View file social/sys/fnc/links.php

<?
function img_preg($arr)
{
	if (@imagecreatefromstring(file_get_contents($arr[1])))
	{
		return '<a href="http://' . $_SERVER['HTTP_HOST'] . '/go.php?go='.base64_encode(html_entity_decode($arr[1])) . '"><img style="max-width:240px;" src="http://' . $_SERVER['HTTP_HOST'] . '/go.php?go=' . base64_encode(html_entity_decode($arr[1])) . '" alt="img" /></a>';		
	}
	else
	{
		return '<img style="max-width:240px;" src="/style/no_image.png" alt="No Image" />';	
	}
}

function links_preg1($arr)
{
	global $set;

	if (preg_match('#^http://' . preg_quote($_SERVER['HTTP_HOST']) . '#',$arr[1]) || !preg_match('#://#',$arr[1]))
	return '<a href="' . $arr[1] . '">' . $arr[2] . '</a>';
	else
	return '<a' . ($set['web'] ? ' target="_blank"' : null) . ' href="http://' . $_SERVER['HTTP_HOST'] . '/go.php?go=' . base64_encode(html_entity_decode($arr[1])) . '">' . $arr[2] . '</a>';

}

function links_preg2($arr)
{
	global $set;
	if (preg_match('#^http://' . preg_quote($_SERVER['HTTP_HOST']) . '#',$arr[2]))
	return $arr[1] . '<a href="' . $arr[2] . '">' . $arr[2] . '</a>' . $arr[4];
	else
	return $arr[1] . '<a' . ($set['web'] ? ' target="_blank"' : null) . ' href="http://' . $_SERVER['HTTP_HOST'] . '/go.php?go=' . base64_encode(html_entity_decode($arr[2])) . '">Ссылка</a>' . $arr[4];
}

function links($msg)
{
	global $set;
  	if ($set['bb_img'])$msg = preg_replace_callback('/\[img\]((?!javascript:|data:|document.cookie).+)\[\/img\]/isU', 'img_preg', $msg);
  	if ($set['bb_url'])$msg = preg_replace_callback('/\[url=((?!javascript:|data:|document.cookie).+)\](.+)\[\/url\]/isU', 'links_preg1', $msg); 
  	if ($set['bb_http'])$msg = preg_replace_callback('~(^|\s)([a-z]+://([^ \r\n\t`\'"]+))(\s|$)~iu', 'links_preg2', $msg);
    
  	return $msg;
}
?>