Clarified return values

[friendica.git] / src / Protocol / PortableContact.php

diff --git a/src/Protocol/PortableContact.php b/src/Protocol/PortableContact.php
index 7900ff540bfda7672d76416a6acba139c6b8d676..b9c1533e6601365a53af1045fa66355895d998cd 100644 (file)
--- a/src/Protocol/PortableContact.php
+++ b/src/Protocol/PortableContact.php
@@ -505,8 +505,15 @@ class PortableContact
                $last_updated = "";
 
                foreach ($entries as $entry) {
-                       $published = DateTimeFormat::utc($xpath->query('atom:published/text()', $entry)->item(0)->nodeValue);
-                       $updated   = DateTimeFormat::utc($xpath->query('atom:updated/text()'  , $entry)->item(0)->nodeValue);
+                       $published_item = $xpath->query('atom:published/text()', $entry)->item(0);
+                       $updated_item   = $xpath->query('atom:updated/text()'  , $entry)->item(0);
+                       $published      = isset($published_item->nodeValue) ? DateTimeFormat::utc($published_item->nodeValue) : null;
+                       $updated        = isset($updated_item->nodeValue) ? DateTimeFormat::utc($updated_item->nodeValue) : null;
+
+                       if (!isset($published) || !isset($updated)) {
+                               Logger::notice('Invalid entry for XPath.', ['entry' => $entry, 'profile' => $profile]);
+                               continue;
+                       }
 
                        if ($last_updated < $published) {
                                $last_updated = $published;