derp.php

<?php

class AjaxController extends ABaseControllerThatAddsHelperAPIMethods {
	
	public function __construct() {
		$this->requireAuth(array('getStatus'));
	}

	...

	public function getStatus() {
		if(isset($_POST['ip'])) {

			if(!@fsockopen($_POST['ip'], 8003, $num, $error, 3)) {
				return array('status' => 'offline');
			} else {
				return array('status' => 'online');
			}
			
		} else {
			return array('errors' => 'No IP#');
		}
	}

	...

}