application/helpers/link.php

   1 <?php defined('SYSPATH') OR die('No direct access allowed.');
   2 /**
   3  * Help class for handling links that could contain
   4  * chars that would break Kohanas routing ('/')
   5  */
   6 class link
   7 {
   8         /**
   9          * Encode a string so that it is possible to
  10          * use it without risk in Kohana.
  11          * The 'all' string has been given a special meaning
  12          * and is therefore not encoded.
  13          * @param $str
  14          * @return str encoded string
  15          */
  16         public function encode($str)
  17         {
  18                 $str = trim($str);
  19                 if (strtolower($str) == 'all') {
  20                         return $str;
  21                 }
  22                 return rawurlencode(base64_encode($str));
  23         }
  24
  25         /**
  26          * Decode a string that has been encoded
  27          * using the encode method.
  28          * The 'all' string has been given a special meaning
  29          * and is therefore not decoded.
  30          * @param $str
  31          * @return decoded string
  32          */
  33         public function decode($str)
  34         {
  35                 $str = trim($str);
  36                 if (strtolower($str) == 'all') {
  37                         return $str;
  38                 }
  39                 return rawurldecode(base64_decode($str));
  40         }
  41
  42         /**
  43          * Primitively 'detect' URI:s in a text and wrap
  44          * in a html anchor element.
  45          *
  46          * @param $text string
  47          * @return string
  48          */
  49         public static function linkify($text) {
  50                 return preg_replace('~((ftp|https?)://[^ ]+)~', '<a target="'.config::get('nagdefault.notes_url_target', '*').'" href="$1">$1</a>', $text);
  51         }
  52 }