public function setBars($bars)
    {
        if (is_string($bars) && strlen($bars) > 1) {
            $this->bars = $bars;
        }

        return $this;
    }
public function setBars($bars)
    {
        if (is_string($bars) && strlen($bars) > 1) {
            $this->bars = $bars;
        }

        return $this;
    }
public function setBars ( $ bars ) { if ( is_string ( $ bars ) && strlen ( $ bars ) > 1 ) { $ this -> bars = $ bars ; } return $ this ; }
Sets the handlebars characters

@param string $bars

@return HandlebarsCompiler
Sets the handlebars characters