protected function replaceDefaultSymfonyLineDumpers()
    {
        HtmlDumper::$defaultOutput =
        CliDumper::$defaultOutput =
            function ($line, $depth, $indentPad) {
                if (-1 !== $depth) {
                    echo str_repeat($indentPad, $depth).$line.PHP_EOL;
                }
            };
    }
protected function replaceDefaultSymfonyLineDumpers()
    {
        HtmlDumper::$defaultOutput =
        CliDumper::$defaultOutput =
            function ($line, $depth, $indentPad) {
                if (-1 !== $depth) {
                    echo str_repeat($indentPad, $depth).$line.PHP_EOL;
                }
            };
    }
protected function replaceDefaultSymfonyLineDumpers ( ) { HtmlDumper :: $ defaultOutput = CliDumper :: $ defaultOutput = function ( $ line , $ depth , $ indentPad ) { if ( - 1 !== $ depth ) { echo str_repeat ( $ indentPad , $ depth ) . $ line . PHP_EOL ; } } ; }
Replaces the default output stream of Symfony's
CliDumper and HtmlDumper classes in order to
be able to run on Google App Engine.

'php://stdout' is used by CliDumper,
'php://output' is used by HtmlDumper,
both are not supported on GAE.
Replaces the default output stream of Symfony s CliDumper and HtmlDumper classes in order to be able to run on Google App Engine .