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Posted By

misteroneill on 08/31/09


Tagged

parse html replace String links urls


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Replace URLs in String with HTML Links

 / Published in: PHP
 

URL: http://www.misteroneill.com

This is a simple function to parse a string and turn any URLs it finds into links. Adds a rel attribute to the link with a value of "nofollow" by default.

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  1. function replace_urls($string, $rel = 'nofollow'){
  2.     $host = "([a-z\d][-a-z\d]*[a-z\d]\.)+[a-z][-a-z\d]*[a-z]";
  3.     $port = "(:\d{1,})?";
  4.     $path = "(\/[^?<>\#\"\s]+)?";
  5.     $query = "(\?[^<>\#\"\s]+)?";
  6.     return preg_replace("#((ht|f)tps?:\/\/{$host}{$port}{$path}{$query})#i", "<a href=\"$1\" rel=\"{$rel}\">$1</a>", $string);
  7. }

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