bbcode

function bbcode($str)
{
   $BBCode = array("/\[b\](.*)\[\/b\]/is", "/\[u\](.*)\[\/u\]/is", "/\[i\](.*)\[\/i\]/is", "/\[url\=(.*?)\](.*?)\[\/url\]/is", "/\[big\](.*)\[\/big\]/is", "/\[small\](.*)\[\/small\]/is", "/\[color\=(.*?)\](.*?)\[\/color\]/is", "/\[img\](.*)\[\/img\]/is");
   $BBTag = array("<strong>$1</strong>", "<u>$1</u>", "<i>$1</i>", "<a href=\"$1\" target=\"_blank\" rel=\"nofollow\">$2</a>", "<big>$1</big>","<small>$1</small>", "<span style=\" color:$1 \">$2</span>", "<img  resizemod=\"on\" onload=\"rmw_img_loaded(this)\" src=\"$1\" />");

   $str = preg_replace($BBCode, $BBTag, $str);
   return $str;
}