Avoid "Invalid argument" warning in probing.

diff --git a/src/Network/Probe.php b/src/Network/Probe.php
index 9b559304d66cbc19c0ce60f112976733b63d9386..9e5f1b8f89c57ee85ead1a99bd7ff4eb40833b84 100644 (file)
--- a/src/Network/Probe.php
+++ b/src/Network/Probe.php
@@ -827,9 +827,11 @@ class Probe {
                        }
                }
 
-               foreach ($webfinger["aliases"] as $alias) {
-                       if (substr($alias, 0, 5) == 'acct:') {
-                               $data["addr"] = substr($alias, 5);
+               if (is_array($webfinger["aliases"])) {
+                       foreach ($webfinger["aliases"] as $alias) {
+                               if (substr($alias, 0, 5) == 'acct:') {
+                                       $data["addr"] = substr($alias, 5);
+                               }
                        }
                }