minor #19524 add missing return statement (xabbuh)

This PR was merged into the 6.4 branch.

Discussion
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add missing return statement

completes #19505

Commits
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ba7d7b7 add missing return statement

Author: OskarStark

components/var_dumper.rst

@@ -513,7 +513,7 @@ like this::
         $cloner = new VarCloner();
         $dumper = 'cli' === PHP_SAPI ? new CliDumper() : new HtmlDumper();
 
-        $dumper->dump($cloner->cloneVar($var));
+        return $dumper->dump($cloner->cloneVar($var));
     });
 
 Cloners