diff --git a/main/coursecopy/copy_course_session.php b/main/coursecopy/copy_course_session.php
index 0ab062dc30..2c9f07a6f0 100755
--- a/main/coursecopy/copy_course_session.php
+++ b/main/coursecopy/copy_course_session.php
@@ -31,13 +31,13 @@ $xajax = new xajax();
 $xajax->registerFunction('search_courses');
 
 if (!api_is_allowed_to_edit() && !api_is_session_admin()) {
-	api_not_allowed(true);
+    api_not_allowed(true);
 }
 
 // Remove memory and time limits as much as possible as this might be a long process...
 if (function_exists('ini_set')) {
-	api_set_memory_limit('256M');
-	ini_set('max_execution_time', 1800);
+    api_set_memory_limit('256M');
+    ini_set('max_execution_time', 1800);
 }
 
 $this_section = SECTION_PLATFORM_ADMIN;
@@ -46,247 +46,223 @@ $nameTools = get_lang('CopyCourse');
 $interbreadcrumb[] = array('url' => '../admin/index.php', 'name' => get_lang('PlatformAdmin'));
 
 // Database Table Definitions
-$tbl_session_rel_course_rel_user	= Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
-$tbl_session						= Database::get_main_table(TABLE_MAIN_SESSION);
-$tbl_session_rel_user				= Database::get_main_table(TABLE_MAIN_SESSION_USER);
-$tbl_session_rel_course				= Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
-$tbl_course							= Database::get_main_table(TABLE_MAIN_COURSE);
+$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
+$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
+$tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
+$tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
+$tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
 
 /* FUNCTIONS */
 
-function make_select_session_list($name, $sessions, $attr = array()) {
-	
-	$attrs = '';
-	if (count($attr) > 0) {
-		foreach ($attr as $key => $value) {
-			$attrs .= ' '.$key.'="'.$value.'"';
-		}
-	}	
-	$output = '<select name="'.$name.'" '.$attrs.'>';
-	
-	if (count($sessions) == 0) {
-		$output .= '<option value = "0">'.get_lang('ThereIsNotStillASession').'</option>';
-	} else {
-		$output .= '<option value = "0">'.get_lang('SelectASession').'</option>';
-	}
-
-	if (is_array($sessions)) {
-		foreach ($sessions as $session) {
-            $category_name = '';
+function make_select_session_list($name, $sessions, $attr = array())
+{
+    $attrs = '';
+    if (count($attr) > 0) {
+        foreach ($attr as $key => $value) {
+            $attrs .= ' '.$key.'="'.$value.'"';
+        }
+    }
+    $output = '<select name="'.$name.'" '.$attrs.'>';
+
+    if (count($sessions) == 0) {
+        $output .= '<option value = "0">'.get_lang('ThereIsNotStillASession').'</option>';
+    } else {
+        $output .= '<option value = "0">'.get_lang('SelectASession').'</option>';
+    }
+
+    if (is_array($sessions)) {
+        foreach ($sessions as $session) {
+            $categoryName = '';
             if (!empty($session['category_name'])) {
-                $category_name = ' ('.$session['category_name'].')';
+                $categoryName = ' ('.$session['category_name'].')';
             }
-            
-			$output .= '<option value="'.$session['id'].'">'.$session['name'].' '.$category_name.'</option>';
-		}
-	}
-	$output .= '</select>';
- 	return $output;
+
+            $output .= '<option value="'.$session['id'].'">'.
+                $session['name'].' '.$categoryName.
+            '</option>';
+        }
+    }
+    $output .= '</select>';
+
+    return $output;
 }
 
-function display_form() {
-	$html  = '';
-	$sessions = SessionManager::get_sessions_list(null, array('name ASC'));
-	
-	// Actions
-	$html .= '<div class="actions">';
-	// Link back to the documents overview
-	$html .= '<a href="../admin/index.php">'.Display::return_icon('back.png', get_lang('BackTo').' '.get_lang('PlatformAdmin'),'',ICON_SIZE_MEDIUM).'</a>';
-	$html .= '</div>';
+function display_form()
+{
+    $html  = '';
+    $sessions = SessionManager::get_sessions_list(null, array('name ASC'));
+
+    // Actions
+    $html .= '<div class="actions">';
+    // Link back to the documents overview
+    $html .= '<a href="../admin/index.php">'.
+        Display::return_icon('back.png', get_lang('BackTo').' '.get_lang('PlatformAdmin'),'',ICON_SIZE_MEDIUM).
+        '</a>';
+    $html .= '</div>';
 
     $html .= Display::return_message(get_lang('CopyCourseFromSessionToSessionExplanation'));
-    
-	$html .= '<form name="formulaire" method="post" action="'.api_get_self().'" >';    
-	$html .= '<table border="0" cellpadding="5" cellspacing="0" width="100%">';
-    
-	// origin
-	$html .= '<tr><td width="15%"><b>'.get_lang('OriginCoursesFromSession').':</b></td>';
-	$html .= '<td width="10%" align="left">'.make_select_session_list('sessions_list_origin', $sessions, array('onchange' => 'javascript: xajax_search_courses(this.value,\'origin\');')).'</td>';	
-	$html .= '<td width="50%"><div id="ajax_list_courses_origin">';
-	$html .= '<select id="origin" name="SessionCoursesListOrigin[]"  style="width:380px;"></select></div></td></tr>';
-    
-    //destination    
-    $html .= '<tr><td width="15%"><b>'.get_lang('DestinationCoursesFromSession').':</b></td>';    
+
+    $html .= '<form name="formulaire" method="post" action="'.api_get_self().'" >';
+    $html .= '<table border="0" cellpadding="5" cellspacing="0" width="100%">';
+
+    // origin
+    $html .= '<tr><td width="15%"><b>'.get_lang('OriginCoursesFromSession').':</b></td>';
+    $html .= '<td width="10%" align="left">'.make_select_session_list('sessions_list_origin', $sessions, array('onchange' => 'javascript: xajax_search_courses(this.value,\'origin\');')).'</td>';
+    $html .= '<td width="50%"><div id="ajax_list_courses_origin">';
+    $html .= '<select id="origin" name="SessionCoursesListOrigin[]"  style="width:380px;"></select></div></td></tr>';
+
+    //destination
+    $html .= '<tr><td width="15%"><b>'.get_lang('DestinationCoursesFromSession').':</b></td>';
     $html .= '<td width="10%" align="left"><div id="ajax_sessions_list_destination">';
-	$html .= '<select name="sessions_list_destination" onchange="javascript: xajax_search_courses(this.value,\'destination\');">';
-	$html .= '<option value = "0">'.get_lang('ThereIsNotStillASession').'</option></select ></div></td>';    
-	
-	$html .= '<td width="50%">';
-	$html .= '<div id="ajax_list_courses_destination">';
-	$html .= '<select id="destination" name="SessionCoursesListDestination[]" style="width:380px;" ></select></div></td>';
-	$html .= '</tr></table>';
-	
-	$html .= '<h3>'.get_lang('TypeOfCopy').'</h3>';
+    $html .= '<select name="sessions_list_destination" onchange="javascript: xajax_search_courses(this.value,\'destination\');">';
+    $html .= '<option value = "0">'.get_lang('ThereIsNotStillASession').'</option></select ></div></td>';
+
+    $html .= '<td width="50%">';
+    $html .= '<div id="ajax_list_courses_destination">';
+    $html .= '<select id="destination" name="SessionCoursesListDestination[]" style="width:380px;" ></select></div></td>';
+    $html .= '</tr></table>';
+
+    $html .= '<h3>'.get_lang('TypeOfCopy').'</h3>';
     $html .= '<label class="radio"><input type="radio" id="copy_option_1" name="copy_option" value="full_copy" checked="checked"/>';
     $html .= get_lang('FullCopy').'</label><br/>';
     $html .= '<label class="radio"><input type="radio" id="copy_option_2" name="copy_option" value="select_items" disabled="disabled"/>';
     $html .= ' '.get_lang('LetMeSelectItems').'</label><br/>';
-    
+
     $html .= '<label class="checkbox"><input type="checkbox" id="copy_base_content_id" name="copy_only_session_items" />'.get_lang('CopyOnlySessionItems').'</label><br /><br/>';
-	
-	$html .= '<button class="save" type="submit" onclick="javascript:if(!confirm('."'".addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES))."'".')) return false;">'.get_lang('CopyCourse').'</button>';
+
+    $html .= '<button class="save" type="submit" onclick="javascript:if(!confirm('."'".addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES))."'".')) return false;">'.get_lang('CopyCourse').'</button>';
     $html .= '</form>';
-	echo $html;
-}
 
-function search_courses($id_session, $type) {	
-	global $tbl_course, $tbl_session_rel_course, $course_list;
-	$xajax_response = new XajaxResponse();
-	$select_destination = '';
-	if (!empty($type)) {
+    echo $html;
+}
 
-		$id_session = intval($id_session);
+function search_courses($id_session, $type)
+{
+    global $tbl_course, $tbl_session_rel_course, $course_list;
+    $xajax_response = new XajaxResponse();
+    $select_destination = '';
+    $return = null;
 
-		if ($type == 'origin') {
-		    
+    if (!empty($type)) {
+        $id_session = intval($id_session);
+        if ($type == 'origin') {
             $course_list = SessionManager::get_course_list_by_session_id($id_session);
-     
-			$temp_course_list = array();
-			$return .= '<select id="origin" name="SessionCoursesListOrigin[]" style="width:380px;" onclick="javascript: checkSelected(this.id,\'copy_option_2\',\'title_option2\',\'destination\');">';
-			
-			foreach ($course_list as $course) {			    
-				$temp_course_list[] = "'{$course['code']}'";
-				$course_title=str_replace("'","\'",$course_title);
-				$return .= '<option value="'.$course['code'].'" title="'.@htmlspecialchars($course['title'].' ('.$course['visual_code'].')', ENT_QUOTES, api_get_system_encoding()).'">'.$course['title'].' ('.$course['visual_code'].')</option>';
-			}
+            $temp_course_list = array();
+            $return .= '<select id="origin" name="SessionCoursesListOrigin[]" style="width:380px;" onclick="javascript: checkSelected(this.id,\'copy_option_2\',\'title_option2\',\'destination\');">';
 
-			$return .= '</select>';
-			$_SESSION['course_list']     = $temp_course_list;
-			$_SESSION['session_origin']  = $id_session;
-
-			// Build select for destination sessions where is not included current session from select origin
-			if (!empty($id_session)) {
-			    
-			    $sessions = SessionManager::get_sessions_list(null, array('name ASC'));
-
-				$select_destination .= '<select name="sessions_list_destination" width="380px" onchange = "javascript: xajax_search_courses(this.value,\'destination\');">';
-				$select_destination .= '<option value = "0">-- '.get_lang('SelectASession').' --</option>';
-				foreach ($sessions as $session) {
-				    if ($id_session == $session['id']) { continue; };
-				    if (!empty($session['category_name'])) {
-				        $session['category_name'] = ' ('.$session['category_name'].') '; 
-				    }
-					$select_destination .= '<option value="'.$session['id'].'">'.$session['name'].' '.$session['category_name'].'</option>';
-				}
-				$select_destination .= '</select>';
-				$xajax_response -> addAssign('ajax_sessions_list_destination', 'innerHTML', api_utf8_encode($select_destination));
-			} else {
-				$select_destination .= '<select name="sessions_list_destination" width="380px" onchange = "javascript: xajax_search_courses(this.value,\'destination\');">';
-				$select_destination .= '<option value = "0">'.get_lang('ThereIsNotStillASession').'</option>';
-				$select_destination .= '</select>';
-				$xajax_response -> addAssign('ajax_sessions_list_destination', 'innerHTML', api_utf8_encode($select_destination));
-			}
+            foreach ($course_list as $course) {
+                $temp_course_list[] = "'{$course['code']}'";
+                $return .= '<option value="'.$course['code'].'" title="'.@htmlspecialchars($course['title'].' ('.$course['visual_code'].')', ENT_QUOTES, api_get_system_encoding()).'">'.$course['title'].' ('.$course['visual_code'].')</option>';
+            }
 
-			// Select multiple destination empty
-			$select_multiple_empty = '<select id="destination" name="SessionCoursesListDestination[]" style="width:380px;"></select>';
+            $return .= '</select>';
+            $_SESSION['course_list']     = $temp_course_list;
+            $_SESSION['session_origin']  = $id_session;
+
+            // Build select for destination sessions where is not included current session from select origin
+            if (!empty($id_session)) {
+
+                $sessions = SessionManager::get_sessions_list(null, array('name ASC'));
+
+                $select_destination .= '<select name="sessions_list_destination" width="380px" onchange = "javascript: xajax_search_courses(this.value,\'destination\');">';
+                $select_destination .= '<option value = "0">-- '.get_lang('SelectASession').' --</option>';
+                foreach ($sessions as $session) {
+                    if ($id_session == $session['id']) { continue; };
+                    if (!empty($session['category_name'])) {
+                        $session['category_name'] = ' ('.$session['category_name'].') ';
+                    }
+                    $select_destination .= '<option value="'.$session['id'].'">'.$session['name'].' '.$session['category_name'].'</option>';
+                }
+                $select_destination .= '</select>';
+                $xajax_response -> addAssign('ajax_sessions_list_destination', 'innerHTML', api_utf8_encode($select_destination));
+            } else {
+                $select_destination .= '<select name="sessions_list_destination" width="380px" onchange = "javascript: xajax_search_courses(this.value,\'destination\');">';
+                $select_destination .= '<option value = "0">'.get_lang('ThereIsNotStillASession').'</option>';
+                $select_destination .= '</select>';
+                $xajax_response -> addAssign('ajax_sessions_list_destination', 'innerHTML', api_utf8_encode($select_destination));
+            }
+
+            // Select multiple destination empty
+            $select_multiple_empty = '<select id="destination" name="SessionCoursesListDestination[]" style="width:380px;"></select>';
+
+            // Send response by ajax
+            $xajax_response -> addAssign('ajax_list_courses_origin', 'innerHTML', api_utf8_encode($return));
+            $xajax_response -> addAssign('ajax_list_courses_destination', 'innerHTML', api_utf8_encode($select_multiple_empty));
+        } else {
+            //Left Select - Destination
+            $list_courses_origin = implode(',', $_SESSION['course_list']);
+            $session_origin = $_SESSION['session_origin'];
+
+            // Search courses by id_session where course codes is include en courses list destination
+            $sql = "SELECT c.code, c.visual_code, c.title, src.id_session
+                    FROM $tbl_course c, $tbl_session_rel_course src
+                    WHERE src.course_code = c.code
+                    AND src.id_session = '".intval($id_session)."'";
+                    //AND c.code IN ($list_courses_origin)";
+            $rs = Database::query($sql);
+
+            $course_list_destination = array();
+            $return .= '<select id="destination" name="SessionCoursesListDestination[]" style="width:380px;" >';
+            while ($course = Database :: fetch_array($rs)) {
+                $course_list_destination[] = $course['code'];
+                $return .= '<option value="'.$course['code'].'" title="'.@htmlspecialchars($course['title'].' ('.$course['visual_code'].')', ENT_QUOTES, api_get_system_encoding()).'">'.$course['title'].' ('.$course['visual_code'].')</option>';
+            }
+            $return .= '</select>';
+            $_SESSION['course_list_destination'] = $course_list_destination;
+
+            // Send response by ajax
+            $xajax_response->addAssign(
+                'ajax_list_courses_destination',
+                'innerHTML',
+                api_utf8_encode($return)
+            );
+        }
+    }
 
-			// Send response by ajax
-			$xajax_response -> addAssign('ajax_list_courses_origin', 'innerHTML', api_utf8_encode($return));
-			$xajax_response -> addAssign('ajax_list_courses_destination', 'innerHTML', api_utf8_encode($select_multiple_empty));
-		} else {
-			//Left Select - Destination
-			
-			$list_courses_origin = implode(',', $_SESSION['course_list']);
-			$session_origin = $_SESSION['session_origin'];
-
-			// Search courses by id_session where course codes is include en courses list destination
-			$sql = "SELECT c.code, c.visual_code, c.title, src.id_session
-					FROM $tbl_course c, $tbl_session_rel_course src
-					WHERE src.course_code = c.code
-					AND src.id_session = '".intval($id_session)."'";
-					//AND c.code IN ($list_courses_origin)";
-			$rs = Database::query($sql);
-
-			$course_list_destination = array();
-			//onmouseover="javascript: this.disabled=true;" onmouseout="javascript: this.disabled=false;"
-			$return .= '<select id="destination" name="SessionCoursesListDestination[]" style="width:380px;" >';
-			while ($course = Database :: fetch_array($rs)) {
-				$course_list_destination[] = $course['code'];
-				$course_title = str_replace("'", "\'", $course_title);
-				$return .= '<option value="'.$course['code'].'" title="'.@htmlspecialchars($course['title'].' ('.$course['visual_code'].')', ENT_QUOTES, api_get_system_encoding()).'">'.$course['title'].' ('.$course['visual_code'].')</option>';
-			}
-			$return .= '</select>';
-			$_SESSION['course_list_destination'] = $course_list_destination;
-
-			// Send response by ajax
-			$xajax_response -> addAssign('ajax_list_courses_destination', 'innerHTML', api_utf8_encode($return));
-/*
-			// Disable option from session courses list origin where if no the same con the destination
-			$sql = "SELECT c.code, c.visual_code, c.title, src.id_session
-					FROM $tbl_course c, $tbl_session_rel_course src
-					WHERE src.course_code = c.code
-					AND src.id_session = '".intval($session_origin)."'";
-			$result = Database::query($sql);
-
-			$return_option_disabled = '<select id="origin" name="SessionCoursesListOrigin[]" multiple="multiple" size="20" style="width:320px;" onclick="javascript: checkSelected(this.id,\'copy_option_2\',\'title_option2\',\'destination\');">';
-			while ($cours = Database :: fetch_array($result)) {
-				$course_title=str_replace("'", "\'", $course_title);
-				if (count($course_list_destination) > 0) {
-					if (!in_array($cours['code'], $course_list_destination)) {
-						$return_option_disabled .= '<optgroup style="color:#ccc" label="'.$cours['title'].' ('.$cours['visual_code'].')" >'.$cours['title'].' ('.$cours['visual_code'].')</optgroup>';
-					} else {
-						$return_option_disabled .= '<option value="'.$cours['code'].'" title="'.@htmlspecialchars($cours['title'].' ('.$cours['visual_code'].')', ENT_QUOTES, api_get_system_encoding()).'">'.$cours['title'].' ('.$cours['visual_code'].')</option>';
-					}
-				} else {
-					if (empty($id_session)) {
-						$return_option_disabled .= '<option value="'.$cours['code'].'" title="'.@htmlspecialchars($cours['title'].' ('.$cours['visual_code'].')', ENT_QUOTES, api_get_system_encoding()).'">'.$cours['title'].' ('.$cours['visual_code'].')</option>';
-					} else {
-						$return_option_disabled .= '<optgroup style="color:#ccc" label="'.$cours['title'].'('.$cours['visual_code'].')" >'.$cours['title'].' ('.$cours['visual_code'].')</optgroup>';
-					}
-				}
-			}
-			$return_option_disabled .= '</select>';*/
-			// Send response by ajax
-			//$xajax_response -> addAssign('ajax_list_courses_origin', 'innerHTML', api_utf8_encode($return_option_disabled));
-		}
-	}
 	return $xajax_response;
 }
-$xajax -> processRequests();
+$xajax->processRequests();
 
 /* HTML head extra */
 
 $htmlHeadXtra[] = $xajax->getJavascript( api_get_path(WEB_LIBRARY_PATH).'xajax/');
 $htmlHeadXtra[] = '<script type="text/javascript">
-
-						function checkSelected(id_select,id_radio,id_title,id_destination) {
-						   var num=0;
-						   obj_origin = document.getElementById(id_select);
-						   obj_destination = document.getElementById(id_destination);
-
-						   for (x=0;x<obj_origin.options.length;x++) {
-						      if (obj_origin.options[x].selected) {
-						      		if (obj_destination.options.length > 0) {
-										for (y=0;y<obj_destination.options.length;y++) {
-												if (obj_origin.options[x].value == obj_destination.options[y].value) {
-													obj_destination.options[y].selected = true;
-												}
-									   	}
-									}
-						      		num++;
-						      	} else {
-						      		if (obj_destination.options.length > 0) {
-										for (y=0;y<obj_destination.options.length;y++) {
-												if (obj_origin.options[x].value == obj_destination.options[y].value) {
-													obj_destination.options[y].selected = false;
-												}
-									   		}
-									}
-						      	}
-						   }
-
-						   if (num == 1) {
-						      document.getElementById(id_radio).disabled = false;
-						      document.getElementById(id_title).style.color = \'#000\';
-						   } else {
-						   	  document.getElementById(id_radio).disabled = true;
-						      document.getElementById(id_title).style.color = \'#aaa\';
-						   }
-
-						}
+function checkSelected(id_select,id_radio,id_title,id_destination) {
+   var num=0;
+   obj_origin = document.getElementById(id_select);
+   obj_destination = document.getElementById(id_destination);
+
+   for (x=0;x<obj_origin.options.length;x++) {
+      if (obj_origin.options[x].selected) {
+            if (obj_destination.options.length > 0) {
+                for (y=0;y<obj_destination.options.length;y++) {
+                        if (obj_origin.options[x].value == obj_destination.options[y].value) {
+                            obj_destination.options[y].selected = true;
+                        }
+                }
+            }
+            num++;
+        } else {
+            if (obj_destination.options.length > 0) {
+                for (y=0;y<obj_destination.options.length;y++) {
+                    if (obj_origin.options[x].value == obj_destination.options[y].value) {
+                        obj_destination.options[y].selected = false;
+                    }
+                }
+            }
+        }
+   }
+
+   if (num == 1) {
+      document.getElementById(id_radio).disabled = false;
+      document.getElementById(id_title).style.color = \'#000\';
+   } else {
+      document.getElementById(id_radio).disabled = true;
+      document.getElementById(id_title).style.color = \'#aaa\';
+   }
+}
 </script>';
 
-
 Display::display_header($nameTools);
 
 $with_base_content = true;
@@ -294,22 +270,26 @@ if (isset($_POST['copy_only_session_items']) && $_POST['copy_only_session_items'
     $with_base_content = false;
 }
 
-        
 /*  MAIN CODE  */
-
-if ((isset($_POST['action']) && $_POST['action'] == 'course_select_form') || (isset($_POST['copy_option']) && $_POST['copy_option'] == 'full_copy')) {
+if ((isset($_POST['action']) && $_POST['action'] == 'course_select_form') ||
+    (isset($_POST['copy_option']) && $_POST['copy_option'] == 'full_copy')
+) {
 
 	$destination_course = $origin_course = $destination_session = $origin_session = '';
 
 	if (isset ($_POST['action']) && $_POST['action'] == 'course_select_form') {
-	
+
 		$destination_course	 	= $_POST['destination_course'];
 		$origin_course 			= $_POST['origin_course'];
 		$destination_session 	= $_POST['destination_session'];
 		$origin_session 		= $_POST['origin_session'];
-		
-		$course = CourseSelectForm :: get_posted_course('copy_course', $origin_session, $origin_course);
-		
+
+		$course = CourseSelectForm::get_posted_course(
+            'copy_course',
+            $origin_session,
+            $origin_course
+        );
+
 		$cr = new CourseRestorer($course);
 		//$cr->set_file_option($_POST['same_file_name_option']);
 		$cr->restore($destination_course, $destination_session);
@@ -334,23 +314,23 @@ if ((isset($_POST['action']) && $_POST['action'] == 'course_select_form') || (is
 		if (isset($_POST['sessions_list_origin'])) {
 			$origin_session 		= $_POST['sessions_list_origin'];
 		}
-  
+
 		if ((is_array($arr_course_origin) && count($arr_course_origin) > 0) && !empty($destination_session)) {
-			//We need only one value			
+			//We need only one value
 			if (count($arr_course_origin) > 1 || count($arr_course_destination) > 1) {
-				Display::display_error_message(get_lang('YouMustSelectACourseFromOriginalSession'));				
+				Display::display_error_message(get_lang('YouMustSelectACourseFromOriginalSession'));
 			} else {
 				//foreach ($arr_course_origin as $course_origin) {
 				//first element of the array
 				$course_code = $arr_course_origin[0];
 				$course_destinatination = $arr_course_destination[0];
-				
-				$course_origin = api_get_course_info($course_code);				
+
+				$course_origin = api_get_course_info($course_code);
 				$cb = new CourseBuilder('', $course_origin);
 				$course = $cb->build($origin_session, $course_code, $with_base_content);
-				$cr = new CourseRestorer($course);				
+				$cr = new CourseRestorer($course);
 				$cr->restore($course_destinatination, $destination_session);
-				
+
 			}
 			Display::display_confirmation_message(get_lang('CopyFinished'));
 			display_form();
@@ -386,19 +366,27 @@ if ((isset($_POST['action']) && $_POST['action'] == 'course_select_form') || (is
 
 	if ((is_array($arr_course_origin) && count($arr_course_origin) > 0) && !empty($destination_session)) {
 		Display::display_normal_message(get_lang('ToExportLearnpathWithQuizYouHaveToSelectQuiz'));
-		$course_origin = api_get_course_info($arr_course_origin[0]);		
+		$course_origin = api_get_course_info($arr_course_origin[0]);
 		$cb = new CourseBuilder('', $course_origin);
 		$course = $cb->build($origin_session, $arr_course_origin[0], $with_base_content);
 		//$hidden_fields['same_file_name_option'] = $_POST['same_file_name_option'];
 		$hidden_fields['destination_course'] 	= $arr_course_destination[0];
 		$hidden_fields['origin_course'] 		= $arr_course_origin[0];
 		$hidden_fields['destination_session'] 	= $destination_session;
-		$hidden_fields['origin_session'] 		= $origin_session;				
-				
+		$hidden_fields['origin_session'] 		= $origin_session;
+
 		CourseSelectForm :: display_form($course, $hidden_fields, true);
-		echo '<div style="float:right"><a href="javascript:window.back();">'.Display::return_icon('back.png', get_lang('Back').' '.get_lang('To').' '.get_lang('PlatformAdmin'), array('style' => 'vertical-align:middle')).get_lang('Back').'</a></div>';
+		echo '<div style="float:right"><a href="javascript:window.back();">'.
+            Display::return_icon(
+                'back.png',
+                get_lang('Back').' '.get_lang('To').' '.get_lang('PlatformAdmin'),
+                array('style' => 'vertical-align:middle')
+            ).
+            get_lang('Back').'</a></div>';
 	} else {
-		Display::display_error_message(get_lang('You must select a course from original session and select a destination session'));
+		Display::display_error_message(
+            get_lang('You must select a course from original session and select a destination session')
+        );
 		display_form();
 	}
 } else {