* Add OOP example for extending mysqli.

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@277120 c90b9560-bf6c-de11-be94-00142212c4b1

reference/mysqli/mysqli/connect.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.12 $ -->
+<!-- $Revision: 1.13 $ -->
 <refentry xml:id="mysqli.connect" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
   <refname>mysqli::__construct</refname>
@@ -176,6 +176,32 @@ $mysqli->close();
 ]]>
   </programlisting>
   </example>
+  <example>
+   <title>Object oriented style when extending mysqli class</title>
+   <programlisting role="php">
+<![CDATA[
+<?php
+
+class foo_mysqli extends mysqli {
+    public function __construct($host, $user, $pass, $db) {
+        parent::__construct($host, $user, $pass, $db);
+
+        if (mysqli_connect_error()) {
+            die('Connect Error (' . mysqli_connect_errno() . ') '
+                    . mysqli_connect_error());
+        }
+    }
+}
+
+$db = new foo_mysqli('localhost', 'my_user', 'my_password', 'my_db');
+
+echo 'Success... ' . $db->host_info . "\n";
+
+$db->close();
+?>
+]]>
+   </programlisting>
+  </example>
   <example>
    <title>Procedural style</title>
    <programlisting role="php">