Text to links

Converts plain-links into HTML-Links

function text2links($str='') {
    if($str=='' or !preg_match('/(http|www\.|@)/i', $str)) { return $str; }
    $lines = explode("\n", $str); $new_text = '';
    while (list($k,$l) = each($lines)) { 
        // replace links:
        $l = preg_replace("/([ \t]|^)www\./i", "\\1http://www.", $l);
        $l = preg_replace("/([ \t]|^)ftp\./i", "\\1ftp://ftp.", $l);
        $l = preg_replace("/(http:\/\/[^ )\r\n!]+)/i", 
            "<a href=\"\\1\">\\1</a>", $l);
        $l = preg_replace("/(https:\/\/[^ )\r\n!]+)/i", 
            "<a href=\"\\1\">\\1</a>", $l);
        $l = preg_replace("/(ftp:\/\/[^ )\r\n!]+)/i", 
            "<a href=\"\\1\">\\1</a>", $l);
        $l = preg_replace(
            "<a href=\"mailto:\\1\">\\1</a>", $l);
        $new_text .= $l."\n";
    return $new_text;
Snippet Details

$text = "Visit www.jonasjohn.de :-)";
print text2links($text);

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Older comments:

Özgür Özer April 22, 2011 at 02:36
this example so helpful :D
khal3d March 13, 2009 at 18:09
this Example not work with FTP link

$text = "Visit ftp.google.com";
print text2links($text);

But this work fine

$text = "Visit ftp.google.com www.khald.com";
print text2links($text);