From 41ec057813a9259dca10e179dba8ee6dca2774ba Mon Sep 17 00:00:00 2001
From: Michael <heluecht@pirati.ca>
Date: Tue, 11 Jul 2017 17:34:38 +0000
Subject: [PATCH] Avoid "Invalid argument" warning in probing.

---
 src/Network/Probe.php | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/Network/Probe.php b/src/Network/Probe.php
index 9b559304d6..9e5f1b8f89 100644
--- 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);
+				}
 			}
 		}