public function setTitles($prev = "Prev", $next = "Next")
    {
        $this->options['prev_title'] = $prev;
        $this->options['next_title'] = $next;
        return $this;
    }
public function setTitles($prev = "Prev", $next = "Next")
    {
        $this->options['prev_title'] = $prev;
        $this->options['next_title'] = $next;
        return $this;
    }
public function setTitles ( $ prev = "Prev" , $ next = "Next" ) { $ this -> options [ 'prev_title' ] = $ prev ; $ this -> options [ 'next_title' ] = $ next ; return $ this ; }
To set the previous and next title

@param  string $prev : Prev | &laquo; | &larr;
@param  string $next : Next | &raquo; | &rarr;
@return static
To set the previous and next title