remove deprecated string index accessor syntax

horde · Dec 1, 2020 · f33377e · f33377e
1 parent fc1d21c
commit f33377e
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/lib/Horde/Service/Weather.php b/lib/Horde/Service/Weather.php
@@ -350,9 +350,8 @@ public static function convertTemperature($temperature, $from, $to)
         if ($temperature == 'N/A') {
             return $temperature;
         }
-
-        $from = strtolower($from[0]);
-        $to   = strtolower($to[0]);
+        $from = strtolower(substr($from, 0, 1));
+        $to   = strtolower(substr($to, 0, 1));
 
         $result = array(
             'f' => array(