diff --git a/reference/var/functions/empty.xml b/reference/var/functions/empty.xml
index 270158168e..ef1592b7c9 100644
--- a/reference/var/functions/empty.xml
+++ b/reference/var/functions/empty.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 4a07033f7ac5ab121357051cc94ec48b9f6f58fc Maintainer: yannick Status: ready -->
+<!-- EN-Revision: e6e9c116083c3d1aeb3d1fc2e45f51fbcb0d5182 Maintainer: yannick Status: ready -->
 <!-- Reviewed: yes -->
 <refentry xml:id="function.empty" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -36,6 +36,7 @@
        Aucune alerte n'est générée si la variable n'existe pas. Cela signifie que
        <function>empty</function> est strictement équivalent à
        <command>!isset($var) || $var == false</command>.
+       Cela s'applique également aux structures imbriquées, telles qu'un tableau multidimensionnel ou des propriétés chaînées.
       </para>
      </listitem>
     </varlistentry>
@@ -88,7 +89,6 @@ $expected_array_got_string = 'somestring';
 var_dump(empty($expected_array_got_string['some_key']));
 var_dump(empty($expected_array_got_string[0]));
 var_dump(empty($expected_array_got_string['0']));
-var_dump(empty($expected_array_got_string[0.5]));
 var_dump(empty($expected_array_got_string['0.5']));
 var_dump(empty($expected_array_got_string['0 Mostel']));
 ?>
@@ -100,9 +100,40 @@ var_dump(empty($expected_array_got_string['0 Mostel']));
 bool(true)
 bool(false)
 bool(false)
-bool(false)
 bool(true)
 bool(true)
+    ]]>
+   </screen>
+  </example>
+  <example>
+   <title><function>empty</function> sur les tableaux multidimensionnels</title>
+   <programlisting role="php">
+<![CDATA[
+<?php
+$multidimensional = [
+    'some' => [
+        'deep' => [
+            'nested' => 'value'
+        ]
+    ]
+];
+
+if (!empty($multidimensional['some']['some']['nested'])) {
+    $someVariable = $multidimensional['some']['deep']['nested'];
+}
+
+var_dump(empty($multidimensional['some-undefined-key']));
+var_dump(empty($multidimensional['some']['deep']['unknown']));
+var_dump(empty($multidimensional['some']['deep']['nested']));
+?>
+]]>
+   </programlisting>
+   &example.outputs;
+   <screen>
+<![CDATA[
+bool(true)
+bool(true)
+bool(false)
 ]]>
    </screen>
   </example>
diff --git a/reference/var/functions/unserialize.xml b/reference/var/functions/unserialize.xml
index a6bc07960b..981480a269 100644
--- a/reference/var/functions/unserialize.xml
+++ b/reference/var/functions/unserialize.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: d75036c386e37ce56dafb7607b72aedc3e33fe09 Maintainer: yannick Status: ready -->
+<!-- EN-Revision: 7cbeceebeff691a1da4d827737622dcb98131176 Maintainer: yannick Status: ready -->
 <!-- Reviewed: no -->
 <refentry xml:id="function.unserialize" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -91,7 +91,7 @@
         <tbody>
          <row>
           <entry><literal>allowed_classes</literal></entry>
-          <entry><type>array|bool</type></entry>
+          <entry><type class="union"><type>array</type><type>bool</type></type></entry>
           <entry>
            <simpara>
             Soit un tableau de noms de classes qui doivent être acceptées, &false;