RICHARD COLLAO

class BBCode {

    private $_bbcodes = array(

        'type1' => array(

            'spoiler' => array(

                'html' => '<div class="spoiler_container"><div class="spoiler_bar"><input class="i_button" type="button" value="spoiler +" onclick="toogleSpoiler(this);" /></div><div class="spoiler_content">$1</div></div>',

                'pattern' => '#\[spoiler](.*?)\[\/spoiler]#is'),

            'cite' => array(

                'html' => '<div class="cite"><div class="bgclose">$1</div></div>',

                'pattern' => '#\[cite](.*?)\[\/cite]#is'),

            'shell' => array(

                'html' => '<div class="shell">$1</div>',

                'pattern' => '#\[shell](.*?)\[\/shell]#is'),

            'box' => array(

                'html' => '<div class="box">$1</div>',

                'pattern' => '#\[box](.*?)\[\/box]#is'),

            'text' => array(

                'html' => '<div class="text">$1</div>',

                'pattern' => '#\[text](.*?)\[\/text]#is'),

            'bold' => array(

                'html' => '<b>$1</b>',

                'pattern' => '#\(.*?)\[\/b]#is'),

            'italic' => array(

                'html' => '<i>$1</i>',

                'pattern' => '#\[i](.*?)\[\/i]#is'),

            'underline' => array(

                'html' => '<u>$1</u>',

                'pattern' => '#\[u](.*?)\[\/u]#is'),

            'strike' => array(

                'html' => '<strike>$1</strike>',

                'pattern' => '#\[strike](.*?)\[\/strike]#is'),

            'left' => array(

                'html' => '<div style="text-align:left;">$1</div>',

                'pattern' => '#\[left](.*?)\[\/left]#is'),

            'center' => array(

                'html' => '<div style="text-align:center;">$1</div>',

                'pattern' => '#\[center](.*?)\[\/center]#is'),

            'right' => array(

                'html' => '<div style="text-align:right;">$1</div>',

                'pattern' => '#\[right](.*?)\[\/right]#is'),

            'img' => array(

                'html' => '<img style="max-width: 100%" src="$1" alt=""/>',

                'pattern' => '#\[img](.*?[\.jpg|\.gif|\.png])\[\/img]#is'),

            'url' => array(

                'html' => '<a href="$1">$1</a>',

                'pattern' => '#\[url](.*?)\[\/url]#is'),

            'youtube' => array(

                'html' => '<iframe width="640" height="360" src="//www.youtube.com/embed/$1?feature=player_detailpage" frameborder="0" allowfullscreen></iframe>',

                'pattern' => '#\[youtube].*\?v=(.*?)\[\/youtube]#is'),

            'vimeo' => array(

                'html' => '<iframe src="http://player.vimeo.com/video/$1" width="640" height="360" frameborder="0"></iframe>',

                'pattern' => '#\[vimeo](.*?)\[\/vimeo]#is')

        ),

        'type2' => array(

            'url' => array(

                'html' => '<a href="$1">$2</a>',

                'pattern' => '#\[url=(.*?)](.*?)\[\/url]#is'),

            'size' => array(

                'html' => '<font size="$1">$2</font>',

                'pattern' => '#\[size=([1-6])\](.*?)\[\/size]#is'),

            'color' => array(

                'html' => '<font color="$1">$2</font>',

                'pattern' => '#\[color=(\#[0-9a-fA-F]{3,6})\](.*?)\[\/color]#is'),

            'quote' => array(

                'html' => '<div class="quote">Publicado por:$1<br />$2</div>',

                'pattern' => '#\[quote=([0-9]{1,6})\](.*?)\[\/quote]#is'),

            'code' => array(

                'html' => '<div class="code"><b>code: $1</b><pre class="container_code"><code class="$1">$2</code></pre></div>',

                'pattern' => '#\[code=(sql|html|css|js|php)](.*?)\[\/code]#is')

        )

    );



    public function toHtml($content) {

        $content = htmlentities($content, ENT_QUOTES, 'UTF-8');



        $content = $this->replaceBbcodesType1($content);

        $content = $this->replaceBbcodesType2($content);

        $content = str_replace("\r", '<br />', $content);

        # Evita un salto de linea si esta despues de un div de cierre.

        $content = str_replace("</div><br />", '</div>', $content);

        return $content;

    }



    /**

     * tipo 1 bbocdes simples sin parametros del tipo [b]hola mundo!

     */

    public function replaceBbcodesType1($content) {

        foreach ($this->_bbcodes['type1'] as $key => $bbcode) {

            while (preg_match_all($bbcode['pattern'], $content, $matches, PREG_SET_ORDER)) {

                foreach ($matches as $match) {

                    $full = $match[0]; # Devuelve todo el patron "hola mundo!"

                    $expr = $match[1]; # Devuelve la coincidencia del match "hola mundo!"



                    $newhtml = str_ireplace('$1', $expr, $bbcode['html']);

                    $content = str_ireplace($full, $newhtml, $content);

                }

            }

        }

        return $content;

    }



    /**

     * tipo 2 bbocdes simples con parametros del tipo hola mundo!

     */

    public function replaceBbcodesType2($content) {

        foreach ($this->_bbcodes['type2'] as $key => $bbcode) {

            while (preg_match_all($bbcode['pattern'], $content, $matches, PREG_SET_ORDER)) {

                foreach ($matches as $match) {

                    $full = $match[0]; # Devuelve todo el patron "hola mundo!"

                    $param = $match[1]; # Devuelve la coincidencia del 1er match "#0000FF"

                    $expr = $match[2]; # Devuelve la coincidencia del 2do match "hola mundo!"

                    if ($key === 'code') {

                        $expr = trim($expr);

                    } // Evita que se creen lineas sin codigo al comienzo y al final.

                    $newhtml = str_ireplace('$1', $param, $bbcode['html']);

                    $newhtml = str_ireplace('$2', $expr, $newhtml);

                    $content = str_ireplace($full, $newhtml, $content);

                }

            }

        }

        return $content;

    }

}

$bbcode = new BBCode();

$result = $bbcode->convert('[b]Hola mundo[ /b]');

echo $result;