Minor - Avoid notice

ywarnier · ywarnier · commit 1ad4f95e3a94 · 2015-10-15T15:43:42.000-05:00
diff --git a/main/inc/lib/notebook.lib.php b/main/inc/lib/notebook.lib.php
@@ -237,7 +237,7 @@ public static function display_notes()
             Display::return_icon('notes_order_by_title.png', get_lang('OrderByTitle'), '', '32') . '</a>';
         echo '</div>';
 
-        if (!in_array($_SESSION['notebook_view'], array('creation_date', 'update_date', 'title'))) {
+        if (!isset($_SESSION['notebook_view']) || !in_array($_SESSION['notebook_view'], array('creation_date', 'update_date', 'title'))) {
             $_SESSION['notebook_view'] = 'creation_date';
         }
 

Original file line number	Diff line number	Diff line change
`@@ -237,7 +237,7 @@ public static function display_notes()`
`237`	`237`	`Display::return_icon('notes_order_by_title.png', get_lang('OrderByTitle'), '', '32') . '</a>';`
`238`	`238`	`echo '</div>';`
`239`	`239`
`240`		`- if (!in_array($_SESSION['notebook_view'], array('creation_date', 'update_date', 'title'))) {`
	`240`	`+ if (!isset($_SESSION['notebook_view']) \|\| !in_array($_SESSION['notebook_view'], array('creation_date', 'update_date', 'title'))) {`
`241`	`241`	`$_SESSION['notebook_view'] = 'creation_date';`
`242`	`242`	`}`
`243`	`243`