diff --git a/main/document/document.php b/main/document/document.php
index 520e2c91da..f193d48b0a 100755
--- a/main/document/document.php
+++ b/main/document/document.php
@@ -1913,20 +1913,20 @@ if (!empty($documentAndFolders)) {
                 $displaySize = format_file_size($document_data['size']);
             }
 
-            $row[] = '<span style="display:none;">' . $size . '</span>' .
-                $invisibility_span_open .
-                $displaySize .
+            $row[] = '<span style="display:none;">'.$size.'</span>'.
+                $invisibility_span_open.
+                $displaySize.
                 $invisibility_span_close;
 
             // Last edit date
             $last_edit_date = api_get_local_time($document_data['lastedit_date']);
-            $display_date = date_to_str_ago($document_data['lastedit_date']) .
-                ' <div class="muted"><small>' . $last_edit_date . "</small></div>";
+            $display_date = date_to_str_ago($document_data['lastedit_date']).
+                ' <div class="muted"><small>'.$last_edit_date."</small></div>";
 
             /* add last edit date at begin to short by date*/
-            $row[] = "<span style='display: none;'>" . $last_edit_date . "</span>" .
-                $invisibility_span_open .
-                $display_date .
+            $row[] = "<span style='display: none;'>".$last_edit_date."</span>".
+                $invisibility_span_open.
+                $display_date.
                 $invisibility_span_close;
 
             $groupMemberWithEditRightsCheckDocument = GroupManager::allowUploadEditDocument(
@@ -2064,13 +2064,12 @@ $column_show[] = 0;
 
 $column_order = [];
 
-if (count($row) == 12)
-    {
-        //teacher
+if (count($row) == 12) {
+    //teacher
         $column_order[2] = 8; //name
         $column_order[3] = 7; //size
         $column_order[4] = 6; //lastedit_date
-    } elseif (count($row) == 10) {
+} elseif (count($row) == 10) {
     //student
     $column_order[1] = 6;
     $column_order[2] = 5;