Move 'IVirtualFeed' checks into 'PluginHost::get_feed_handler()'.

1 files changed, 11 insertions, 2 deletions

diff --git a/classes/PluginHost.php b/classes/PluginHost.php
index b54e48d4f..608355158 100644
--- a/classes/PluginHost.php
+++ b/classes/PluginHost.php
@@ -782,12 +782,21 @@ class PluginHost {
 		return $this->feeds[$cat_id] ?? [];
 	}
 
-	// convert feed_id (e.g. -129) to pfeed_id first
+	/**
+	 * convert feed_id (e.g. -129) to pfeed_id first
+	 * 
+	 * @return (Plugin&IVirtualFeed)|null
+	 */
 	function get_feed_handler(int $pfeed_id): ?Plugin {
 		foreach ($this->feeds as $cat) {
 			foreach ($cat as $feed) {
 				if ($feed['id'] == $pfeed_id) {
-					return $feed['sender'];
+					if (implements_interface($feed['sender'], 'IVirtualFeed')) {
+						/** @var Plugin&IVirtualFeed $feed['sender'] */
+						return $feed['sender'];
+					} else {
+						return null;
+					}
 				}
 			}
 		}