Merge pull request #64 from catalyst/fix-compatibility-45

Update deprecated constant (4.5 compatibility)

Author: tuanngocnguyen

db/messages.php

@@ -34,7 +34,7 @@
     'confirmation' => array(
         'capability' => 'mod/hvp:emailconfirmsubmission',
         'defaults' => array(
-            'airnotifier' => MESSAGE_PERMITTED + MESSAGE_DEFAULT_LOGGEDIN + MESSAGE_DEFAULT_LOGGEDOFF,
+            'airnotifier' => MESSAGE_PERMITTED + MESSAGE_DEFAULT_ENABLED,
         ),
     ),
 );

locallib.php

@@ -109,7 +109,7 @@ function hvp_get_core_assets($context) {
     // Do not use $PAGE->requires when viewing via mobile (aka a webservice).
     global $ME;
 
-    if (strpos($ME, 'webservice') == false) {
+    if (strpos($ME ?? '', 'webservice') == false) {
         // Add core stylesheets.
         foreach (\H5PCore::$styles as $style) {
             $url = generate_css_url('library/' . $style);