Horde_Browser::getQuirk PHP Method

Returns unique behavior for the current browser.

public getQuirk ( string $quirk ) : string
$quirk	string	The behavior to retrieve.
return	string	The value for the requested behavior.

    public function getQuirk($quirk)
    {
        return isset($this->_quirks[$quirk]) ? $this->_quirks[$quirk] : null;
    }

Horde_Browser