MDL-16780 Merging from MOODLE_19_STABLE

lib/pear/HTML/AJAX/Serializer/Urlencoded.php

@@ -0,0 +1,67 @@
+<?php
+// $Id$
+
+// {{{ http_build_query
+/**
+ * Replacement for http_build_query()
+ *
+ * @link   http://php.net/function.http-build-query
+ * @author [email protected]
+ * @author Arpad Ray <[email protected]>
+ */
+if (!function_exists('http_build_query')) {
+    function http_build_query($formdata, $numeric_prefix = null, $key = null) 
+    {
+        $res = array();
+        foreach ((array)$formdata as $k => $v) {
+            if (is_resource($v)) {
+                return null;
+            }
+            $tmp_key = urlencode(is_int($k) ? $numeric_prefix . $k : $k);
+            if (!is_null($key)) {
+                $tmp_key = $key . '[' . $tmp_key . ']';
+            }
+            $res[] = (is_scalar($v))
+                ? $tmp_key . '=' . urlencode($v)
+                : http_build_query($v, null , $tmp_key);
+        }
+        $separator = ini_get('arg_separator.output');
+        if (strlen($separator) == 0) {
+            $separator = '&';
+        }
+        return implode($separator, $res);
+    }
+}
+// }}}
+// {{{ class HTML_AJAX_Serialize_Urlencoded
+/**
+ * URL Encoding Serializer
+ *
+ * @category   HTML
+ * @package    AJAX
+ * @author     Arpad Ray <[email protected]>
+ * @author     David Coallier <[email protected]>
+ * @copyright  2005 Arpad Ray
+ * @license    http://www.opensource.org/licenses/lgpl-license.php  LGPL
+ * @version    Release: 0.5.6
+ * @link       http://pear.php.net/package/HTML_AJAX
+ */
+class HTML_AJAX_Serializer_Urlencoded
+{
+    // {{{ serialize
+    function serialize($input) 
+    {
+        return http_build_query(array('_HTML_AJAX' => $input));
+    }
+    // }}}
+    // {{{ unserialize
+    function unserialize($input) 
+    {
+        parse_str($input, $ret);
+        return (isset($ret['_HTML_AJAX']) ? $ret['_HTML_AJAX'] : $ret);
+    }
+    // }}}
+}
+// }}}
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+?>