comparison vendor/symfony/var-dumper/Dumper/AbstractDumper.php @ 5:12f9dff5fda9 tip

Update to Drupal core 8.7.1

 
     private $charset;
 
     /**
      * @param callable|resource|string|null $output  A line dumper callable, an opened stream or an output path, defaults to static::$defaultOutput
-     * @param string                        $charset The default character encoding to use for non-UTF8 strings
+     * @param string|null                   $charset The default character encoding to use for non-UTF8 strings
      * @param int                           $flags   A bit field of static::DUMP_* constants to fine tune dumps representation
      */
     public function __construct($output = null, $charset = null, $flags = 0)
     {
         $this->flags = (int) $flags;