small improvement to subdomain check

habi · Sep 13, 2022 · baa8ceb · baa8ceb
1 parent a8cb116
commit baa8ceb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/shortcodes/class.map-shortcode.php b/shortcodes/class.map-shortcode.php
@@ -202,7 +202,7 @@ protected function getAtts($atts='')
         $tile_layer_options = $this->LM->filter_empty_string($tile_layer_options);
         $tile_layer_options = $this->LM->filter_null($tile_layer_options);
 
-        if (strpos($tile_layer_options['subdomains'], ',') !== false) {
+        if (isset($tile_layer_options['subdomains']) && strpos($tile_layer_options['subdomains'], ',') !== false) {
             // subdomains can be comma-separated
             $tile_layer_options['subdomains'] = explode(',', $tile_layer_options['subdomains']);
         }