futtta / autoptimize

        $this->content = $this->hide_noptimize($this->content);

        // exclude (no)script, as those may contain CSS which should be left as is

        if ( strpos( $this->content, '<script' ) !== false ) { 

            $this->content = preg_replace_callback(

                '#<(?:no)?script.*?<\/(?:no)?script>#is',

                create_function(

                    '$matches',

                    'return "%%SCRIPT%%".base64_encode($matches[0])."%%SCRIPT%%";'

                ),

                $this->content

            );

        }

        // Save IE hacks

        $this->content = $this->hide_iehacks($this->content);

        $this->content = $this->restore_comments($this->content);

        // restore (no)script

        if ( strpos( $this->content, '%%SCRIPT%%' ) !== false ) { 

            $this->content = preg_replace_callback(

                '#%%SCRIPT%%(.*?)%%SCRIPT%%#is',

                create_function(

                    '$matches',

                    'return base64_decode($matches[1]);'

                ),

                $this->content

            );

        }

        // restore noptimize

        $this->content = $this->restore_noptimize($this->content);