login works; working at register

[living-lab-site.git] / application / helpers / MY_url_helper.php

diff --git a/application/helpers/MY_url_helper.php b/application/helpers/MY_url_helper.php
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+++ b/application/helpers/MY_url_helper.php
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+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * Encodes CI segments for using them in URLs.
+ * Useful when the last page needs to be remembered in the URL.
+ * The function replaces all '/' with '\' and then encodes with urlencode PHP
+ * function.
+ * 
+ * @param string $str  segments string to encode
+ * @param string $disallowed_prefix    if $str start with $disallowed_prefix the
+ * function returns a null string.
+ * @return string      the encoded segments
+ */
+function urlencode_segments($str, $disallowed_prefix = NULL)
+{
+       if ($disallowed_prefix && strpos($str, $disallowed_prefix) === 0)
+               return '';
+       
+       $str = str_replace('/', '\\', $str);
+       return urlencode($str);
+}
+
+/**
+ * Decodes a string encoded with urlencode_segments helper.
+ * 
+ * @param string $str  string to decode
+ * @return string      the valid CI segments decoded from $str
+ */
+function urldecode_segments($str)
+{
+       $str = urldecode($str);
+       return str_replace('\\', '/', $str);
+}
+
+/* End of file MY_url_helper.php */
+/* Location: ./application/helpers/MY_url_helper.php */
\ No newline at end of file