Update CS Fixer conf

.php-cs-fixer.dist.php

@@ -26,7 +26,7 @@ return (new Config())
     ->setRules([
         '@PhpCsFixer' => true,
         '@PhpCsFixer:risky' => true,
-        '@PHP81Migration' => true,
+        '@PHP8x1Migration' => true,
 
         // required by PSR-12
         'concat_space' => [

public_html/static.php

@@ -19,8 +19,8 @@
 */
 
 /**
- * @const array Supported file types/extensions. If file type is not on the list
- *              it will have to be served by custom code in your plugin.
+ * @var array Supported file types/extensions. If file type is not on the list
+ *            it will have to be served by custom code in your plugin.
  */
 const SUPPORTED_TYPES = [
     'avif' => 'image/avif',
@@ -45,7 +45,7 @@ const SUPPORTED_TYPES = [
 ];
 
 /**
- * @const array Path prefixes to look for the requested files
+ * @var array Path prefixes to look for the requested files
  */
 const ALLOWED_PATHS = [
     'installer/',

tests/Framework/MimeTest.php

@@ -398,6 +398,12 @@ class MimeTest extends TestCase
         $content = file_get_contents($file);
         $this->assertSame('image/gif', \rcube_mime::file_content_type($content, 'blocked.gif', 'application/octet-stream', true, true));
         $this->assertSame('image/gif', \rcube_mime::file_content_type($content, 'blocked.gif', 'application/octet-stream', true, false));
+
+        // Test pdf file
+        $file = INSTALL_PATH . 'program/resources/dummy.pdf';
+        $content = file_get_contents($file);
+        $this->assertSame('application/pdf', \rcube_mime::file_content_type($content, '', 'application/octet-stream', true, true));
+        $this->assertSame('application/pdf', \rcube_mime::file_content_type($file, '', 'application/octet-stream', false, true));
     }
 
     /**