<?php
/**
* File: /path/to/webroot/properties/geo_search.php
*/
include('init.php');
// Get the data from form (if submitted)
$latitude = !empty($_POST['latitude']) ? $_POST['latitude'] : '';
$longitude = !empty($_POST['longitude']) ? $_POST['longitude'] : '';
$radius = !empty($_POST['radius']) ? $_POST['radius'] : 5;
// Set the variables for view
$viewVars['latitude'] = $latitude;
$viewVars['longitude'] = $longitude;
$viewVars['radius'] = $radius;
render('geo_search');

<!-- File: /path/to/webroot/properties/views/geo_search.thtml -->
<form action="geo_search.php" method="post">
<fieldset>
<legend>Geo Location Search</legend>
<div class="input">
<label>Latitude: </label>
<input type="text" name="latitude...