哪位高手有PHP读取UBB代码的函数库

看看人家论坛的代码就有了
function ubb($text){
$text=html($text);
$text=eregi_replace("\[i\]","<i>",$text);
$text=eregi_replace("\[/i\]","</i>",$text);
$text=eregi_replace("\[b\]","<b>",$text);
$text=eregi_replace("\[/b\]","</b>",$text);
$text=eregi_replace("\[u\]","<u>",$text);
$text=eregi_replace("\[/u\]","</u>",$text);
$text=eregi_replace("\[h1\]","<h1>",$text);
$text=eregi_replace("\[/h1\]","</h1>",$text);
$text=eregi_replace("\[h2\]","<h2>",$text);
$text=eregi_replace("\[/h2\]","</h2>",$text);
$text=eregi_replace("\[h3\]","<h3>",$text);
$text=eregi_replace("\[/h3\]","</h3>",$text);
$text=eregi_replace("\[h4\]","<h4>",$text);
$text=eregi_replace("\[/h4\]","</h4>",$text);
$text=eregi_replace("\[h5\]","<h5>",$text);
$text=eregi_replace("\[/h5\]","</h5>",$text);
$text=eregi_replace("\[h6\]","<h6>",$text);
$text=eregi_replace("\[/h6\]","</h6>",$text);
$text=eregi_replace("\[center\]","<center>",$text);
$text=eregi_replace("\[/center\]","</center>",$text);
$text=eregi_replace("\[right\]","<div align='right'>",$text);
$text=eregi_replace("\[/right\]","</div>",$text);
$text=eregi_replace("\[color=#([a-fA-F0-9]{6})\]","<font color=#\\1>",$text);
$text=eregi_replace("\[/color\]","</font>",$text);
$text=eregi_replace("\[size=([0-9])\]","<font size='\\1'>",$text);
$text=eregi_replace("\[/size\]","</font>",$text);
$text=eregi_replace("\[font=(.+)\](.+)\[/font\]","<font face='\\1'>\\2</font>",$text);
$text=eregi_replace("\[email=(.+)\](.+)\[/email\]","<a href='mailto:\\1'>\\2</a>",$text);
$text=eregi_replace("\[email\](.+)\[/email\]","<a href='mailto:\\1'>\\1</a>",$text);
$text=preg_replace("/\[url=((http|ftp):\/\/.+)\](.+)\[\/url\]/isU","<a href='\\1' target='_blank'>\\2</a>",$text);
$text=preg_replace("/\[url\]((http|ftp):\/\/.+)\[\/url\]/isU","<a href=\"\\1\" target=\"_blank\">\\1</a>",$text);
$text=preg_replace("/\[img\](http:\/\/.+)\[\/img\]/isU","<a href=\"\\1\" target=\"_blank\"><img title=\"Click to view the origin picture\" src=\"\\1\" border=0></a>",$text);
$text=preg_replace("/\[media\](http:\/\/.+(\.mp3|\.mpeg|\.ra|\.wav|\.wma|\.wmv|\.rm|\.rmvb|\.asf|\.mov|\.qt|\.swf))\[\/media\]/isU",
"<embed src=\"\\1\" width=\"500\" height=\"320\" controls=\"imagewindow,controlpanel\" id=\"player\" name=\"player\" autostart=\"true\"></embed>",$text);
return $text;
}