(PHP 4 >= 4.3.0, PHP 5, PHP 7)
xmlrpc_is_fault — Determines if an array value represents an XMLRPC fault
$arg
) : bool�˺�����ʵ�����ġ��˺����ı��������Ƽ�������ĵ���������δ���� PHP �����汾��δ֪ͨ�ͱ��ġ�ʹ�ñ����������Ե� ��
Returns TRUE
if the argument means fault, FALSE
otherwise. Fault
description is available in $arg["faultString"], fault
code is in $arg["faultCode"].
See example by xmlrpc_encode_request().