- fixed PHP Notice for invalid array key access

2019-05-07 00:15:12 +02:00
parent fca9f5ed9c
commit b464cfa277
1 changed files with 8 additions and 1 deletions
--- a/app/Main/MapUpdate.php
+++ b/app/Main/MapUpdate.php
@@ -360,7 +360,14 @@ class MapUpdate implements MessageComponentInterface {
     * @return array
     */
    private function getCharacterIdsByMapId(int $mapId) : array {
-        return is_array($this->subscriptions[$mapId]) ? array_keys($this->subscriptions[$mapId]) : [];
+        $characterIds = [];
+        if(
+            array_key_exists($mapId, $this->subscriptions) &&
+            is_array($this->subscriptions[$mapId])
+        ){
+            $characterIds = array_keys($this->subscriptions[$mapId]);
+        }
+        return $characterIds;
    }

    /**