Fix PHP warnings.

main/admin/settings.php

@@ -521,8 +521,9 @@ if (!empty($_GET['category'])) {
             handle_templates();
             break;
         case 'search_setting':
-            search_setting($_REQUEST['search_field']);
             if (isset($_REQUEST['search_field'])) {
+
+                search_setting($_REQUEST['search_field']);
                 $form->display();
             }
             break;

main/document/create_audio.php

@@ -126,11 +126,7 @@ for ($i = 0; $i < $array_len; $i++) {
 	$url_dir = 'document.php?&curdirpath='.$dir_acum.$dir_array[$i];
 	//Max char 80
 	$url_to_who = cut($dir_array[$i],80);
-	if ($is_certificate_mode) {
+	$interbreadcrumb[] = array('url' => $url_dir, 'name' => $url_to_who);
-		$interbreadcrumb[] = array('url' => $url_dir.'&selectcat='.Security::remove_XSS($_GET['selectcat']), 'name' => $url_to_who);
-	} else {
-		$interbreadcrumb[] = array('url' => $url_dir, 'name' => $url_to_who);
-	}
 	$dir_acum .= $dir_array[$i].'/';
 }
 
@@ -193,13 +189,14 @@ $(document).ready(function(){
 </style>
 <div id="textareaCallBack"></div>
 <?php
-if (Security::remove_XSS($_POST['text2voice_mode'])=='google') {
+
+if (isset($_POST['text2voice_mode']) && $_POST['text2voice_mode'] == 'google') {
 	downloadMP3_google($filepath, $dir);
-} elseif (Security::remove_XSS($_POST['text2voice_mode']) == 'pediaphon') {
+} elseif (isset($_POST['text2voice_mode']) && $_POST['text2voice_mode'] == 'pediaphon') {
 	downloadMP3_pediaphon($filepath, $dir);
 }
 
-$tbl_admin_languages    = Database :: get_main_table(TABLE_MAIN_LANGUAGE);
+$tbl_admin_languages = Database :: get_main_table(TABLE_MAIN_LANGUAGE);
 $sql_select = "SELECT * FROM $tbl_admin_languages";
 $result_select = Database::query($sql_select);
 
@@ -207,12 +204,7 @@ $options = $options_pedia = array();
 $selected_language = null;
 
 while ($row = Database::fetch_array($result_select)) {
-	if (api_get_setting('platformLanguage') == $row['english_name']) {
-		//$selected_language = $row['isocode'];//lang default is the default platform language
-	}
-
 	$options[$row['isocode']] =$row['original_name'].' ('.$row['english_name'].')';
-
 	if (in_array($row['isocode'], array('de', 'en', 'es', 'fr'))){
 		$options_pedia[$row['isocode']] =$row['original_name'].' ('.$row['english_name'].')';
 	}
@@ -423,10 +415,10 @@ function downloadMP3_google($filepath, $dir)
 		$content = file_get_contents($url, false, $context);
 	}
 
-	file_put_contents(
+    file_put_contents(
-		$documentPath,
+        $documentPath,
-		$content
+        $content
-	);
+    );
 
 	// add document to database
 	$current_session_id = api_get_session_id();

main/gradebook/lib/be/category.class.php

@@ -591,13 +591,13 @@ class Category implements GradebookItem
                             $gradebook =  new Gradebook();
                             $params = array();
 
-                            $params['name']             = $component['acronym'];
+                            $params['name'] = $component['acronym'];
-                            $params['description']      = $component['title'];
+                            $params['description'] = $component['title'];
-                            $params['user_id']          = api_get_user_id();
+                            $params['user_id'] = api_get_user_id();
-                            $params['parent_id']        = $id;
+                            $params['parent_id'] = $id;
-                            $params['weight']           = $component['percentage']/100*$default_weight;
+                            $params['weight'] = $component['percentage'] / 100 * $default_weight;
-                            $params['session_id']       = api_get_session_id();
+                            $params['session_id'] = api_get_session_id();
-                            $params['course_code']      = $this->get_course_code();
+                            $params['course_code'] = $this->get_course_code();
 
                             $gradebook->save($params);
                         }