Add clarity to function calls inside interpolated values: doc about {${foo()}}

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@250326 c90b9560-bf6c-de11-be94-00142212c4b1

language/types.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.192 $ -->
+<!-- $Revision: 1.193 $ -->
  <chapter xml:id="language.types" xmlns="http://docbook.org/ns/docbook">
   <title>Types</title>
 
@@ -1080,6 +1080,10 @@ echo "This works: " . $arr['foo'][3];
 echo "You can even write {$obj->values[3]->name}";
 
 echo "This is the value of the var named $name: {${$name}}";
+
+echo "This is the value of the var named by the return value of getName(): {${getName()}}";
+
+echo "This is the value of the var named by the return value of \$object->getName(): {${$object->getName()}}";
 ?>
 ]]>
 <!-- maybe it's better to leave this out?? 
@@ -1093,7 +1097,7 @@ echo "I'd like to have another {${ strrev('reeb') }}, hips";
       
       <note>
        <para>
-        Functions and method calls work since PHP 5.
+        Functions and method calls inside <literal>{$ }</literal> work since PHP 5.
        </para>
       </note>
       <note>