Fix self warning in Util\Temporal

diff --git a/src/Util/Temporal.php b/src/Util/Temporal.php
index 1ed08ed1df06332df96cd70dbc51799f8874f077..46bd8bba50871deafc49449891feb330de8ebe70 100644 (file)
--- a/src/Util/Temporal.php
+++ b/src/Util/Temporal.php
@@ -59,7 +59,7 @@ class Temporal
 
                $o = '<select id="timezone_select" name="timezone">';
 
-               usort($timezone_identifiers, [self, 'timezoneCompareCallback']);
+               usort($timezone_identifiers, [__CLASS__, 'timezoneCompareCallback']);
                $continent = '';
                foreach ($timezone_identifiers as $value) {
                        $ex = explode("/", $value);