add HOOK_PREFS_SAVE_FEED

classes/pluginhost.php

@@ -35,6 +35,7 @@ class PluginHost {
 	const HOOK_HOTKEY_INFO = 18;
 	const HOOK_ARTICLE_LEFT_BUTTON = 19;
 	const HOOK_PREFS_EDIT_FEED = 20;
+	const HOOK_PREFS_SAVE_FEED = 21;
 
 	const KIND_ALL = 1;
 	const KIND_SYSTEM = 2;

classes/pref/feeds.php

@@ -1002,6 +1002,9 @@ class Pref_Feeds extends Handler_Protected {
 				mark_unread_on_update = $mark_unread_on_update
 			WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
 
+			PluginHost::getInstance()->run_hooks(PluginHost::HOOK_PREFS_SAVE_FEED,
+				"hook_prefs_save_feed", $feed_id);
+
 		} else {
 			$feed_data = array();