CakePHP - How to get public path to application root -

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i'm looking constant or variable provide public path application root.

i have got far full_base_url gives me http://www.example.com have added problem of application being in sub directory (e.g. http://www.example.com/myapp/).

is there way path http://www.example.com/myapp/ in controller?

$this->html->url( '/', true );

in general should generate links function, see http://book.cakephp.org/view/1448/url


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