public function getVar(int $index = 0)
    {
        return isset($this->vars[$index]) ? $this->vars[$index] : null;
    }
public function getVar(int $index = 0)
    {
        return isset($this->vars[$index]) ? $this->vars[$index] : null;
    }
public function getVar ( int $ index = 0 ) { return isset ( $ this -> vars [ $ index ] ) ? $ this -> vars [ $ index ] : null ; }
Get a URI variable, based on index

@param int $index
@return string|null
Get a URI variable based on index