Duda en el tuto "Bases de Datos con Flash y AMFPHP"

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<?php
include "app/Gateway.php";

//You can set this constant appropriately to disable traces and debugging headers
//You will also have the constant available in your classes, for changing
//the mysql server info for example
define("PRODUCTION_SERVER", false);

$gateway = new Gateway();

//Set where the services classes are loaded from, *with trailing slash*
$gateway->setBaseClassPath("services/");

//Loose mode means echo'ing or whitespace in your file won't make AMFPHP choke
$gateway->setLooseMode(true);

//Read above large note for explanatin of charset handling
//The main contributor (Patrick Mineault) is French,
//so don't be afraid if he forgot to turn off iconv by default!
$gateway->setCharsetHandler("utf8_decode", "ISO-8859-1", "ISO-8859-1");

//Error error types that will be rooted to the NetConnection debugger
$gateway->setErrorHandling(E_ALL ^ E_NOTICE);

//choices are php5 (SoapClient), nusoap and pear
//If you don't plan on using web services with AMFPHP,
//you can safely let this setting alone
$gateway->setWebServiceHandler('php5');

if(PRODUCTION_SERVER)
{
//Disable trace actions
$gateway->disableTrace();

//Disable debugging headers
$gateway->disableDebug();

//Disable Service description
$gateway->disableServiceDescription();
}

//Service now
$gateway->service();

?>