diff --git a/functionMap.php b/functionMap.php
index 7b1082e..9464b8b 100644
--- a/functionMap.php
+++ b/functionMap.php
@@ -87,7 +87,24 @@
     'WP_REST_Request::get_params' => ['T'],
     'WP_REST_Request::set_param' => ['void', '@phpstan-template' => 'TOffset of key-of<T>', 'key' => 'TOffset', 'value' => 'T[TOffset]'],
     'WP_REST_Request::has_param' => [null, 'key' => 'key-of<T>'],
-    'WP_Theme' => [null, '@phpstan-type' => "ThemeKey 'Name'|'Version'|'Status'|'Title'|'Author'|'Author Name'|'Author URI'|'Description'|'Template'|'Stylesheet'|'Template Files'|'Stylesheet Files'|'Template Dir'|'Stylesheet Dir'|'Screenshot'|'Tags'|'Theme Root'|'Theme Root URI'|'Parent Theme'"],
+    'WP_Theme' => [
+        null,
+        '@phpstan-type' => "ThemeKey 'Name'|'Version'|'Status'|'Title'|'Author'|'Author Name'|'Author URI'|'Description'|'Template'|'Stylesheet'|'Template Files'|'Stylesheet Files'|'Template Dir'|'Stylesheet Dir'|'Screenshot'|'Tags'|'Theme Root'|'Theme Root URI'|'Parent Theme'",
+        '@phpstan-property-read string $name' => '',
+        '@phpstan-property-read string $title' => '',
+        '@phpstan-property-read string $version' => '',
+        '@phpstan-property-read string $parent_theme' => '',
+        '@phpstan-property-read string $template_dir' => '',
+        '@phpstan-property-read string $stylesheet_dir' => '',
+        '@phpstan-property-read string $template' => '',
+        '@phpstan-property-read string $stylesheet' => '',
+        '@phpstan-property-read string $screenshot' => '',
+        '@phpstan-property-read string $description' => '',
+        '@phpstan-property-read string $author' => '',
+        '@phpstan-property-read list<string> $tags' => '',
+        '@phpstan-property-read string $theme_root' => '',
+        '@phpstan-property-read string $theme_root_uri' => '',
+    ],
     'WP_Theme::get' => ["(\$header is 'Name'|'ThemeURI'|'Description'|'Author'|'AuthorURI'|'Version'|'Template'|'Status'|'Tags'|'TextDomain'|'DomainPath'|'RequiresWP'|'RequiresPHP'|'UpdateURI' ? (\$header is 'Tags' ? string[] : string) : false)"],
     'WP_Theme::offsetExists' => ['($offset is ThemeKey ? true : false)'],
     'WP_Theme::offsetGet' => ['($offset is ThemeKey ? mixed : null)'],
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
index 6ebf26a..cae5645 100644
--- a/phpcs.xml.dist
+++ b/phpcs.xml.dist
@@ -29,6 +29,9 @@
     <rule ref="SlevomatCodingStandard.PHP.RequireExplicitAssertion">
         <exclude-pattern>tests/</exclude-pattern>
     </rule>
+    <rule ref="Squiz.NamingConventions.ValidVariableName.MemberNotCamelCaps">
+        <exclude-pattern>tests/</exclude-pattern>
+    </rule>
     <rule ref="Squiz.PHP.CommentedOutCode">
         <exclude-pattern>tests/</exclude-pattern>
     </rule>
diff --git a/tests/data/wp_theme.php b/tests/data/wp_theme.php
index 134d96c..ed0d0b7 100644
--- a/tests/data/wp_theme.php
+++ b/tests/data/wp_theme.php
@@ -7,7 +7,24 @@
 use function PHPStan\Testing\assertType;
 
 /** @var \WP_Theme */
-$theme = $theme;
+$theme = $_GET['theme'];
+
+// WP_Theme::__get()
+assertType('string', $theme->name);
+assertType('string', $theme->title);
+assertType('string', $theme->version);
+assertType('string', $theme->parent_theme);
+assertType('string', $theme->template_dir);
+assertType('string', $theme->stylesheet_dir);
+assertType('string', $theme->template);
+assertType('string', $theme->stylesheet);
+assertType('string', $theme->screenshot);
+assertType('string', $theme->description);
+assertType('string', $theme->author);
+assertType('list<string>', $theme->tags);
+assertType('string', $theme->theme_root);
+assertType('string', $theme->theme_root_uri);
+assertType('*ERROR*', $theme->unknown_property);
 
 // WP_Theme::get()
 assertType('string', $theme->get('Name'));
diff --git a/wordpress-stubs.php b/wordpress-stubs.php
index b4e8cfc..14cd5f6 100644
--- a/wordpress-stubs.php
+++ b/wordpress-stubs.php
@@ -54509,6 +54509,20 @@ protected static function get_valid_block_style_variations()
      * @subpackage Theme
      * @since 3.4.0
      * @phpstan-type ThemeKey 'Name'|'Version'|'Status'|'Title'|'Author'|'Author Name'|'Author URI'|'Description'|'Template'|'Stylesheet'|'Template Files'|'Stylesheet Files'|'Template Dir'|'Stylesheet Dir'|'Screenshot'|'Tags'|'Theme Root'|'Theme Root URI'|'Parent Theme'
+     * @phpstan-property-read string $name
+     * @phpstan-property-read string $title
+     * @phpstan-property-read string $version
+     * @phpstan-property-read string $parent_theme
+     * @phpstan-property-read string $template_dir
+     * @phpstan-property-read string $stylesheet_dir
+     * @phpstan-property-read string $template
+     * @phpstan-property-read string $stylesheet
+     * @phpstan-property-read string $screenshot
+     * @phpstan-property-read string $description
+     * @phpstan-property-read string $author
+     * @phpstan-property-read list<string> $tags
+     * @phpstan-property-read string $theme_root
+     * @phpstan-property-read string $theme_root_uri
      */
     #[\AllowDynamicProperties]
     final class WP_Theme implements \ArrayAccess