Разные небольшие проблемы

$string = preg_replace_callback("#\[url\](".$patern.")\[\/url\]#isx",
create_function(
'$matches',
'if (!'.$this->user['id'].') return \'<i>'.$this->LANG['ViewLinkReged'].'</i> \'; global $fm; $LinkText = preg_replace("#^(.{32})(.+)(.{16})#is","$1...$3",trim($matches[1]));
$Link = (empty($matches[2])) ? "http://".$matches[1]:$matches[1];
if ($fm->exbb[\'redirect\'] && !stristr($Link, \'http://www.\'.$fm->exbb_domain) && !stristr($Link, \'http://\'.$fm->exbb_domain))
$Link = $fm->out_redir.$Link;
return "<a href=\"{$Link}\" target=\"_blank\">".trim($LinkText)."</a> ";'
),$string);

$string = preg_replace_callback("#\[url=\s*(".$patern.")\s*\](.*?)\[\/url\]#isx",array($this, 'url_text'),$string);

$string = preg_replace_callback("#(^|\s|\b)(".$patern.")(\[|\s|$)#xis",
create_function(
'$matches',
'if (!'.$this->user['id'].') return \'<i>'.$this->LANG['ViewLinkReged'].'</i> \'; global $fm; $LinkText = preg_replace("#^(.{32})(.+)(.{16})#is","$1...$3",trim($matches[2]));
$Link = (empty($matches[3])) ? "http://".$matches[2]:$matches[2];
if ($fm->exbb[\'redirect\'] && !stristr($Link, \'http://www.\'.$fm->exbb_domain) && !stristr($Link, \'http://\'.$fm->exbb_domain))
$Link = $fm->out_redir.$Link;
return $matches[1]."<a href=\"$Link\" target=\"_blank\">$LinkText</a>".$matches[4];'
),$string);

$string = preg_replace_callback("#\[url\](".$patern.")\[\/url\]#isx",
create_function('$matches',
//'if (!'.$this->user['id'].') return \'<i>'.$this->LANG['ViewLinkReged'].'</i> \';'. // срытие ссылок от гостей
'global $fm; $LinkText = preg_replace("#^(.{32})(.+)(.{16})#is","$1...$3",trim($matches[1]));
$Link = (empty($matches[2])) ? "http://".$matches[1]:$matches[1];
if ($fm->exbb[\'redirect\'] && !stristr($Link, \'http://www.\'.$fm->exbb_domain) && !stristr($Link, \'http://\'.$fm->exbb_domain))
$Link = $fm->out_redir.$Link;
return "<a href=\"{$Link}\" target=\"_blank\">".trim($LinkText)."</a> ";'
),$string);

$string = preg_replace_callback("#\[url=\s*(".$patern.")\s*\](.*?)\[\/url\]#isx",array($this, 'url_text'),$string);

$string = preg_replace_callback("#(^|\s|\b)(".$patern.")(\[|\s|$)#xis",
create_function('$matches',
//'if (!'.$this->user['id'].') return \'<i>'.$this->LANG['ViewLinkReged'].'</i> \';'. // срытие ссылок от гостей
'global $fm; $LinkText = preg_replace("#^(.{32})(.+)(.{16})#is","$1...$3",trim($matches[2]));
$Link = (empty($matches[3])) ? "http://".$matches[2]:$matches[2];
if ($fm->exbb[\'redirect\'] && !stristr($Link, \'http://www.\'.$fm->exbb_domain) && !stristr($Link, \'http://\'.$fm->exbb_domain))
$Link = $fm->out_redir.$Link;
return $matches[1]."<a href=\"$Link\" target=\"_blank\">$LinkText</a>".$matches[4];'
),$string);

function url_text($matches) {
if (!$this->user['id'])
return '<i>'.$this->LANG['ViewLinkReged'].'</i> ';
$matches[3] = trim($matches[3]);
if ($matches[1] === $matches[3] && strlen($matches[3]) > 32) {
$matches[3] = preg_replace("#(.{32})(.+)(.{16})#is","$1...$3",$matches[3]);
} elseif (!preg_match("#src=\"http://[A-Za-z0-9-_\./\?\&\+\;\,~=]+?\"#is",$matches[3])) {
$matches[3] = $this->chunk_split($matches[3]);
}
$Link = (empty($matches[2])) ? "http://".$matches[1]:$matches[1];
if ($this->exbb['redirect'] && !stristr($Link, 'http://www.'.$this->exbb_domain) && !stristr($Link, 'http://'.$this->exbb_domain))
$Link = $this->out_redir.$Link;
return "<a href=\"".$Link."\" target=\"_blank\">{$matches[3]}</a>";
}

function url_text($matches)
{
//if (!$this->user['id']) {return '<i>'.$this->LANG['ViewLinkReged'].'</i> ';} // срытие ссылок от гостей
$matches[3] = trim($matches[3]);
if ($matches[1] === $matches[3] && strlen($matches[3]) > 32)
{$matches[3] = preg_replace("#(.{32})(.+)(.{16})#is","$1...$3",$matches[3]);}
else if (!preg_match("#src=\"http://[A-Za-z0-9-_\./\?\&\+\;\,~=]+?\"#is",$matches[3]))
{$matches[3] = $this->chunk_split($matches[3]);}
$Link = (empty($matches[2])) ? "http://".$matches[1]:$matches[1];
if ($this->exbb['redirect'] && !stristr($Link, 'http://www.'.$this->exbb_domain) && !stristr($Link, 'http://'.$this->exbb_domain))
{$Link = $this->out_redir.$Link;}
return "<a href=\"".$Link."\" target=\"_blank\">{$matches[3]}</a>";
}