// Was the form submitted?
if (isset($_POST['submit'])) {
    extract($_POST);
    // Get the form data
    /* Use the AddressBook Class */
    $entry = new GuestBook();
    // Instantiate the class
    $entry->setName($your_name);
    // Assign the properties
    $entry->setAddress($your_address);
    $entry->setPhone($your_phone);
    $entry->setBirthday($your_bd);
    $entry->setFile($your_file);
    $entry->showGuest();
    // Call the class methods
    $entry->saveGuest();
} else {
    ?>
  <form action="<?php 
    echo $_SERVER['PHP_SELF'];
    ?>
"
        method="POST">
  <div align="center">
  <font face="arial" size=+1>
  <table cellspacing="1" cellpadding="1" border="0">
   <tr><td>Enter your name:</td>
    <td><input type="text" size=50 name="your_name"></td>
   </tr>
   <tr><td>Enter your address:</td>
    <td><input type="text" size=50 name="your_address"></td>