adjust typing

Author: leonstafford

phpstan.neon

@@ -50,4 +50,10 @@ parameters:
         - message: "#^Cannot access property \\S+ on mixed\\.$#"
           path: src/Controller.php
           count: 6
+        - message: "#^Cannot access property \\S+ on mixed\\.$#"
+          path: src/CLI.php
+          count: 9
+        - message: "#^Cannot access property \\S+ on mixed\\.$#"
+          path: src/Addons.php
+          count: 1
         - '/^Parameter #2 \$callable of static method WP_CLI::add_command\(\) expects callable\(\): mixed, \S+ given\.$/'

src/CLI.php

@@ -66,11 +66,14 @@ public function diagnostics() : void {
             [ 'key', 'value' ]
         );
 
-        $active_plugins = get_option( 'active_plugins' );
+        $active_plugins = (array) get_option( 'active_plugins' );
 
         WP_CLI::line( PHP_EOL . 'Active plugins:' . PHP_EOL );
 
         foreach ( $active_plugins as $active_plugin ) {
+            /**
+             * @var string $active_plugin
+             */
             WP_CLI::line( $active_plugin );
         }