fix: fix fatal error when debug mode active (#1826)

Automattic · Aug 10, 2022 · 340cf85 · 340cf85
1 parent c3291db
commit 340cf85
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/includes/optional-modules/class-rss.php b/includes/optional-modules/class-rss.php
@@ -28,6 +28,10 @@ public static function maybe_init() {
 	 * Initialise.
 	 */
 	public static function init() {
+		if ( ! function_exists( 'is_plugin_active' ) ) {
+			include_once ABSPATH . 'wp-admin/includes/plugin.php';
+		}
+
 		// If the standalone plugin is active, deactivate it and activate as a module.
 		if ( is_plugin_active( 'newspack-rss-enhancements/newspack-rss-enhancements.php' ) ) {
 			deactivate_plugins( 'newspack-rss-enhancements/newspack-rss-enhancements.php' );