diff --git a/language/constants.xml b/language/constants.xml
index ea99cf3dfb..6632641b41 100644
--- a/language/constants.xml
+++ b/language/constants.xml
@@ -70,9 +70,10 @@ define("__FOO__", "something");
    <simpara>
     Only scalar data (<type>boolean</type>, <type>integer</type>, 
     <type>float</type> and <type>string</type>) can be contained 
-    in constants. It is possible to define constants as a 
-    <type>resource</type>, but it should be avoided, as it can cause 
-    unexpected results.
+    in constants prior to PHP 5.6. From PHP 5.6 onwards, it is also possible
+    to define an <type>array</type> constant. It is possible to define
+    constants as a <type>resource</type>, but it should be avoided, as it can
+    cause unexpected results.
    </simpara>
    <simpara>
     You can get the value of a constant by simply specifying its name.
@@ -131,7 +132,8 @@ define("__FOO__", "something");
      </listitem>
      <listitem>
       <simpara>
-       Constants may only evaluate to scalar values.
+       Constants may only evaluate to scalar values, or scalar or array values
+       in PHP 5.6 and later.
        </simpara>
      </listitem>
     </itemizedlist>
@@ -162,6 +164,11 @@ echo Constant; // outputs "Constant" and issues a notice.
 const CONSTANT = 'Hello World';
 
 echo CONSTANT;
+
+// Works as of PHP 5.6.0
+const ANOTHER_CONST = CONSTANT.'; Goodbye World';
+
+echo ANOTHER_CONST;
 ?>
 ]]>
      </programlisting>