public function getQueryNs($ns, $key, $default)
    {
        if ($this->hasQueryNs($ns, $key)) {
            $data = $this->getQuery($ns);

            if (isset($data[$key])) {
                return $data[$key];
            }
        }

        return $default;
    }
public function getQueryNs($ns, $key, $default)
    {
        if ($this->hasQueryNs($ns, $key)) {
            $data = $this->getQuery($ns);

            if (isset($data[$key])) {
                return $data[$key];
            }
        }

        return $default;
    }
public function getQueryNs ( $ ns , $ key , $ default ) { if ( $ this -> hasQueryNs ( $ ns , $ key ) ) { $ data = $ this -> getQuery ( $ ns ) ; if ( isset ( $ data [ $ key ] ) ) { return $ data [ $ key ] ; } } return $ default ; }
Returns key's value from a namespace

@param string $ns Target namespace (Group)
@param string $key Target key
@param mixed $default Default value to be returned on failure
@return mixed
Returns key s value from a namespace