Don't use empty on collection object, use count instead.

Author: dannyvankooten

src/licensing/class-license-manager.php

@@ -58,7 +58,7 @@ protected function get_object_property( $object, $property, $default = '' ) {
 	public function hook() {
 
 		// do nothing if no extensions are registered at this point
-		if( empty( $this->extensions ) ) {
+		if( count( $this->extensions ) === 0 ) {
 			return;
 		}
 

src/licensing/class-update-manager.php

@@ -103,7 +103,7 @@ public function get_plugin_info( $result, $action = '', $args = null ) {
 	public function add_updates( $updates ) {
 
 		// do nothing if no plugins registered
-		if( empty( $this->extensions ) ) {
+		if( count( $this->extensions ) === 0 ) {
 			return $updates;
 		}