/**
* Handy wrapper for 2.1 update methods
*
* @param String $function for 2.1 function (create_sotransaction, etc)
* @param String $key The attribute key
* @param Array $phpObj an array for the object. Do not nest in another array() wrapper
* @param api_session $session an api_session instance with a valid connection
*
* @return String the XML response from Intacct
*/
public static function call21UpdateMethod($function, $key, $phpObj, api_session $session)
{
$xml = api_util::phpToXml($function, array($phpObj));
$xml = str_replace("<{$function}", "<{$function} key=\"{$key}\"", $xml);
return api_post::post($xml, $session, "2.1");
}