smsserver-api/gates.php

<?php
require_once "sql.php";

$where = "";
$array = array();
if(isset($_GET['id']))
{
	$id = intval($_GET['id']);
	if($id <= 0)
		error("Invalid id");

	$where = "WHERE id=:id";
	$array = array(":id" => $id);
}

$select = $db->prepare("SELECT * FROM gates ".$where);
if(!$select->execute($array))
	error("Unable to read gates");
$gates = array();
while($gate = $select->fetch())
	$gates[] = array("id" => intval($gate['id']), "name" => $gate['name'],
		"number" => $gate['number'], "lastSeen" => intval(time()));

echo json_encode(array("timestamp" => time(), "gateTimeout" => $gateTimeout, "gates" => $gates));
?>