books/WDN3/27/Ajax2/index.php

<?php
# make sure we have the id
if( !empty($_REQUEST['id']) ) {
  # get the requested address
  $id = $_REQUEST['id'];
  switch( $id ){
    case '1':
      $first  = 'Bob';
      $last   = 'Smith';
      $street = '123 School Street';
      $city   = 'Anytown';
      $state  = 'NY';
      $zip    = '12345';
      break;
    case '2':
      $first  = 'Janet';
      $last   = 'Jones';
      $street = '123 Orange Ave';
      $city   = 'Somewhere';
      $state  = 'IA';
      $zip    = '54321';
      break;
    default:
      # do nothing
      break;
  }
  if( empty( $_REQUEST['submit'] ) ){
    header( 'Content-Type: application/xml' );
    echo "<file>
  <name>
    <first>$first</first>
    <last>$last</last>
  </name>
  <address>
    <street>$street</street>
    <city>$city</city>
    <state>$state</state>
    <zip>$zip</zip>
  </address>
</file>";
  } else {
    $txt = "$first $last\n$street\n$city, $state $zip";
    showPage( $id, $txt );
  }
} else {
  showPage();
}
function showPage( $id=false, $address='' ){
?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
  <title>Ajax Address Book (XML Version)</title>
  <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
  <meta http-equiv="Content-Language" content="en-us" />
  <script type="text/javascript" src="../XHConn.js"></script>
  <script type="text/javascript" src="addressBook.js"></script>
</head>
<body>
  <h1>Simple Ajax Address Book</h1>
  <form action="<?= $_SERVER['SCRIPT_NAME'] ?>" method="POST">
    <fieldset>
      <legend>Please Choose a Person</legend>
      <select id="person" name="person">
        <option value="">Choose Someone</option>
        <option value="1"<?php echo( $id == 1 )? ' selected="selected"' : '' ?>>Bob Smith</option>
        <option value="2"<?php echo( $id == 1 )? ' selected="selected"' : '' ?>>Janet Jones</option>
      </select>
      <input type="submit" id="submit" name="submit" value="Get the Address" />
    </fieldset>
  </form>
  <pre id="address"><?= $address ?></pre>
</body>
</html><?
}
?>