source: extensions/AdditionalPages/admin/parse_bbcode.php @ 3417

<?php

if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!');

global $lang, $conf;

include(get_language_filepath('plugin.lang.php', AP_PATH));

function ap_CheckTags($str){
        //array of known tags
        $known = array('p','b','i','u','s','center','right','ol','ul','li','quote', 'img','url','email','color', 'size');
        //storage stack
        $tags = array();
        
        for ($pos = 0; $pos<strlen($str); $pos++)
        {
                if ($str{$pos} == '[')
                        {
                        $end_pos = strpos($str, ']', $pos);
                        $tag = substr($str, ++$pos, $end_pos-$pos);
                        //deals with tags which contains arguments (ie quote)
                        if ( ($equal_pos = strpos($tag, '=', 0)) !== FALSE)
                                $tag = substr($tag, 0, $equal_pos);
                        //check whether we have a defined tag or not.
                        if (in_array(strtolower($tag),$known) || in_array(strtolower(substr($tag,1)),$known))
                                {
                        //closing tag
                        if ($tag{0} == '/')
                                {
                                        //cleaned tag
                                        $tag = substr($tag, 1);         
                                        $before_tag = substr($str, 0, $pos-1);
                                        $after_tag = substr($str, $end_pos+1);  
                                        //pop stack
                                        while (($temp = array_pop($tags)))
                                                        {
                                                        if ($temp != $tag)
                                                                $before_tag.='[/'.$temp.']';
                                                        else 
                                                                {
                                                                $before_tag.='[/'.$tag.']';
                                                                break;
                                                                }

                                                        }
                                        $end_pos += strlen($before_tag)+strlen($after_tag)-strlen($str);
                                        $str = $before_tag.$after_tag;
                                }
                        else 
                                { // push stack
                                array_push($tags,$tag);
                                }
                        }
                $pos = $end_pos;        
                }
        }
        // empty stack and closing tags
        while ($temp = array_pop($tags))
                {               
                $str.='[/'.$temp.']';
                }

        return $str;
}

function ap_parse_bbcode($comment)
{
        $comment = nl2br($comment);
        $comment = ap_CheckTags($comment);
                        
        $patterns = array();
        $replacements = array();
        
        //Paragraph
        $patterns[] = '#\[p\](.*?)\[/p\]#is';
        $replacements[] = '<p>\\1</p>';
    // Bold
        $patterns[] = '#\[b\](.*?)\[/b\]#is';
        $replacements[] = '<strong>\\1</strong>';
        //Italic
        $patterns[] = '#\[i\](.*?)\[/i\]#is';
        $replacements[] = '<em>\\1</em>';
        //Underline     
        $patterns[] = '#\[u\](.*?)\[\/u\]#is';
        $replacements[] = '<u>\\1</u>';
        //Strikethrough
        $patterns[] = '#\[s\](.*?)\[/s\]#is';
        $replacements[] = '<del>\\1</del>';
        //Center
        $patterns[] = '#\[center\](.*?)\[/center\]#is';
        $replacements[] = '</p><div align="center"><p>\\1</p></div><p>';
        //Right
        $patterns[] = '#\[right\](.*?)\[/right\]#is';
        $replacements[] = '</p><div align="right"><p>\\1</p></div><p>';
        //Olist
        $patterns[] = '#\[ol\](.*?)\[/ol\]#is';
        $replacements[] = '<ol>\\1</ol>';
        //Ulist
        $patterns[] = '#\[ul\](.*?)\[/ul\]#is';
        $replacements[] = '<ul>\\1</ul>';
        //List
        $patterns[] = '#\[li\](.*?)\[/li\]#is';
        $replacements[] = '<li>\\1</li>';
        // Quotes
        $patterns[] = "#\[quote\](.*?)\[/quote\]#is";
        $replacements[] = '</p><blockquote><span style="font-size: 11px; line-height: normal">\\1</span></blockquote><p>';
        //Quotes with "user"
        $patterns[] = "#\[quote=&quot;(.*?)&quot;\](.*?)\[/quote\]#is";
        $replacements[] = '</p><blockquote><span style="font-size: 11px; line-height: normal"><b>\\1 : </b><br/>\\2</span></blockquote><p>';
        //Quotes with user
        $patterns[] = "#\[quote=(.*?)\](.*?)\[/quote\]#is";
        $replacements[] = '</p><blockquote><span style="font-size: 11px; line-height: normal"><b>\\1 : </b><br/>\\2</span></blockquote><p>';
        //Images
        $patterns[] = "#\[img\](.*?)\[/img\]#si";
        $replacements[] = "<img src='\\1' alt='' />";
        //[url]xxxx://www.zzzz.yyy[/url]
        $patterns[] = "#\[url\]([\w]+?://[^ \"\n\r\t<]*?)\[/url\]#is"; 
        $replacements[] = '<a href="\\1" target="_blank">\\1</a>'; 
        //[url]www.zzzzz.yyy[/url]
        $patterns[] = "#\[url\]((www|ftp)\.[^ \"\n\r\t<]*?)\[/url\]#is"; 
        $replacements[] = '<a href="http://\\1" target="_blank">\\1</a>'; 
        //[url=xxxx://www.zzzzz.yyy]ZzZzZ[/url] /*No I ain't sleeping yet*/
        $patterns[] = "#\[url=([\w]+?://[^ \"\n\r\t<]*?)\](.*?)\[/url\]#is"; 
        $replacements[] = '<a href="\\1" target="_blank">\\2</a>'; 
        // [url=www.zzzzz.yyy]zZzZz[/url] /*But I'm thinking about*/
        $patterns[] = "#\[url=((www|ftp)\.[^ \"\n\r\t<]*?)\](.*?)\[/url\]#is"; 
        $replacements[] = '<a href="http://\\1" target="_blank">\\2</a>'; 
        // [url="www.zzzzz.yyy"]zZzZz[/url]   /* It's nearly 2 am now */
        $patterns[] = "#\[url=&quot;((www|ftp)\.[^ \n\r\t<]*?)&quot;\](.*?)\[/url\]#is";
        $replacements[] = '<a href="http://\\1" target="_blank">\\3</a>';
        //[url="http://www.zzzzz.yyy"]zZzZz[/url] /*I really dislike commenting code*/
        $patterns[] = "#\[url=&quot;([\w]+?://[^ \n\r\t<]*?)&quot;\](.*?)\[/url\]#is";
        $replacements[] = '<a href="\\1" target="_blank">\\2</a>';
        //[email]samvure@gmail.com[/email]
        $patterns[] = "#\[email\]([a-z0-9&\-_.]+?@[\w\-]+\.([\w\-\.]+\.)?[\w]+)\[/email\]#is";
        $replacements[] = '<a href="mailto:\\1">\\1</a>';
        //Size
        $patterns[] = "#\[size=([1-2]?[0-9])\](.*?)\[/size\]#si";
        $replacements[] = '<span style="font-size: \\1px; line-height: normal">\\2</span>';
        //Colours
        $patterns[] = "#\[color=(\#[0-9A-F]{6}|[a-z]+)\](.*?)\[/color\]#si";
        $replacements[] = '<span style="color: \\1">\\2</span>';
        
        $comment = preg_replace($patterns, $replacements, $comment);
                
        return $comment;
}

// Traitement des pages
$result= pwg_query('SELECT id, text FROM ' . ADD_PAGES_TABLE);
while ($row = mysql_fetch_assoc($result)) {
        $text = ap_parse_bbcode($row['text']);
        pwg_query('UPDATE ' . ADD_PAGES_TABLE . ' SET text="' . addslashes($text) . '" WHERE id=' . $row['id'] . ' LIMIT 1');
}

// Mise à jour de la configuration
$ap_conf = explode ("," , $conf['additional_pages']);
if (isset($ap_conf[5])) {
        $ap_conf[5] = '';
        pwg_query('UPDATE ' . CONFIG_TABLE . ' SET value="' . implode ("," , $ap_conf) . '" WHERE param="additional_pages" LIMIT 1');
}

redirect(str_replace('&amp;', '&', get_admin_plugin_menu_link(AP_PATH . 'admin/admin.php')), l10n('ap_convert_bbcode_ok'), 3);

?>