Fix extension hook for updated articles (#1932)

* Fix extension hook for updated articles

https://github.com/FreshRSS/FreshRSS/issues/1926

* Enable extensions during PubSubHubbub

* A little array protection

* Changelog 1926

https://github.com/FreshRSS/FreshRSS/issues/1926
https://github.com/FreshRSS/FreshRSS/pull/1932

* Add null check

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/Minz/ExtensionManager.php b/lib/Minz/ExtensionManager.php
index 3914217ac..b086c4001 100644
--- a/lib/Minz/ExtensionManager.php
+++ b/lib/Minz/ExtensionManager.php
@@ -194,6 +194,9 @@ class Minz_ExtensionManager {
 	 * @param string[] $ext_list the names of extensions we want to load.
 	 */
 	public static function enableByList($ext_list) {
+		if (!is_array($ext_list)) {
+			return;
+		}
 		foreach ($ext_list as $ext_name => $ext_status) {
 			if (is_int($ext_name)) {	//Legacy format int=>name
 				self::enable($ext_status);