zipsearch.php

<?php
$mt_dir       = '/path/to/pcms/';
require_once ( $mt_dir . 'php/mt.php' );
require_once ( $mt_dir . 'addons/DynamicMTML.pack/php/dynamicmtml.php' );

$blog_id = 1;
$mt_config = $mt_dir . 'mt-config.cgi';
$app = new DynamicMTML();
$app->configure( $mt_config );
try {
    $mt = MT::get_instance( $blog_id, $mt_config );
} catch ( MTInitException $e ) {
    $app->run_callbacks( 'mt_init_exception', $mt, $ctx, $args, $e );
}
if ( isset( $mt ) ) {
    $ctx =& $mt->context();
    $app->set_context( $mt, $ctx );
}

$q = $app->param( 'q' );
$q = $app->db()->escape( $q );
$q = preg_replace( '/[^0-9]/', '', $q );
if ( $q ) {
    $terms = array( 'name' => $q,
                    'class' => 'customobject' );
    $extra = array( 'limit' => 1 ); 
    $postalcode = $app->load( 'CustomObject', $terms, $extra );
    if ( $postalcode ) {
        $arr = array( 'zipcode' => $postalcode->name,
                      'address' => $postalcode->body,
                      'status' => '200' );
    } else {
        $arr = array( 'zipcode' => $q,
                      'address' => '',
                      'status' => '404' );
    }
    $json = json_encode( $arr );
    $app->send_http_header( 'application/json; charset=UTF-8', time(), strlen( $json ) );
    echo $json;
    exit();
}