= " ORDER BY 1 ";
         }
@@ -263,13 +263,13 @@ 
         }
 
         if (!empty($howmany) && is_int($howmany) and $howmany > 0) {
-            $sql .= ' LIMIT ' . Database::escape_string($howmany);
+            $sql .= ' LIMIT '.Database::escape_string($howmany);
         } else {
             $sql .= ' LIMIT 1000000'; //virtually no limit
         }
         if (!empty($from)) {
             $from = intval($from);
-            $sql .= ' OFFSET ' . intval($from);
+            $sql .= ' OFFSET '.intval($from);
         } else {
             $sql .= ' OFFSET 0';
         }
@@ -293,8 +293,8 @@ 
         return Database::fetch_array(
             Database::query(
                 "SELECT visibility, subscribe, unsubscribe
-                FROM " . Database::get_main_table(TABLE_MAIN_COURSE) . "
-                WHERE code = '" . Database::escape_string($course_code) . "'"
+                FROM " . Database::get_main_table(TABLE_MAIN_COURSE)."
+                WHERE code = '" . Database::escape_string($course_code)."'"
             )
         );
     }
@@ -312,10 +312,10 @@ 
         $courseId = $courseInfo['real_id'];
         $result = Database::fetch_array(
             Database::query(
-                "SELECT status FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . "
+                "SELECT status FROM ".Database::get_main_table(TABLE_MAIN_COURSE_USER)."
                 WHERE
                     c_id  = $courseId AND
-                    user_id = " . intval($user_id)
+                    user_id = ".intval($user_id)
             )
         );
 
@@ -333,9 +333,9 @@ 
 
         $result = Database::fetch_array(
             Database::query("
-                SELECT * FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . "
+                SELECT * FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER)."
                 WHERE
-                    c_id  = '" . intval($courseId). "' AND
+                    c_id  = '" . intval($courseId)."' AND
                     user_id = " . intval($userId)
             )
         );
@@ -382,9 +382,9 @@ 
         $result = Database::fetch_array(
             Database::query("
                 SELECT is_tutor
-                FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . "
+                FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER)."
                 WHERE
-                    course_code = '" . Database::escape_string($course_code) . "' AND
+                    course_code = '" . Database::escape_string($course_code)."' AND
                     user_id = " . intval($user_id)
             )
         );
@@ -437,17 +437,17 @@ 
         $course_id = $course_info['real_id'];
 
         // Unsubscribe user from all groups in the course.
-        $sql = "DELETE FROM " . Database::get_course_table(TABLE_GROUP_USER) . "
-                WHERE c_id = $course_id AND user_id IN (" . $user_ids . ")";
+        $sql = "DELETE FROM ".Database::get_course_table(TABLE_GROUP_USER)."
+                WHERE c_id = $course_id AND user_id IN (".$user_ids.")";
         Database::query($sql);
-        $sql = "DELETE FROM " . Database::get_course_table(TABLE_GROUP_TUTOR) . "
-                WHERE c_id = $course_id AND user_id IN (" . $user_ids . ")";
+        $sql = "DELETE FROM ".Database::get_course_table(TABLE_GROUP_TUTOR)."
+                WHERE c_id = $course_id AND user_id IN (".$user_ids.")";
         Database::query($sql);
 
         // Erase user student publications (works) in the course - by André Boivin
 
         if (!empty($user_list)) {
-            require_once api_get_path(SYS_CODE_PATH) . 'work/work.lib.php';
+            require_once api_get_path(SYS_CODE_PATH).'work/work.lib.php';
             foreach ($user_list as $userId) {
                 // Getting all work from user
                 $workList = getWorkPerUser($userId);
@@ -466,74 +466,74 @@ 
         }
 
         // Unsubscribe user from all blogs in the course.
-        Database::query("DELETE FROM " . Database::get_course_table(TABLE_BLOGS_REL_USER) . " WHERE c_id = $course_id AND  user_id IN (" . $user_ids . ")");
-        Database::query("DELETE FROM " . Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER) . " WHERE c_id = $course_id AND  user_id IN (" . $user_ids . ")");
+        Database::query("DELETE FROM ".Database::get_course_table(TABLE_BLOGS_REL_USER)." WHERE c_id = $course_id AND  user_id IN (".$user_ids.")");
+        Database::query("DELETE FROM ".Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER)." WHERE c_id = $course_id AND  user_id IN (".$user_ids.")");
 
         // Deleting users in forum_notification and mailqueue course tables
-        $sql = "DELETE FROM  " . Database::get_course_table(TABLE_FORUM_NOTIFICATION) . "
-                WHERE c_id = $course_id AND user_id IN (" . $user_ids . ")";
+        $sql = "DELETE FROM  ".Database::get_course_table(TABLE_FORUM_NOTIFICATION)."
+                WHERE c_id = $course_id AND user_id IN (".$user_ids.")";
         Database::query($sql);
 
-        $sql = "DELETE FROM " . Database::get_course_table(TABLE_FORUM_MAIL_QUEUE) . "
-                WHERE c_id = $course_id AND user_id IN (" . $user_ids . ")";
+        $sql = "DELETE FROM ".Database::get_course_table(TABLE_FORUM_MAIL_QUEUE)."
+                WHERE c_id = $course_id AND user_id IN (".$user_ids.")";
         Database::query($sql);
 
         // Unsubscribe user from the course.
         if (!empty($session_id)) {
 
             // Delete in table session_rel_course_rel_user
-            $sql = "DELETE FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) . "
+            $sql = "DELETE FROM ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)."
                     WHERE
-                        session_id ='" . $session_id . "' AND
-                        c_id = '" . $course_id . "' AND
+                        session_id ='" . $session_id."' AND
+                        c_id = '" . $course_id."' AND
                         user_id IN ($user_ids)";
             Database::query($sql);
 
             foreach ($user_list as $uid) {
                 // check if a user is register in the session with other course
-                $sql = "SELECT user_id FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) . "
+                $sql = "SELECT user_id FROM ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)."
                         WHERE session_id='$session_id' AND user_id='$uid'";
                 $rs = Database::query($sql);
 
                 if (Database::num_rows($rs) == 0) {
                     // Delete in table session_rel_user
-                    $sql = "DELETE FROM " . Database::get_main_table(TABLE_MAIN_SESSION_USER) . "
+                    $sql = "DELETE FROM ".Database::get_main_table(TABLE_MAIN_SESSION_USER)."
                             WHERE
-                                session_id ='" . $session_id . "' AND
+                                session_id ='" . $session_id."' AND
                                 user_id = '$uid' AND
-                                relation_type<>" . SESSION_RELATION_TYPE_RRHH . "";
+                                relation_type<>".SESSION_RELATION_TYPE_RRHH."";
                     Database::query($sql);
                 }
             }
 
             // Update the table session
-            $sql = "SELECT COUNT(*) FROM " . Database::get_main_table(TABLE_MAIN_SESSION_USER) . "
-                    WHERE session_id = '" . $session_id . "' AND relation_type <> " . SESSION_RELATION_TYPE_RRHH;
+            $sql = "SELECT COUNT(*) FROM ".Database::get_main_table(TABLE_MAIN_SESSION_USER)."
+                    WHERE session_id = '" . $session_id."' AND relation_type <> ".SESSION_RELATION_TYPE_RRHH;
             $row = Database::fetch_array(Database::query($sql));
             $count = $row[0];
             // number of users by session
-            $sql = "UPDATE " . Database::get_main_table(TABLE_MAIN_SESSION) . " SET nbr_users = '$count'
-                    WHERE id = '" . $session_id . "'";
+            $sql = "UPDATE ".Database::get_main_table(TABLE_MAIN_SESSION)." SET nbr_users = '$count'
+                    WHERE id = '".$session_id."'";
             Database::query($sql);
 
             // Update the table session_rel_course
-            $sql = "SELECT COUNT(*) FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) . "
+            $sql = "SELECT COUNT(*) FROM ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)."
                     WHERE session_id = '$session_id' AND c_id = '$course_id' AND status<>2";
             $row = Database::fetch_array(@Database::query($sql));
             $count = $row[0];
 
             // number of users by session and course
-            $sql = "UPDATE " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE) . "
+            $sql = "UPDATE ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE)."
                     SET nbr_users = '$count'
                     WHERE session_id = '$session_id' AND c_id = '$course_id'";
             Database::query($sql);
 
         } else {
-            $sql = "DELETE FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . "
+            $sql = "DELETE FROM ".Database::get_main_table(TABLE_MAIN_COURSE_USER)."
                     WHERE
-                        user_id IN (" . $user_ids . ") AND
-                        relation_type<>" . COURSE_RELATION_TYPE_RRHH . " AND
-                        c_id = '" . $course_id . "'";
+                        user_id IN (" . $user_ids.") AND
+                        relation_type<>" . COURSE_RELATION_TYPE_RRHH." AND
+                        c_id = '" . $course_id."'";
             Database::query($sql);
 
             // add event to system log
@@ -603,7 +603,7 @@ 
 
         // A preliminary check whether the user has bben already registered on the platform.
         if (Database::num_rows(Database::query(
-                "SELECT status FROM " . Database::get_main_table(TABLE_MAIN_USER) . "
+                "SELECT status FROM ".Database::get_main_table(TABLE_MAIN_USER)."
                 WHERE user_id = '$user_id' ")) == 0
         ) {
             return false; // The user has not been registered to the platform.
@@ -613,8 +613,8 @@ 
 
         if (empty($session_id)) {
             if (Database::num_rows(Database::query("
-                    SELECT * FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . "
-                    WHERE user_id = '$user_id' AND relation_type<>" . COURSE_RELATION_TYPE_RRHH . " AND c_id = '$courseId'")) > 0
+                    SELECT * FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER)."
+                    WHERE user_id = '$user_id' AND relation_type<>".COURSE_RELATION_TYPE_RRHH." AND c_id = '$courseId'")) > 0
             ) {
                 // The user has been already subscribed to the course.
                 return false;
@@ -736,7 +736,7 @@ 
         $courseId = $courseInfo['real_id'];
 
         // Check in advance whether the user has already been registered on the platform.
-        $sql = "SELECT status FROM " . $user_table . " WHERE user_id = $user_id ";
+        $sql = "SELECT status FROM ".$user_table." WHERE user_id = $user_id ";
         if (Database::num_rows(Database::query($sql)) == 0) {
             if ($debug) {
                 error_log('The user has not been registered to the platform');
@@ -748,7 +748,7 @@ 
         $sql = "SELECT * FROM $course_user_table
                 WHERE
                     user_id = $user_id AND
-                    relation_type <> " . COURSE_RELATION_TYPE_RRHH . " AND
+                    relation_type <> ".COURSE_RELATION_TYPE_RRHH." AND
                     c_id = $courseId";
         if (Database::num_rows(Database::query($sql)) > 0) {
             if ($debug) {
@@ -760,7 +760,7 @@ 
         if (!api_is_course_admin()) {
             // Check in advance whether subscription is allowed or not for this course.
             $sql = "SELECT code, visibility FROM $course_table
-                    WHERE id = $courseId AND subscribe = '" . SUBSCRIBE_NOT_ALLOWED . "'";
+                    WHERE id = $courseId AND subscribe = '".SUBSCRIBE_NOT_ALLOWED."'";
             if (Database::num_rows(Database::query($sql)) > 0) {
                 if ($debug) {
                     error_log('Subscription is not allowed for this course');
@@ -819,7 +819,7 @@ 
     {
         $wanted_course_code = Database::escape_string($wanted_course_code);
         $sql = "SELECT COUNT(*) as number
-                FROM " . Database::get_main_table(TABLE_MAIN_COURSE) . "
+                FROM " . Database::get_main_table(TABLE_MAIN_COURSE)."
                 WHERE code = '$wanted_course_code' OR visual_code = '$wanted_course_code'";
         $result = Database::fetch_array(Database::query($sql));
 
@@ -1005,7 +1005,7 @@ 
         $sql = "SELECT * FROM $table
                 WHERE
                     user_id = $userId AND
-                    relation_type = " . COURSE_RELATION_TYPE_RRHH . " AND
+                    relation_type = ".COURSE_RELATION_TYPE_RRHH." AND
                     c_id = $courseId";
 
         $result = Database::fetch_array(Database::query($sql));
@@ -1044,13 +1044,13 @@ 
                 return false;
             }
             $courseId = $courseInfo['real_id'];
-            $condition_course = ' AND c_id = ' . $courseId;
+            $condition_course = ' AND c_id = '.$courseId;
         }
 
-        $sql = "SELECT * FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . "
+        $sql = "SELECT * FROM ".Database::get_main_table(TABLE_MAIN_COURSE_USER)."
                 WHERE
                     user_id = $user_id AND
-                    relation_type<>" . COURSE_RELATION_TYPE_RRHH . "
+                    relation_type<>".COURSE_RELATION_TYPE_RRHH."
                     $condition_course ";
 
         $result = Database::fetch_array(Database::query($sql));
@@ -1066,20 +1066,20 @@ 
         }
 
         $tableSessionCourseUser = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
-        $sql = 'SELECT 1 FROM ' . $tableSessionCourseUser .
-            ' WHERE user_id = ' . $user_id . ' ' . $condition_course;
+        $sql = 'SELECT 1 FROM '.$tableSessionCourseUser.
+            ' WHERE user_id = '.$user_id.' '.$condition_course;
         if (Database::num_rows(Database::query($sql)) > 0) {
             return true;
         }
 
-        $sql = 'SELECT 1 FROM ' . $tableSessionCourseUser .
-            ' WHERE user_id = ' . $user_id . ' AND status=2 ' . $condition_course;
+        $sql = 'SELECT 1 FROM '.$tableSessionCourseUser.
+            ' WHERE user_id = '.$user_id.' AND status=2 '.$condition_course;
         if (Database::num_rows(Database::query($sql)) > 0) {
             return true;
         }
 
-        $sql = 'SELECT 1 FROM ' . Database::get_main_table(TABLE_MAIN_SESSION) .
-            ' WHERE id = ' . $session_id . ' AND id_coach=' . $user_id;
+        $sql = 'SELECT 1 FROM '.Database::get_main_table(TABLE_MAIN_SESSION).
+            ' WHERE id = '.$session_id.' AND id_coach='.$user_id;
 
         if (Database::num_rows(Database::query($sql)) > 0) {
             return true;
@@ -1106,8 +1106,8 @@ 
         $courseId = $courseInfo['real_id'];
 
         $result = Database::query(
-            'SELECT status FROM ' . Database::get_main_table(TABLE_MAIN_COURSE_USER) .
-            ' WHERE c_id = ' . $courseId . ' AND user_id = ' . $user_id . ''
+            'SELECT status FROM '.Database::get_main_table(TABLE_MAIN_COURSE_USER).
+            ' WHERE c_id = '.$courseId.' AND user_id = '.$user_id.''
         );
 
         if (Database::num_rows($result) > 0) {
@@ -1137,12 +1137,12 @@ 
             $result = Database::fetch_array(
                 Database::query(
                     "SELECT *
-                    FROM " . Database::get_main_table(TABLE_MAIN_COURSE) . " course
-                    LEFT JOIN " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . " course_user
+                    FROM " . Database::get_main_table(TABLE_MAIN_COURSE)." course
+                    LEFT JOIN " . Database::get_main_table(TABLE_MAIN_COURSE_USER)." course_user
                     ON course.id = course_user.c_id
                     WHERE
                         course_user.user_id = '$user_id' AND
-                        course_user.relation_type<>" . COURSE_RELATION_TYPE_RRHH . " AND
+                        course_user.relation_type<>".COURSE_RELATION_TYPE_RRHH." AND
                         ( course.id = '$courseId')"
                 )
             );
@@ -1156,8 +1156,8 @@ 
 
         // A user?
         if (Database::num_rows(Database::query("SELECT user_id
-                FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) . "
-                WHERE session_id='" . $session_id . "'
+                FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)."
+                WHERE session_id='" . $session_id."'
                 AND user_id ='$user_id'"))
         ) {
             return true;
@@ -1165,8 +1165,8 @@ 
 
         // A course coach?
         if (Database::num_rows(Database::query("SELECT user_id
-                FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) . "
-                WHERE session_id='" . $session_id . "'
+                FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)."
+                WHERE session_id='" . $session_id."'
                 AND user_id = '$user_id' AND status = 2
                 AND c_id ='$courseId'"))
         ) {
@@ -1175,8 +1175,8 @@ 
 
         // A session coach?
         if (Database::num_rows(Database::query("SELECT id_coach
-                FROM " . Database::get_main_table(TABLE_MAIN_SESSION) . " AS session
-                WHERE session.id='" . $session_id . "'
+                FROM " . Database::get_main_table(TABLE_MAIN_SESSION)." AS session
+                WHERE session.id='" . $session_id."'
                 AND id_coach='$user_id'"))
         ) {
             return true;
@@ -1244,7 +1244,7 @@ 
         // we have to check if it is a valid field that can be sorted on
         if (!strstr($order_by, 'ORDER BY')) {
             if (!empty($order_by)) {
-                $order_by = 'ORDER BY ' . $order_by;
+                $order_by = 'ORDER BY '.$order_by;
             } else {
                 $order_by = '';
             }
@@ -1276,11 +1276,11 @@ 
             if (!empty($courseCodeList)) {
                 $courseCodeListForSession = array_map(array('Database', 'escape_string'), $courseCodeList);
                 $courseCodeListForSession = implode('","', $courseCodeListForSession);
-                $courseCondition = ' course.code IN ("' . $courseCodeListForSession . '")  ';
+                $courseCondition = ' course.code IN ("'.$courseCodeListForSession.'")  ';
             }
 
-            $sql .= ' FROM ' . Database::get_main_table(TABLE_MAIN_USER) . ' as user ';
-            $sql .= " LEFT JOIN ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) . " as session_course_user
+            $sql .= ' FROM '.Database::get_main_table(TABLE_MAIN_USER).' as user ';
+            $sql .= " LEFT JOIN ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)." as session_course_user
                       ON
                         user.user_id = session_course_user.user_id AND
                         $sessionCondition
@@ -1322,14 +1322,14 @@ 
                 }
             }
 
-            $sql .= ' FROM ' . Database::get_main_table(TABLE_MAIN_USER) . ' as user ';
-            $sql .= ' LEFT JOIN ' . Database::get_main_table(TABLE_MAIN_COURSE_USER) . ' as course_rel_user
+            $sql .= ' FROM '.Database::get_main_table(TABLE_MAIN_USER).' as user ';
+            $sql .= ' LEFT JOIN '.Database::get_main_table(TABLE_MAIN_COURSE_USER).' as course_rel_user
                         ON user.user_id = course_rel_user.user_id AND
-                        course_rel_user.relation_type <> ' . COURSE_RELATION_TYPE_RRHH . '  ';
+                        course_rel_user.relation_type <> ' . COURSE_RELATION_TYPE_RRHH.'  ';
             $sql .= " INNER JOIN $course_table course ON course_rel_user.c_id = course.id ";
 
             if (!empty($course_code)) {
-                $sql .= ' AND course_rel_user.c_id="' . $courseId . '"';
+                $sql .= ' AND course_rel_user.c_id="'.$courseId.'"';
             }
             $where[] = ' course_rel_user.c_id IS NOT NULL ';
 
@@ -1341,7 +1341,7 @@ 
 
         $multiple_access_url = api_get_multiple_access_url();
         if ($multiple_access_url) {
-            $sql .= ' LEFT JOIN ' . Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER) . ' au
+            $sql .= ' LEFT JOIN '.Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER).' au
                       ON (au.user_id = user.user_id) ';
         }
 
@@ -1361,7 +1361,7 @@ 
             }
         }
 
-        $sql .= ' WHERE ' . $filter_by_status_condition . ' ' . implode(' OR ', $where);
+        $sql .= ' WHERE '.$filter_by_status_condition.' '.implode(' OR ', $where);
 
         if ($multiple_access_url) {
             $current_access_url_id = api_get_current_access_url_id();
@@ -1383,15 +1383,15 @@ 
         if (!empty($userIdList)) {
             $userIdList = array_map('intval', $userIdList);
             $userIdList = implode('","', $userIdList);
-            $sql .= ' AND user.user_id IN ("' . $userIdList . '")';
+            $sql .= ' AND user.user_id IN ("'.$userIdList.'")';
         }
 
         if (isset($filterByActive)) {
             $filterByActive = intval($filterByActive);
-            $sql .= ' AND user.active = ' . $filterByActive;
+            $sql .= ' AND user.active = '.$filterByActive;
         }
 
-        $sql .= ' ' . $order_by . ' ' . $limit;
+        $sql .= ' '.$order_by.' '.$limit;
 
         $rs = Database::query($sql);
         $users = array();
@@ -1548,7 +1548,7 @@ 
                             )
                         );
                         $report_info['progress_100'] = $progress == 100 ? Display::label(get_lang('Yes'), 'success') : Display::label(get_lang('No'));
-                        $report_info['progress'] = $progress . "%";
+                        $report_info['progress'] = $progress."%";
 
                         foreach ($extra_fields as $extra) {
                             $user_data = UserManager::get_extra_user_data_by_field($user['user_id'], $extra['1']);
@@ -1617,32 +1617,32 @@ 
         $courseInfo = api_get_course_info($course_code);
         $courseId = $courseInfo['real_id'];
 
-        $sql = 'SELECT DISTINCT count(*) as count  FROM ' . Database::get_main_table(TABLE_MAIN_USER) . ' as user ';
+        $sql = 'SELECT DISTINCT count(*) as count  FROM '.Database::get_main_table(TABLE_MAIN_USER).' as user ';
         $where = array();
         if (!empty($session_id)) {
-            $sql .= ' LEFT JOIN ' . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) . ' as session_course_user
+            $sql .= ' LEFT JOIN '.Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER).' as session_course_user
                       ON
                         user.user_id = session_course_user.user_id AND
-                        session_course_user.c_id = "' . $courseId . '" AND
+                        session_course_user.c_id = "' . $courseId.'" AND
                         session_course_user.session_id  = ' . $session_id;
 
             $where[] = ' session_course_user.c_id IS NOT NULL ';
         } else {
-            $sql .= ' LEFT JOIN ' . Database::get_main_table(TABLE_MAIN_COURSE_USER) . ' as course_rel_user
+            $sql .= ' LEFT JOIN '.Database::get_main_table(TABLE_MAIN_COURSE_USER).' as course_rel_user
                         ON
                             user.user_id = course_rel_user.user_id AND
-                            course_rel_user.relation_type<>' . COURSE_RELATION_TYPE_RRHH . ' AND
-                            course_rel_user.c_id = ' . $courseId ;
+                            course_rel_user.relation_type<>' . COURSE_RELATION_TYPE_RRHH.' AND
+                            course_rel_user.c_id = ' . $courseId;
             $where[] = ' course_rel_user.c_id IS NOT NULL ';
         }
 
         $multiple_access_url = api_get_multiple_access_url();
         if ($multiple_access_url) {
-            $sql .= ' LEFT JOIN ' . Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER) . '  au
+            $sql .= ' LEFT JOIN '.Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER).'  au
                       ON (au.user_id = user.user_id) ';
         }
 
-        $sql .= ' WHERE ' . implode(' OR ', $where);
+        $sql .= ' WHERE '.implode(' OR ', $where);
 
         if ($multiple_access_url) {
             $current_access_url_id = api_get_current_access_url_id();
@@ -1678,8 +1678,8 @@ 
         $users = array();
 
         // We get the coach for the given course in a given session.
-        $sql = 'SELECT user_id FROM ' . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) .
-               ' WHERE session_id ="' . $session_id . '" AND c_id="' . $courseId . '" AND status = 2';
+        $sql = 'SELECT user_id FROM '.Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER).
+               ' WHERE session_id ="'.$session_id.'" AND c_id="'.$courseId.'" AND status = 2';
         $rs = Database::query($sql);
         while ($user = Database::fetch_array($rs)) {
             $user_info = api_get_user_info($user['user_id']);
@@ -1691,7 +1691,7 @@ 
 
         $table = Database::get_main_table(TABLE_MAIN_SESSION);
         // We get the session coach.
-        $sql = 'SELECT id_coach FROM ' . $table . ' WHERE id=' . $session_id;
+        $sql = 'SELECT id_coach FROM '.$table.' WHERE id='.$session_id;
         $rs = Database::query($sql);
         $session_id_coach = Database::result($rs, 0, 'id_coach');
         $user_info = api_get_user_info($session_id_coach);
@@ -1767,11 +1767,11 @@ 
             $joinSession = "";
             //Session creation date
             if (!empty($date_from) && !empty($date_to)) {
-                $joinSession = "INNER JOIN " . Database::get_main_table(TABLE_MAIN_SESSION) . " s";
+                $joinSession = "INNER JOIN ".Database::get_main_table(TABLE_MAIN_SESSION)." s";
             }
 
             $sql_query = "SELECT *
-                          FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) . " scu
+                          FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)." scu
                           $joinSession
                           INNER JOIN $userTable u ON scu.user_id = u.user_id
                           WHERE scu.c_id = '$courseId' AND scu.status <> 2";
@@ -1783,11 +1783,11 @@ 
             }
 
             if ($session_id != 0) {
-                $sql_query .= ' AND scu.session_id = ' . $session_id;
+                $sql_query .= ' AND scu.session_id = '.$session_id;
             }
 
             if (!$includeInvitedUsers) {
-                $sql_query .= " AND u.status != " . INVITEE;
+                $sql_query .= " AND u.status != ".INVITEE;
             }
 
             $rs = Database::query($sql_query);
@@ -1821,8 +1821,8 @@ 
                     u.email,
                     u.username,
                     u.status
-                FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . " cu
-                INNER JOIN " . Database::get_main_table(TABLE_MAIN_USER) . " u
+                FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER)." cu
+                INNER JOIN " . Database::get_main_table(TABLE_MAIN_USER)." u
                 ON (cu.user_id = u.id)
                 WHERE
                     cu.c_id = $courseId AND
@@ -1860,7 +1860,7 @@ 
                     $teacher['lastname']
                 );
                 if ($add_link_to_profile) {
-                    $url = api_get_path(WEB_AJAX_PATH) . 'user_manager.ajax.php?a=get_user_popup&user_id=' . $teacher['user_id'];
+                    $url = api_get_path(WEB_AJAX_PATH).'user_manager.ajax.php?a=get_user_popup&user_id='.$teacher['user_id'];
                     $teacher_name = Display::url(
                         $teacher_name,
                         $url,
@@ -1874,13 +1874,13 @@ 
             }
 
             if (!empty($list)) {
-                if ($orderList === true){
+                if ($orderList === true) {
                     $html .= '<ul class="user-teacher">';
-                    foreach ($list as $teacher){
-                        $html .= Display::tag('li', Display::return_icon('teacher.png', $teacher, null, ICON_SIZE_TINY) . ' ' . $teacher);
+                    foreach ($list as $teacher) {
+                        $html .= Display::tag('li', Display::return_icon('teacher.png', $teacher, null, ICON_SIZE_TINY).' '.$teacher);
                     }
                     $html .= '</ul>';
-                }else{
+                } else {
                     $html .= array_to_string($list, $separator);
                 }
             }
@@ -1959,7 +1959,7 @@ 
             foreach ($coachs_course as $coach_course) {
                 $coach_name = api_get_person_name($coach_course['firstname'], $coach_course['lastname']);
                 if ($add_link_to_profile) {
-                    $url = api_get_path(WEB_AJAX_PATH) . 'user_manager.ajax.php?a=get_user_popup&user_id=' . $coach_course['user_id'];
+                    $url = api_get_path(WEB_AJAX_PATH).'user_manager.ajax.php?a=get_user_popup&user_id='.$coach_course['user_id'];
                     $coach_name = Display::url(
                         $coach_name,
                         $url,
@@ -1975,10 +1975,10 @@ 
         $coaches_to_string = null;
 
         if (!empty($course_coachs)) {
-            if ($orderList === true){
+            if ($orderList === true) {
                 $html .= '<ul class="user-coachs">';
-                    foreach ($course_coachs as $coachs){
-                        $html .= Display::tag('li', Display::return_icon('teacher.png', $coachs, null, ICON_SIZE_TINY) . ' ' . $coachs);
+                    foreach ($course_coachs as $coachs) {
+                        $html .= Display::tag('li', Display::return_icon('teacher.png', $coachs, null, ICON_SIZE_TINY).' '.$coachs);
                     }
                 $html .= '</ul>';
             } else {
@@ -2033,20 +2033,20 @@ 
         }
 
         $group_list = array();
-        $session_id != 0 ? $session_condition = ' WHERE g.session_id IN(1,' . intval($session_id) . ')' : $session_condition = ' WHERE g.session_id = 0';
+        $session_id != 0 ? $session_condition = ' WHERE g.session_id IN(1,'.intval($session_id).')' : $session_condition = ' WHERE g.session_id = 0';
 
         if ($in_get_empty_group == 0) {
             // get only groups that are not empty
             $sql = "SELECT DISTINCT g.id, g.name
-                    FROM " . Database::get_course_table(TABLE_GROUP) . " AS g
-                    INNER JOIN " . Database::get_course_table(TABLE_GROUP_USER) . " gu
+                    FROM " . Database::get_course_table(TABLE_GROUP)." AS g
+                    INNER JOIN " . Database::get_course_table(TABLE_GROUP_USER)." gu
                     ON (g.id = gu.group_id AND g.c_id = $course_id AND gu.c_id = $course_id)
                     $session_condition
                     ORDER BY g.name";
         } else {
             // get all groups even if they are empty
             $sql = "SELECT g.id, g.name
-                    FROM " . Database::get_course_table(TABLE_GROUP) . " AS g
+                    FROM " . Database::get_course_table(TABLE_GROUP)." AS g
                     $session_condition
                     AND c_id = $course_id";
         }
@@ -2101,7 +2101,7 @@ 
         $table_stats_uploads = Database::get_main_table(TABLE_STATISTIC_TRACK_E_UPLOADS);
 
         $codeFiltered = Database::escape_string($code);
-        $sql = "SELECT * FROM $table_course WHERE code='" . $codeFiltered . "'";
+        $sql = "SELECT * FROM $table_course WHERE code='".$codeFiltered."'";
         $res = Database::query($sql);
 
         if (Database::num_rows($res) == 0) {
@@ -2109,7 +2109,7 @@ 
         }
 
         $sql = "SELECT * FROM $table_course
-                WHERE code = '" . $codeFiltered . "'";
+                WHERE code = '".$codeFiltered."'";
         $res = Database::query($sql);
         $course = Database::fetch_array($res);
         $courseId = $course['id'];
@@ -2154,34 +2154,34 @@ 
                 }
             }
 
-            $course_dir = api_get_path(SYS_COURSE_PATH) . $course['directory'];
-            $archive_dir = api_get_path(SYS_ARCHIVE_PATH) . $course['directory'] . '_' . time();
+            $course_dir = api_get_path(SYS_COURSE_PATH).$course['directory'];
+            $archive_dir = api_get_path(SYS_ARCHIVE_PATH).$course['directory'].'_'.time();
             if (is_dir($course_dir)) {
                 rename($course_dir, $archive_dir);
             }
 
             // Unsubscribe all users from the course
-            $sql = "DELETE FROM $table_course_user WHERE c_id='" . $courseId . "'";
+            $sql = "DELETE FROM $table_course_user WHERE c_id='".$courseId."'";
             Database::query($sql);
             // Delete the course from the sessions tables
-            $sql = "DELETE FROM $table_session_course WHERE c_id='" . $courseId . "'";
+            $sql = "DELETE FROM $table_session_course WHERE c_id='".$courseId."'";
             Database::query($sql);
-            $sql = "DELETE FROM $table_session_course_user WHERE c_id='" . $courseId . "'";
+            $sql = "DELETE FROM $table_session_course_user WHERE c_id='".$courseId."'";
             Database::query($sql);
 
             // Delete from Course - URL
-            $sql = "DELETE FROM $table_course_rel_url WHERE c_id = '" . $courseId. "'";
+            $sql = "DELETE FROM $table_course_rel_url WHERE c_id = '".$courseId."'";
             Database::query($sql);
 
-            $sql = 'SELECT survey_id FROM ' . $table_course_survey . ' WHERE course_code="' . $codeFiltered . '"';
+            $sql = 'SELECT survey_id FROM '.$table_course_survey.' WHERE course_code="'.$codeFiltered.'"';
             $result_surveys = Database::query($sql);
             while ($surveys = Database::fetch_array($result_surveys)) {
                 $survey_id = $surveys[0];
-                $sql = 'DELETE FROM ' . $table_course_survey_question . ' WHERE survey_id="' . $survey_id . '"';
+                $sql = 'DELETE FROM '.$table_course_survey_question.' WHERE survey_id="'.$survey_id.'"';
                 Database::query($sql);
-                $sql = 'DELETE FROM ' . $table_course_survey_question_option . ' WHERE survey_id="' . $survey_id . '"';
+                $sql = 'DELETE FROM '.$table_course_survey_question_option.' WHERE survey_id="'.$survey_id.'"';
                 Database::query($sql);
-                $sql = 'DELETE FROM ' . $table_course_survey . ' WHERE survey_id="' . $survey_id . '"';
+                $sql = 'DELETE FROM '.$table_course_survey.' WHERE survey_id="'.$survey_id.'"';
                 Database::query($sql);
             }
 
@@ -2214,7 +2214,7 @@ 
             Database::query($sql);
 
             // Delete the course from the database
-            $sql = "DELETE FROM $table_course WHERE code = '" . $codeFiltered . "'";
+            $sql = "DELETE FROM $table_course WHERE code = '".$codeFiltered."'";
             Database::query($sql);
 
             // delete extra course fields
@@ -2260,15 +2260,15 @@ 
                 while ($row = Database::fetch_array($res_table, 'ASSOC')) {
                     $row_to_save = array();
                     foreach ($row as $key => $value) {
-                        $row_to_save[$key] = $key . "='" . Database::escape_string($row[$key]) . "'";
+                        $row_to_save[$key] = $key."='".Database::escape_string($row[$key])."'";
                     }
-                    $sql_dump .= "\nINSERT INTO $table SET " . implode(', ', $row_to_save) . ';';
+                    $sql_dump .= "\nINSERT INTO $table SET ".implode(', ', $row_to_save).';';
                 }
             }
         }
 
-        if (is_dir(api_get_path(SYS_COURSE_PATH) . $course['directory'])) {
-            $file_name = api_get_path(SYS_COURSE_PATH) . $course['directory'] . '/mysql_dump.sql';
+        if (is_dir(api_get_path(SYS_COURSE_PATH).$course['directory'])) {
+            $file_name = api_get_path(SYS_COURSE_PATH).$course['directory'].'/mysql_dump.sql';
             $handle = fopen($file_name, 'a+');
             if ($handle !== false) {
                 fwrite($handle, $sql_dump);
@@ -2296,13 +2296,13 @@ 
         $TABLECOURSE = Database::get_main_table(TABLE_MAIN_COURSE);
         $TABLECOURSUSER = Database::get_main_table(TABLE_MAIN_COURSE_USER);
 
-        $course_title = Database::result(Database::query('SELECT title FROM ' . $TABLECOURSE . ' WHERE code="' . $course_code . '"'),
+        $course_title = Database::result(Database::query('SELECT title FROM '.$TABLECOURSE.' WHERE code="'.$course_code.'"'),
             0, 0);
 
         $sql = 'SELECT course.code as code, course.title as title, cu.sort as sort
-                FROM ' . $TABLECOURSUSER . ' as cu, ' . $TABLECOURSE . ' as course
-                WHERE   course.id = cu.c_id AND user_id = "' . $user_id . '" AND
-                        cu.relation_type<>' . COURSE_RELATION_TYPE_RRHH . ' AND
+                FROM ' . $TABLECOURSUSER.' as cu, '.$TABLECOURSE.' as course
+                WHERE   course.id = cu.c_id AND user_id = "' . $user_id.'" AND
+                        cu.relation_type<>' . COURSE_RELATION_TYPE_RRHH.' AND
                         user_course_cat = 0
                 ORDER BY cu.sort';
         $result = Database::query($sql);
@@ -2321,21 +2321,21 @@ 
                     $course_found = true;
                     $course_sort = $courses['sort'];
                     if ($counter == 0) {
-                        $sql = 'UPDATE ' . $TABLECOURSUSER . '
+                        $sql = 'UPDATE '.$TABLECOURSUSER.'
                                 SET sort = sort+1
                                 WHERE
-                                    user_id= "' . $user_id . '" AND
-                                    relation_type<>' . COURSE_RELATION_TYPE_RRHH . '
+                                    user_id= "' . $user_id.'" AND
+                                    relation_type<>' . COURSE_RELATION_TYPE_RRHH.'
                                     AND user_course_cat="0"
-                                    AND sort > "' . $course_sort . '"';
+                                    AND sort > "' . $course_sort.'"';
                         $course_sort++;
                     } else {
-                        $sql = 'UPDATE ' . $TABLECOURSUSER . ' SET sort = sort+1
+                        $sql = 'UPDATE '.$TABLECOURSUSER.' SET sort = sort+1
                                 WHERE
-                                    user_id= "' . $user_id . '" AND
-                                    relation_type<>' . COURSE_RELATION_TYPE_RRHH . ' AND
+                                    user_id= "' . $user_id.'" AND
+                                    relation_type<>' . COURSE_RELATION_TYPE_RRHH.' AND
                                     user_course_cat="0" AND
-                                    sort >= "' . $course_sort . '"';
+                                    sort >= "' . $course_sort.'"';
                     }
                     Database::query($sql);
                     break;
@@ -2348,9 +2348,9 @@ 
 
             // We must register the course in the beginning of the list
             if (!$course_found) {
-                $course_sort = Database::result(Database::query('SELECT min(sort) as min_sort FROM ' . $TABLECOURSUSER . ' WHERE user_id="' . $user_id . '" AND user_course_cat="0"'),
+                $course_sort = Database::result(Database::query('SELECT min(sort) as min_sort FROM '.$TABLECOURSUSER.' WHERE user_id="'.$user_id.'" AND user_course_cat="0"'),
                     0, 0);
-                Database::query('UPDATE ' . $TABLECOURSUSER . ' SET sort = sort+1 WHERE user_id= "' . $user_id . '" AND user_course_cat="0"');
+                Database::query('UPDATE '.$TABLECOURSUSER.' SET sort = sort+1 WHERE user_id= "'.$user_id.'" AND user_course_cat="0"');
             }
         }
         return $course_sort;
@@ -2365,11 +2365,11 @@ 
     public static function course_exists($course_code, $accept_virtual = false)
     {
         if ($accept_virtual === true) {
-            $sql = 'SELECT 1 FROM ' . Database::get_main_table(TABLE_MAIN_COURSE) . '
-                    WHERE code="' . Database::escape_string($course_code) . '" OR visual_code="' . Database::escape_string($course_code) . '"';
+            $sql = 'SELECT 1 FROM '.Database::get_main_table(TABLE_MAIN_COURSE).'
+                    WHERE code="' . Database::escape_string($course_code).'" OR visual_code="'.Database::escape_string($course_code).'"';
         } else {
-            $sql = 'SELECT 1 FROM ' . Database::get_main_table(TABLE_MAIN_COURSE) . '
-                    WHERE code="' . Database::escape_string($course_code) . '"';
+            $sql = 'SELECT 1 FROM '.Database::get_main_table(TABLE_MAIN_COURSE).'
+                    WHERE code="' . Database::escape_string($course_code).'"';
         }
 
         return Database::num_rows(Database::query($sql));
@@ -2395,7 +2395,7 @@ 
         $student = api_get_user_info($user_id);
 
         $name_course = $information['title'];
-        $sql = "SELECT * FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . " WHERE c_id ='" . $courseId . "'";
+        $sql = "SELECT * FROM ".Database::get_main_table(TABLE_MAIN_COURSE_USER)." WHERE c_id ='".$courseId."'";
 
         // TODO: Ivan: This is a mistake, please, have a look at it. Intention here is diffcult to be guessed.
         //if ($send_to_tutor_also = true)
@@ -2410,18 +2410,18 @@ 
         while ($row = Database::fetch_array($result)) {
             $tutor = api_get_user_info($row['user_id']);
             $emailto = $tutor['email'];
-            $emailsubject = get_lang('NewUserInTheCourse') . ': ' . $name_course;
-            $emailbody = get_lang('Dear') . ': ' . api_get_person_name($tutor['firstname'], $tutor['lastname']) . "\n";
-            $emailbody .= get_lang('MessageNewUserInTheCourse') . ': ' . $name_course . "\n";
-            $emailbody .= get_lang('UserName') . ': ' . $student['username'] . "\n";
+            $emailsubject = get_lang('NewUserInTheCourse').': '.$name_course;
+            $emailbody = get_lang('Dear').': '.api_get_person_name($tutor['firstname'], $tutor['lastname'])."\n";
+            $emailbody .= get_lang('MessageNewUserInTheCourse').': '.$name_course."\n";
+            $emailbody .= get_lang('UserName').': '.$student['username']."\n";
             if (api_is_western_name_order()) {
-                $emailbody .= get_lang('FirstName') . ': ' . $student['firstname'] . "\n";
-                $emailbody .= get_lang('LastName') . ': ' . $student['lastname'] . "\n";
+                $emailbody .= get_lang('FirstName').': '.$student['firstname']."\n";
+                $emailbody .= get_lang('LastName').': '.$student['lastname']."\n";
             } else {
-                $emailbody .= get_lang('LastName') . ': ' . $student['lastname'] . "\n";
-                $emailbody .= get_lang('FirstName') . ': ' . $student['firstname'] . "\n";
+                $emailbody .= get_lang('LastName').': '.$student['lastname']."\n";
+                $emailbody .= get_lang('FirstName').': '.$student['firstname']."\n";
             }
-            $emailbody .= get_lang('Email') . ': <a href="mailto:' . $student['email'] . '">' . $student['email'] ."</a>\n\n";
+            $emailbody .= get_lang('Email').': <a href="mailto:'.$student['email'].'">'.$student['email']."</a>\n\n";
             $recipient_name = api_get_person_name($tutor['firstname'], $tutor['lastname'], null,
                 PERSON_NAME_EMAIL_ADDRESS);
             $sender_name = api_get_person_name(api_get_setting('administratorName'),
@@ -2523,9 +2523,9 @@ 
 
             $with_special_courses = $without_special_courses = '';
             if (!empty($special_course_list)) {
-                $sc_string = '"' . implode('","', $special_course_list) . '"';
-                $with_special_courses = ' course.code IN (' . $sc_string . ')';
-                $without_special_courses = ' AND course.code NOT IN (' . $sc_string . ')';
+                $sc_string = '"'.implode('","', $special_course_list).'"';
+                $with_special_courses = ' course.code IN ('.$sc_string.')';
+                $without_special_courses = ' AND course.code NOT IN ('.$sc_string.')';
             }
 
             if (!empty($with_special_courses)) {
@@ -2569,8 +2569,8 @@ 
 
         if ($include_sessions === true) {
             $sql = "SELECT DISTINCT(c.code), c.id as real_id
-                    FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) . " s,
-                    " . Database::get_main_table(TABLE_MAIN_COURSE) . " c
+                    FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)." s,
+                    " . Database::get_main_table(TABLE_MAIN_COURSE)." c
                     WHERE user_id = $user_id AND s.c_id = c.id";
             $r = Database::query($sql);
             while ($row = Database::fetch_array($r, 'ASSOC')) {
@@ -2591,7 +2591,7 @@ 
     public static function get_course_id_from_path($path)
     {
         $path = Database::escape_string(str_replace('.', '', str_replace('/', '', $path)));
-        $res = Database::query("SELECT code FROM " . Database::get_main_table(TABLE_MAIN_COURSE) . "
+        $res = Database::query("SELECT code FROM ".Database::get_main_table(TABLE_MAIN_COURSE)."
                 WHERE directory LIKE BINARY '$path'");
         if ($res === false) {
             return false;
@@ -2613,8 +2613,8 @@ 
     public static function get_courses_info_from_visual_code($code)
     {
         $result = array();
-        $sql_result = Database::query("SELECT * FROM " . Database::get_main_table(TABLE_MAIN_COURSE) . "
-                WHERE visual_code = '" . Database::escape_string($code) . "'");
+        $sql_result = Database::query("SELECT * FROM ".Database::get_main_table(TABLE_MAIN_COURSE)."
+                WHERE visual_code = '" . Database::escape_string($code)."'");
         while ($virtual_course = Database::fetch_array($sql_result)) {
             $result[] = $virtual_course;
         }
@@ -2630,10 +2630,10 @@ 
     public static function get_emails_of_tutors_to_course($courseId)
     {
         $list = array();
-        $res = Database::query("SELECT user_id FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . "
-                WHERE c_id ='" . intval($courseId) . "' AND status=1");
+        $res = Database::query("SELECT user_id FROM ".Database::get_main_table(TABLE_MAIN_COURSE_USER)."
+                WHERE c_id ='" . intval($courseId)."' AND status=1");
         while ($list_users = Database::fetch_array($res)) {
-            $result = Database::query("SELECT * FROM " . Database::get_main_table(TABLE_MAIN_USER) . "
+            $result = Database::query("SELECT * FROM ".Database::get_main_table(TABLE_MAIN_USER)."
                     WHERE user_id=" . $list_users['user_id']);
             while ($row_user = Database::fetch_array($result)) {
                 $name_teacher = api_get_person_name($row_user['firstname'], $row_user['lastname']);
@@ -2676,7 +2676,7 @@ 
             }
 
             $sql = "SELECT firstname, lastname, email FROM $tbl_user
-                    WHERE user_id IN (" . implode(",", $user_ids) . ")";
+                    WHERE user_id IN (".implode(",", $user_ids).")";
             $rs_user = Database::query($sql);
 
             while ($row_emails = Database::fetch_array($rs_user)) {
@@ -2722,9 +2722,9 @@ 
      */
     public static function update_attribute($id, $name, $value)
     {
-        $id = (int)$id;
+        $id = (int) $id;
         $table = Database::get_main_table(TABLE_MAIN_COURSE);
-        $sql = "UPDATE $table SET $name = '" . Database::escape_string($value) . "'
+        $sql = "UPDATE $table SET $name = '".Database::escape_string($value)."'
                 WHERE id = '$id';";
         return Database::query($sql);
     }
@@ -2739,7 +2739,7 @@ 
      */
     public static function update_attributes($id, $attributes)
     {
-        $id = (int)$id;
+        $id = (int) $id;
         $table = Database::get_main_table(TABLE_MAIN_COURSE);
         $sql = "UPDATE $table SET ";
         $i = 0;
@@ -2748,7 +2748,7 @@ 
                 if ($i > 0) {
                     $sql .= ", ";
                 }
-                $sql .= " $name = '" . Database::escape_string($value) . "'";
+                $sql .= " $name = '".Database::escape_string($value)."'";
                 $i++;
             }
         }
@@ -2785,9 +2785,9 @@ 
     {
         return Database::result(
             Database::query('SELECT  sc.id session_category
-                FROM ' . Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY) . ' sc
-                INNER JOIN ' . Database::get_main_table(TABLE_MAIN_SESSION) . ' s
-                ON sc.id=s.session_category_id WHERE s.id="' . Database::escape_string($session_id) . '"'),
+                FROM ' . Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY).' sc
+                INNER JOIN ' . Database::get_main_table(TABLE_MAIN_SESSION).' s
+                ON sc.id=s.session_category_id WHERE s.id="' . Database::escape_string($session_id).'"'),
             0,
             'session_category'
         );
@@ -2830,13 +2830,13 @@ 
                 $data .= '<div class="sectiontitle">';
                 if (api_is_allowed_to_edit() && $action_show) {
                     //delete
-                    $data .= '<a href="' . api_get_self() . '?' . api_get_cidreq() . '&action=delete&description_id=' . $description->id . '" onclick="javascript:if(!confirm(\'' . addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),
-                                ENT_QUOTES, $charset)) . '\')) return false;">';
+                    $data .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=delete&description_id='.$description->id.'" onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),
+                                ENT_QUOTES, $charset)).'\')) return false;">';
                     $data .= Display::return_icon('delete.gif', get_lang('Delete'),
                         array('style' => 'vertical-align:middle;float:right;'));
                     $data .= '</a> ';
                     //edit
-                    $data .= '<a href="' . api_get_self() . '?' . api_get_cidreq() . '&description_id=' . $description->id . '">';
+                    $data .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&description_id='.$description->id.'">';
                     $data .= Display::return_icon('edit.png', get_lang('Edit'),
                         array('style' => 'vertical-align:middle;float:right; padding-right:4px;'), ICON_SIZE_SMALL);
                     $data .= '</a> ';
@@ -2848,7 +2848,7 @@ 
                 $data .= '</div>';
             }
         } else {
-            $data .= '<em>' . get_lang('ThisCourseDescriptionIsEmpty') . '</em>';
+            $data .= '<em>'.get_lang('ThisCourseDescriptionIsEmpty').'</em>';
         }
 
         return $data;
@@ -2915,11 +2915,11 @@ 
                     ON (a.c_id = s.c_id)
                     WHERE
                         user_id = $hr_manager_id AND
-                        relation_type=" . COURSE_RELATION_TYPE_RRHH . " AND
-                        access_url_id = " . api_get_current_access_url_id() . "";
+                        relation_type=".COURSE_RELATION_TYPE_RRHH." AND
+                        access_url_id = " . api_get_current_access_url_id()."";
         } else {
             $sql = "SELECT c_id FROM $tbl_course_rel_user
-                    WHERE user_id = $hr_manager_id AND relation_type=" . COURSE_RELATION_TYPE_RRHH . " ";
+                    WHERE user_id = $hr_manager_id AND relation_type=".COURSE_RELATION_TYPE_RRHH." ";
         }
         $result = Database::query($sql);
         if (Database::num_rows($result) > 0) {
@@ -2928,7 +2928,7 @@ 
                         WHERE
                             c_id = '{$row['c_id']}' AND
                             user_id = $hr_manager_id AND
-                            relation_type=" . COURSE_RELATION_TYPE_RRHH . " ";
+                            relation_type=".COURSE_RELATION_TYPE_RRHH." ";
                 Database::query($sql);
             }
         }
@@ -2939,7 +2939,7 @@ 
                 $courseInfo = api_get_course_info($course_code);
                 $courseId = $courseInfo['real_id'];
                 $sql = "INSERT IGNORE INTO $tbl_course_rel_user(c_id, user_id, status, relation_type)
-                        VALUES($courseId, $hr_manager_id, '" . DRH . "', '" . COURSE_RELATION_TYPE_RRHH . "')";
+                        VALUES($courseId, $hr_manager_id, '".DRH."', '".COURSE_RELATION_TYPE_RRHH."')";
                 $result = Database::query($sql);
                 if (Database::affected_rows($result)) {
                     $affected_rows++;
@@ -3022,16 +3022,16 @@ 
             case COURSEMANAGER:
                 $whereConditions .= " AND cru.user_id = '$user_id'";
                 if (!$showAllAssignedCourses) {
-                    $whereConditions .= " AND status = " . COURSEMANAGER;
+                    $whereConditions .= " AND status = ".COURSEMANAGER;
                 } else {
-                    $whereConditions .= " AND relation_type = " . COURSE_RELATION_TYPE_COURSE_MANAGER;
+                    $whereConditions .= " AND relation_type = ".COURSE_RELATION_TYPE_COURSE_MANAGER;
                 }
                 break;
             case DRH:
                 $whereConditions .= " AND
                     cru.user_id = '$user_id' AND
-                    status = " . DRH . " AND
-                    relation_type = '" . COURSE_RELATION_TYPE_RRHH . "'
+                    status = ".DRH." AND
+                    relation_type = '" . COURSE_RELATION_TYPE_RRHH."'
                 ";
                 break;
         }
@@ -3052,7 +3052,7 @@ 
                 );
                 if (!empty($courseList)) {
                     $courseListToString = implode("','", array_keys($courseList));
-                    $whereConditions .= " AND c.id IN ('" . $courseListToString . "')";
+                    $whereConditions .= " AND c.id IN ('".$courseListToString."')";
                 }
                 $tableSessionRelCourse = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
                 $orderBy = ' ORDER BY position';
@@ -3068,7 +3068,7 @@ 
                     INNER JOIN $tbl_course_rel_access_url a ON (a.c_id = c.id)
                     $extraInnerJoin
                 WHERE
-                    access_url_id = " . api_get_current_access_url_id() . "
+                    access_url_id = ".api_get_current_access_url_id()."
                     $whereConditions
                 $orderBy
                 ";
@@ -3128,10 +3128,10 @@ 
     {
         $course_info = api_get_course_info($course_code);
         // course path
-        $store_path = api_get_path(SYS_COURSE_PATH) . $course_info['path'];
+        $store_path = api_get_path(SYS_COURSE_PATH).$course_info['path'];
         // image name for courses
-        $course_image = $store_path . '/course-pic.png';
-        $course_medium_image = $store_path . '/course-pic85x85.png';
+        $course_image = $store_path.'/course-pic.png';
+        $course_medium_image = $store_path.'/course-pic85x85.png';
 
         if (file_exists($course_image)) {
             unlink($course_image);
@@ -3165,11 +3165,11 @@ 
     {
         $course_info = api_get_course_info($courseCode);
         // course path
-        $storePath = api_get_path(SYS_COURSE_PATH) . $course_info['path'];
+        $storePath = api_get_path(SYS_COURSE_PATH).$course_info['path'];
         // image name for courses
-        $courseImage = $storePath . '/course-pic.png';
-        $courseMediumImage = $storePath . '/course-pic85x85.png';
-        $courseSmallImage = $storePath . '/course-pic32.png';
+        $courseImage = $storePath.'/course-pic.png';
+        $courseMediumImage = $storePath.'/course-pic85x85.png';
+        $courseSmallImage = $storePath.'/course-pic32.png';
 
         if (file_exists($courseImage)) {
             unlink($courseImage);
@@ -3197,26 +3197,26 @@ 
 
         $notifications = isset($params['notifications']) ? $params['notifications'] : null;
 
-        $html .= '<h3>' . $params['title'] . $notifications . '</h3> ';
+        $html .= '<h3>'.$params['title'].$notifications.'</h3> ';
 
         if (isset($params['description'])) {
-            $html .= '<p>' . $params['description'] . '</p>';
+            $html .= '<p>'.$params['description'].'</p>';
         }
         if (!empty($params['subtitle'])) {
-            $html .= '<small>' . $params['subtitle'] . '</small>';
+            $html .= '<small>'.$params['subtitle'].'</small>';
         }
         if (!empty($params['teachers'])) {
-            $html .= '<h5 class="teacher">' . Display::return_icon('teacher.png', get_lang('Teacher'), array(),
-                    ICON_SIZE_TINY) . $params['teachers'] . '</h5>';
+            $html .= '<h5 class="teacher">'.Display::return_icon('teacher.png', get_lang('Teacher'), array(),
+                    ICON_SIZE_TINY).$params['teachers'].'</h5>';
         }
         if (!empty($params['coaches'])) {
-            $html .= '<h5 class="teacher">' . Display::return_icon('teacher.png', get_lang('Coach'), array(),
-                    ICON_SIZE_TINY) . $params['coaches'] . '</h5>';
+            $html .= '<h5 class="teacher">'.Display::return_icon('teacher.png', get_lang('Coach'), array(),
+                    ICON_SIZE_TINY).$params['coaches'].'</h5>';
         }
 
         $html .= '</div>';
         $params['right_actions'] = isset($params['right_actions']) ? $params['right_actions'] : null;
-        $html .= '<div class="pull-right course-box-actions">' . $params['right_actions'] . '</div>';
+        $html .= '<div class="pull-right course-box-actions">'.$params['right_actions'].'</div>';
         $html .= '</div>';
         $html .= '</div>';
         return $html;
@@ -3232,11 +3232,11 @@ 
         $html = '';
         $html .= '<div class="row">';
         $html .= '<div class="col-md-2">';
-        if (!empty($params['link'])){
+        if (!empty($params['link'])) {
             $html .= '<a class="thumbnail" href="'.$params['link'].'">';
             $html .= $params['icon'];
             $html .= '</a>';
-        }else{
+        } else {
             $html .= $params['icon'];
         }
         $html .= '</div>';
@@ -3263,13 +3263,13 @@ 
         if ($is_sub_content) {
             $class = "course_item";
         }
-        $html .= '<div class="' . $class . '">';
+        $html .= '<div class="'.$class.'">';
         $html .= '<div class="panel-body">';
         $html .= '<div class="course-items">';
         $html .= ' <div class="row">';
         $html .= '<div class="col-md-2">';
         if (!empty($params['link'])) {
-            $html .= '<a class="thumbnail" href="' . $params['link'] . '">';
+            $html .= '<a class="thumbnail" href="'.$params['link'].'">';
             $html .= $params['icon'];
             $html .= '</a>';
         } else {
@@ -3282,25 +3282,25 @@ 
         $param_class = isset($params['class']) ? $params['class'] : '';
         $params['right_actions'] = isset($params['right_actions']) ? $params['right_actions'] : '';
 
-        $html .= '<div class="col-md-10 ' . $param_class . '">';
-        $html .= '<div class="pull-right">' . $params['right_actions'] . '</div>';
-        $html .= '<h4 class="course-items-title">' . $params['title'] . $notifications . '</h4> ';
+        $html .= '<div class="col-md-10 '.$param_class.'">';
+        $html .= '<div class="pull-right">'.$params['right_actions'].'</div>';
+        $html .= '<h4 class="course-items-title">'.$params['title'].$notifications.'</h4> ';
 
         if (isset($params['show_description'], $params['description']) && $params['show_description'] == 1) {
-            $html .= '<p class="description-session">' . $params['description'] . '</p>';
+            $html .= '<p class="description-session">'.$params['description'].'</p>';
         }
         if (!empty($params['subtitle'])) {
-            $html .= '<div class="subtitle-session">' . $params['subtitle'] . '</div>';
+            $html .= '<div class="subtitle-session">'.$params['subtitle'].'</div>';
         }
         if (!empty($params['teachers'])) {
-            $html .= '<h5 class="course-items-session">' .
-                    Display::return_icon('teacher.png', get_lang('Teacher'), array(), ICON_SIZE_TINY) .
-                $params['teachers'] . '</h5>';
+            $html .= '<h5 class="course-items-session">'.
+                    Display::return_icon('teacher.png', get_lang('Teacher'), array(), ICON_SIZE_TINY).
+                $params['teachers'].'</h5>';
         }
         if (!empty($params['coaches'])) {
-            $html .= '<h5 class="course-items-session">' .
-                Display::return_icon('teacher.png', get_lang('Coach'), array(), ICON_SIZE_TINY) .
-                $params['coaches'] . '</h5>';
+            $html .= '<h5 class="course-items-session">'.
+                Display::return_icon('teacher.png', get_lang('Coach'), array(), ICON_SIZE_TINY).
+                $params['coaches'].'</h5>';
         }
 
         $html .= '</div>';
@@ -3321,7 +3321,7 @@ 
      */
     public static function course_item_parent($main_content, $sub_content, $sub_sub_content = null)
     {
-        return '<div class="panel panel-default">' . $main_content . $sub_content . $sub_sub_content . '</div>';
+        return '<div class="panel panel-default">'.$main_content.$sub_content.$sub_sub_content.'</div>';
     }
 
     /**
@@ -3343,7 +3343,7 @@ 
 
         $with_special_courses = $without_special_courses = '';
         if (!empty($special_course_list)) {
-            $with_special_courses = ' course.code IN ("' . implode('","', $special_course_list) . '")';
+            $with_special_courses = ' course.code IN ("'.implode('","', $special_course_list).'")';
         }
         $html = null;
         $courseCount = 0;
@@ -3394,14 +3394,14 @@ 
                     $params['right_actions'] = '';
                     if (api_is_platform_admin()) {
                         if ($load_dirs) {
-                            $params['right_actions'] .= '<a id="document_preview_' . $course['id'] . '_0" class="document_preview" href="javascript:void(0);">' .
+                            $params['right_actions'] .= '<a id="document_preview_'.$course['id'].'_0" class="document_preview" href="javascript:void(0);">'.
                                 Display::return_icon(
                                     'folder.png',
                                     get_lang('Documents'),
                                     array('align' => 'absmiddle'),
                                     ICON_SIZE_SMALL
                                 ).'</a>';
-                            $params['right_actions'] .= '<a href="' . api_get_path(WEB_CODE_PATH) . 'course_info/infocours.php?cidReq=' . $course['code'] . '">' .
+                            $params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.
                                 Display::return_icon(
                                     'edit.png',
                                     get_lang('Edit'),
@@ -3409,13 +3409,13 @@ 
                                     ICON_SIZE_SMALL
                                 ).'</a>';
                             $params['right_actions'] .= Display::div('', array(
-                                    'id' => 'document_result_' . $course['id'] . '_0',
+                                    'id' => 'document_result_'.$course['id'].'_0',
                                     'class' => 'document_preview_container'
                                 ));
                         } else {
-                            $params['right_actions'] .= '<a href="' . api_get_path(WEB_CODE_PATH) . 'course_info/infocours.php?cidReq=' . $course['code'] . '">' .
+                            $params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.
                                 Display::return_icon('edit.png',
-                                    get_lang('Edit'), array('align' => 'absmiddle'), ICON_SIZE_SMALL) . '</a>';
+                                    get_lang('Edit'), array('align' => 'absmiddle'), ICON_SIZE_SMALL).'</a>';
                         }
                         if ($course['status'] == COURSEMANAGER) {
                             //echo Display::return_icon('teachers.gif', get_lang('Status').': '.get_lang('Teacher'), array('style'=>'width: 11px; height: 11px;'));
@@ -3423,7 +3423,7 @@ 
                     } else {
                         if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED) {
                             if ($load_dirs) {
-                                $params['right_actions'] .= '<a id="document_preview_' . $course['id'] . '_0" class="document_preview" href="javascript:void(0);">' .
+                                $params['right_actions'] .= '<a id="document_preview_'.$course['id'].'_0" class="document_preview" href="javascript:void(0);">'.
                                     Display::return_icon(
                                         'folder.png',
                                         get_lang('Documents'),
@@ -3431,7 +3431,7 @@ 
                                         ICON_SIZE_SMALL
                                     ).'</a>';
                                 $params['right_actions'] .= Display::div('', array(
-                                        'id' => 'document_result_' . $course['id'] . '_0',
+                                        'id' => 'document_result_'.$course['id'].'_0',
                                         'class' => 'document_preview_container'
                                     ));
                             }
@@ -3439,14 +3439,14 @@ 
                     }
 
                     if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED || $course['status'] == COURSEMANAGER) {
-                        $course_title = '<a href="' . $course_info['course_public_url'] . '?id_session=0&autoreg=1">' . $course_info['title'] . '</a>';
+                        $course_title = '<a href="'.$course_info['course_public_url'].'?id_session=0&autoreg=1">'.$course_info['title'].'</a>';
                     } else {
-                        $course_title = $course_info['title'] . " " . Display::tag('span', get_lang('CourseClosed'),
+                        $course_title = $course_info['title']." ".Display::tag('span', get_lang('CourseClosed'),
                                 array('class' => 'item_closed'));
                     }
 
                     if (api_get_setting('display_coursecode_in_courselist') == 'true') {
-                        $course_title .= ' (' . $course_info['visual_code'] . ') ';
+                        $course_title .= ' ('.$course_info['visual_code'].') ';
                     }
                     if (api_get_setting('display_teacher_in_courselist') == 'true') {
                         $params['teachers'] = CourseManager::get_teacher_list_from_course_code_to_string(
@@ -3495,7 +3495,7 @@ 
         // Step 1: We get all the categories of the user
         $table = Database::get_main_table(TABLE_USER_COURSE_CATEGORY);
         $sql = "SELECT id, title FROM $table
-                WHERE user_id = '" . $user_id . "'
+                WHERE user_id = '".$user_id."'
                 ORDER BY sort ASC";
         $result = Database::query($sql);
         $html = null;
@@ -3556,7 +3556,7 @@ 
 
         $without_special_courses = '';
         if (!empty($special_course_list)) {
-            $without_special_courses = ' AND course.code NOT IN ("' . implode('","', $special_course_list) . '")';
+            $without_special_courses = ' AND course.code NOT IN ("'.implode('","', $special_course_list).'")';
         }
 
         //AND course_rel_user.relation_type<>".COURSE_RELATION_TYPE_RRHH."
@@ -3575,14 +3575,14 @@ 
                 WHERE
                     course.id = course_rel_user.c_id AND
                     url.c_id = course.id AND
-                    course_rel_user.user_id = '" . $user_id . "' AND
-                    course_rel_user.user_course_cat = '" . $user_category_id . "'
+                    course_rel_user.user_id = '".$user_id."' AND
+                    course_rel_user.user_course_cat = '" . $user_category_id."'
                     $without_special_courses ";
 
         // If multiple URL access mode is enabled, only fetch courses
         // corresponding to the current URL.
         if (api_get_multiple_access_url() && $current_url_id != -1) {
-            $sql .= " AND url.c_id = course.id AND access_url_id='" . $current_url_id . "'";
+            $sql .= " AND url.c_id = course.id AND access_url_id='".$current_url_id."'";
         }
         // Use user's classification for courses (if any).
         $sql .= " ORDER BY course_rel_user.user_course_cat, course_rel_user.sort ASC";
@@ -3638,17 +3638,17 @@ 
 
             if (api_is_platform_admin()) {
                 if ($load_dirs) {
-                    $params['right_actions'] .= '<a id="document_preview_' . $course_info['real_id'] . '_0" class="document_preview" href="javascript:void(0);">' . Display::return_icon('folder.png',
-                            get_lang('Documents'), array('align' => 'absmiddle'), ICON_SIZE_SMALL) . '</a>';
-                    $params['right_actions'] .= '<a href="' . api_get_path(WEB_CODE_PATH) . 'course_info/infocours.php?cidReq=' . $course['code'] . '">' . Display::return_icon('edit.png',
-                            get_lang('Edit'), array('align' => 'absmiddle'), ICON_SIZE_SMALL) . '</a>';
+                    $params['right_actions'] .= '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview" href="javascript:void(0);">'.Display::return_icon('folder.png',
+                            get_lang('Documents'), array('align' => 'absmiddle'), ICON_SIZE_SMALL).'</a>';
+                    $params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png',
+                            get_lang('Edit'), array('align' => 'absmiddle'), ICON_SIZE_SMALL).'</a>';
                     $params['right_actions'] .= Display::div('', array(
-                            'id' => 'document_result_' . $course_info['real_id'] . '_0',
+                            'id' => 'document_result_'.$course_info['real_id'].'_0',
                             'class' => 'document_preview_container'
                         ));
                 } else {
-                    $params['right_actions'] .= '<a href="' . api_get_path(WEB_CODE_PATH) . 'course_info/infocours.php?cidReq=' . $course['code'] . '">' . Display::return_icon('edit.png',
-                            get_lang('Edit'), array('align' => 'absmiddle'), ICON_SIZE_SMALL) . '</a>';
+                    $params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png',
+                            get_lang('Edit'), array('align' => 'absmiddle'), ICON_SIZE_SMALL).'</a>';
                 }
 
                 if ($course_info['status'] == COURSEMANAGER) {
@@ -3657,16 +3657,16 @@ 
             } else {
                 if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED) {
                     if ($load_dirs) {
-                        $params['right_actions'] .= '<a id="document_preview_' . $course_info['real_id'] . '_0" class="document_preview" href="javascript:void(0);">' . Display::return_icon('folder.png',
-                                get_lang('Documents'), array('align' => 'absmiddle'), ICON_SIZE_SMALL) . '</a>';
+                        $params['right_actions'] .= '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview" href="javascript:void(0);">'.Display::return_icon('folder.png',
+                                get_lang('Documents'), array('align' => 'absmiddle'), ICON_SIZE_SMALL).'</a>';
                         $params['right_actions'] .= Display::div('', array(
-                                'id' => 'document_result_' . $course_info['real_id'] . '_0',
+                                'id' => 'document_result_'.$course_info['real_id'].'_0',
                                 'class' => 'document_preview_container'
                             ));
                     } else {
                         if ($course_info['status'] == COURSEMANAGER) {
-                            $params['right_actions'] .= '<a href="' . api_get_path(WEB_CODE_PATH) . 'course_info/infocours.php?cidReq=' . $course['code'] . '">' . Display::return_icon('edit.png',
-                                    get_lang('Edit'), array('align' => 'absmiddle'), ICON_SIZE_SMALL) . '</a>';
+                            $params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png',
+                                    get_lang('Edit'), array('align' => 'absmiddle'), ICON_SIZE_SMALL).'</a>';
                         }
                     }
                 }
@@ -3674,16 +3674,16 @@ 
 
             $course_title_url = '';
             if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED || $course['status'] == COURSEMANAGER) {
-                $course_title_url = api_get_path(WEB_COURSE_PATH) . $course_info['path'] . '/index.php?id_session=0';
+                $course_title_url = api_get_path(WEB_COURSE_PATH).$course_info['path'].'/index.php?id_session=0';
                 $course_title = Display::url($course_info['title'], $course_title_url);
             } else {
-                $course_title = $course_info['title'] . " " . Display::tag('span', get_lang('CourseClosed'),
+                $course_title = $course_info['title']." ".Display::tag('span', get_lang('CourseClosed'),
                         array('class' => 'item_closed'));
             }
 
             // Start displaying the course block itself
             if (api_get_setting('display_coursecode_in_courselist') == 'true') {
-                $course_title .= ' (' . $course_info['visual_code'] . ') ';
+                $course_title .= ' ('.$course_info['visual_code'].') ';
             }
 
             if (api_get_setting('display_teacher_in_courselist') == 'true') {
@@ -3896,14 +3896,14 @@ 
                 }
 
                 if ($user_in_course_status == COURSEMANAGER || $sessionCourseAvailable) {
-                    $session_url = $course_info['course_public_url'] . '?id_session=' . $course_info['id_session'];
-                    $session_title = '<h4><a href="' . $session_url. '">'. $course_info['name'] . '</a>'.$notifications.'</h4>';
+                    $session_url = $course_info['course_public_url'].'?id_session='.$course_info['id_session'];
+                    $session_title = '<h4><a href="'.$session_url.'">'.$course_info['name'].'</a>'.$notifications.'</h4>';
                 } else {
                     $session_title = $course_info['name'];
                 }
 
             } else {
-                $session_title = $course_info['name'] . ' ' . Display::tag('span', get_lang('CourseClosed'),
+                $session_title = $course_info['name'].' '.Display::tag('span', get_lang('CourseClosed'),
                         array('class' => 'item_closed'));
             }
         } else {
@@ -3928,21 +3928,21 @@ 
             $course_visibility != COURSE_VISIBILITY_HIDDEN
         ) {
             if ($load_dirs) {
-                $params['right_actions'] .= '<a id="document_preview_' . $course_info['real_id'] . '_' . $course_info['id_session'] . '" class="document_preview" href="javascript:void(0);">' .
+                $params['right_actions'] .= '<a id="document_preview_'.$course_info['real_id'].'_'.$course_info['id_session'].'" class="document_preview" href="javascript:void(0);">'.
                     Display::return_icon('folder.png',
                         get_lang('Documents'),
                         array('align' => 'absmiddle'),
                         ICON_SIZE_SMALL
-                    ) . '</a>';
+                    ).'</a>';
                 $params['right_actions'] .= Display::div('', array(
-                    'id' => 'document_result_' . $course_info['real_id'] . '_' . $course_info['id_session'],
+                    'id' => 'document_result_'.$course_info['real_id'].'_'.$course_info['id_session'],
                     'class' => 'document_preview_container'
                 ));
             }
         }
 
         if (api_get_setting('display_coursecode_in_courselist') == 'true') {
-            $session_title .= ' (' . $course_info['visual_code'] . ') ';
+            $session_title .= ' ('.$course_info['visual_code'].') ';
         }
 
         if (api_get_setting('display_teacher_in_courselist') == 'true') {
@@ -3971,7 +3971,7 @@ 
             }
         }
 
-        $session_title .= isset($course['special_course']) ? ' ' .
+        $session_title .= isset($course['special_course']) ? ' '.
                           Display::return_icon('klipper.png', get_lang('CourseAutoRegister')) : '';
 
         $params['title'] = $session_title;
@@ -3987,12 +3987,12 @@ 
 
                 // Request for the name of the general coach
                 $sql = 'SELECT lastname, firstname,sc.name
-                        FROM ' . $tbl_session . ' ts
-                        LEFT JOIN ' . $main_user_table . ' tu
+                        FROM ' . $tbl_session.' ts
+                        LEFT JOIN ' . $main_user_table.' tu
                         ON ts.id_coach = tu.user_id
-                        INNER JOIN ' . $tbl_session_category . ' sc
+                        INNER JOIN ' . $tbl_session_category.' sc
                         ON ts.session_category_id = sc.id
-                        WHERE ts.id=' . (int)$course_info['id_session'] . '
+                        WHERE ts.id=' . (int) $course_info['id_session'].'
                         LIMIT 1';
 
                 $rs = Database::query($sql);
@@ -4007,14 +4007,14 @@ 
                     //$session['dates'] = get_lang('WithoutTimeLimits');
                     $session['dates'] = '';
                     if (api_get_setting('show_session_coach') === 'true') {
-                        $session['coach'] = get_lang('GeneralCoach') . ': ' . api_get_person_name($sessioncoach['firstname'],
+                        $session['coach'] = get_lang('GeneralCoach').': '.api_get_person_name($sessioncoach['firstname'],
                                 $sessioncoach['lastname']);
                     }
                     $active = true;
                 } else {
-                    $session ['dates'] = ' - ' . get_lang('From') . ' ' . $course_info['access_start_date'] . ' ' . get_lang('To') . ' ' . $course_info['access_end_date'];
+                    $session ['dates'] = ' - '.get_lang('From').' '.$course_info['access_start_date'].' '.get_lang('To').' '.$course_info['access_end_date'];
                     if (api_get_setting('show_session_coach') === 'true') {
-                        $session['coach'] = get_lang('GeneralCoach') . ': ' . api_get_person_name($sessioncoach['firstname'],
+                        $session['coach'] = get_lang('GeneralCoach').': '.api_get_person_name($sessioncoach['firstname'],
                                 $sessioncoach['lastname']);
                     }
                     $active = ($date_start <= $now && $date_end >= $now);
@@ -4066,9 +4066,9 @@ 
         $destination_session_id,
         $params = array()
     ) {
-        require_once api_get_path(SYS_CODE_PATH) . 'coursecopy/classes/CourseBuilder.class.php';
-        require_once api_get_path(SYS_CODE_PATH) . 'coursecopy/classes/CourseRestorer.class.php';
-        require_once api_get_path(SYS_CODE_PATH) . 'coursecopy/classes/CourseSelectForm.class.php';
+        require_once api_get_path(SYS_CODE_PATH).'coursecopy/classes/CourseBuilder.class.php';
+        require_once api_get_path(SYS_CODE_PATH).'coursecopy/classes/CourseRestorer.class.php';
+        require_once api_get_path(SYS_CODE_PATH).'coursecopy/classes/CourseSelectForm.class.php';
 
         $course_info = api_get_course_info($source_course_code);
 
@@ -4141,7 +4141,7 @@ 
             if (Database::num_rows($result) > 0) {
                 $row = Database::fetch_array($result);
                 $count = $row['count'] + 1;
-                $wanted_code = $wanted_code . '_' . $count;
+                $wanted_code = $wanted_code.'_'.$count;
                 $result = api_get_course_info($wanted_code);
                 if (empty($result)) {
                     return $wanted_code;
@@ -4175,7 +4175,7 @@ 
         $enabled = api_get_plugin_setting('courselegal', 'tool_enable');
 
         if ($enabled == 'true') {
-            require_once api_get_path(SYS_PLUGIN_PATH) . 'courselegal/config.php';
+            require_once api_get_path(SYS_PLUGIN_PATH).'courselegal/config.php';
             $plugin = CourseLegalPlugin::create();
             return $plugin->isUserAcceptedLegal($user_id, $course_code, $session_id);
         }
@@ -4220,7 +4220,7 @@ 
         $enabled = api_get_plugin_setting('courselegal', 'tool_enable');
 
         if ($enabled == 'true') {
-            require_once api_get_path(SYS_PLUGIN_PATH) . 'courselegal/config.php';
+            require_once api_get_path(SYS_PLUGIN_PATH).'courselegal/config.php';
             $plugin = CourseLegalPlugin::create();
             return $plugin->saveUserLegal($user_id, $course_code, $session_id);
         }
@@ -4561,10 +4561,10 @@ 
                 INNER JOIN $table_course_url u
                 ON u.c_id = c.id
                 WHERE
-                    u.access_url_id = " . api_get_current_access_url_id() . " AND
+                    u.access_url_id = ".api_get_current_access_url_id()." AND
                     login_course_date <= '$now' AND
                     login_course_date > DATE_SUB('$now', INTERVAL $days DAY) AND
-                    visibility <> '" . COURSE_VISIBILITY_CLOSED . "' AND visibility <> '" . COURSE_VISIBILITY_HIDDEN . "'
+                    visibility <> '".COURSE_VISIBILITY_CLOSED."' AND visibility <> '".COURSE_VISIBILITY_HIDDEN."'
                 GROUP BY a.c_id
                 ORDER BY course_count DESC
                 LIMIT $limit
@@ -4590,7 +4590,7 @@ 
     {
         $hotCourses = [];
 
-        $ajax_url = api_get_path(WEB_AJAX_PATH) . 'course.ajax.php?a=add_course_vote';
+        $ajax_url = api_get_path(WEB_AJAX_PATH).'course.ajax.php?a=add_course_vote';
 
         $stok = Security::get_existing_token();
 
@@ -4612,7 +4612,7 @@ 
             if ($access_link && in_array('register', $access_link)) {
                 $my_course['extra_info']['register_button'] = Display::url(
                     Display::returnFontAwesomeIcon('sign-in'),
-                    api_get_path(WEB_COURSE_PATH) . $course_info['path'] . '/index.php?action=subscribe&sec_token=' . $stok,
+                    api_get_path(WEB_COURSE_PATH).$course_info['path'].'/index.php?action=subscribe&sec_token='.$stok,
                     array('class' => 'btn btn-success btn-sm', 'title' => get_lang('Subscribe')));
             }
 
@@ -4621,14 +4621,14 @@ 
             ) {
                 $my_course['extra_info']['go_to_course_button'] = Display::url(
                     Display::returnFontAwesomeIcon('share'),
-                    api_get_path(WEB_COURSE_PATH) . $course_info['path'] . '/index.php',
+                    api_get_path(WEB_COURSE_PATH).$course_info['path'].'/index.php',
                     array('class' => 'btn btn-default btn-sm', 'title' => get_lang('GoToCourse')));
             }
 
             if ($access_link && in_array('unsubscribe', $access_link)) {
                 $my_course['extra_info']['unsubscribe_button'] = Display::url(
                     Display::returnFontAwesomeIcon('sign-out'),
-                    api_get_path(WEB_CODE_PATH) . 'auth/courses.php?action=unsubscribe&unsubscribe=' . $courseCode . '&sec_token=' . $stok . '&category_code=' . $categoryCode,
+                    api_get_path(WEB_CODE_PATH).'auth/courses.php?action=unsubscribe&unsubscribe='.$courseCode.'&sec_token='.$stok.'&category_code='.$categoryCode,
                     array('class' => 'btn btn-danger btn-sm', 'title' => get_lang('Unreg')));
             }
 
@@ -4639,7 +4639,7 @@ 
             ) { */
                 $my_course['extra_info']['description_button'] = Display::url(
                     Display::returnFontAwesomeIcon('info-circle'),
-                    api_get_path(WEB_AJAX_PATH) . 'course_home.ajax.php?a=show_course_information&code=' . $course_info['code'],
+                    api_get_path(WEB_AJAX_PATH).'course_home.ajax.php?a=show_course_information&code='.$course_info['code'],
                     [
                         'class' => 'btn btn-default btn-sm ajax',
                         'data-title' => get_lang('Description'),
@@ -4650,8 +4650,8 @@ 
             /* get_lang('Description') */
             $my_course['extra_info']['teachers'] = CourseManager::get_teacher_list_from_course_code_to_string($course_info['code']);
             $point_info = self::get_course_ranking($course_info['real_id'], 0);
-            $my_course['extra_info']['rating_html'] = Display::return_rating_system('star_' . $course_info['real_id'],
-                $ajax_url . '&course_id=' . $course_info['real_id'], $point_info);
+            $my_course['extra_info']['rating_html'] = Display::return_rating_system('star_'.$course_info['real_id'],
+                $ajax_url.'&course_id='.$course_info['real_id'], $point_info);
 
             $hotCourses[] = $my_course;
         }
@@ -4725,9 +4725,9 @@ 
                     WHERE
                         c.id = u.c_id AND
                         u.access_url_id = $urlId AND
-                        visibility <> " . COURSE_VISIBILITY_HIDDEN;
+                        visibility <> ".COURSE_VISIBILITY_HIDDEN;
         } else {
-            $sql .= " WHERE visibility <> " . COURSE_VISIBILITY_HIDDEN;
+            $sql .= " WHERE visibility <> ".COURSE_VISIBILITY_HIDDEN;
         }
         $res = Database::query($sql);
         $row = Database::fetch_row($res);
@@ -4747,7 +4747,7 @@ 
 
         $withoutSpecialCourses = '';
         if (!empty($specialCourseList)) {
-            $withoutSpecialCourses = ' AND c.code NOT IN ("' . implode('","', $specialCourseList) . '")';
+            $withoutSpecialCourses = ' AND c.code NOT IN ("'.implode('","', $specialCourseList).'")';
         }
 
         $visibilityCondition = null;
@@ -4881,12 +4881,12 @@ 
             if (count($teachers) > 0) {
                 foreach ($teachers as $key) {
                     $key = Database::escape_string($key);
-                    $cond .= " AND user_id <> '" . $key . "'";
+                    $cond .= " AND user_id <> '".$key."'";
                 }
             }
 
-            $sql = 'DELETE FROM ' . $course_user_table . '
-                    WHERE c_id ="' . $courseId . '" AND status="1" AND relation_type = 0 ' . $cond;
+            $sql = 'DELETE FROM '.$course_user_table.'
+                    WHERE c_id ="' . $courseId.'" AND status="1" AND relation_type = 0 '.$cond;
             Database::query($sql);
         }
 
@@ -4894,12 +4894,12 @@ 
             foreach ($teachers as $userId) {
                 $userId = intval($userId);
                 // We check if the teacher is already subscribed in this course
-                $sql = 'SELECT 1 FROM ' . $course_user_table . '
-                        WHERE user_id = "' . $userId . '" AND c_id = "' . $courseId . '" ';
+                $sql = 'SELECT 1 FROM '.$course_user_table.'
+                        WHERE user_id = "' . $userId.'" AND c_id = "'.$courseId.'" ';
                 $result = Database::query($sql);
                 if (Database::num_rows($result)) {
-                    $sql = 'UPDATE ' . $course_user_table . ' SET status = "1"
-                            WHERE c_id = "' . $courseId . '" AND user_id = "' . $userId . '"  ';
+                    $sql = 'UPDATE '.$course_user_table.' SET status = "1"
+                            WHERE c_id = "' . $courseId.'" AND user_id = "'.$userId.'"  ';
                 } else {
                     $userCourseCategory = '0';
                     if (isset($teacherBackup[$userId]) &&
@@ -4909,9 +4909,9 @@ 
                         $userCourseCategory = $courseUserData['user_course_cat'];
                     }
 
-                    $sql = "INSERT INTO " . $course_user_table . " SET
-                            c_id = " . $courseId . ",
-                            user_id = " . $userId . ",
+                    $sql = "INSERT INTO ".$course_user_table." SET
+                            c_id = " . $courseId.",
+                            user_id = " . $userId.",
                             status = '1',
                             is_tutor = '0',
                             sort = '0',
@@ -5247,8 +5247,8 @@ 
     {
         $tbl_main_categories = Database:: get_main_table(TABLE_MAIN_COURSE);
         $sql = 'SELECT title
-                FROM ' . $tbl_main_categories . '
-                WHERE code = "' . Database::escape_string($code) . '"';
+                FROM ' . $tbl_main_categories.'
+                WHERE code = "' . Database::escape_string($code).'"';
         $result = Database::query($sql);
         if ($col = Database::fetch_array($result)) {
             return $col['title'];
@@ -5431,7 +5431,7 @@ 
             foreach ($group_list as $this_group) {
                 if (is_array($to_already_selected)) {
                     if (!in_array(
-                        "GROUP:" . $this_group['id'],
+                        "GROUP:".$this_group['id'],
                         $to_already_selected
                     )
                     ) { // $to_already_selected is the array containing the groups (and users) that are already selected
@@ -5439,8 +5439,8 @@ 
                         $user_disabled = ($this_group['userNb'] > 0) ? "" : "disabled=disabled";
                         $result[] = array(
                             'disabled' => $user_disabled,
-                            'value' => "GROUP:" . $this_group['id'],
-                            'content' => "G: " . $this_group['name'] . " - " . $this_group['userNb'] . " " . $user_label
+                            'value' => "GROUP:".$this_group['id'],
+                            'content' => "G: ".$this_group['name']." - ".$this_group['userNb']." ".$user_label
                         );
                     }
                 }
@@ -5452,13 +5452,13 @@ 
             foreach ($user_list as $user) {
                 if (is_array($to_already_selected)) {
                     if (!in_array(
-                        "USER:" . $user['user_id'],
+                        "USER:".$user['user_id'],
                         $to_already_selected
                     )
                     ) { // $to_already_selected is the array containing the users (and groups) that are already selected
 
                         $result[] = array(
-                            'value' => "USER:" . $user['user_id'],
+                            'value' => "USER:".$user['user_id'],
                             'content' => api_get_person_name($user['firstname'], $user['lastname'])
                         );
                     }
@@ -5487,7 +5487,7 @@ 
     {
         $category_id = intval($category_id);
         $info = Database::fetch_array(
-            Database::query('SELECT course_code FROM ' . Database::get_main_table(TABLE_MAIN_GRADEBOOK_CATEGORY) . '
+            Database::query('SELECT course_code FROM '.Database::get_main_table(TABLE_MAIN_GRADEBOOK_CATEGORY).'
             WHERE id=' . $category_id), 'ASSOC'
         );
         return $info ? $info['course_code'] : false;
@@ -5503,15 +5503,14 @@ 
     public static function getCoursesWithoutSession($startDate = null, $endDate = null, $includeClosed = false)
     {
         $dateConditional = ($startDate && $endDate) ?
-            " WHERE session_id IN (SELECT id FROM " . Database::get_main_table(TABLE_MAIN_SESSION) .
-            " WHERE access_start_date = '$startDate' AND access_end_date = '$endDate')" :
-            null;
+            " WHERE session_id IN (SELECT id FROM ".Database::get_main_table(TABLE_MAIN_SESSION).
+            " WHERE access_start_date = '$startDate' AND access_end_date = '$endDate')" : null;
         $visibility = ($includeClosed ? '' : 'visibility NOT IN (0, 4) AND ');
 
         $query = "SELECT id, code, title
-                FROM " . Database::get_main_table(TABLE_MAIN_COURSE). "
+                FROM " . Database::get_main_table(TABLE_MAIN_COURSE)."
                 WHERE $visibility code NOT IN (
-                    SELECT DISTINCT course_code FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE) . $dateConditional . ")
+                    SELECT DISTINCT course_code FROM ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE).$dateConditional.")
                 ORDER BY id";
 
         $result = Database::query($query);
@@ -5544,7 +5543,7 @@ 
                 FROM $courseTable c
                 INNER JOIN $courseUserTable cru ON c.id = cru.c_id
                 WHERE (
-                    cru.user_id IN (" . implode(', ', $userIdList) . ")
+                    cru.user_id IN (".implode(', ', $userIdList).")
                     AND cru.relation_type = 0
                 )";
 
@@ -5559,7 +5558,7 @@ 
                         INNER JOIN $courseAccessUrlTable crau ON c.id = crau.c_id
                         WHERE crau.access_url_id = $accessUrlId
                             AND (
-                            cru.id_user IN (" . implode(', ', $userIdList) . ") AND
+                            cru.id_user IN (".implode(', ', $userIdList).") AND
                             cru.relation_type = 0
                         )";
             }
@@ -5668,7 +5667,7 @@ 
 
         $without_special_courses = '';
         if (!empty($special_course_list)) {
-            $without_special_courses = ' AND course.code NOT IN ("'.implode('","',$special_course_list).'")';
+            $without_special_courses = ' AND course.code NOT IN ("'.implode('","', $special_course_list).'")';
         }
 
         //AND course_rel_user.relation_type<>".COURSE_RELATION_TYPE_RRHH."
@@ -5724,11 +5723,11 @@ 
 
         if (api_is_platform_admin()) {
             if ($loadDirs) {
-                $params['right_actions'] .= '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview" href="javascript:void(0);">'.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
-                $params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
+                $params['right_actions'] .= '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview" href="javascript:void(0);">'.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'), ICON_SIZE_SMALL).'</a>';
+                $params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'), ICON_SIZE_SMALL).'</a>';
                 $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class'=>'document_preview_container'));
             } else {
-                $params['right_actions'].= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
+                $params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'), ICON_SIZE_SMALL).'</a>';
             }
 
             if ($course_info['status'] == COURSEMANAGER) {
@@ -5737,11 +5736,11 @@ 
         } else {
             if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED) {
                 if ($loadDirs) {
-                    $params['right_actions'] .= '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview" href="javascript:void(0);">'.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
+                    $params['right_actions'] .= '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview" href="javascript:void(0);">'.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'), ICON_SIZE_SMALL).'</a>';
                     $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class'=>'document_preview_container'));
                 } else {
                     if ($course_info['status'] == COURSEMANAGER) {
-                        $params['right_actions'].= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
+                        $params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'), ICON_SIZE_SMALL).'</a>';
                     }
                 }
             }
@@ -5752,7 +5751,7 @@ 
             $course_title_url = api_get_path(WEB_COURSE_PATH).$course_info['path'].'/?id_session=0';
             $course_title = Display::url($course_info['title'], $course_title_url);
         } else {
-            $course_title = $course_info['title']." ".Display::tag('span',get_lang('CourseClosed'), array('class'=>'item_closed'));
+            $course_title = $course_info['title']." ".Display::tag('span', get_lang('CourseClosed'), array('class'=>'item_closed'));
         }
 
         // Start displaying the course block itself

Braces +2 added lines, -2 removed lines

@@ -1880,7 +1880,7 @@ 
                         $html .= Display::tag('li', Display::return_icon('teacher.png', $teacher, null, ICON_SIZE_TINY) . ' ' . $teacher);
                     }
                     $html .= '</ul>';
-                }else{
+                } else{
                     $html .= array_to_string($list, $separator);
                 }
             }
@@ -3236,7 +3236,7 @@ 
             $html .= '<a class="thumbnail" href="'.$params['link'].'">';
             $html .= $params['icon'];
             $html .= '</a>';
-        }else{
+        } else{
             $html .= $params['icon'];
         }
         $html .= '</div>';

main/inc/lib/course_category.lib.php

Doc Comments +4 added lines, -5 removed lines

@@ -111,7 +111,7 @@ 
  * @param string $canHaveCourses
  * @param int $parent_id
  *
- * @return bool
+ * @return false|string
  */
 function addNode($code, $name, $canHaveCourses, $parent_id)
 {
@@ -306,8 +306,7 @@ 
 /**
  * Counts the number of children categories a category has
  * @param int   $categoryId The ID of the category of which we want to count the children
- * @param int   $count  The number of subcategories we counted this far
- * @return mixed The number of subcategories this category has
+ * @return integer The number of subcategories this category has
  */
 function courseCategoryChildrenCount($categoryId)
 {
@@ -474,7 +473,7 @@ 
 /**
  * @param int $id
  *
- * @return bool
+ * @return false|null
  */
 function addToUrl($id)
 {
@@ -970,7 +969,7 @@ 
  * Get Pagination HTML div
  * @param $pageCurrent
  * @param $pageLength
- * @param $pageTotal
+ * @param integer $pageTotal
  * @return string
  */
 function getCataloguePagination($pageCurrent, $pageLength, $pageTotal)

Spacing +32 added lines, -34 removed lines

@@ -68,7 +68,7 @@ 
 
     $parentIdCondition = " AND (t1.parent_id IS NULL OR t1.parent_id = '' )";
     if (!empty($category)) {
-        $parentIdCondition =  " AND t1.parent_id  = '$category' ";
+        $parentIdCondition = " AND t1.parent_id  = '$category' ";
     }
 
     $sql = "SELECT
@@ -99,7 +99,7 @@ 
 
     $categories = Database::store_result($result);
     foreach ($categories as $category) {
-        $category['nbr_courses'] =  1;
+        $category['nbr_courses'] = 1;
     }
 
     return $categories;
@@ -196,13 +196,13 @@ 
     if ($row = Database::fetch_array($result)) {
         if (!empty($row['parent_id'])) {
             Database::query("UPDATE $tbl_course SET category_code = '".$row['parent_id']."' WHERE category_code='$node'");
-            Database::query("UPDATE $tbl_category SET parent_id='" . $row['parent_id'] . "' WHERE parent_id='$node'");
+            Database::query("UPDATE $tbl_category SET parent_id='".$row['parent_id']."' WHERE parent_id='$node'");
         } else {
             Database::query("UPDATE $tbl_course SET category_code='' WHERE category_code='$node'");
             Database::query("UPDATE $tbl_category SET parent_id=NULL WHERE parent_id='$node'");
         }
 
-        Database::query("UPDATE $tbl_category SET tree_pos=tree_pos-1 WHERE tree_pos > '" . $row['tree_pos'] . "'");
+        Database::query("UPDATE $tbl_category SET tree_pos=tree_pos-1 WHERE tree_pos > '".$row['tree_pos']."'");
         Database::query("DELETE FROM $tbl_category WHERE code='$node'");
 
         if (!empty($row['parent_id'])) {
@@ -291,13 +291,13 @@ 
     }
 
     $sql = "UPDATE $tbl_category
-            SET tree_pos ='" . $row['tree_pos'] . "'
+            SET tree_pos ='".$row['tree_pos']."'
             WHERE code='$code'";
     Database::query($sql);
 
     $sql = "UPDATE $tbl_category
             SET tree_pos = '$tree_pos'
-            WHERE code= '" . $row['code'] . "'";
+            WHERE code= '".$row['code']."'";
     Database::query($sql);
 
     return true;
@@ -424,12 +424,12 @@ 
 
         $editIcon = Display::return_icon('edit.png', get_lang('EditNode'), null, ICON_SIZE_SMALL);
         $deleteIcon = Display::return_icon('delete.png', get_lang('DeleteNode'), null, ICON_SIZE_SMALL);
-        $moveIcon =  Display::return_icon('up.png', get_lang('UpInSameLevel'), null, ICON_SIZE_SMALL);
+        $moveIcon = Display::return_icon('up.png', get_lang('UpInSameLevel'), null, ICON_SIZE_SMALL);
 
         foreach ($categories as $category) {
 
             $editUrl = $mainUrl.'&id='.$category['code'].'&action=edit';
-            $moveUrl  = $mainUrl.'&id='.$category['code'].'&action=moveUp&tree_pos='.$category['tree_pos'];
+            $moveUrl = $mainUrl.'&id='.$category['code'].'&action=moveUp&tree_pos='.$category['tree_pos'];
             $deleteUrl = $mainUrl.'&id='.$category['code'].'&action=delete';
 
             $actions = Display::url($editIcon, $editUrl).Display::url($moveIcon, $moveUrl).Display::url($deleteIcon, $deleteUrl);
@@ -563,12 +563,12 @@ 
 
     $count_courses = countCoursesInCategory();
 
-    $categories[0][count($categories[0])+1] = array(
+    $categories[0][count($categories[0]) + 1] = array(
         'id' =>0,
         'name' => get_lang('None'),
         'code' => 'NONE',
         'parent_id' => null,
-        'tree_pos' => $row['tree_pos']+1,
+        'tree_pos' => $row['tree_pos'] + 1,
         'children_count' => 0,
         'auth_course_child' => true,
         'auth_cat_child' => true,
@@ -583,7 +583,7 @@ 
  * @param string $searchTerm
  * @return int
  */
-function countCoursesInCategory($category_code="", $searchTerm = '')
+function countCoursesInCategory($category_code = "", $searchTerm = '')
 {
     $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
     $categoryCode = Database::escape_string($category_code);
@@ -595,7 +595,7 @@ 
 
     $without_special_courses = '';
     if (!empty($specialCourseList)) {
-        $without_special_courses = ' AND course.code NOT IN ("' . implode('","', $specialCourseList) . '")';
+        $without_special_courses = ' AND course.code NOT IN ("'.implode('","', $specialCourseList).'")';
     }
 
     $visibilityCondition = null;
@@ -609,15 +609,15 @@ 
     if ($categoryCode == 'ALL') {
         // Nothing to do
     } elseif ($categoryCode == 'NONE') {
-        $categoryFilter =  ' AND category_code = "" ';
+        $categoryFilter = ' AND category_code = "" ';
     } else {
-        $categoryFilter =  ' AND category_code = "' . $categoryCode . '" ';
+        $categoryFilter = ' AND category_code = "'.$categoryCode.'" ';
     }
 
     if (!empty($searchTerm)) {
-        $searchFilter = ' AND (code LIKE "%' . $searchTerm . '%"
-            OR title LIKE "%' . $searchTerm . '%"
-            OR tutor_name LIKE "%' . $searchTerm . '%") ';
+        $searchFilter = ' AND (code LIKE "%'.$searchTerm.'%"
+            OR title LIKE "%' . $searchTerm.'%"
+            OR tutor_name LIKE "%' . $searchTerm.'%") ';
     }
 
     $sql = "SELECT * FROM $tbl_course
@@ -668,7 +668,7 @@ 
 
     $without_special_courses = '';
     if (!empty($specialCourseList)) {
-        $without_special_courses = ' AND course.code NOT IN ("' . implode('","', $specialCourseList) . '")';
+        $without_special_courses = ' AND course.code NOT IN ("'.implode('","', $specialCourseList).'")';
     }
     $visibilityCondition = null;
     $hidePrivate = api_get_setting('course_catalog_hide_private');
@@ -716,7 +716,7 @@ 
         $id_in = null;
         while (list($id) = Database::fetch_row($result)) {
             if ($id_in) {
-                $id_in.=",$id";
+                $id_in .= ",$id";
             } else {
                 $id_in = "$id";
             }
@@ -937,11 +937,9 @@ 
 function getLimitArray()
 {
     $pageCurrent = isset($_REQUEST['pageCurrent']) ?
-        intval($_GET['pageCurrent']) :
-        1;
+        intval($_GET['pageCurrent']) : 1;
     $pageLength = isset($_REQUEST['pageLength']) ?
-        intval($_GET['pageLength']) :
-        10;
+        intval($_GET['pageLength']) : 10;
     return array(
         'start' => ($pageCurrent - 1) * $pageLength,
         'current' => $pageCurrent,
@@ -960,7 +958,7 @@ 
     if (!empty($limit) && is_array($limit)) {
         $limitStart = isset($limit['start']) ? $limit['start'] : 0;
         $limitLength = isset($limit['length']) ? $limit['length'] : 10;
-        $limitFilter = 'LIMIT ' . $limitStart . ', ' . $limitLength;
+        $limitFilter = 'LIMIT '.$limitStart.', '.$limitLength;
     }
 
     return $limitFilter;
@@ -977,7 +975,7 @@ 
 {
     // Start empty html
     $pageDiv = '';
-    $html='';
+    $html = '';
     $pageBottom = max(1, $pageCurrent - 3);
     $pageTop = min($pageTotal, $pageCurrent + 3);
 
@@ -1052,21 +1050,21 @@ 
     $hiddenLinks = isset($hiddenLinks) ? Security::remove_XSS($hiddenLinksRequest) : $categoryCodeRequest;
 
         // Start URL with params
-    $pageUrl = api_get_self() .
-        '?action=' . $action .
-        '&category_code=' .$categoryCode.
-        '&hidden_links=' .$hiddenLinks.
-        '&pageCurrent=' . $pageCurrent .
-        '&pageLength=' . $pageLength
+    $pageUrl = api_get_self().
+        '?action='.$action.
+        '&category_code='.$categoryCode.
+        '&hidden_links='.$hiddenLinks.
+        '&pageCurrent='.$pageCurrent.
+        '&pageLength='.$pageLength
     ;
 
     switch ($action) {
         case 'subscribe' :
             // for search
             $pageUrl .=
-                '&search_term=' . $searchTerm .
-                '&search_course=1' .
-                '&sec_token=' . $_SESSION['sec_token'];
+                '&search_term='.$searchTerm.
+                '&search_course=1'.
+                '&sec_token='.$_SESSION['sec_token'];
             break;
         case 'display_courses' :
             // No break

main/inc/lib/course_description.lib.php

Doc Comments +6 added lines, -6 removed lines

@@ -95,7 +95,7 @@ 
      * Get all data by description and session id,
      * first you must set session_id property with the object CourseDescription
      * @param    int  $description_type Description type
-     * @param   string $course_code Course code (optional)
+     * @param   string $courseId Course code (optional)
      * @param    int $session_id Session id (optional)
      * @return array    List of fields from the descriptions found of the given type
      */
@@ -359,7 +359,7 @@ 
 
     /**
      * Get description titles by default
-     * @return array
+     * @return string[]
      */
     public function get_default_description_title()
     {
@@ -378,7 +378,7 @@ 
 
     /**
      * Get description titles editable by default
-     * @return array
+     * @return boolean[]
      */
     public function get_default_description_title_editable()
     {
@@ -397,7 +397,7 @@ 
 
     /**
      * Get description icons by default
-     * @return array
+     * @return string[]
      */
     public function get_default_description_icon()
     {
@@ -417,7 +417,7 @@ 
 
     /**
      * Get questions by default for help
-     * @return array
+     * @return string[]
      */
     public function get_default_question()
     {
@@ -436,7 +436,7 @@ 
 
     /**
      * Get informations by default for help
-     * @return array
+     * @return string[]
      */
     public function get_default_information()
     {

Spacing +5 added lines, -5 removed lines

@@ -176,7 +176,7 @@ 
 
         $sql = "SELECT MAX(description_type) as MAX
                 FROM $tbl_course_description
-		        WHERE c_id = $course_id AND session_id='" . $this->session_id . "'";
+		        WHERE c_id = $course_id AND session_id='".$this->session_id."'";
         $rs = Database::query($sql);
         $max = Database::fetch_array($rs);
         $description_type = $max['MAX'] + 1;
@@ -211,7 +211,7 @@ 
             'session_id' => $this->session_id
         ];
 
-        $last_id  = Database::insert($table, $params);
+        $last_id = Database::insert($table, $params);
 
         if ($last_id > 0) {
             $sql = "UPDATE $table SET id = iid WHERE iid = $last_id";
@@ -319,8 +319,8 @@ 
         $sql = "DELETE FROM $tbl_course_description
 			 	WHERE
 			 	    c_id = $course_id AND
-			 	    id = '" . intval($this->id) . "' AND
-			 	    session_id = '" . intval($this->session_id) . "'";
+			 	    id = '".intval($this->id)."' AND
+			 	    session_id = '" . intval($this->session_id)."'";
         $result = Database::query($sql);
         $affected_rows = Database::affected_rows($result);
         if ($this->id > 0) {
@@ -349,7 +349,7 @@ 
         $course_id = api_get_course_int_id();
 
         $sql = "SELECT id FROM $tbl_course_description
-		        WHERE c_id = $course_id AND description_type = '" . intval($description_type) . "'";
+		        WHERE c_id = $course_id AND description_type = '".intval($description_type)."'";
         $rs = Database::query($sql);
         $row = Database::fetch_array($rs);
         $description_id = $row['id'];

main/inc/lib/course_home.lib.php

Doc Comments +3 added lines, -2 removed lines

@@ -213,7 +213,7 @@ 
     /**
      * Displays the tools of a certain category.
      *
-     * @return void
+     * @return string
      * @param string $course_tool_category	contains the category of tools to display:
      * "Public", "PublicButHide", "courseAdmin", "claroAdmin"
      */
@@ -650,7 +650,7 @@ 
      * @param array $all_tools_list List of tools as returned by get_tools_category()
      * @param bool  $rows
      *
-     * @return void
+     * @return string
      */
     public static function show_tools_category($all_tools_list, $rows = false)
     {
@@ -1194,6 +1194,7 @@ 
 
     /**
      * Show a toolbar with shortcuts to the course tool
+     * @param integer $orientation
      */
     public static function show_navigation_tool_shortcuts($orientation = SHORTCUTS_HORIZONTAL)
     {

Spacing +4 added lines, -4 removed lines

@@ -351,7 +351,7 @@ 
                         array(),
                         null,
                         ICON_SIZE_MEDIUM
-                    ) . '&nbsp;' . $tool_name . '</a>';
+                    ).'&nbsp;'.$tool_name.'</a>';
 
                 // This part displays the links to hide or remove a tool.
                 // These links are only visible by the course manager.
@@ -678,7 +678,7 @@ 
         $session_id = api_get_session_id();
         $is_platform_admin = api_is_platform_admin();
 
-        if ($session_id == 0 ) {
+        if ($session_id == 0) {
             $is_allowed_to_edit = api_is_allowed_to_edit(null, true) && api_is_course_admin();
         } else {
             $is_allowed_to_edit = api_is_allowed_to_edit(null, true) && !api_is_coach();
@@ -1255,7 +1255,7 @@ 
             return array();
         }
 
-        $table  = Database::get_course_table(TABLE_TOOL_LIST);
+        $table = Database::get_course_table(TABLE_TOOL_LIST);
         $sql = "SELECT * FROM $table
                 WHERE category in ('authoring','interaction')
                 AND c_id = $courseId
@@ -1361,7 +1361,7 @@ 
             $temp = new Image($path);
             $r = $temp->convert2bw();
             $ext = pathinfo($path, PATHINFO_EXTENSION);
-            $bwPath = substr($path,0,-(strlen($ext)+1)) . '_na.' . $ext;
+            $bwPath = substr($path, 0, -(strlen($ext) + 1)).'_na.'.$ext;
 
             if ($r === false) {
                 error_log('Conversion to B&W of '.$path.' failed in '.__FILE__.' at line '.__LINE__);

Braces +3 added lines, -3 removed lines

@@ -1200,9 +1200,9 @@
         $navigation_items = self::get_navigation_items(false);
         $html = '';
         if (!empty($navigation_items)) {
-            if ($orientation == SHORTCUTS_HORIZONTAL)
-                $style_id = "toolshortcuts_horizontal";
-            else {
+            if ($orientation == SHORTCUTS_HORIZONTAL) {
+                            $style_id = "toolshortcuts_horizontal";
+            } else {
                 $style_id = "toolshortcuts_vertical";
             }
             $html .= '<div id="'.$style_id.'">';

main/inc/lib/course_request.lib.php

Doc Comments +3 added lines, -3 removed lines

@@ -18,7 +18,7 @@ 
     /**
      * Checks whether a given course code has been already occupied.
      * @param string $wanted_course_code    The code to be checked.
-     * @return string
+     * @return boolean
      * Returns TRUE if there is created:
      * - a course with the same code OR visual_code (visualcode).
      * - a course request with the same code as the given one, or
@@ -368,7 +368,7 @@ 
     }
 
     /**
-     * @param null $status
+     * @param integer $status
      * @return bool
      */
     public static function count_course_requests($status = null)
@@ -390,7 +390,7 @@ 
 
     /**
      * Gets all the information about a course request using its database id as an access key.
-     * @param int/string $id              The id (an integer number) of the corresponding database record.
+     * @param integer $id              The id (an integer number) of the corresponding database record.
      * @return array/bool                 Returns the requested data as an array or FALSE on failure.
      */
     public static function get_course_request_info($id)

Spacing +14 added lines, -14 removed lines

@@ -65,8 +65,8 @@ 
         $exemplary_content
     ) {
         $wanted_code = trim($wanted_code);
-        $user_id = (int)$user_id;
-        $exemplary_content = (bool)$exemplary_content ? 1 : 0;
+        $user_id = (int) $user_id;
+        $exemplary_content = (bool) $exemplary_content ? 1 : 0;
 
         if ($wanted_code == '') {
             return false;
@@ -254,10 +254,10 @@ 
         $user_id,
         $exemplary_content
     ) {
-        $id = (int)$id;
+        $id = (int) $id;
         $wanted_code = trim($wanted_code);
-        $user_id = (int)$user_id;
-        $exemplary_content = (bool)$exemplary_content ? 1 : 0;
+        $user_id = (int) $user_id;
+        $exemplary_content = (bool) $exemplary_content ? 1 : 0;
 
         if ($wanted_code == '') {
             return false;
@@ -360,7 +360,7 @@ 
      */
     public static function delete_course_request($id)
     {
-        $id = (int)$id;
+        $id = (int) $id;
         $sql = "DELETE FROM ".Database :: get_main_table(TABLE_MAIN_COURSE_REQUEST)."
                 WHERE id = ".$id;
         $result = Database::query($sql);
@@ -377,7 +377,7 @@ 
         if (is_null($status)) {
             $sql = "SELECT COUNT(id) AS number FROM ".$course_table;
         } else {
-            $status = (int)$status;
+            $status = (int) $status;
             $sql = "SELECT COUNT(id) AS number FROM ".$course_table."
                     WHERE status = ".$status;
         }
@@ -395,7 +395,7 @@ 
      */
     public static function get_course_request_info($id)
     {
-        $id = (int)$id;
+        $id = (int) $id;
         $sql = "SELECT *
                 FROM ".Database :: get_main_table(TABLE_MAIN_COURSE_REQUEST)."
                 WHERE id = ".$id;
@@ -413,7 +413,7 @@ 
      */
     public static function get_course_request_code($id)
     {
-        $id = (int)$id;
+        $id = (int) $id;
         $sql = "SELECT code
                 FROM ".Database :: get_main_table(TABLE_MAIN_COURSE_REQUEST)."
                 WHERE id = ".$id;
@@ -434,7 +434,7 @@ 
      */
     public static function accept_course_request($id)
     {
-        $id = (int)$id;
+        $id = (int) $id;
 
         // Retrieve request's data
         $course_request_info = self::get_course_request_info($id);
@@ -447,7 +447,7 @@ 
             return false;
         }*/
 
-        $user_id = (int)$course_request_info['user_id'];
+        $user_id = (int) $course_request_info['user_id'];
         if ($user_id <= 0) {
             return false;
         }
@@ -531,7 +531,7 @@ 
      */
     public static function reject_course_request($id)
     {
-        $id = (int)$id;
+        $id = (int) $id;
         // Retrieve request's data
         $course_request_info = self::get_course_request_info($id);
         if (!is_array($course_request_info)) {
@@ -609,7 +609,7 @@ 
      */
     public static function ask_for_additional_info($id)
     {
-        $id = (int)$id;
+        $id = (int) $id;
 
         // Retrieve request's data
         $course_request_info = self::get_course_request_info($id);
@@ -700,7 +700,7 @@ 
      */
     public static function additional_info_asked($id)
     {
-        $id = (int)$id;
+        $id = (int) $id;
         $sql = "SELECT id FROM ".Database :: get_main_table(TABLE_MAIN_COURSE_REQUEST)."
                 WHERE (id = ".$id." AND info > 0)";
         $result = Database::num_rows(Database::query($sql));

main/inc/lib/dashboard.lib.php

Doc Comments +1 added lines

@@ -493,6 +493,7 @@
 	 * This function update extra user blocks data after closing a dashboard block
 	 * @param int 		User id
 	 * @param string	plugin path
+	 * @param integer $user_id
 	 * @return bool
 	 */
 	public static function close_user_block($user_id, $path)

Indentation +255 added lines, -255 removed lines

@@ -249,282 +249,282 @@
         return $affected_rows;
     }
 
-	/**
-	 * Get all plugins path inside dashboard directory
-	 * @return array name plugins directories
-	 */
-	public static function getPossibleDashboardPluginsPath()
+    /**
+     * Get all plugins path inside dashboard directory
+     * @return array name plugins directories
+     */
+    public static function getPossibleDashboardPluginsPath()
     {
-		// get all plugins path inside plugin directory
-		/* We scan the plugin directory. Each folder is a potential plugin. */
-		$possiblePlugins = array();
-		$dashboard_pluginpath = api_get_path(SYS_PLUGIN_PATH).'dashboard/';
-		$handle = @opendir($dashboard_pluginpath);
-		while (false !== ($file = readdir($handle))) {
-			if ($file <> '.' AND $file <> '..' AND is_dir($dashboard_pluginpath.$file)) {
-				$possiblePlugins[] = $file;
-			}
-		}
-		@closedir($handle);
-
-		return $possiblePlugins;
-	}
-
-	/**
-	 * Get all blocks data without plugin directory
-	 * @return array Block data
-	 */
-	public static function get_block_data_without_plugin()
+        // get all plugins path inside plugin directory
+        /* We scan the plugin directory. Each folder is a potential plugin. */
+        $possiblePlugins = array();
+        $dashboard_pluginpath = api_get_path(SYS_PLUGIN_PATH).'dashboard/';
+        $handle = @opendir($dashboard_pluginpath);
+        while (false !== ($file = readdir($handle))) {
+            if ($file <> '.' AND $file <> '..' AND is_dir($dashboard_pluginpath.$file)) {
+                $possiblePlugins[] = $file;
+            }
+        }
+        @closedir($handle);
+
+        return $possiblePlugins;
+    }
+
+    /**
+     * Get all blocks data without plugin directory
+     * @return array Block data
+     */
+    public static function get_block_data_without_plugin()
     {
-		$tbl_block = Database :: get_main_table(TABLE_MAIN_BLOCK);
-		$possibleplugins = self::getPossibleDashboardPluginsPath();
-
-		// We check if plugin exists inside directory for updating active field
-		$sql = "SELECT * FROM $tbl_block";
-		$rs = Database::query($sql);
-		if (Database::num_rows($rs) > 0){
-			while ($row = Database::fetch_array($rs)) {
-				$path = $row['path'];
-				if (!in_array($row['path'],$possibleplugins)) {
-					$active = 0;
-				} else {
-					$active = 1;
-				}
-				// update active
-				$upd = "UPDATE $tbl_block SET active = '$active'
+        $tbl_block = Database :: get_main_table(TABLE_MAIN_BLOCK);
+        $possibleplugins = self::getPossibleDashboardPluginsPath();
+
+        // We check if plugin exists inside directory for updating active field
+        $sql = "SELECT * FROM $tbl_block";
+        $rs = Database::query($sql);
+        if (Database::num_rows($rs) > 0){
+            while ($row = Database::fetch_array($rs)) {
+                $path = $row['path'];
+                if (!in_array($row['path'],$possibleplugins)) {
+                    $active = 0;
+                } else {
+                    $active = 1;
+                }
+                // update active
+                $upd = "UPDATE $tbl_block SET active = '$active'
 				        WHERE path = '".$row['path']."'";
-				Database::query($upd);
-			}
-		}
-
-		// get disabled block data
-		$block_data = array();
-		$sql = "SELECT * FROM $tbl_block WHERE active = 0";
-		$rs_block = Database::query($sql);
-		if (Database::num_rows($rs_block) > 0) {
-			while ($row_block = Database::fetch_array($rs_block)) {
-				$block_data[] = $row_block;
-			}
-		}
-
-		return $block_data;
-
-	}
-
-	/**
-	 * get data about enabled dashboard block (stored insise block table)
-	 * @param  string	plugin path
-	 * @return array 	data
-	 */
-	public static function get_enabled_dashboard_blocks($path = '')
+                Database::query($upd);
+            }
+        }
+
+        // get disabled block data
+        $block_data = array();
+        $sql = "SELECT * FROM $tbl_block WHERE active = 0";
+        $rs_block = Database::query($sql);
+        if (Database::num_rows($rs_block) > 0) {
+            while ($row_block = Database::fetch_array($rs_block)) {
+                $block_data[] = $row_block;
+            }
+        }
+
+        return $block_data;
+
+    }
+
+    /**
+     * get data about enabled dashboard block (stored insise block table)
+     * @param  string	plugin path
+     * @return array 	data
+     */
+    public static function get_enabled_dashboard_blocks($path = '')
     {
-		$tbl_block = Database :: get_main_table(TABLE_MAIN_BLOCK);
-		$condition_path = '';
-		if (!empty($path)) {
-			$path = Database::escape_string($path);
-			$condition_path = ' AND path = "'.$path.'" ';
-		}
-
-		$sql = "SELECT * FROM $tbl_block WHERE active = 1 $condition_path ";
-		$rs  = Database::query($sql);
-		$block_data = array();
-		if (Database::num_rows($rs) > 0) {
-			while ($row = Database::fetch_array($rs)) {
-				$block_data[$row['path']] = $row;
-			}
-		}
-		return $block_data;
-	}
-
-	/**
-	 * display user dashboard list
-	 * @param int  User id
-	 * @return void
-	 */
-	public static function display_user_dashboard_list($user_id)
+        $tbl_block = Database :: get_main_table(TABLE_MAIN_BLOCK);
+        $condition_path = '';
+        if (!empty($path)) {
+            $path = Database::escape_string($path);
+            $condition_path = ' AND path = "'.$path.'" ';
+        }
+
+        $sql = "SELECT * FROM $tbl_block WHERE active = 1 $condition_path ";
+        $rs  = Database::query($sql);
+        $block_data = array();
+        if (Database::num_rows($rs) > 0) {
+            while ($row = Database::fetch_array($rs)) {
+                $block_data[$row['path']] = $row;
+            }
+        }
+        return $block_data;
+    }
+
+    /**
+     * display user dashboard list
+     * @param int  User id
+     * @return void
+     */
+    public static function display_user_dashboard_list($user_id)
     {
-		$enabled_dashboard_plugins = self::get_enabled_dashboard_blocks();
-		$user_block_data = self::get_user_block_data($user_id);
-
-		if (count($enabled_dashboard_plugins) > 0) {
-			echo '<div style="margin-top:20px">';
-			echo '<div><strong>'.get_lang('SelectBlockForDisplayingInsideBlocksDashboardView').'</strong></div><br />';
-			echo '<form name="dashboard_list" method="post" action="index.php?action=store_user_block">';
-			echo '<table class="data_table">';
-			echo '<tr>';
-			echo '<th width="5%">';
-			echo get_lang('Enabled');
-			echo '</th>';
-			echo '<th width="30%">';
-			echo get_lang('Name');
-			echo '</th>';
-			echo '<th width="40%">';
-			echo get_lang('Description');
-			echo '</th>';
-			echo '<th>';
-			echo get_lang('ColumnPosition');
-			echo '</th>';
-			echo '</tr>';
-
-			// We display all enabled plugins and the checkboxes
-			foreach ($enabled_dashboard_plugins as $block) {
-
-				$path = $block['path'];
-				$controller_class = $block['controller'];
-				$filename_controller = $path.'.class.php';
-				$dashboard_plugin_path = api_get_path(SYS_PLUGIN_PATH).'dashboard/'.$path.'/';
-				require_once $dashboard_plugin_path.$filename_controller;
-				if (class_exists($controller_class)) {
-					$obj_block = new $controller_class($user_id);
-
-					// check if user is allowed to see the block
-					if (method_exists($obj_block, 'is_block_visible_for_user')) {
-						$is_block_visible_for_user = $obj_block->is_block_visible_for_user($user_id);
-						if (!$is_block_visible_for_user) continue;
-					}
-
-					echo '<tr>';
-					// checkboxes
-					self::display_user_dashboard_list_checkboxes($user_id, $block['id']);
-					echo '<td>'.$block['name'].'</td>';
-					echo '<td>'.$block['description'].'</td>';
-					echo '<td>
+        $enabled_dashboard_plugins = self::get_enabled_dashboard_blocks();
+        $user_block_data = self::get_user_block_data($user_id);
+
+        if (count($enabled_dashboard_plugins) > 0) {
+            echo '<div style="margin-top:20px">';
+            echo '<div><strong>'.get_lang('SelectBlockForDisplayingInsideBlocksDashboardView').'</strong></div><br />';
+            echo '<form name="dashboard_list" method="post" action="index.php?action=store_user_block">';
+            echo '<table class="data_table">';
+            echo '<tr>';
+            echo '<th width="5%">';
+            echo get_lang('Enabled');
+            echo '</th>';
+            echo '<th width="30%">';
+            echo get_lang('Name');
+            echo '</th>';
+            echo '<th width="40%">';
+            echo get_lang('Description');
+            echo '</th>';
+            echo '<th>';
+            echo get_lang('ColumnPosition');
+            echo '</th>';
+            echo '</tr>';
+
+            // We display all enabled plugins and the checkboxes
+            foreach ($enabled_dashboard_plugins as $block) {
+
+                $path = $block['path'];
+                $controller_class = $block['controller'];
+                $filename_controller = $path.'.class.php';
+                $dashboard_plugin_path = api_get_path(SYS_PLUGIN_PATH).'dashboard/'.$path.'/';
+                require_once $dashboard_plugin_path.$filename_controller;
+                if (class_exists($controller_class)) {
+                    $obj_block = new $controller_class($user_id);
+
+                    // check if user is allowed to see the block
+                    if (method_exists($obj_block, 'is_block_visible_for_user')) {
+                        $is_block_visible_for_user = $obj_block->is_block_visible_for_user($user_id);
+                        if (!$is_block_visible_for_user) continue;
+                    }
+
+                    echo '<tr>';
+                    // checkboxes
+                    self::display_user_dashboard_list_checkboxes($user_id, $block['id']);
+                    echo '<td>'.$block['name'].'</td>';
+                    echo '<td>'.$block['description'].'</td>';
+                    echo '<td>
                             <select class="selectpicker show-tick form-control" name="columns['.$block['id'].']">
                             <option value="1" '.(isset($user_block_data[$block['id']]) && $user_block_data[$block['id']]['column']==1?'selected':'').' >1</option>
                             <option value="2" '.(isset($user_block_data[$block['id']]) && $user_block_data[$block['id']]['column']==2?'selected':'').' >2</option>
                             </select>
                           </td>';
-					echo '</tr>';
-				} else {
-					echo Display::tag('tr',  Display::tag('td', get_lang('Error').' '.$controller_class, array('colspan'=>'3')));
-				}
-			}
-
-			echo '</table>';
-			echo '<div class="row"><div class="col-md-12">';
-			echo '<button class="btn btn-default" type="submit" name="submit_dashboard_list" value="'.get_lang('EnableDashboardBlock').'"><em class="fa fa-check-square"></em> '.
+                    echo '</tr>';
+                } else {
+                    echo Display::tag('tr',  Display::tag('td', get_lang('Error').' '.$controller_class, array('colspan'=>'3')));
+                }
+            }
+
+            echo '</table>';
+            echo '<div class="row"><div class="col-md-12">';
+            echo '<button class="btn btn-default" type="submit" name="submit_dashboard_list" value="'.get_lang('EnableDashboardBlock').'"><em class="fa fa-check-square"></em> '.
                 get_lang('EnableDashboardBlock').'</button></form>';
-			echo '</div></div>';
-		} else {
-			echo '<div style="margin-top:20px">'.get_lang('ThereAreNoEnabledDashboardPlugins').'</div>';
-			if (api_is_platform_admin()) {
-				echo '<a class="btn btn-default" href="'.api_get_path(WEB_CODE_PATH).'admin/settings.php?category=Plugins">'.
+            echo '</div></div>';
+        } else {
+            echo '<div style="margin-top:20px">'.get_lang('ThereAreNoEnabledDashboardPlugins').'</div>';
+            if (api_is_platform_admin()) {
+                echo '<a class="btn btn-default" href="'.api_get_path(WEB_CODE_PATH).'admin/settings.php?category=Plugins">'.
                     get_lang('ConfigureDashboardPlugin').'</a>';
-			}
-		}
-	}
-
-	/**
-	 * display checkboxes for user dashboard list
-	 * @param int 	User id
-	 * @param int	Block id
-	 * @return void
-	 */
-	public static function display_user_dashboard_list_checkboxes($user_id, $block_id) {
-
-		$user_id = intval($user_id);
-		$user_block_data = self::get_user_block_data($user_id);
-		$enabled_blocks_id = array_keys($user_block_data);
-
-		$checked = '';
-		if (in_array($block_id, $enabled_blocks_id)) {
-			$checked = "checked";
-		}
-
-		echo "<td align=\"center\">";
-		echo '<input type="checkbox" name="enabled_blocks['.$block_id.']" value="true" '.$checked.'/>';
-		echo "</td>";
-	}
-
-	/**
-	 * This function store enabled blocks id with its column position (block_id1:colum;block_id2:colum; ...) inside extra user fields
-	 * @param int User id
-	 * @param array selected blocks
-	 * @param array columns position
-	 * @return bool
-	 */
-	public static function store_user_blocks($user_id, $enabled_blocks, $columns) {
-		$selected_blocks_id  = array();
-		if (is_array($enabled_blocks) && count($enabled_blocks) > 0) {
-			$selected_blocks_id = array_keys($enabled_blocks);
-		}
-
-		// build data for storing inside extra user field
-		$fname = 'dashboard';
-		$fvalue = array();
-		foreach ($selected_blocks_id as $block_id) {
-			$fvalue[] = $block_id.':'.$columns[$block_id];
-		}
+            }
+        }
+    }
+
+    /**
+     * display checkboxes for user dashboard list
+     * @param int 	User id
+     * @param int	Block id
+     * @return void
+     */
+    public static function display_user_dashboard_list_checkboxes($user_id, $block_id) {
+
+        $user_id = intval($user_id);
+        $user_block_data = self::get_user_block_data($user_id);
+        $enabled_blocks_id = array_keys($user_block_data);
+
+        $checked = '';
+        if (in_array($block_id, $enabled_blocks_id)) {
+            $checked = "checked";
+        }
+
+        echo "<td align=\"center\">";
+        echo '<input type="checkbox" name="enabled_blocks['.$block_id.']" value="true" '.$checked.'/>';
+        echo "</td>";
+    }
+
+    /**
+     * This function store enabled blocks id with its column position (block_id1:colum;block_id2:colum; ...) inside extra user fields
+     * @param int User id
+     * @param array selected blocks
+     * @param array columns position
+     * @return bool
+     */
+    public static function store_user_blocks($user_id, $enabled_blocks, $columns) {
+        $selected_blocks_id  = array();
+        if (is_array($enabled_blocks) && count($enabled_blocks) > 0) {
+            $selected_blocks_id = array_keys($enabled_blocks);
+        }
+
+        // build data for storing inside extra user field
+        $fname = 'dashboard';
+        $fvalue = array();
+        foreach ($selected_blocks_id as $block_id) {
+            $fvalue[] = $block_id.':'.$columns[$block_id];
+        }
         $upd_extra_field = UserManager::update_extra_field_value(
             $user_id,
             $fname,
             $fvalue
         );
 
-		return $upd_extra_field;
+        return $upd_extra_field;
 
-	}
+    }
 
-	/**
-	 * This function get user block data (block id with its number of column) from extra user data
-	 * @param int  		User id
-	 * @return array  	data (block_id,column)
-	 */
-	public static function get_user_block_data($user_id)
+    /**
+     * This function get user block data (block id with its number of column) from extra user data
+     * @param int  		User id
+     * @return array  	data (block_id,column)
+     */
+    public static function get_user_block_data($user_id)
     {
-		$user_id = intval($user_id);
-		$field_variable = 'dashboard';
-		$extra_user_data = UserManager::get_extra_user_data_by_field($user_id, $field_variable);
-		$extra_user_data = explode(';',$extra_user_data[$field_variable]);
-		$data = array();
-		foreach ($extra_user_data as $extra) {
-			$split_extra = explode(':',$extra);
-			if (!empty($split_extra)) {
-				$block_id = $split_extra[0];
-				$column = isset($split_extra[1]) ? $split_extra[1] : null;
-				$data[$block_id] = array('block_id' => $block_id, 'column' => $column);
-			}
-		}
-
-		return $data;
-	}
-
-	/**
-	 * This function update extra user blocks data after closing a dashboard block
-	 * @param int 		User id
-	 * @param string	plugin path
-	 * @return bool
-	 */
-	public static function close_user_block($user_id, $path)
+        $user_id = intval($user_id);
+        $field_variable = 'dashboard';
+        $extra_user_data = UserManager::get_extra_user_data_by_field($user_id, $field_variable);
+        $extra_user_data = explode(';',$extra_user_data[$field_variable]);
+        $data = array();
+        foreach ($extra_user_data as $extra) {
+            $split_extra = explode(':',$extra);
+            if (!empty($split_extra)) {
+                $block_id = $split_extra[0];
+                $column = isset($split_extra[1]) ? $split_extra[1] : null;
+                $data[$block_id] = array('block_id' => $block_id, 'column' => $column);
+            }
+        }
+
+        return $data;
+    }
+
+    /**
+     * This function update extra user blocks data after closing a dashboard block
+     * @param int 		User id
+     * @param string	plugin path
+     * @return bool
+     */
+    public static function close_user_block($user_id, $path)
     {
-		$enabled_dashboard_blocks = self::get_enabled_dashboard_blocks($path);
-		$user_block_data = self::get_user_block_data($user_id);
-
-		foreach ($enabled_dashboard_blocks as $enabled_block) {
-			unset($user_block_data[$enabled_block['id']]);
-		}
-
-		// get columns and blocks id for updating extra user data
-		$columns = array();
-		$user_blocks_id = array();
-		foreach ($user_block_data as $data) {
-			$user_blocks_id[$data['block_id']] = true;
-			$columns[$data['block_id']] = $data['column'];
-		}
-
-		// update extra user blocks data
-		$upd_extra_field = self::store_user_blocks($user_id, $user_blocks_id, $columns);
-
-		return $upd_extra_field;
-	}
-
-	/**
-	 * get links for styles from dashboard plugins
-	 * @return string   links
-	 */
-	public static function get_links_for_styles_from_dashboard_plugins() {
-
-		return '<link rel="stylesheet" href="'.api_get_path(WEB_PLUGIN_PATH).'dashboard/css/default.css" type="text/css" />'.PHP_EOL;
-	}
+        $enabled_dashboard_blocks = self::get_enabled_dashboard_blocks($path);
+        $user_block_data = self::get_user_block_data($user_id);
+
+        foreach ($enabled_dashboard_blocks as $enabled_block) {
+            unset($user_block_data[$enabled_block['id']]);
+        }
+
+        // get columns and blocks id for updating extra user data
+        $columns = array();
+        $user_blocks_id = array();
+        foreach ($user_block_data as $data) {
+            $user_blocks_id[$data['block_id']] = true;
+            $columns[$data['block_id']] = $data['column'];
+        }
+
+        // update extra user blocks data
+        $upd_extra_field = self::store_user_blocks($user_id, $user_blocks_id, $columns);
+
+        return $upd_extra_field;
+    }
+
+    /**
+     * get links for styles from dashboard plugins
+     * @return string   links
+     */
+    public static function get_links_for_styles_from_dashboard_plugins() {
+
+        return '<link rel="stylesheet" href="'.api_get_path(WEB_PLUGIN_PATH).'dashboard/css/default.css" type="text/css" />'.PHP_EOL;
+    }
 
 }

Spacing +13 added lines, -13 removed lines

@@ -52,7 +52,7 @@ 
 
                 echo '<tr>';
                 self::display_dashboard_plugin_checkboxes($testplugin);
-                for ($i = 0 ; $i < count($table_cols); $i++) {
+                for ($i = 0; $i < count($table_cols); $i++) {
                     if (isset($plugin_info[strtolower($table_cols[$i])])) {
                         echo '<td>';
                         echo $plugin_info[$table_cols[$i]];
@@ -67,7 +67,7 @@ 
                     echo Display::tag(
                         'tr',
                         Display::tag('td',
-                            get_lang('CheckFilePermissions') . ' ' . Security::remove_XSS($plugin_info_file),
+                            get_lang('CheckFilePermissions').' '.Security::remove_XSS($plugin_info_file),
                             array('colspan' => '3'))
                     );
                 }
@@ -79,7 +79,7 @@ 
             foreach ($disabled_blocks_data as $disabled_block) {
                 echo '<tr style="background-color:#eee">';
                 echo '<td><center><input type="checkbox" name="disabled_block" value="true" checked disabled /></center>';
-                for ($j = 0 ; $j < count($table_cols); $j++) {
+                for ($j = 0; $j < count($table_cols); $j++) {
                     if (isset($disabled_block[strtolower($table_cols[$j])])) {
                         if ($j == 2) {
                             echo '<td>';
@@ -189,10 +189,10 @@ 
             }
             // clean from block data
             if (!empty($not_selected_blocks_id)) {
-                $sql_check = "SELECT id FROM $tbl_block WHERE id IN(".implode(',',$not_selected_blocks_id).")";
+                $sql_check = "SELECT id FROM $tbl_block WHERE id IN(".implode(',', $not_selected_blocks_id).")";
                 $rs_check = Database::query($sql_check);
                 if (Database::num_rows($rs_check) > 0) {
-                    $del = "DELETE FROM $tbl_block WHERE id IN(".implode(',',$not_selected_blocks_id).")";
+                    $del = "DELETE FROM $tbl_block WHERE id IN(".implode(',', $not_selected_blocks_id).")";
                     Database::query($del);
                 }
             }
@@ -212,7 +212,7 @@ 
                         $affected_rows = Database::affected_rows($result);
                     } else {
                         // insert
-                        $plugin_info_file = $dashboard_pluginpath . $testplugin . "/$testplugin.info";
+                        $plugin_info_file = $dashboard_pluginpath.$testplugin."/$testplugin.info";
                         $plugin_info = array();
                         if (file_exists($plugin_info_file)) {
                             $plugin_info = parse_info_file($plugin_info_file);
@@ -282,10 +282,10 @@ 
 		// We check if plugin exists inside directory for updating active field
 		$sql = "SELECT * FROM $tbl_block";
 		$rs = Database::query($sql);
-		if (Database::num_rows($rs) > 0){
+		if (Database::num_rows($rs) > 0) {
 			while ($row = Database::fetch_array($rs)) {
 				$path = $row['path'];
-				if (!in_array($row['path'],$possibleplugins)) {
+				if (!in_array($row['path'], $possibleplugins)) {
 					$active = 0;
 				} else {
 					$active = 1;
@@ -390,13 +390,13 @@ 
 					echo '<td>'.$block['description'].'</td>';
 					echo '<td>
                             <select class="selectpicker show-tick form-control" name="columns['.$block['id'].']">
-                            <option value="1" '.(isset($user_block_data[$block['id']]) && $user_block_data[$block['id']]['column']==1?'selected':'').' >1</option>
-                            <option value="2" '.(isset($user_block_data[$block['id']]) && $user_block_data[$block['id']]['column']==2?'selected':'').' >2</option>
+                            <option value="1" '.(isset($user_block_data[$block['id']]) && $user_block_data[$block['id']]['column'] == 1 ? 'selected' : '').' >1</option>
+                            <option value="2" '.(isset($user_block_data[$block['id']]) && $user_block_data[$block['id']]['column'] == 2 ? 'selected' : '').' >2</option>
                             </select>
                           </td>';
 					echo '</tr>';
 				} else {
-					echo Display::tag('tr',  Display::tag('td', get_lang('Error').' '.$controller_class, array('colspan'=>'3')));
+					echo Display::tag('tr', Display::tag('td', get_lang('Error').' '.$controller_class, array('colspan'=>'3')));
 				}
 			}
 
@@ -475,10 +475,10 @@ 
 		$user_id = intval($user_id);
 		$field_variable = 'dashboard';
 		$extra_user_data = UserManager::get_extra_user_data_by_field($user_id, $field_variable);
-		$extra_user_data = explode(';',$extra_user_data[$field_variable]);
+		$extra_user_data = explode(';', $extra_user_data[$field_variable]);
 		$data = array();
 		foreach ($extra_user_data as $extra) {
-			$split_extra = explode(':',$extra);
+			$split_extra = explode(':', $extra);
 			if (!empty($split_extra)) {
 				$block_id = $split_extra[0];
 				$column = isset($split_extra[1]) ? $split_extra[1] : null;

Braces +3 added lines, -1 removed lines

@@ -380,7 +380,9 @@
 					// check if user is allowed to see the block
 					if (method_exists($obj_block, 'is_block_visible_for_user')) {
 						$is_block_visible_for_user = $obj_block->is_block_visible_for_user($user_id);
-						if (!$is_block_visible_for_user) continue;
+						if (!$is_block_visible_for_user) {
+						    continue;
+						}
 					}
 
 					echo '<tr>';

main/inc/lib/diagnoser.lib.php

Doc Comments +6 added lines

@@ -351,6 +351,12 @@
 
     /**
      * Additional functions needed for fast integration
+     * @param integer $status
+     * @param string $section
+     * @param string $title
+     * @param string $url
+     * @param string|null $formatter
+     * @param string $comment
      */
     public function build_setting($status, $section, $title, $url, $current_value, $expected_value, $formatter, $comment, $img_path = null) {
         switch ($status) {

Indentation +13 added lines, -13 removed lines

@@ -401,19 +401,19 @@
 
     public function format_yes_no_optional($value)
     {
-    	$return = '';
-    	switch($value) {
-     		case 0:
-     			$return = get_lang('No');
-     			break;
-     		case 1:
-     			$return = get_lang('Yes');
-     			break;
-			case 2:
-				$return = get_lang('Optional');
-				break;
-    	}
-    	return $return;
+        $return = '';
+        switch($value) {
+                case 0:
+                 $return = get_lang('No');
+                    break;
+                case 1:
+                 $return = get_lang('Yes');
+                    break;
+            case 2:
+                $return = get_lang('Optional');
+                break;
+        }
+        return $return;
 
     }
 

Braces +13 added lines, -9 removed lines

@@ -158,8 +158,9 @@ 
         $array[] = $this->build_setting($status, '[INI]', 'display_errors', 'http://www.php.net/manual/en/ini.core.php#ini.display_errors', $setting, $req_setting, 'on_off', get_lang('DisplayErrorsInfo'));
 
         $setting = ini_get('default_charset');
-        if ($setting == '')
-            $setting = null;
+        if ($setting == '') {
+                    $setting = null;
+        }
         $req_setting = null;
         $status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_ERROR;
         $array[] = $this->build_setting($status, '[INI]', 'default_charset', 'http://www.php.net/manual/en/ini.core.php#ini.default-charset', $setting, $req_setting, null, get_lang('DefaultCharsetInfo'));
@@ -177,22 +178,25 @@ 
         $setting = ini_get('memory_limit');
         $req_setting = '>= '.REQUIRED_MIN_MEMORY_LIMIT.'M';
         $status = self :: STATUS_ERROR;
-        if ((float)$setting >= REQUIRED_MIN_MEMORY_LIMIT)
-            $status = self :: STATUS_OK;
+        if ((float)$setting >= REQUIRED_MIN_MEMORY_LIMIT) {
+                    $status = self :: STATUS_OK;
+        }
         $array[] = $this->build_setting($status, '[INI]', 'memory_limit', 'http://www.php.net/manual/en/ini.core.php#ini.memory-limit', $setting, $req_setting, null, get_lang('MemoryLimitInfo'));
 
         $setting = ini_get('post_max_size');
         $req_setting = '>= '.REQUIRED_MIN_POST_MAX_SIZE.'M';
         $status = self :: STATUS_ERROR;
-        if ((float)$setting >= REQUIRED_MIN_POST_MAX_SIZE)
-            $status = self :: STATUS_OK;
+        if ((float)$setting >= REQUIRED_MIN_POST_MAX_SIZE) {
+                    $status = self :: STATUS_OK;
+        }
         $array[] = $this->build_setting($status, '[INI]', 'post_max_size', 'http://www.php.net/manual/en/ini.core.php#ini.post-max-size', $setting, $req_setting, null, get_lang('PostMaxSizeInfo'));
 
         $setting = ini_get('upload_max_filesize');
         $req_setting = '>= '.REQUIRED_MIN_UPLOAD_MAX_FILESIZE.'M';
         $status = self :: STATUS_ERROR;
-        if ((float)$setting >= REQUIRED_MIN_UPLOAD_MAX_FILESIZE)
-            $status = self :: STATUS_OK;
+        if ((float)$setting >= REQUIRED_MIN_UPLOAD_MAX_FILESIZE) {
+                    $status = self :: STATUS_OK;
+        }
         $array[] = $this->build_setting($status, '[INI]', 'upload_max_filesize', 'http://www.php.net/manual/en/ini.core.php#ini.upload_max_filesize', $setting, $req_setting, null, get_lang('UploadMaxFilesizeInfo'));
 
         $setting = ini_get('variables_order');
@@ -205,7 +209,7 @@ 
         $status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_WARNING;
         $array[] = $this->build_setting($status, '[SESSION]', 'session.gc_maxlifetime', 'http://www.php.net/manual/en/ini.core.php#session.gc-maxlifetime', $setting, $req_setting, null, get_lang('SessionGCMaxLifetimeInfo'));
 
-        if (api_check_browscap()){$setting = true;}else{$setting=false;}
+        if (api_check_browscap()){$setting = true;} else{$setting=false;}
         $req_setting = true;
         $status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_WARNING;
         $array[] = $this->build_setting($status, '[INI]', 'browscap', 'http://www.php.net/manual/en/misc.configuration.php#ini.browscap', $setting, $req_setting, 'on_off', get_lang('BrowscapInfo'));

Spacing +27 added lines, -27 removed lines

@@ -15,7 +15,7 @@ 
 {
     const STATUS_OK = 1;
     const STATUS_WARNING = 2;
-    const STATUS_ERROR 	= 3;
+    const STATUS_ERROR = 3;
     const STATUS_INFORMATION = 4;
 
     /**
@@ -44,21 +44,21 @@ 
                 $html .= '<li>';
             }
             $params['section'] = $section;
-            $html .='<a href="system_status.php?section='.$section.'">'.get_lang($section).'</a></li>';
+            $html .= '<a href="system_status.php?section='.$section.'">'.get_lang($section).'</a></li>';
         }
 
         $html .= '</ul><div class="tab-pane">';
 
-        $data = call_user_func(array($this, 'get_' . $current_section . '_data'));
+        $data = call_user_func(array($this, 'get_'.$current_section.'_data'));
         echo $html;
         $table = new SortableTableFromArray($data, 1, 100);
 
-        $table->set_header(0,'', false);
-        $table->set_header(1,get_lang('Section'), false);
-        $table->set_header(2,get_lang('Setting'), false);
-        $table->set_header(3,get_lang('Current'), false);
-        $table->set_header(4,get_lang('Expected'), false);
-        $table->set_header(5,get_lang('Comment'), false);
+        $table->set_header(0, '', false);
+        $table->set_header(1, get_lang('Section'), false);
+        $table->set_header(2, get_lang('Setting'), false);
+        $table->set_header(3, get_lang('Current'), false);
+        $table->set_header(4, get_lang('Expected'), false);
+        $table->set_header(5, get_lang('Comment'), false);
 
         $table->display();
         echo '</div></div>';
@@ -72,11 +72,11 @@ 
     {
         $array = array();
         $writable_folders = array(
-            api_get_path(SYS_APP_PATH) .'cache',
+            api_get_path(SYS_APP_PATH).'cache',
             api_get_path(SYS_COURSE_PATH),
-            api_get_path(SYS_APP_PATH) .'home',
-            api_get_path(SYS_APP_PATH) .'upload/users/',
-            api_get_path(SYS_PATH) .'main/default_course_document/images/',
+            api_get_path(SYS_APP_PATH).'home',
+            api_get_path(SYS_APP_PATH).'upload/users/',
+            api_get_path(SYS_PATH).'main/default_course_document/images/',
         );
 
         foreach ($writable_folders as $index => $folder) {
@@ -99,7 +99,7 @@ 
         $array[] = $this->build_setting(
             $status,
             '[FILES]',
-            get_lang('DirectoryExists') . ': /install',
+            get_lang('DirectoryExists').': /install',
             'http://be2.php.net/file_exists',
             $exists,
             0,
@@ -129,7 +129,7 @@ 
                     $message2 .= get_lang('SpaceUsedOnSystemCannotBeMeasuredOnWindows');
                 } else {
                     $dir = api_get_path(SYS_PATH);
-                    $du = exec('du -sh ' . $dir, $err);
+                    $du = exec('du -sh '.$dir, $err);
                     list($size, $none) = explode("\t", $du);
                     $limit = $_configuration[$access_url_id]['hosting_limit_disk_space'];
                     $message2 .= sprintf(get_lang('TotalSpaceUsedByPortalXLimitIsYMB'), $size, $limit);
@@ -216,33 +216,33 @@ 
         $array[] = $this->build_setting($status, '[INI]', 'default_charset', 'http://www.php.net/manual/en/ini.core.php#ini.default-charset', $setting, $req_setting, null, get_lang('DefaultCharsetInfo'));
 
         $setting = ini_get('max_execution_time');
-        $req_setting = '300 (' . get_lang('Minimum') . ')';
+        $req_setting = '300 ('.get_lang('Minimum').')';
         $status = $setting >= 300 ? self :: STATUS_OK : self :: STATUS_WARNING;
         $array[] = $this->build_setting($status, '[INI]', 'max_execution_time', 'http://www.php.net/manual/en/ini.core.php#ini.max-execution-time', $setting, $req_setting, null, get_lang('MaxExecutionTimeInfo'));
 
         $setting = ini_get('max_input_time');
-        $req_setting = '300 (' . get_lang('Minimum') . ')';
+        $req_setting = '300 ('.get_lang('Minimum').')';
         $status = $setting >= 300 ? self :: STATUS_OK : self :: STATUS_WARNING;
         $array[] = $this->build_setting($status, '[INI]', 'max_input_time', 'http://www.php.net/manual/en/ini.core.php#ini.max-input-time', $setting, $req_setting, null, get_lang('MaxInputTimeInfo'));
 
         $setting = ini_get('memory_limit');
         $req_setting = '>= '.REQUIRED_MIN_MEMORY_LIMIT.'M';
         $status = self :: STATUS_ERROR;
-        if ((float)$setting >= REQUIRED_MIN_MEMORY_LIMIT)
+        if ((float) $setting >= REQUIRED_MIN_MEMORY_LIMIT)
             $status = self :: STATUS_OK;
         $array[] = $this->build_setting($status, '[INI]', 'memory_limit', 'http://www.php.net/manual/en/ini.core.php#ini.memory-limit', $setting, $req_setting, null, get_lang('MemoryLimitInfo'));
 
         $setting = ini_get('post_max_size');
         $req_setting = '>= '.REQUIRED_MIN_POST_MAX_SIZE.'M';
         $status = self :: STATUS_ERROR;
-        if ((float)$setting >= REQUIRED_MIN_POST_MAX_SIZE)
+        if ((float) $setting >= REQUIRED_MIN_POST_MAX_SIZE)
             $status = self :: STATUS_OK;
         $array[] = $this->build_setting($status, '[INI]', 'post_max_size', 'http://www.php.net/manual/en/ini.core.php#ini.post-max-size', $setting, $req_setting, null, get_lang('PostMaxSizeInfo'));
 
         $setting = ini_get('upload_max_filesize');
         $req_setting = '>= '.REQUIRED_MIN_UPLOAD_MAX_FILESIZE.'M';
         $status = self :: STATUS_ERROR;
-        if ((float)$setting >= REQUIRED_MIN_UPLOAD_MAX_FILESIZE)
+        if ((float) $setting >= REQUIRED_MIN_UPLOAD_MAX_FILESIZE)
             $status = self :: STATUS_OK;
         $array[] = $this->build_setting($status, '[INI]', 'upload_max_filesize', 'http://www.php.net/manual/en/ini.core.php#ini.upload_max_filesize', $setting, $req_setting, null, get_lang('UploadMaxFilesizeInfo'));
 
@@ -256,7 +256,7 @@ 
         $status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_WARNING;
         $array[] = $this->build_setting($status, '[SESSION]', 'session.gc_maxlifetime', 'http://www.php.net/manual/en/ini.core.php#session.gc-maxlifetime', $setting, $req_setting, null, get_lang('SessionGCMaxLifetimeInfo'));
 
-        if (api_check_browscap()){$setting = true;}else{$setting=false;}
+        if (api_check_browscap()) {$setting = true; } else {$setting = false; }
         $req_setting = true;
         $status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_WARNING;
         $array[] = $this->build_setting($status, '[INI]', 'browscap', 'http://www.php.net/manual/en/misc.configuration.php#ini.browscap', $setting, $req_setting, 'on_off', get_lang('BrowscapInfo'));
@@ -312,7 +312,7 @@ 
 
             $loaded = extension_loaded($extension);
             $status = $loaded ? self :: STATUS_OK : self :: STATUS_ERROR;
-            $array[] = $this->build_setting($status, '[EXTENSION]', get_lang('LoadedExtension') . ': ' . $extension, $url, $loaded, $expected_value, 'yes_no_optional', $comment);
+            $array[] = $this->build_setting($status, '[EXTENSION]', get_lang('LoadedExtension').': '.$extension, $url, $loaded, $expected_value, 'yes_no_optional', $comment);
         }
 
         return $array;
@@ -435,9 +435,9 @@ 
         $formatted_expected_value = $expected_value;
 
         if ($formatter) {
-            if (method_exists($this, 'format_' . $formatter)) {
-                $formatted_current_value = call_user_func(array($this, 'format_' . $formatter), $current_value);
-                $formatted_expected_value = call_user_func(array($this, 'format_' . $formatter), $expected_value);
+            if (method_exists($this, 'format_'.$formatter)) {
+                $formatted_current_value = call_user_func(array($this, 'format_'.$formatter), $current_value);
+                $formatted_expected_value = call_user_func(array($this, 'format_'.$formatter), $expected_value);
             }
         }
 
@@ -452,13 +452,13 @@ 
      */
     public function get_link($title, $url)
     {
-        return '<a href="' . $url . '" target="about:bank">' . $title . '</a>';
+        return '<a href="'.$url.'" target="about:bank">'.$title.'</a>';
     }
 
     public function format_yes_no_optional($value)
     {
     	$return = '';
-    	switch($value) {
+    	switch ($value) {
      		case 0:
      			$return = get_lang('No');
      			break;

main/inc/lib/display.lib.php

Doc Comments +26 added lines, -15 removed lines

@@ -32,7 +32,7 @@ 
     }
 
     /**
-     * @return array
+     * @return string[]
      */
     public static function toolList()
     {
@@ -290,7 +290,6 @@ 
      * 					'page_nr' = The page to display
      * 					'hide_navigation' =  true to hide the navigation
      * @param array $query_vars Additional variables to add in the query-string
-     * @param array $form actions Additional variables to add in the query-string
      * @param mixed An array with bool values to know which columns show.
      * i.e: $visibility_options= array(true, false) we will only show the first column
      * 				Can be also only a bool value. TRUE: show all columns, FALSE: show nothing
@@ -331,7 +330,6 @@ 
      * 					'page_nr' = The page to display
      * 					'hide_navigation' =  true to hide the navigation
      * @param array $query_vars Additional variables to add in the query-string
-     * @param array $form actions Additional variables to add in the query-string
      * @param mixed An array with bool values to know which columns show. i.e:
      *  $visibility_options= array(true, false) we will only show the first column
      * 	Can be also only a bool value. TRUE: show all columns, FALSE: show nothing
@@ -388,10 +386,11 @@ 
      * 					'per_page' = number of items to show per page
      * 					'page_nr' = The page to display
      * @param array $query_vars Additional variables to add in the query-string
-     * @param array $column_show Array of binaries 1= show columns 0. hide a column
+     * @param integer[] $column_show Array of binaries 1= show columns 0. hide a column
      * @param array $column_order An array of integers that let us decide how the columns are going to be sort.
      * 						      i.e:  $column_order=array('1''4','3','4'); The 2nd column will be order like the 4th column
      * @param array $form_actions Set optional forms actions
+     * @param string $table_name
      *
      * @author Julio Montoya
      */
@@ -444,7 +443,7 @@ 
      * @param bool	$filter (true) or not (false)
      * @param bool $returnValue
      *
-     * @return void
+     * @return string|null
      */
     public static function display_normal_message($message, $filter = true, $returnValue = false)
     {
@@ -474,7 +473,7 @@ 
     /**
      * Displays an confirmation message. Use this if something has been done successfully
      * @param bool	Filter (true) or not (false)
-     * @return void
+     * @return string|null
      */
     public static function display_confirmation_message ($message, $filter = true, $returnValue = false)
     {
@@ -491,7 +490,7 @@ 
      * @param string $message - include any additional html
      *                          tags if you need them
      * @param bool	Filter (true) or not (false)
-     * @return void
+     * @return string|null
      */
     public static function display_error_message ($message, $filter = true, $returnValue = false)
     {
@@ -681,6 +680,7 @@ 
      * @param string   The alt text (probably a language variable)
      * @param array    additional attributes (for instance height, width, onclick, ...)
      * @param integer  The wanted width of the icon (to be looked for in the corresponding img/icons/ folder)
+     * @param string $image
      * @return void
     */
     public static function display_icon(
@@ -881,6 +881,7 @@ 
     /**
      * Displays an HTML input tag
      *
+     * @param string $type
      */
     public static function input($type, $name, $value, $attributes = array())
     {
@@ -897,8 +898,8 @@ 
     }
 
     /**
-     * @param $name
-     * @param $value
+     * @param string $name
+     * @param string $value
      * @param array $attributes
      * @return string
      */
@@ -913,6 +914,7 @@ 
     /**
      * Displays an HTML select tag
      *
+     * @param string $blank_item_text
      */
     public static function select(
         $name,
@@ -983,6 +985,8 @@ 
      * @param   array   content that will be showed
      * @param   string  the id of the container of the tab in the example "tabs"
      * @param   array   attributes for the ul
+     * @param string[] $header_list
+     * @param string[] $content_list
      *
      */
     public static function tabs($header_list, $content_list, $id = 'tabs', $attributes = array(), $ul_attributes = array())
@@ -1029,7 +1033,7 @@ 
 
     /**
      * @param $headers
-     * @param null $selected
+     * @param integer $selected
      *
      * @return string
      */
@@ -1067,6 +1071,7 @@ 
      * As you can see both function use the same "my_grid_name" this is very important otherwise nothing will work
      *
      * @param   string  the div id, this value must be the same with the first parameter of Display::grid_js()
+     * @param string $div_id
      * @return  string  html
      *
      */
@@ -1622,6 +1627,8 @@ 
      * @param  string  url that will be added (for jquery see hot_courses.tpl)
 	 * @param	string	point info array see function CourseManager::get_course_ranking()
 	 * @param	bool	add a div wrapper
+	 * @param string $id
+	 * @param string $url
 	 * @todo	use     templates
      **/
     public static function return_rating_system($id, $url, $point_info = array(), $add_div_wrapper = true)
@@ -1717,6 +1724,9 @@ 
         return '<'.$size.'>'.Security::remove_XSS($title).'</'.$size.'>';
     }
 
+    /**
+     * @param string $title
+     */
     public static function page_subheader2($title, $second_title = null)
     {
         return self::page_header($title, $second_title, 'h4');
@@ -1947,6 +1957,7 @@ 
 
     /**
      * @todo use twig
+     * @param string $title
      */
     public static function group_button($title, $elements)
     {
@@ -2164,9 +2175,9 @@ 
 
     /**
      * @param int $id
-     * @param array $content
+     * @param string[] $content
      * @param int $col
-     * @param bool|true $right
+     * @param boolean $right
      * @return string
      */
     public static function toolbarAction($id, $content = array(), $col = 2, $right = true)
@@ -2248,10 +2259,10 @@ 
     /**
      * @param string $title
      * @param string $content
-     * @param null $id
+     * @param string $id
      * @param array $params
-     * @param null $idAccordion
-     * @param null $idCollapse
+     * @param string $idAccordion
+     * @param string $idCollapse
      * @param bool|true $open
      * @param bool|false $fullClickable
      * @return null|string

Indentation +69 added lines, -69 removed lines

@@ -49,12 +49,12 @@ 
         );
     }
 
-     /**
-     * Displays the page header
-     * @param string The name of the page (will be showed in the page title)
-     * @param string Optional help file name
-     * @param string $page_header
-     */
+        /**
+         * Displays the page header
+         * @param string The name of the page (will be showed in the page title)
+         * @param string Optional help file name
+         * @param string $page_header
+         */
     public static function display_header($tool_name ='', $help = null, $page_header = null)
     {
         $origin = api_get_origin();
@@ -448,7 +448,7 @@ 
      */
     public static function display_normal_message($message, $filter = true, $returnValue = false)
     {
-    	$message = self::return_message($message, 'normal', $filter);
+        $message = self::return_message($message, 'normal', $filter);
         if ($returnValue) {
             return $message;
         } else {
@@ -524,22 +524,22 @@ 
     public static function return_message($message, $type = 'normal', $filter = true)
     {
         if ($filter) {
-        	$message = api_htmlentities($message, ENT_QUOTES, api_is_xml_http_request() ? 'UTF-8' : api_get_system_encoding());
+            $message = api_htmlentities($message, ENT_QUOTES, api_is_xml_http_request() ? 'UTF-8' : api_get_system_encoding());
         }
 
         $class = "";
         switch($type) {
             case 'warning':
                $class .= 'alert alert-warning';
-               break;
+                break;
             case 'error':
                $class .= 'alert alert-danger';
-               break;
+                break;
             case 'confirmation':
             case 'confirm':
             case 'success':
                 $class .= 'alert alert-success';
-               break;
+                break;
             case 'normal':
             default:
                 $class .= 'alert alert-info';
@@ -682,7 +682,7 @@ 
      * @param array    additional attributes (for instance height, width, onclick, ...)
      * @param integer  The wanted width of the icon (to be looked for in the corresponding img/icons/ folder)
      * @return void
-    */
+     */
     public static function display_icon(
         $image,
         $alt_text = '',
@@ -705,7 +705,7 @@ 
      * @author Julio Montoya 2010 Function improved, adding image constants
      * @author Yannick Warnier 2011 Added size handler
      * @version Feb 2011
-    */
+     */
     public static function return_icon(
         $image,
         $alt_text = '',
@@ -884,14 +884,14 @@ 
      */
     public static function input($type, $name, $value, $attributes = array())
     {
-         if (isset($type)) {
-             $attributes['type']= $type;
-         }
-         if (isset($name)) {
-             $attributes['name']= $name;
-         }
-         if (isset($value)) {
-             $attributes['value']= $value;
+            if (isset($type)) {
+                $attributes['type']= $type;
+            }
+            if (isset($name)) {
+                $attributes['name']= $name;
+            }
+            if (isset($value)) {
+                $attributes['value']= $value;
         }
         return self::tag('input', '', $attributes);
     }
@@ -904,10 +904,10 @@ 
      */
     public static function button($name, $value, $attributes = array())
     {
-    	if (!empty($name)) {
+        if (!empty($name)) {
             $attributes['name'] = $name;
-    	}
-    	return self::tag('button', $value, $attributes);
+        }
+        return self::tag('button', $value, $attributes);
     }
 
     /**
@@ -974,7 +974,7 @@ 
      * in the $htmlHeadXtra variable before the display_header
      * Add this script
      * @example
-             * <script>
+     * <script>
                     $(function() {
                         $( "#tabs" ).tabs();
                     });
@@ -1035,20 +1035,20 @@ 
      */
     public static function tabsOnlyLink($headers, $selected = null)
     {
-         $id = uniqid();
-         $i = 1;
-         $lis = null;
-         foreach ($headers as $item) {
+            $id = uniqid();
+            $i = 1;
+            $lis = null;
+            foreach ($headers as $item) {
             $class = null;
             if ($i == $selected) {
                 $class = 'active';
             }
-             $item = self::tag(
-                 'a',
-                 $item['content'],
-                 array('id' => $id.'-'.$i, 'href' => $item['url'])
-             );
-             $lis .= self::tag('li', $item, array('class' => $class));
+                $item = self::tag(
+                    'a',
+                    $item['content'],
+                    array('id' => $id.'-'.$i, 'href' => $item['url'])
+                );
+                $lis .= self::tag('li', $item, array('class' => $class));
             $i++;
         }
         return self::tag('ul', $lis, array('class' => 'nav nav-tabs tabs-margin'));
@@ -1260,8 +1260,8 @@ 
      */
     public static function table($headers, $rows, $attributes = array())
     {
-    	if (empty($attributes)) {
-    		$attributes['class'] = 'data_table';
+        if (empty($attributes)) {
+            $attributes['class'] = 'data_table';
         }
         $table = new HTML_Table($attributes);
         $row = 0;
@@ -1269,17 +1269,17 @@ 
 
         // Course headers
         if (!empty($headers)) {
-	        foreach ($headers as $item) {
-	            $table->setHeaderContents($row, $column, $item);
-	            $column++;
-	        }
-	        $row = 1;
-	        $column = 0;
+            foreach ($headers as $item) {
+                $table->setHeaderContents($row, $column, $item);
+                $column++;
+            }
+            $row = 1;
+            $column = 0;
         }
 
         if (!empty($rows)) {
-	        foreach($rows as $content) {
-	            $table->setCellContents($row, $column, $content);
+            foreach($rows as $content) {
+                $table->setCellContents($row, $column, $content);
                 $row++;
             }
         }
@@ -1385,7 +1385,7 @@ 
                         //$item_property['tool'] != TOOL_DROPBOX &&
                         $item_property['tool'] != TOOL_NOTEBOOK &&
                         $item_property['tool'] != TOOL_CHAT)
-                   )
+                    )
                 )
                 // Take only what's visible or "invisible but where the user is a teacher" or where the visibility is unset.
                 && ($item_property['visibility'] == '1'
@@ -1401,7 +1401,7 @@ 
                         ($item_property['to_user_id'] != $user_id) &&
                         (!isset($item_property['to_group_id']) || !in_array($item_property['to_group_id'], $group_ids)))
                 ) {
-                   continue;
+                    continue;
                 }
 
                 // If it's a survey, make sure the user's invited. Otherwise drop it.
@@ -1620,21 +1620,21 @@ 
      *
      * @param  string  id of the rating ul element
      * @param  string  url that will be added (for jquery see hot_courses.tpl)
-	 * @param	string	point info array see function CourseManager::get_course_ranking()
-	 * @param	bool	add a div wrapper
-	 * @todo	use     templates
+     * @param	string	point info array see function CourseManager::get_course_ranking()
+     * @param	bool	add a div wrapper
+     * @todo	use     templates
      **/
     public static function return_rating_system($id, $url, $point_info = array(), $add_div_wrapper = true)
     {
-		$number_of_users_who_voted = isset($point_info['users_who_voted']) ? $point_info['users_who_voted'] : null;
-		$percentage = isset($point_info['point_average']) ? $point_info['point_average'] : 0;
+        $number_of_users_who_voted = isset($point_info['users_who_voted']) ? $point_info['users_who_voted'] : null;
+        $percentage = isset($point_info['point_average']) ? $point_info['point_average'] : 0;
 
-		if (!empty($percentage)) {
+        if (!empty($percentage)) {
             $percentage = $percentage*125/100;
         }
-		$accesses =  isset($point_info['accesses']) ? $point_info['accesses'] : 0;
+        $accesses =  isset($point_info['accesses']) ? $point_info['accesses'] : 0;
 
-		$star_label = sprintf(get_lang('XStarsOutOf5'), $point_info['point_average_star']);
+        $star_label = sprintf(get_lang('XStarsOutOf5'), $point_info['point_average_star']);
 
         $html = '<ul id="'.$id.'" class="star-rating">
 					<li class="current-rating" style="width:'.$percentage.'px;"></li>
@@ -1645,26 +1645,26 @@ 
 					<li><a href="javascript:void(0);" data-link="'.$url.'&amp;star=5" title="'.$star_label.'" class="five-stars">5</a></li>
 				</ul>';
 
-		$labels = array();
+        $labels = array();
 
-		$labels[]= $number_of_users_who_voted == 1 ? $number_of_users_who_voted.' '.get_lang('Vote') : $number_of_users_who_voted.' '.get_lang('Votes');
-		$labels[]= $accesses == 1 ? $accesses.' '.get_lang('Visit') : $accesses.' '.get_lang('Visits');
-		if (!empty($number_of_users_who_voted)) {
-			$labels[]= get_lang('Average').' '.$point_info['point_average_star'].'/5';
-		}
+        $labels[]= $number_of_users_who_voted == 1 ? $number_of_users_who_voted.' '.get_lang('Vote') : $number_of_users_who_voted.' '.get_lang('Votes');
+        $labels[]= $accesses == 1 ? $accesses.' '.get_lang('Visit') : $accesses.' '.get_lang('Visits');
+        if (!empty($number_of_users_who_voted)) {
+            $labels[]= get_lang('Average').' '.$point_info['point_average_star'].'/5';
+        }
 
-		$labels[]= $point_info['user_vote']  ? get_lang('YourVote').' ['.$point_info['user_vote'].']' : get_lang('YourVote'). ' [?] ';
+        $labels[]= $point_info['user_vote']  ? get_lang('YourVote').' ['.$point_info['user_vote'].']' : get_lang('YourVote'). ' [?] ';
 
-		if (!$add_div_wrapper && api_is_anonymous()) {
-			$labels[]= Display::tag('span', get_lang('LoginToVote'), array('class' => 'error'));
-		}
+        if (!$add_div_wrapper && api_is_anonymous()) {
+            $labels[]= Display::tag('span', get_lang('LoginToVote'), array('class' => 'error'));
+        }
 
         $html .= Display::div(implode(' | ', $labels) , array('id' =>  'vote_label_'.$id, 'class' => 'vote_label_info'));
         $html .= ' '.Display::span(' ', array('id' =>  'vote_label2_'.$id));
 
         if ($add_div_wrapper) {
-			$html = Display::div($html, array('id' => 'rating_wrapper_'.$id));
-		}
+            $html = Display::div($html, array('id' => 'rating_wrapper_'.$id));
+        }
 
         return $html;
     }
@@ -1702,8 +1702,8 @@ 
         return self::page_header($title, $second_title);
     }
 
-     public static function page_subheader_and_translate($title, $second_title = null)
-     {
+        public static function page_subheader_and_translate($title, $second_title = null)
+        {
         $title = get_lang($title);
         return self::page_subheader($title, $second_title);
     }

Braces +3 added lines, -2 removed lines

@@ -666,9 +666,10 @@
         $result = '';
         for ($i = $min; $i <= $max; $i ++) {
             $result .= '<option value="'.$i.'"';
-            if (is_int($selected_num))
-                if ($selected_num == $i) {
+            if (is_int($selected_num)) {
+                            if ($selected_num == $i) {
                     $result .= ' selected="selected"';
+            }
                 }
             $result .= '>'.$i.'</option>';
         }

Spacing +69 added lines, -69 removed lines

@@ -55,7 +55,7 @@ 
      * @param string Optional help file name
      * @param string $page_header
      */
-    public static function display_header($tool_name ='', $help = null, $page_header = null)
+    public static function display_header($tool_name = '', $help = null, $page_header = null)
     {
         $origin = api_get_origin();
         $showHeader = true;
@@ -351,7 +351,7 @@ 
         $grid_class = array(),
         $elementCount = 0
     ) {
-        $column =  0;
+        $column = 0;
         $default_items_per_page = isset($paging_options['per_page']) ? $paging_options['per_page'] : 20;
 
         $table = new SortableTableFromArray($content, $column, $default_items_per_page, $name);
@@ -476,7 +476,7 @@ 
      * @param bool	Filter (true) or not (false)
      * @return void
      */
-    public static function display_confirmation_message ($message, $filter = true, $returnValue = false)
+    public static function display_confirmation_message($message, $filter = true, $returnValue = false)
     {
         $message = self::return_message($message, 'confirm', $filter);
         if ($returnValue) {
@@ -493,7 +493,7 @@ 
      * @param bool	Filter (true) or not (false)
      * @return void
      */
-    public static function display_error_message ($message, $filter = true, $returnValue = false)
+    public static function display_error_message($message, $filter = true, $returnValue = false)
     {
         $message = self::return_message($message, 'error', $filter);
         if ($returnValue) {
@@ -508,7 +508,7 @@ 
      * @param string $type
      * @param bool $filter
      */
-    public static function return_message_and_translate($message, $type='normal', $filter = true)
+    public static function return_message_and_translate($message, $type = 'normal', $filter = true)
     {
         $message = get_lang($message);
         echo self::return_message($message, $type, $filter);
@@ -532,7 +532,7 @@ 
         }
 
         $class = "";
-        switch($type) {
+        switch ($type) {
             case 'warning':
                $class .= 'alert alert-warning';
                break;
@@ -560,7 +560,7 @@ 
      * @param string  optional, class from stylesheet
      * @return string encrypted mailto hyperlink
      */
-    public static function encrypted_mailto_link ($email, $clickable_text = null, $style_class = '')
+    public static function encrypted_mailto_link($email, $clickable_text = null, $style_class = '')
     {
         if (is_null($clickable_text)) {
             $clickable_text = $email;
@@ -575,14 +575,14 @@ 
         }
         // Encrypt email
         $hmail = '';
-        for ($i = 0; $i < strlen($email); $i ++) {
+        for ($i = 0; $i < strlen($email); $i++) {
             $hmail .= '&#'.ord($email {
             $i }).';';
         }
         $hclickable_text = null;
         // Encrypt clickable text if @ is present
         if (strpos($clickable_text, '@')) {
-            for ($i = 0; $i < strlen($clickable_text); $i ++) {
+            for ($i = 0; $i < strlen($clickable_text); $i++) {
                 $hclickable_text .= '&#'.ord($clickable_text {
                 $i }).';';
             }
@@ -614,7 +614,7 @@ 
         }
         // Encrypt email
         $hmail = '';
-        for ($i = 0; $i < strlen($email); $i ++) {
+        for ($i = 0; $i < strlen($email); $i++) {
             $hmail .= '&#'.ord($email {
             $i }).';';
         }
@@ -647,7 +647,7 @@ 
     public static function get_alphabet_options($selected_letter = '')
     {
         $result = '';
-        for ($i = 65; $i <= 90; $i ++) {
+        for ($i = 65; $i <= 90; $i++) {
             $letter = chr($i);
             $result .= '<option value="'.$letter.'"';
             if ($selected_letter == $letter) {
@@ -668,7 +668,7 @@ 
     public static function get_numeric_options($min, $max, $selected_num = 0)
     {
         $result = '';
-        for ($i = $min; $i <= $max; $i ++) {
+        for ($i = $min; $i <= $max; $i++) {
             $result .= '<option value="'.$i.'"';
             if (is_int($selected_num))
                 if ($selected_num == $i) {
@@ -745,7 +745,7 @@ 
             $size = ICON_SIZE_SMALL;
         }
 
-        $size_extra = $size . '/';
+        $size_extra = $size.'/';
 
         // Checking the img/ folder
         $icon = $w_code_path.'img/'.$image;
@@ -753,7 +753,7 @@ 
         $theme = 'themes/chamilo/icons/';
 
         if ($loadThemeIcon) {
-            $theme = 'themes/' . api_get_visual_theme() . '/icons/';
+            $theme = 'themes/'.api_get_visual_theme().'/icons/';
             // Checking the theme icons folder example: app/Resources/public/css/themes/chamilo/icons/XXX
             if (is_file($alternateCssPath.$theme.$size_extra.$image)) {
                 $icon = $alternateWebCssPath.$theme.$size_extra.$image;
@@ -859,7 +859,7 @@ 
             }
         }
         //some tags don't have this </XXX>
-        if (in_array($tag, array('img','input','br'))) {
+        if (in_array($tag, array('img', 'input', 'br'))) {
             $return_value = '<'.$tag.' '.$attribute_list.' />';
         } else {
             $return_value = '<'.$tag.' '.$attribute_list.' > '.$content.'</'.$tag.'>';
@@ -912,13 +912,13 @@ 
     public static function input($type, $name, $value, $attributes = array())
     {
          if (isset($type)) {
-             $attributes['type']= $type;
+             $attributes['type'] = $type;
          }
          if (isset($name)) {
-             $attributes['name']= $name;
+             $attributes['name'] = $name;
          }
          if (isset($value)) {
-             $attributes['value']= $value;
+             $attributes['value'] = $value;
         }
         return self::tag('input', '', $attributes);
     }
@@ -951,14 +951,14 @@ 
     ) {
         $html = '';
         $extra = '';
-        $default_id = 'id="' . $name . '" ';
+        $default_id = 'id="'.$name.'" ';
         foreach ($extra_attributes as $key => $parameter) {
             if ($key == 'id') {
                 $default_id = '';
             }
-            $extra .= $key . '="' . $parameter . '" ';
+            $extra .= $key.'="'.$parameter.'" ';
         }
-        $html .= '<select name="' . $name . '" ' . $default_id . ' ' . $extra . '>';
+        $html .= '<select name="'.$name.'" '.$default_id.' '.$extra.'>';
 
         if ($show_blank_item) {
             if (empty($blank_item_text)) {
@@ -966,14 +966,14 @@ 
             } else {
                 $blank_item_text = Security::remove_XSS($blank_item_text);
             }
-            $html .= self::tag('option', '-- ' . $blank_item_text . ' --', array('value' => '-1'));
+            $html .= self::tag('option', '-- '.$blank_item_text.' --', array('value' => '-1'));
         }
         if ($values) {
             foreach ($values as $key => $value) {
                 if (is_array($value) && isset($value['name'])) {
                     $value = $value['name'];
                 }
-                $html .= '<option value="' . $key . '"';
+                $html .= '<option value="'.$key.'"';
 
                 if (is_array($default)) {
                     foreach ($default as $item) {
@@ -988,7 +988,7 @@ 
                     }
                 }
 
-                $html .= '>' . $value . '</option>';
+                $html .= '>'.$value.'</option>';
             }
         }
         $html .= '</select>';
@@ -1014,7 +1014,7 @@ 
      */
     public static function tabs($header_list, $content_list, $id = 'tabs', $attributes = array(), $ul_attributes = array())
     {
-        if (empty($header_list) || count($header_list) == 0 ) {
+        if (empty($header_list) || count($header_list) == 0) {
             return '';
         }
 
@@ -1051,7 +1051,7 @@ 
 
         $main_div = self::tag('div', $ul.self::tag('div', $divs, ['class' => 'tab-content']), $attributes);
 
-        return $main_div ;
+        return $main_div;
     }
 
     /**
@@ -1099,8 +1099,8 @@ 
      */
     public static function grid_html($div_id)
     {
-        $table  = self::tag('table','', array('id' => $div_id));
-        $table .= self::tag('div','', array('id' => $div_id.'_pager'));
+        $table  = self::tag('table', '', array('id' => $div_id));
+        $table .= self::tag('div', '', array('id' => $div_id.'_pager'));
         return $table;
     }
 
@@ -1161,7 +1161,7 @@ 
         $obj->colNames      = $column_names;
         $obj->colModel      = $column_model;
         $obj->pager         = '#'.$div_id.'_pager';
-        $obj->datatype  = 'json';
+        $obj->datatype = 'json';
         $obj->viewrecords = 'true';
 
         $all_value = 10000000;
@@ -1222,10 +1222,10 @@ 
         // Adding static data.
         if (!empty($data)) {
             $data_var = $div_id.'_data';
-            $json.=' var '.$data_var.' = '.json_encode($data).';';
+            $json .= ' var '.$data_var.' = '.json_encode($data).';';
             $obj->data = $data_var;
             $obj->datatype = 'local';
-            $json.="\n";
+            $json .= "\n";
         }
 
         $obj->end = 'end';
@@ -1239,12 +1239,12 @@ 
         }
 
         // Fixing true/false js values that doesn't need the ""
-        $json_encode = str_replace(':"true"',':true',$json_encode);
+        $json_encode = str_replace(':"true"', ':true', $json_encode);
         // wrap_cell is not a valid jqgrid attributes is a hack to wrap a text
         $json_encode = str_replace('"wrap_cell":true', 'cellattr : function(rowId, value, rowObject, colModel, arrData) { return \'class = "jqgrid_whitespace"\'; }', $json_encode);
-        $json_encode = str_replace(':"false"',':false',$json_encode);
+        $json_encode = str_replace(':"false"', ':false', $json_encode);
         $json_encode = str_replace('"formatter":"action_formatter"', 'formatter:action_formatter', $json_encode);
-        $json_encode = str_replace(array('{"first":"first",','"end":"end"}'), '', $json_encode);
+        $json_encode = str_replace(array('{"first":"first",', '"end":"end"}'), '', $json_encode);
 
         // Creating the jqgrid element.
         $json .= '$("#'.$div_id.'").jqGrid({';
@@ -1259,22 +1259,22 @@ 
             $groups = '';
             foreach ($extra_params['groupHeaders'] as $group) {
                 //{ "startColumnName" : "courses", "numberOfColumns" : 1, "titleText" : "Order Info" },
-                $groups .= '{ "startColumnName" : "' . $group['startColumnName'] . '", "numberOfColumns" : ' . $group['numberOfColumns'] . ', "titleText" : "' . $group['titleText']  . '" },';
+                $groups .= '{ "startColumnName" : "'.$group['startColumnName'].'", "numberOfColumns" : '.$group['numberOfColumns'].', "titleText" : "'.$group['titleText'].'" },';
 
             }
             $json .= '$("#'.$div_id.'").jqGrid("setGroupHeaders", {
                 "useColSpanStyle" : false,
                 "groupHeaders"    : [
-                    ' . $groups . '
+                    ' . $groups.'
                 ]
             });';
         }
 
         $all_text = addslashes(get_lang('All'));
         $json .= '$("'.$obj->pager.' option[value='.$all_value.']").text("'.$all_text.'");';
-        $json.= "\n";
+        $json .= "\n";
         // Adding edit/delete icons.
-        $json.= $formatter;
+        $json .= $formatter;
 
         return $json;
     }
@@ -1305,7 +1305,7 @@ 
         }
 
         if (!empty($rows)) {
-	        foreach($rows as $content) {
+	        foreach ($rows as $content) {
 	            $table->setCellContents($row, $column, $content);
                 $row++;
             }
@@ -1467,7 +1467,7 @@ 
 
         // Show all tool icons where there is something new.
         $return = '&nbsp;';
-        foreach($notifications as $notification) {
+        foreach ($notifications as $notification) {
             $lastDate = date('d/m/Y H:i', convert_sql_date($notification['lastedit_date']));
             $type = $notification['lastedit_type'];
             $label = get_lang('TitleNotification').": ".get_lang($type)." ($lastDate)";
@@ -1510,9 +1510,9 @@ 
             $tbl_session            = Database :: get_main_table(TABLE_MAIN_SESSION);
             $active = false;
             // Request for the name of the general coach
-            $sql ='SELECT tu.lastname, tu.firstname, ts.*
+            $sql = 'SELECT tu.lastname, tu.firstname, ts.*
                     FROM '.$tbl_session.' ts
-                    LEFT JOIN '.$main_user_table .' tu
+                    LEFT JOIN '.$main_user_table.' tu
                     ON ts.id_coach = tu.user_id
                     WHERE ts.id = '.intval($session_id);
             $rs = Database::query($sql);
@@ -1522,7 +1522,7 @@ 
             $session = array();
             $session['title'] = $session_info['name'];
             $session['coach'] = '';
-            $session['dates'] =  '';
+            $session['dates'] = '';
 
             if (
                 (
@@ -1604,8 +1604,8 @@ 
                     );
                 }
 
-                if ( api_get_setting('show_session_coach') === 'true' ) {
-                    $session['coach'] = get_lang('GeneralCoach') . ': ' . api_get_person_name(
+                if (api_get_setting('show_session_coach') === 'true') {
+                    $session['coach'] = get_lang('GeneralCoach').': '.api_get_person_name(
                         $session_info['firstname'],
                         $session_info['lastname']
                     );
@@ -1657,9 +1657,9 @@ 
 		$percentage = isset($point_info['point_average']) ? $point_info['point_average'] : 0;
 
 		if (!empty($percentage)) {
-            $percentage = $percentage*125/100;
+            $percentage = $percentage * 125 / 100;
         }
-		$accesses =  isset($point_info['accesses']) ? $point_info['accesses'] : 0;
+		$accesses = isset($point_info['accesses']) ? $point_info['accesses'] : 0;
 
 		$star_label = sprintf(get_lang('XStarsOutOf5'), $point_info['point_average_star']);
 
@@ -1674,19 +1674,19 @@ 
 
 		$labels = array();
 
-		$labels[]= $number_of_users_who_voted == 1 ? $number_of_users_who_voted.' '.get_lang('Vote') : $number_of_users_who_voted.' '.get_lang('Votes');
-		$labels[]= $accesses == 1 ? $accesses.' '.get_lang('Visit') : $accesses.' '.get_lang('Visits');
+		$labels[] = $number_of_users_who_voted == 1 ? $number_of_users_who_voted.' '.get_lang('Vote') : $number_of_users_who_voted.' '.get_lang('Votes');
+		$labels[] = $accesses == 1 ? $accesses.' '.get_lang('Visit') : $accesses.' '.get_lang('Visits');
 		if (!empty($number_of_users_who_voted)) {
-			$labels[]= get_lang('Average').' '.$point_info['point_average_star'].'/5';
+			$labels[] = get_lang('Average').' '.$point_info['point_average_star'].'/5';
 		}
 
-		$labels[]= $point_info['user_vote']  ? get_lang('YourVote').' ['.$point_info['user_vote'].']' : get_lang('YourVote'). ' [?] ';
+		$labels[] = $point_info['user_vote'] ? get_lang('YourVote').' ['.$point_info['user_vote'].']' : get_lang('YourVote').' [?] ';
 
 		if (!$add_div_wrapper && api_is_anonymous()) {
-			$labels[]= Display::tag('span', get_lang('LoginToVote'), array('class' => 'error'));
+			$labels[] = Display::tag('span', get_lang('LoginToVote'), array('class' => 'error'));
 		}
 
-        $html .= Display::div(implode(' | ', $labels) , array('id' =>  'vote_label_'.$id, 'class' => 'vote_label_info'));
+        $html .= Display::div(implode(' | ', $labels), array('id' =>  'vote_label_'.$id, 'class' => 'vote_label_info'));
         $html .= ' '.Display::span(' ', array('id' =>  'vote_label2_'.$id));
 
         if ($add_div_wrapper) {
@@ -1764,8 +1764,8 @@ 
         if (!empty($list)) {
             $html = '<dl class="dl-horizontal">';
             foreach ($list as $item) {
-                $html .= '<dt>' . $item['title'] . '</dt>';
-                $html .= '<dd>' . $item['content'] . '</dd>';
+                $html .= '<dt>'.$item['title'].'</dt>';
+                $html .= '<dd>'.$item['content'].'</dd>';
             }
             $html .= '</dl>';
         }
@@ -1807,7 +1807,7 @@ 
      * @param string $type
      * @return null|string
      */
-    public static function badge($count, $type ="warning")
+    public static function badge($count, $type = "warning")
     {
         $class = '';
 
@@ -1883,7 +1883,7 @@ 
         if (!empty($content)) {
             $html = '<span class="label '.$class.'">';
             $html .= $content;
-            $html .='</span>';
+            $html .= '</span>';
         }
 
         return $html;
@@ -1904,7 +1904,7 @@ 
                     $class = 'class ="active"';
                 }
 
-                if (basename($_SERVER['REQUEST_URI']) == basename($value['url']) ) {
+                if (basename($_SERVER['REQUEST_URI']) == basename($value['url'])) {
                     $class = 'class ="active"';
                 }
                 $html .= "<li $class >";
@@ -2155,7 +2155,7 @@ 
         }
         $label = $nextValue + $localCounter + 1;
         if ($isMedia) {
-            $label = ($fixedValue + 1) .' '.chr(97 + $localCounter);
+            $label = ($fixedValue + 1).' '.chr(97 + $localCounter);
             $link_to_show = $link.$fixedValue.'#questionanchor'.$itemId;
         }
         $link = Display::url($label.' ', $link_to_show, $linkAttributes);
@@ -2267,7 +2267,7 @@ 
      */
     public static function getVCardUserLink($userId)
     {
-        $vCardUrl = api_get_path(WEB_PATH).'main/social/vcard_export.php?userId='.intval($userId);;
+        $vCardUrl = api_get_path(WEB_PATH).'main/social/vcard_export.php?userId='.intval($userId); ;
 
         return $vCardUrl;
     }
@@ -2285,7 +2285,7 @@ 
     {
         $title = !empty($title) ? '<div class="panel-heading"><h3 class="panel-title">'.$title.'</h3>'.$extra.'</div>' : '';
         $footer = !empty($footer) ? '<div class="panel-footer ">'.$footer.'</div>' : '';
-        $styles = ['primary','success','info','warning','danger'];
+        $styles = ['primary', 'success', 'info', 'warning', 'danger'];
         $style = !in_array($style, $styles) ? 'default' : $style;
 
         return '
@@ -2330,7 +2330,7 @@ 
         $attributes['class'] = isset($attributes['class']) ? "$buttonClass {$attributes['class']}" : $buttonClass;
 
         if (!$includeText) {
-            $text = '<span class="sr-only">' . $text . '</span>';
+            $text = '<span class="sr-only">'.$text.'</span>';
         }
 
         return self::url("$icon $text", $url, $attributes);
@@ -2345,16 +2345,16 @@ 
      */
     public static function toolbarAction($id, $content = array(), $col = 2, $right = true)
     {
-        $columns = 12/$col;
+        $columns = 12 / $col;
         $html = '';
-        $html .= '<div id="' . $id . '" class="actions">';
+        $html .= '<div id="'.$id.'" class="actions">';
         $html .= '<div class="row">';
         if ($col > 4) {
             $html = '<div class="alert alert-warning" role="alert">Action toolbar design does not work when exceeding four columns - check Display::toolbarAction()</div>';
         } else {
-            for ( $i = 0; $i < $col; $i++ ) {
-                $html .= '<div class="col-md-' . $columns . '">';
-                if ( $col == 2 && $i == 1 ) {
+            for ($i = 0; $i < $col; $i++) {
+                $html .= '<div class="col-md-'.$columns.'">';
+                if ($col == 2 && $i == 1) {
                     if ($right === true) {
                         $html .= '<div class="pull-right">';
                         $html .= (isset($content[$i]) ? $content[$i] : '');
@@ -2469,9 +2469,9 @@ 
             $params['class'] = 'panel panel-default';
             $html = null;
             if (!empty($title)) {
-                $html .= '<div class="panel-heading">'.$title.'</div>' . PHP_EOL;
+                $html .= '<div class="panel-heading">'.$title.'</div>'.PHP_EOL;
             }
-            $html.= '<div class="panel-body">'.$content.'</div>' . PHP_EOL;
+            $html .= '<div class="panel-body">'.$content.'</div>'.PHP_EOL;
             $html = Display::div($html, $params);
         }
         return $html;

main/inc/lib/exercise.lib.php

Doc Comments +9 added lines, -6 removed lines

@@ -1255,6 +1255,7 @@ 
 
     /**
      * Validates the time control key
+     * @param integer $exercise_id
      */
     public static function exercise_time_control_is_valid(
         $exercise_id,
@@ -1388,7 +1389,7 @@ 
      * @param int $in_direction
      * @param string $in_hotpot_path
      * @param bool $in_get_count
-     * @param null $where_condition
+     * @param string $where_condition
      * @return array|int
      */
     public static function get_exam_results_hotpotatoes_data(
@@ -2179,7 +2180,7 @@ 
     /**
      * Return true if pass_pourcentage activated (we use the pass pourcentage feature
      * return false if pass_percentage = 0 (we don't use the pass pourcentage feature
-     * @param $in_pass_pourcentage
+     * @param string $in_pass_pourcentage
      * @return boolean
      * In this version, pass_percentage and show_success_message are disabled if
      * pass_percentage is set to 0
@@ -2192,7 +2193,7 @@ 
     /**
      * Converts a numeric value in a percentage example 0.66666 to 66.67 %
      * @param $value
-     * @return float Converted number
+     * @return string Converted number
      */
     public static function convert_to_percentage($value)
     {
@@ -2208,7 +2209,7 @@ 
      * @param   float $score
      * @param   float $weight
      * @deprecated seem not to be used
-     * @return  float   the score rounded converted to the new range
+     * @return  string|null   the score rounded converted to the new range
      */
     public static function convert_score($score, $weight)
     {
@@ -2759,6 +2760,7 @@ 
      * @param    int        exercise id
      * @param    int    $courseId
      * @param    int        session id
+     * @param integer $user_count
      * @return    float    Best average score
      */
     public static function get_best_average_score_by_exercise(
@@ -3198,8 +3200,9 @@ 
     }
 
     /**
-     * @param array $answer
+     * @param string|null $answer
      * @param string $user_answer
+     * @param string|null $current_answer
      * @return array
      */
     public static function check_fill_in_blanks($answer, $user_answer, $current_answer)
@@ -3805,7 +3808,7 @@ 
 
     /**
      * @param int $countLetter
-     * @return mixed
+     * @return string
      */
     public static function detectInputAppropriateClass($countLetter)
     {

Spacing +115 added lines, -115 removed lines

@@ -65,7 +65,7 @@ 
                 if ($show_title) {
                     TestCategory::displayCategoryAndTitle($objQuestionTmp->id);
                     echo Display::div(
-                        $current_item . '. ' . $objQuestionTmp->selectTitle(),
+                        $current_item.'. '.$objQuestionTmp->selectTitle(),
                         array('class' => 'question_title')
                     );
                 }
@@ -161,8 +161,8 @@ 
                 $config = array(
                     'ToolbarSet' => 'TestFreeAnswer'
                 );
-                $form->addHtmlEditor("choice[" . $questionId . "]", null, false, false, $config);
-                $form->setDefaults(array("choice[" . $questionId . "]" => $fck_content));
+                $form->addHtmlEditor("choice[".$questionId."]", null, false, false, $config);
+                $form->setDefaults(array("choice[".$questionId."]" => $fck_content));
                 $s .= $form->returnForm();
             } elseif ($answerType == ORAL_EXPRESSION) {
                 // Add nanog
@@ -191,7 +191,7 @@ 
                 $config = array(
                     'ToolbarSet' => 'TestFreeAnswer'
                 );
-                $form->addHtmlEditor("choice[" . $questionId . "]", null, false, false, $config);
+                $form->addHtmlEditor("choice[".$questionId."]", null, false, false, $config);
                 //$form->setDefaults(array("choice[" . $questionId . "]" => $fck_content));
                 $s .= $form->returnForm();
             }
@@ -272,7 +272,7 @@ 
 
                 // Unique answer
                 if (in_array($answerType, [UNIQUE_ANSWER, UNIQUE_ANSWER_NO_OPTION, UNIQUE_ANSWER_IMAGE])) {
-                    $input_id = 'choice-' . $questionId . '-' . $answerId;
+                    $input_id = 'choice-'.$questionId.'-'.$answerId;
                     if (isset($user_choice[0]['answer']) && $user_choice[0]['answer'] == $numAnswer) {
                         $attributes = array(
                             'id' => $input_id,
@@ -297,14 +297,14 @@ 
                     if ($answerType == UNIQUE_ANSWER_IMAGE) {
                         if ($show_comment) {
                             if (empty($comment)) {
-                                $s .= '<div id="answer' . $questionId . $numAnswer . '" '
+                                $s .= '<div id="answer'.$questionId.$numAnswer.'" '
                                     . 'class="exercise-unique-answer-image" style="text-align: center">';
                             } else {
-                                $s .= '<div id="answer' . $questionId . $numAnswer . '" '
+                                $s .= '<div id="answer'.$questionId.$numAnswer.'" '
                                     . 'class="exercise-unique-answer-image col-xs-6 col-sm-12" style="text-align: center">';
                             }
                         } else {
-                            $s .= '<div id="answer' . $questionId . $numAnswer . '" '
+                            $s .= '<div id="answer'.$questionId.$numAnswer.'" '
                                 . 'class="exercise-unique-answer-image col-xs-6 col-md-3" style="text-align: center">';
                         }
                     }
@@ -312,7 +312,7 @@ 
                     $answer = Security::remove_XSS($answer, STUDENT);
                     $s .= Display::input(
                         'hidden',
-                        'choice2[' . $questionId . ']',
+                        'choice2['.$questionId.']',
                         '0'
                     );
 
@@ -320,13 +320,13 @@ 
 
                     if ($answerType == UNIQUE_ANSWER_IMAGE) {
                         $attributes['style'] = 'display: none;';
-                        $answer = '<div class="thumbnail">' . $answer . '</div>';
+                        $answer = '<div class="thumbnail">'.$answer.'</div>';
                     }
 
                     $answer_input .= '<label class="radio">';
                     $answer_input .= Display::input(
                         'radio',
-                        'choice[' . $questionId . ']',
+                        'choice['.$questionId.']',
                         $numAnswer,
                         $attributes
                     );
@@ -353,7 +353,7 @@ 
                     $answerType == MULTIPLE_ANSWER_TRUE_FALSE ||
                     $answerType == GLOBAL_MULTIPLE_ANSWER
                 ) {
-                    $input_id = 'choice-' . $questionId . '-' . $answerId;
+                    $input_id = 'choice-'.$questionId.'-'.$answerId;
                     $answer = Security::remove_XSS($answer, STUDENT);
 
                     if (in_array($numAnswer, $user_choice_array)) {
@@ -374,12 +374,12 @@ 
                     }
 
                     if ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
-                        $s .= '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
+                        $s .= '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
 
                         $answer_input = '<label class="checkbox">';
                         $answer_input .= Display::input(
                             'checkbox',
-                            'choice[' . $questionId . '][' . $numAnswer . ']',
+                            'choice['.$questionId.']['.$numAnswer.']',
                             $numAnswer,
                             $attributes
                         );
@@ -432,7 +432,7 @@ 
                                     'td',
                                     Display::input(
                                         'radio',
-                                        'choice[' . $questionId . '][' . $numAnswer . ']',
+                                        'choice['.$questionId.']['.$numAnswer.']',
                                         $id,
                                         $attributes
                                     ),
@@ -450,7 +450,7 @@ 
                     }
                 } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION) {
                     // multiple answers
-                    $input_id = 'choice-' . $questionId . '-' . $answerId;
+                    $input_id = 'choice-'.$questionId.'-'.$answerId;
 
                     if (in_array($numAnswer, $user_choice_array)) {
                         $attributes = array(
@@ -470,11 +470,11 @@ 
                     }
 
                     $answer = Security::remove_XSS($answer, STUDENT);
-                    $answer_input = '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
+                    $answer_input = '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
                     $answer_input .= '<label class="checkbox">';
                     $answer_input .= Display::input(
                         'checkbox',
-                        'choice[' . $questionId . '][' . $numAnswer . ']',
+                        'choice['.$questionId.']['.$numAnswer.']',
                         1,
                         $attributes
                     );
@@ -495,7 +495,7 @@ 
                     }
 
                 } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
-                    $s .= '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
+                    $s .= '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
 
                     $my_choice = array();
                     if (!empty($user_choice_array)) {
@@ -530,7 +530,7 @@ 
                             'td',
                             Display::input(
                                 'radio',
-                                'choice[' . $questionId . '][' . $numAnswer . ']',
+                                'choice['.$questionId.']['.$numAnswer.']',
                                 $key,
                                 $attributes
                             )
@@ -626,8 +626,8 @@ 
                     $trackAttempts = Database::get_main_table(
                         TABLE_STATISTIC_TRACK_E_ATTEMPT
                     );
-                    $sql = 'SELECT answer FROM ' . $trackAttempts . '
-                            WHERE exe_id=' . $exe_id . ' AND question_id=' . $questionId;
+                    $sql = 'SELECT answer FROM '.$trackAttempts.'
+                            WHERE exe_id=' . $exe_id.' AND question_id='.$questionId;
                     $rsLastAttempt = Database::query($sql);
                     $rowLastAttempt = Database::fetch_array($rsLastAttempt);
                     $answer = $rowLastAttempt['answer'];
@@ -697,7 +697,7 @@ 
                                 '',
                                 $answerCorrected
                             );
-                            $answerCorrected = '[' . $answerCorrected . ']';
+                            $answerCorrected = '['.$answerCorrected.']';
                             $studentAnswerList[] = $answerCorrected;
                         }
                     }
@@ -718,7 +718,7 @@ 
                     */
                     $tabComments = api_preg_split(
                         '/\[[^]]+\]/',
-                        ' ' . $answer . ' '
+                        ' '.$answer.' '
                     );
                     if (!empty($correctAnswerList) && !empty($studentAnswerList)) {
                         $answer = "";
@@ -735,7 +735,7 @@ 
                                 $size
                             );
 
-                            $answer .= $tabComments[$i] .
+                            $answer .= $tabComments[$i].
                                 Display::input(
                                     'text',
                                     "choice[$questionId][]",
@@ -781,12 +781,12 @@ 
                         $s .= '<tr><td width="45%" valign="top">';
                         $parsed_answer = $answer;
                         //left part questions
-                        $s .= '<p class="indent">' . $lines_count . '.&nbsp;' . $parsed_answer . '</p></td>';
+                        $s .= '<p class="indent">'.$lines_count.'.&nbsp;'.$parsed_answer.'</p></td>';
                         //middle part (matches selects)
 
                         $s .= '<td width="10%" valign="top" align="center" >
                                 <div class="select-matching">
-                                <select name="choice[' . $questionId . '][' . $numAnswer . ']">';
+                                <select name="choice[' . $questionId.']['.$numAnswer.']">';
 
                         // fills the list-box
                         foreach ($select_items as $key => $val) {
@@ -802,14 +802,14 @@ 
                             if (isset($user_choice_array_position[$numAnswer]) && $val['id'] == $user_choice_array_position[$numAnswer]) {
                                 $selected = 'selected="selected"';
                             }
-                            $s .= '<option value="' . $val['id'] . '" ' . $selected . '>' . $val['letter'] . '</option>';
+                            $s .= '<option value="'.$val['id'].'" '.$selected.'>'.$val['letter'].'</option>';
 
                         }  // end foreach()
 
                         $s .= '</select></div></td><td width="5%" class="separate">&nbsp;</td>';
                         $s .= '<td width="40%" valign="top" >';
                         if (isset($select_items[$lines_count])) {
-                            $s .= '<div class="text-right"><p class="indent">' . $select_items[$lines_count]['letter'].'.&nbsp; '. $select_items[$lines_count]['answer'].'</p></div>';
+                            $s .= '<div class="text-right"><p class="indent">'.$select_items[$lines_count]['letter'].'.&nbsp; '.$select_items[$lines_count]['answer'].'</p></div>';
                         } else {
                             $s .= '&nbsp;';
                         }
@@ -824,7 +824,7 @@ 
                                 $s .= '<tr>
                                       <td colspan="2"></td>
                                       <td valign="top">';
-                                $s .= '<b>' . $select_items[$lines_count]['letter'] . '.</b> ' . $select_items[$lines_count]['answer'];
+                                $s .= '<b>'.$select_items[$lines_count]['letter'].'.</b> '.$select_items[$lines_count]['answer'];
                                 $s .= "</td>
                                 </tr>";
                                 $lines_count++;
@@ -840,9 +840,9 @@ 
                         $data = $objAnswerTmp->getAnswerByAutoId($data['correct']);
                         $lines_count = $data['answer'];*/
 
-                        $windowId = $questionId . '_' . $lines_count;
+                        $windowId = $questionId.'_'.$lines_count;
 
-                        $s .= '<li class="touch-items" id="' . $windowId . '">';
+                        $s .= '<li class="touch-items" id="'.$windowId.'">';
                         $s .= Display::div(
                             $parsed_answer,
                             [
@@ -900,7 +900,7 @@ 
                                 Display::tag(
                                     'b',
                                     $select_items[$lines_count]['letter']
-                                ) . $select_items[$lines_count]['answer'],
+                                ).$select_items[$lines_count]['answer'],
                                 [
                                     'id' => "window_{$windowId}_answer",
                                     'style' => 'display: none;'
@@ -1044,7 +1044,7 @@ 
 
             if ($show_comment) {
                 $s .= '</table>';
-            } elseif(
+            } elseif (
                 in_array(
                     $answerType,
                     [
@@ -1069,7 +1069,7 @@ 
 
                 for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
                     $answerCorrect = $objAnswerTmp->isCorrect($answerId);
-                    $windowId = $questionId . '_' . $counterAnswer;
+                    $windowId = $questionId.'_'.$counterAnswer;
 
                     if ($answerCorrect) {
                         $s .= Display::div(
@@ -1114,7 +1114,7 @@ 
                 $course = api_get_course_info();
                 $doc_id = DocumentManager::get_document_id(
                     $course,
-                    '/images/' . $pictureName
+                    '/images/'.$pictureName
                 );
                 if (is_numeric($doc_id)) {
                     $images_folder_visibility = api_get_item_visibility(
@@ -1139,7 +1139,7 @@ 
                 echo "
                     <script>
                         $(document).on('ready', function () {
-                            new " . ($answerType == HOT_SPOT ?  "HotspotQuestion" : "DelineationQuestion" ) . "({
+                            new " . ($answerType == HOT_SPOT ? "HotspotQuestion" : "DelineationQuestion")."({
                                 questionId: $questionId,
                                 exerciseId: $exerciseId,
                                 selector: '#hotspot-preview-$questionId',
@@ -1173,7 +1173,7 @@ 
             if ($answerType != HOT_SPOT_DELINEATION) {
                 $answerList = '
                     <div class="well well-sm">
-                        <h5 class="page-header">' . get_lang('HotspotZones') . '</h5>
+                        <h5 class="page-header">' . get_lang('HotspotZones').'</h5>
                         <ol>
                 ';
 
@@ -1198,7 +1198,7 @@ 
             if (!$only_questions) {
                 if ($show_title) {
                     TestCategory::displayCategoryAndTitle($objQuestionTmp->id);
-                    echo '<div class="question_title">' . $current_item . '. ' . $questionName . '</div>';
+                    echo '<div class="question_title">'.$current_item.'. '.$questionName.'</div>';
                 }
                 //@todo I need to the get the feedback type
                 echo <<<HOTSPOT
@@ -1216,7 +1216,7 @@ 
                                 <div class=\"hotspot-image\"></div>
                                 <script>
                                     $(document).on('ready', function () {
-                                        new " . ($answerType == HOT_SPOT_DELINEATION ? 'DelineationQuestion' : 'HotspotQuestion') . "({
+                                        new " . ($answerType == HOT_SPOT_DELINEATION ? 'DelineationQuestion' : 'HotspotQuestion')."({
                                             questionId: $questionId,
                                             exerciseId: $exe_id,
                                             selector: '#question_div_' + $questionId + ' .hotspot-image',
@@ -1335,11 +1335,11 @@ 
         $lp_id = intval($lp_id);
         $lp_item_id = intval($lp_item_id);
         return
-            api_get_course_int_id() . '_' .
-            api_get_session_id() . '_' .
-            $exercise_id . '_' .
-            api_get_user_id() . '_' .
-            $lp_id . '_' .
+            api_get_course_int_id().'_'.
+            api_get_session_id().'_'.
+            $exercise_id.'_'.
+            api_get_user_id().'_'.
+            $lp_id.'_'.
             $lp_item_id;
     }
 
@@ -1451,14 +1451,14 @@ 
         $res = Database::query($sql);
         $result = array();
         $apiIsAllowedToEdit = api_is_allowed_to_edit();
-        $urlBase = api_get_path(WEB_CODE_PATH) .
-            'exercice/hotpotatoes_exercise_report.php?action=delete&' .
-            api_get_cidreq() . '&id=';
+        $urlBase = api_get_path(WEB_CODE_PATH).
+            'exercice/hotpotatoes_exercise_report.php?action=delete&'.
+            api_get_cidreq().'&id=';
         while ($data = Database::fetch_array($res)) {
             $actions = null;
 
             if ($apiIsAllowedToEdit) {
-                $url = $urlBase . $data['id'] . '&path=' . $data['exe_name'];
+                $url = $urlBase.$data['id'].'&path='.$data['exe_name'];
                 $actions = Display::url(
                     Display::return_icon('delete.png', get_lang('Delete')),
                     $url
@@ -1474,7 +1474,7 @@ 
                     GroupManager::get_user_group_name($data['user_id'])
                 ),
                 'exe_date' => $data['exe_date'],
-                'score' => $data['exe_result'] . ' / ' . $data['exe_weighting'],
+                'score' => $data['exe_result'].' / '.$data['exe_weighting'],
                 'actions' => $actions,
             );
         }
@@ -1557,18 +1557,18 @@ 
         $TBL_TRACK_HOTPOTATOES = Database:: get_main_table(TABLE_STATISTIC_TRACK_E_HOTPOTATOES);
         $TBL_TRACK_ATTEMPT_RECORDING = Database:: get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT_RECORDING);
 
-        $session_id_and = ' AND te.session_id = ' . $sessionId . ' ';
+        $session_id_and = ' AND te.session_id = '.$sessionId.' ';
         $exercise_id = intval($exercise_id);
 
         $exercise_where = '';
         if (!empty($exercise_id)) {
-            $exercise_where .= ' AND te.exe_exo_id = ' . $exercise_id . '  ';
+            $exercise_where .= ' AND te.exe_exo_id = '.$exercise_id.'  ';
         }
 
         $hotpotatoe_where = '';
         if (!empty($_GET['path'])) {
             $hotpotatoe_path = Database::escape_string($_GET['path']);
-            $hotpotatoe_where .= ' AND exe_name = "' . $hotpotatoe_path . '"  ';
+            $hotpotatoe_where .= ' AND exe_name = "'.$hotpotatoe_path.'"  ';
         }
 
         // sql for chamilo-type tests for teacher / tutor view
@@ -1580,7 +1580,7 @@ 
             WHERE
                 c_id = $course_id AND
                 exe_exo_id = $exercise_id AND
-                ttte.session_id = " . $sessionId . "
+                ttte.session_id = ".$sessionId."
         )";
 
         if ($is_allowedToEdit) {
@@ -1603,9 +1603,9 @@ 
                         g.id as group_id
                     FROM $TBL_USER u
                     INNER JOIN $TBL_GROUP_REL_USER gru
-                    ON (gru.user_id = u.user_id AND gru.c_id=" . $course_id . ")
+                    ON (gru.user_id = u.user_id AND gru.c_id=".$course_id.")
                     INNER JOIN $TBL_GROUP g
-                    ON (gru.group_id = g.id AND g.c_id=" . $course_id . ")
+                    ON (gru.group_id = g.id AND g.c_id=".$course_id.")
                 )";
             }
 
@@ -1667,9 +1667,9 @@ 
                     g.id as group_id
                 FROM $TBL_USER u
                 LEFT OUTER JOIN $TBL_GROUP_REL_USER gru
-                ON ( gru.user_id = u.user_id AND gru.c_id=" . $course_id . " )
+                ON ( gru.user_id = u.user_id AND gru.c_id=".$course_id." )
                 LEFT OUTER JOIN $TBL_GROUP g
-                ON (gru.group_id = g.id AND g.c_id = " . $course_id . ")
+                ON (gru.group_id = g.id AND g.c_id = ".$course_id.")
             )";
             }
 
@@ -1682,12 +1682,12 @@ 
             (
                 SELECT u.user_id, firstname, lastname, email, username, ' ' as group_name, '' as group_id, official_code
                 FROM $TBL_USER u
-                WHERE u.status NOT IN(" . api_get_users_status_ignored_in_reports('string') . ")
+                WHERE u.status NOT IN(".api_get_users_status_ignored_in_reports('string').")
             )";
             }
 
             $sqlFromOption = " , $TBL_GROUP_REL_USER AS gru ";
-            $sqlWhereOption = "  AND gru.c_id = " . $course_id ." AND gru.user_id = user.user_id ";
+            $sqlWhereOption = "  AND gru.c_id = ".$course_id." AND gru.user_id = user.user_id ";
             $first_and_last_name = api_is_western_name_order() ? "firstname, lastname" : "lastname, firstname";
 
             if ($get_count) {
@@ -1724,8 +1724,8 @@ 
                 ON (user.user_id = exe_user_id)
                 WHERE
                     te.status != 'incomplete' AND
-                    te.c_id = " . $course_id . " $session_id_and AND
-                    ce.active <>-1 AND ce.c_id = " . $course_id . "
+                    te.c_id = ".$course_id." $session_id_and AND
+                    ce.active <>-1 AND ce.c_id = ".$course_id."
                     $exercise_where
                     $extra_where_conditions
                 ";
@@ -1752,12 +1752,12 @@ 
                     $sqlFromOption
                 WHERE
                     user.user_id=tth.exe_user_id
-                    AND tth.c_id = " . $course_id . "
+                    AND tth.c_id = ".$course_id."
                     $hotpotatoe_where
                     $sqlWhereOption
-                    AND user.status NOT IN(" . api_get_users_status_ignored_in_reports(
+                    AND user.status NOT IN(".api_get_users_status_ignored_in_reports(
                     'string'
-                ) . ")
+                ).")
                 ORDER BY
                     tth.c_id ASC,
                     tth.exe_date DESC";
@@ -1830,12 +1830,12 @@ 
 
                     if ($from_gradebook && ($is_allowedToEdit)) {
                         if (in_array(
-                            $results[$i]['username'] . $results[$i]['firstname'] . $results[$i]['lastname'],
+                            $results[$i]['username'].$results[$i]['firstname'].$results[$i]['lastname'],
                             $users_array_id
                         )) {
                             continue;
                         }
-                        $users_array_id[] = $results[$i]['username'] . $results[$i]['firstname'] . $results[$i]['lastname'];
+                        $users_array_id[] = $results[$i]['username'].$results[$i]['firstname'].$results[$i]['lastname'];
                     }
 
                     $lp_obj = isset($results[$i]['orig_lp_id']) && isset($lp_list[$results[$i]['orig_lp_id']]) ? $lp_list[$results[$i]['orig_lp_id']] : null;
@@ -1844,8 +1844,8 @@ 
                     if ($lp_obj) {
                         $url = api_get_path(
                                 WEB_CODE_PATH
-                            ) . 'newscorm/lp_controller.php?' . api_get_cidreq(
-                            ) . '&action=view&lp_id=' . $results[$i]['orig_lp_id'];
+                            ).'newscorm/lp_controller.php?'.api_get_cidreq(
+                            ).'&action=view&lp_id='.$results[$i]['orig_lp_id'];
                         $lp_name = Display::url(
                             $lp_obj['lp_name'],
                             $url,
@@ -1863,7 +1863,7 @@ 
                         );
 
                         foreach ($group_list as $id) {
-                            $group_name_list .= $clean_group_list[$id] . '<br/>';
+                            $group_name_list .= $clean_group_list[$id].'<br/>';
                         }
                         $results[$i]['group_name'] = $group_name_list;
                     }
@@ -1919,8 +1919,8 @@ 
                                 }
                             }
                             if ($revised) {
-                                $actions .= "<a href='exercise_show.php?" . api_get_cidreq(
-                                    ) . "&action=edit&id=$id'>" .
+                                $actions .= "<a href='exercise_show.php?".api_get_cidreq(
+                                    )."&action=edit&id=$id'>".
                                     Display:: return_icon(
                                         'edit.png',
                                         get_lang('Edit'),
@@ -1929,8 +1929,8 @@ 
                                     );
                                 $actions .= '&nbsp;';
                             } else {
-                                $actions .= "<a href='exercise_show.php?" . api_get_cidreq(
-                                    ) . "&action=qualify&id=$id'>" .
+                                $actions .= "<a href='exercise_show.php?".api_get_cidreq(
+                                    )."&action=qualify&id=$id'>".
                                     Display:: return_icon(
                                         'quiz.gif',
                                         get_lang('Qualify')
@@ -1940,12 +1940,12 @@ 
                             $actions .= "</a>";
 
                             if ($filter == 2) {
-                                $actions .= ' <a href="exercise_history.php?' . api_get_cidreq(
-                                    ) . '&exe_id=' . $id . '">' .
+                                $actions .= ' <a href="exercise_history.php?'.api_get_cidreq(
+                                    ).'&exe_id='.$id.'">'.
                                     Display:: return_icon(
                                         'history.gif',
                                         get_lang('ViewHistoryChange')
-                                    ) . '</a>';
+                                    ).'</a>';
                             }
 
                             //Admin can always delete the attempt
@@ -1957,32 +1957,32 @@ 
                                     date('Y-m-d h:i:s'),
                                     false
                                 );
-                                $actions .= '<a href="http://www.whatsmyip.org/ip-geo-location/?ip=' . $ip . '" target="_blank">
+                                $actions .= '<a href="http://www.whatsmyip.org/ip-geo-location/?ip='.$ip.'" target="_blank">
                                 '.Display::return_icon('info.png', $ip).'
                                 </a>';
 
-                                $delete_link = '<a href="exercise_report.php?' . api_get_cidreq() . '&filter_by_user=' . intval($_GET['filter_by_user']) . '&filter=' . $filter . '&exerciseId=' . $exercise_id . '&delete=delete&did=' . $id . '"
+                                $delete_link = '<a href="exercise_report.php?'.api_get_cidreq().'&filter_by_user='.intval($_GET['filter_by_user']).'&filter='.$filter.'&exerciseId='.$exercise_id.'&delete=delete&did='.$id.'"
                                 onclick="javascript:if(!confirm(\'' . sprintf(
                                         get_lang('DeleteAttempt'),
                                         $results[$i]['username'],
                                         $dt
-                                    ) . '\')) return false;">' . Display:: return_icon(
+                                    ).'\')) return false;">'.Display:: return_icon(
                                         'delete.png',
                                         get_lang('Delete')
-                                    ) . '</a>';
+                                    ).'</a>';
                                 $delete_link = utf8_encode($delete_link);
 
                                 if (api_is_drh() && !api_is_platform_admin()) {
                                     $delete_link = null;
                                 }
-                                $actions .= $delete_link . '&nbsp;';
+                                $actions .= $delete_link.'&nbsp;';
                             }
 
                         } else {
                             $attempt_url = api_get_path(
                                     WEB_CODE_PATH
-                                ) . 'exercice/result.php?' . api_get_cidreq(
-                                ) . '&id=' . $results[$i]['exe_id'] . '&id_session=' . $sessionId;
+                                ).'exercice/result.php?'.api_get_cidreq(
+                                ).'&id='.$results[$i]['exe_id'].'&id_session='.$sessionId;
                             $attempt_link = Display::url(
                                 get_lang('Show'),
                                 $attempt_url,
@@ -2039,7 +2039,7 @@ 
                     $hp_result = round(
                             ($hpresults[$i][4] / ($hpresults[$i][5] != 0 ? $hpresults[$i][5] : 1)) * 100,
                             2
-                        ) . '% (' . $hpresults[$i][4] . ' / ' . $hpresults[$i][5] . ')';
+                        ).'% ('.$hpresults[$i][4].' / '.$hpresults[$i][5].')';
                     if ($is_allowedToEdit) {
                         $list_info[] = array(
                             $hpresults[$i][0],
@@ -2112,13 +2112,13 @@ 
 
         $html = null;
         if ($show_percentage) {
-            $parent = '(' . $score . ' / ' . $weight . ')';
-            $html = $percentage . "%  $parent";
+            $parent = '('.$score.' / '.$weight.')';
+            $html = $percentage."%  $parent";
             if ($show_only_percentage) {
-                $html = $percentage . "% ";
+                $html = $percentage."% ";
             }
         } else {
-            $html = $score . ' / ' . $weight;
+            $html = $score.' / '.$weight;
         }
         $html = Display::span($html, array('class' => 'score_exercise'));
 
@@ -2212,7 +2212,7 @@ 
     {
         $return = '-';
         if ($value != '') {
-            $return = float_format($value * 100, 1) . ' %';
+            $return = float_format($value * 100, 1).' %';
         }
         return $return;
     }
@@ -2290,7 +2290,7 @@ 
         }
 
         $needle_where = !empty($search) ? " AND title LIKE '?' " : '';
-        $needle = !empty($search) ? "%" . $search . "%" : '';
+        $needle = !empty($search) ? "%".$search."%" : '';
 
         // Show courses by active status
         $active_sql = '';
@@ -2305,7 +2305,7 @@ 
         if ($search_all_sessions == true) {
             $conditions = array(
                 'where' => array(
-                    $active_sql . ' c_id = ? ' . $needle_where . $time_conditions => array(
+                    $active_sql.' c_id = ? '.$needle_where.$time_conditions => array(
                         $course_id,
                         $needle
                     )
@@ -2316,7 +2316,7 @@ 
             if ($session_id == 0) {
                 $conditions = array(
                     'where' => array(
-                        $active_sql . ' session_id = ? AND c_id = ? ' . $needle_where . $time_conditions => array(
+                        $active_sql.' session_id = ? AND c_id = ? '.$needle_where.$time_conditions => array(
                             $session_id,
                             $course_id,
                             $needle
@@ -2327,7 +2327,7 @@ 
             } else {
                 $conditions = array(
                     'where' => array(
-                        $active_sql . ' (session_id = 0 OR session_id = ? ) AND c_id = ? ' . $needle_where . $time_conditions => array(
+                        $active_sql.' (session_id = 0 OR session_id = ? ) AND c_id = ? '.$needle_where.$time_conditions => array(
                             $session_id,
                             $course_id,
                             $needle
@@ -2506,7 +2506,7 @@ 
 
             if ($return_string) {
                 if (!empty($position) && !empty($my_ranking)) {
-                    $return_value = $position . '/' . count($my_ranking);
+                    $return_value = $position.'/'.count($my_ranking);
                 } else {
                     $return_value = '-';
                 }
@@ -2586,7 +2586,7 @@ 
 
             if ($return_string) {
                 if (!empty($position) && !empty($my_ranking)) {
-                    return $position . '/' . count($my_ranking);
+                    return $position.'/'.count($my_ranking);
                 }
             }
             return $return_value;
@@ -2986,7 +2986,7 @@ 
             $courseCondition = "
             INNER JOIN $courseUser cu
             ON cu.c_id = c.id AND cu.user_id  = exe_user_id";
-            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = " . STUDENT;
+            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = ".STUDENT;
         } else {
             $courseCondition = "
             INNER JOIN $courseUserSession cu
@@ -3061,7 +3061,7 @@ 
             $courseCondition = "
             INNER JOIN $courseUser cu
             ON cu.c_id = c.id AND cu.user_id  = exe_user_id";
-            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = " . STUDENT;
+            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = ".STUDENT;
         } else {
             $courseCondition = "
             INNER JOIN $courseUserSession cu
@@ -3153,7 +3153,7 @@ 
             $courseCondition = "
             INNER JOIN $courseUser cu
             ON cu.c_id = c.id AND cu.user_id  = exe_user_id";
-            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = " . STUDENT;
+            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = ".STUDENT;
         } else {
             $courseCondition = "
             INNER JOIN $courseUserSession cu
@@ -3335,7 +3335,7 @@ 
                 }
             }
             // adds the correct word, followed by ] to close the blank
-            $answer .= ' / <font color="green"><b>' . $real_correct_tags[$i] . '</b></font>]';
+            $answer .= ' / <font color="green"><b>'.$real_correct_tags[$i].'</b></font>]';
             if (isset ($real_text[$i + 1])) {
                 $answer .= $real_text[$i + 1];
             }
@@ -3394,13 +3394,13 @@ 
         // check the default value of option
         $tabSelected = array($in_default => " selected='selected' ");
         $res = "";
-        $res .= "<select name='$in_name' id='$in_name' onchange='" . $in_onchange . "' >";
-        $res .= "<option value='-1'" . $tabSelected["-1"] . ">-- " . get_lang(
+        $res .= "<select name='$in_name' id='$in_name' onchange='".$in_onchange."' >";
+        $res .= "<option value='-1'".$tabSelected["-1"].">-- ".get_lang(
                 'AllGroups'
-            ) . " --</option>";
-        $res .= "<option value='0'" . $tabSelected["0"] . ">- " . get_lang(
+            )." --</option>";
+        $res .= "<option value='0'".$tabSelected["0"].">- ".get_lang(
                 'NotInAGroup'
-            ) . " -</option>";
+            )." -</option>";
         $tabGroups = GroupManager::get_group_list();
         $currentCatId = 0;
         for ($i = 0; $i < count($tabGroups); $i++) {
@@ -3408,10 +3408,10 @@ 
                 $tabGroups[$i]["id"]
             );
             if ($tabCategory["id"] != $currentCatId) {
-                $res .= "<option value='-1' disabled='disabled'>" . $tabCategory["title"] . "</option>";
+                $res .= "<option value='-1' disabled='disabled'>".$tabCategory["title"]."</option>";
                 $currentCatId = $tabCategory["id"];
             }
-            $res .= "<option " . $tabSelected[$tabGroups[$i]["id"]] . "style='margin-left:40px' value='" . $tabGroups[$i]["id"] . "'>" . $tabGroups[$i]["name"] . "</option>";
+            $res .= "<option ".$tabSelected[$tabGroups[$i]["id"]]."style='margin-left:40px' value='".$tabGroups[$i]["id"]."'>".$tabGroups[$i]["name"]."</option>";
         }
         $res .= "</select>";
         return $res;
@@ -3643,14 +3643,14 @@ 
                 if ($show_results) {
                     $comnt = Event::get_comments($exe_id, $questionId);
                     if (!empty($comnt)) {
-                        echo '<b>' . get_lang('Feedback') . '</b>';
-                        echo '<div id="question_feedback">' . $comnt . '</div>';
+                        echo '<b>'.get_lang('Feedback').'</b>';
+                        echo '<div id="question_feedback">'.$comnt.'</div>';
                     }
                 }
 
                 if ($show_results) {
                     $score = array(
-                        'result' => get_lang('Score') . " : " . self::show_score(
+                        'result' => get_lang('Score')." : ".self::show_score(
                                 $my_total_score,
                                 $my_total_weight,
                                 false,
@@ -3724,13 +3724,13 @@ 
         }
 
         if ($show_all_but_expected_answer) {
-            $exercise_content .= "<div class='normal-message'>" . get_lang(
+            $exercise_content .= "<div class='normal-message'>".get_lang(
                     "ExerciseWithFeedbackWithoutCorrectionComment"
-                ) . "</div>";
+                )."</div>";
         }
         // Remove audio auto play from questions on results page - refs BT#7939
         $exercise_content = preg_replace(
-            ['/autoplay[\=\".+\"]+/','/autostart[\=\".+\"]+/'],
+            ['/autoplay[\=\".+\"]+/', '/autostart[\=\".+\"]+/'],
             '',
             $exercise_content
         );
@@ -3824,11 +3824,11 @@ 
                     $ribbon_total_success_or_error = ' ribbon-total-error';
                 }
             }
-            $ribbon .= '<div class="total ' . $ribbon_total_success_or_error . '">';
+            $ribbon .= '<div class="total '.$ribbon_total_success_or_error.'">';
         } else {
             $ribbon .= '<div class="total">';
         }
-        $ribbon .= '<h3>' . get_lang('YourTotalScore') . ":&nbsp;";
+        $ribbon .= '<h3>'.get_lang('YourTotalScore').":&nbsp;";
         $ribbon .= self::show_score($score, $weight, false, true);
         $ribbon .= '</h3>';
         $ribbon .= '</div>';