Minor - format code, fix PHP warnings

main/attendance/attendance_sheet.php

@@ -106,9 +106,9 @@ if (api_is_allowed_to_edit(null, true) ||
 
     if (!$is_locked_attendance || api_is_platform_admin()) {
 
-        $actionsLeft = '<a style="float:left;" href="index.php?'.api_get_cidreq().'&action=calendar_list&attendance_id='.$attendance_id.$param_gradebook.'">'.
+        $actionsLeft = '<a style="float:left;" href="index.php?'.api_get_cidreq().'&action=calendar_list&attendance_id='.$attendance_id.'">'.
             Display::return_icon('attendance_calendar.png',get_lang('AttendanceCalendar'),'',ICON_SIZE_MEDIUM).'</a>';
-        $actionsLeft .= '<a id="pdf_export" style="float:left;"  href="index.php?'.api_get_cidreq().'&action=attendance_sheet_export_to_pdf&attendance_id='.$attendance_id.$param_gradebook.'&filter='.$default_filter.'&group_id='.$groupId.'">'.
+        $actionsLeft .= '<a id="pdf_export" style="float:left;"  href="index.php?'.api_get_cidreq().'&action=attendance_sheet_export_to_pdf&attendance_id='.$attendance_id.'&filter='.$default_filter.'&group_id='.$groupId.'">'.
             Display::return_icon('pdf.png',get_lang('ExportToPDF'),'',ICON_SIZE_MEDIUM).'</a>';
         //if (count($users_in_course) > 0) {
         $actionsRight = $form->returnForm();
@@ -206,7 +206,7 @@ if (api_is_allowed_to_edit(null, true) ||
             });
         </script>
 
-        <form method="post" action="index.php?action=attendance_sheet_add&<?php echo api_get_cidreq().$param_gradebook.$param_filter ?>&attendance_id=<?php echo $attendance_id?>" >
+        <form method="post" action="index.php?action=attendance_sheet_add&<?php echo api_get_cidreq().$param_filter ?>&attendance_id=<?php echo $attendance_id?>" >
 
             <div class="attendance-sheet-content" style="width:100%;background-color:#E1E1E1;margin-top:20px;">
                 <div class="divTableWithFloatingHeader attendance-users-table" style="width:45%;float:left;margin:0px;padding:0px;">
@@ -297,7 +297,7 @@ if (api_is_allowed_to_edit(null, true) ||
                         }
                     }
                 } else {
-                    $result  = '<th width="2000px"><span><a href="index.php?'.api_get_cidreq().'&action=calendar_list&attendance_id='.$attendance_id.$param_gradebook.'">';
+                    $result  = '<th width="2000px"><span><a href="index.php?'.api_get_cidreq().'&action=calendar_list&attendance_id='.$attendance_id.'">';
                     $result .= Display::return_icon('attendance_calendar.png',get_lang('AttendanceCalendar'),'',ICON_SIZE_MEDIUM).' '.get_lang('GoToAttendanceCalendar').'</a></span></th>';
                 }
 

main/coursecopy/import_backup.php

@@ -45,7 +45,7 @@ require_once 'classes/CourseSelectForm.class.php';
 echo Display::page_header($nameTools);
 
 /* MAIN CODE */
-
+$filename = '';
 if (Security::check_token('post') && (
         (
             isset($_POST['action']) &&