show pathinfo alternative for splfileinfo::getextension (thanks Jonathan Maron)

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@313234 c90b9560-bf6c-de11-be94-00142212c4b1

reference/spl/splfileinfo/getextension.xml

@@ -63,6 +63,26 @@ string(2) "gz"
   </example>
  </refsect1>
 
+ <refsect1 role="notes">
+  &reftitle.notes;
+  <note>
+   <para>
+    This method is only available as of PHP 5.3.6.
+    Another way of getting the extension is to use the 
+    <function>pathinfo</function> function.
+   </para>
+   <example>
+    <programlisting role="php">
+<![CDATA[
+<?php
+$extension = pathinfo($info->getFilename(), PATHINFO_EXTENSION);
+?>
+]]>
+    </programlisting>
+   </example>
+  </note>
+ </refsect1> 
+
  <refsect1 role="seealso">
   &reftitle.seealso;
   <simplelist>