diff --git a/reference/url/functions/http-build-query.xml b/reference/url/functions/http-build-query.xml
index 1aca546863..cb198b3e16 100644
--- a/reference/url/functions/http-build-query.xml
+++ b/reference/url/functions/http-build-query.xml
@@ -10,7 +10,7 @@
   &reftitle.description;
   <methodsynopsis>
    <type>string</type><methodname>http_build_query</methodname>
-   <methodparam><type>array</type><parameter>formdata</parameter></methodparam>
+   <methodparam><type>mixed</type><parameter>query_data</parameter></methodparam>
    <methodparam choice="opt"><type>string</type><parameter>numeric_prefix</parameter></methodparam>
    <methodparam choice="opt"><type>string</type><parameter>arg_separator</parameter></methodparam>
   </methodsynopsis>
@@ -25,14 +25,19 @@
   <para>
    <variablelist>
     <varlistentry>
-     <term><parameter>formdata</parameter></term>
+     <term><parameter>query_data</parameter></term>
      <listitem>
       <para>
        May be an array or object containing properties.
       </para>
       <para>
-       The array form may be a simple one-dimensional structure, or an array
-       of arrays (who in turn may contain other arrays).
+       If <parameter>query_data</parameter> is an array, it may be a simple
+       one-dimensional structure, or an array of arrays (which in
+       turn may contain other arrays).
+      </para>
+      <para>
+       If <parameter>query_data</parameter> is an object, then only public
+       properties will be incorporated into the result.
       </para>
      </listitem>
     </varlistentry>
@@ -113,12 +118,19 @@ $data = array('foo'=>'bar',
               'cow'=>'milk',
               'php'=>'hypertext processor');
 
-echo http_build_query($data); // foo=bar&baz=boom&cow=milk&php=hypertext+processor
-echo http_build_query($data, '', '&amp;'); // foo=bar&amp;baz=boom&amp;cow=milk&amp;php=hypertext+processor
+echo http_build_query($data) . "\n";
+echo http_build_query($data, '', '&amp;');
 
 ?>
 ]]>
    </programlisting>
+   &example.outputs;
+   <screen>
+<![CDATA[
+foo=bar&baz=boom&cow=milk&php=hypertext+processor
+foo=bar&amp;baz=boom&amp;cow=milk&amp;php=hypertext+processor
+]]>
+   </screen>
   </example>
 
   <example>
@@ -189,23 +201,39 @@ children%5Bsally%5D%5Bsex%5D=F&flags_0=CEO
    <programlisting role="php">
 <![CDATA[
 <?php
-class myClass {
-    var $foo;
-    var $baz;
+class parentClass {
+    public    $pub      = 'publicParent';
+    protected $prot     = 'protectedParent';
+    private   $priv     = 'privateParent';
+    public    $pub_bar  = Null;
+    protected $prot_bar = Null;
+    private   $priv_bar = Null;
 
-    function myClass() {
-        $this->foo = 'bar';
-        $this->baz = 'boom';
+    public function __construct(){
+        $this->pub_bar  = new childClass();
+        $this->prot_bar = new childClass();
+        $this->priv_bar = new childClass();
     }
 }
 
-$data = new myClass();
+class childClass {
+    public    $pub  = 'publicChild';
+    protected $prot = 'protectedChild';
+    private   $priv = 'privateChild';
+}
 
-echo http_build_query($data); // foo=bar&baz=boom
+$parent = new parentClass();
 
+echo http_build_query($parent);
 ?>
 ]]>
    </programlisting>
+   &example.outputs;
+   <screen>
+<![CDATA[
+pub=publicParent&pub_bar%5Bpub%5D=publicChild
+]]>
+   </screen>
   </example>
  </refsect1>