public function getPathInfo()
    {
        if ($this->pathInfo === null) {
            $this->pathInfo = $this->detectPathInfo();
        }
        return $this->pathInfo;
    }
public function getPathInfo()
    {
        if ($this->pathInfo === null) {
            $this->pathInfo = $this->detectPathInfo();
        }
        return $this->pathInfo;
    }
public function getPathInfo ( ) { if ( $ this -> pathInfo === null ) { $ this -> pathInfo = $ this -> detectPathInfo ( ) ; } return $ this -> pathInfo ; }
Return request path info

@return string
Return request path info