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function make_clickable($text) 
{
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.
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}

Code: Alles auswählen

function make_clickable($text) 
{ 

   // pad it with a space so we can match things at the start of the 1st line. 
   $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, or comma. 
    
   $ret = preg_replace("#([\n ])([a-z]+?)://(".$_SERVER[HTTP_HOST]."[a-z0-9\-\.,\?!%\*_\#:;~\\&$@\/=\+]+)#i", "\\1<a href=\"\\2://\\3\">\\2://\\3</a>", $ret); 
    
$ret = preg_replace("#([\n ])([a-z]+?)://([a-z0-9\-\.,\?!%\*_\#:;~\\&$@\/=\+]+)#i", "\\1<a href=\"\\2://\\3\" target=\"_blank\">\\2://\\3</a>", $ret); 
   // matches a "www.xxxx.yyyy[/zzzz]" kinda lazy URL thing 
   // Must contain at least 2 dots. xxxx contains either alphanum, or "-" 
   // yyyy contains either alphanum, "-", or "." 
   // zzzz is optional.. will contain everything up to the first space, newline, or comma. 
   // This is slightly restrictive - it's not going to match stuff like "forums.foo.com" 
   // This is to keep it from getting annoying and matching stuff that's not meant to be a link. 
   $ret = preg_replace("#([\n ])www\.(".$_SERVER[HTTP_HOST]."[a-z0-9\-]+)\.([a-z0-9\-.\~]+)((?:/[a-z0-9\-\.,\?!%\*_\#:;~\\&$@\/=\+]*)?)#i", "\\1<a href=\"http://www.\\2.\\3\\4\">www.\\2.\\3\\4</a>", $ret); 
    
$ret = preg_replace("#([\n ])www\.([a-z0-9\-]+)\.([a-z0-9\-.\~]+)((?:/[a-z0-9\-\.,\?!%\*_\#:;~\\&$@\/=\+]*)?)#i", "\\1<a href=\"http://www.\\2.\\3\\4\" target=\"_blank\">www.\\2.\\3\\4</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\">\\2@\\3</a>", $ret); 

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

   return($ret); 
}