Fix accidental use of emtpy array: [E_WARNING (2) plugins/af_readability/init.php...

diff --git a/plugins/af_readability/init.php b/plugins/af_readability/init.php
index 675e5c5d5214ea309bb289f8b59ff8f60f6385df..97acb4375391a251dd98f549a3f0a5c2fe3cc5df 100755 (executable)
--- a/plugins/af_readability/init.php
+++ b/plugins/af_readability/init.php
@@ -33,9 +33,11 @@ class Af_Readability extends Plugin {
                print_notice("Enable the plugin for specific feeds in the feed editor.");
 
                $enabled_feeds = $this->host->get($this, "enabled_feeds");
-               if (!array($enabled_feeds)) $enabled_feeds = array();
-
-               $enabled_feeds = $this->filter_unknown_feeds($enabled_feeds);
+               if (!array($enabled_feeds)) {
+                       $enabled_feeds = array();
+               } else {
+                       $enabled_feeds = $this->filter_unknown_feeds($enabled_feeds);
+               }
                $this->host->set($this, "enabled_feeds", $enabled_feeds);
 
                if (count($enabled_feeds) > 0) {
@@ -183,12 +185,14 @@ class Af_Readability extends Plugin {
        private function filter_unknown_feeds($enabled_feeds) {
                $tmp = array();
 
-               foreach ($enabled_feeds as $feed) {
+               if (!empty($enabled_feeds)) {
+                       foreach ($enabled_feeds as $feed) {
 
-                       $result = db_query("SELECT id FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
+                               $result = db_query("SELECT id FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
 
-                       if (db_num_rows($result) != 0) {
-                               array_push($tmp, $feed);
+                               if (db_num_rows($result) != 0) {
+                                       array_push($tmp, $feed);
+                               }
                        }
                }