diff --git a/main/admin/statistics/statistics.lib.php b/main/admin/statistics/statistics.lib.php
index fc8a345b09..b0d48c87e1 100755
--- a/main/admin/statistics/statistics.lib.php
+++ b/main/admin/statistics/statistics.lib.php
@@ -32,7 +32,8 @@ class Statistics
         $access_url_rel_course_table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
         $current_url_id = api_get_current_access_url_id();
         if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT COUNT(*) AS number FROM ".$course_table." as c, ".$access_url_rel_course_table." as u WHERE u.course_code=c.code AND access_url_id='".$current_url_id."'";
+            $sql = "SELECT COUNT(*) AS number FROM ".$course_table." as c, ".$access_url_rel_course_table." as u
+                    WHERE u.course_code=c.code AND access_url_id='".$current_url_id."'";
             if (isset ($category_code)) {
                 $sql .= " AND category_code = '".Database::escape_string($category_code)."'";
             }
@@ -98,15 +99,18 @@ class Statistics
         $status_filter = isset($status)?' AND status = '.intval($status):'';
 
         if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT COUNT(DISTINCT(u.user_id)) AS number FROM $user_table as u, $access_url_rel_user_table as url WHERE u.user_id=url.user_id AND access_url_id='".$current_url_id."' $status_filter $active_filter";
+            $sql = "SELECT COUNT(DISTINCT(u.user_id)) AS number FROM $user_table as u, $access_url_rel_user_table as url
+                    WHERE u.user_id=url.user_id AND access_url_id='".$current_url_id."' $status_filter $active_filter";
             if (isset ($category_code)) {
-                $sql = "SELECT COUNT(DISTINCT(cu.user_id)) AS number FROM $course_user_table cu, $course_table c, $access_url_rel_user_table as url WHERE c.code = cu.course_code AND c.category_code = '".Database::escape_string($category_code)."' AND cu.user_id=url.user_id AND access_url_id='".$current_url_id."' $status_filter $active_filter";
+                $sql = "SELECT COUNT(DISTINCT(cu.user_id)) AS number FROM $course_user_table cu, $course_table c, $access_url_rel_user_table as url
+                        WHERE c.code = cu.course_code AND c.category_code = '".Database::escape_string($category_code)."' AND cu.user_id=url.user_id AND access_url_id='".$current_url_id."' $status_filter $active_filter";
             }
         } else {
             $sql = "SELECT COUNT(DISTINCT(user_id)) AS number FROM $user_table WHERE 1=1 $status_filter $active_filter";
             if (isset ($category_code)) {
                 $status_filter = isset($status)?' AND status = '.intval($status):'';
-                $sql = "SELECT COUNT(DISTINCT(cu.user_id)) AS number FROM $course_user_table cu, $course_table c WHERE c.code = cu.course_code AND c.category_code = '".Database::escape_string($category_code)."' $status_filter $active_filter";
+                $sql = "SELECT COUNT(DISTINCT(cu.user_id)) AS number FROM $course_user_table cu, $course_table c
+                        WHERE c.code = cu.course_code AND c.category_code = '".Database::escape_string($category_code)."' $status_filter $active_filter";
             }
         }
 
@@ -125,7 +129,8 @@ class Statistics
         $access_url_rel_session_table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
         if (api_is_multiple_url_enabled()) {
             $current_url_id = api_get_current_access_url_id();
-            $sql = "SELECT COUNT(id) AS number FROM ".$session_table." as s, ".$access_url_rel_session_table." as u WHERE u.session_id=s.id AND access_url_id='".$current_url_id."'";
+            $sql = "SELECT COUNT(id) AS number FROM ".$session_table." as s, ".$access_url_rel_session_table." as u
+                    WHERE u.session_id=s.id AND access_url_id='".$current_url_id."'";
         } else {
             $sql = "SELECT COUNT(id) AS number FROM ".$session_table." ";
         }
@@ -146,9 +151,12 @@ class Statistics
         $access_url_rel_user_table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
         $current_url_id = api_get_current_access_url_id();
         if (api_get_multiple_access_url()) {
-            $sql = "SELECT count(default_id) AS total_number_of_items FROM $track_e_default, $table_user user, $access_url_rel_user_table url WHERE default_user_id = user.user_id AND user.user_id=url.user_id AND access_url_id='".$current_url_id."'";
+            $sql = "SELECT count(default_id) AS total_number_of_items
+                    FROM $track_e_default, $table_user user, $access_url_rel_user_table url
+                    WHERE default_user_id = user.user_id AND user.user_id=url.user_id AND access_url_id='".$current_url_id."'";
         } else {
-            $sql = "SELECT count(default_id) AS total_number_of_items FROM $track_e_default, $table_user user WHERE default_user_id = user.user_id ";
+            $sql = "SELECT count(default_id) AS total_number_of_items FROM $track_e_default, $table_user user
+                    WHERE default_user_id = user.user_id ";
         }
 
         if (isset($_GET['keyword'])) {