/**
 * PostModel
 */
require_once 'models/PostModel.php';

// insert a new post
$post            = new PostModel();
$post->title     = filter_input('title');
$post->author    = filter_input('author');
$post->timestamp = strtotime(filter_input('date'));
$post->body      = filter_input('body');
$post->save();
unset($post);

// update a post
$post            = new PostModel();
$post->post_id   = 5;
$post->title     = filter_input('title');
$post->author    = filter_input('author');
$post->timestamp = time();
$post->body      = filter_input('body');
$post->save();
unset($post);