require_once("includes/bbcode_function.php");    \\ там эта самая функция на 
которую ругается
require_once("includes/user_comments.php");        \\ внутри этого файла она 
вызывается

function make_clickable($text)
{

 $ret = ' ' . $text;

 // matches an "xxxx://yyyy" URL at the start of a line, or after a space.
 // xxxx can only be alpha characters.
 // yyyy is anything up to the first space, newline, comma, double quote or 
<
 $ret = preg_replace("#(^|[\n ])([\w]+?://[^ \"\n\r\t<]*)#is",
 "\\ 1 <a href=\"\\2\" target=\"_blank\" class=\"text_link\">\\ 2 </a>", $ret);

 // matches a "www|ftp.xxxx.yyyy[/zzzz]" kinda lazy URL thing
 // Must contain at least 2 dots. xxxx contains either alphanum, or "-"
 // zzzz is optional.. will contain everything up to the first space, 
newline,
 // comma, double quote or <.
 $ret = preg_replace("#(^|[\n ])((www|ftp)\.[^ \"\t\n\r<]*)#is",
"\\1<a href=\"http://\\ 2 \" target=\"_blank\" class=\"text_link\">\\2</a>", 
$ret);

 // matches an email@domain type address at the start of a line, or after a 
space.
 // Note: Only the followed chars are valid; alphanums, "-", "_" and or ".".
 $ret = 
preg_replace("#(^|[\n ])([a-z0-9&\-_.]+?)@([\w\-]+\.([\w\-\.]+\.)*[\w]+)#i",
"\\1<a href=\"mailto:\\ 2 @\\ 3 \" class=\"text_link\">\\2@\\3</a>", $ret);

 // Remove our padding..
 $ret = substr($ret,  1 );

function url_replace($matches){
$part_of_url = substr("$matches[1]",  0 ,  6 );
//если URL начинается с http:// - то в новом окне открываем
if($part_of_url == 'http:/'){
$target = "target=\"_blank\"";
}
//если URL начинается с ftp:// - то в новом окне открываем
if($part_of_url == 'ftp://'){
$target = "target=\"_blank\"";
}
return "<a href=\"" . $matches[1] . "\"" . $target . "class=\"text_link\">" 
.. $matches[ 2 ] . "</a>";
}

$ret = preg_replace_callback(
              "#\(.*?)\](.*?)\[/url\]#",
              "url_replace",
              $ret);

 return($ret);

}

Fatal error: Cannot redeclare url_replace() (previously declared
in 2005_09_02/includes/bbcode_function.php: 31 )
in 2005_09_02/includes/bbcode_function.php on line  31