php man page for xmlrpc_is_fault

XMLRPC_IS_FAULT(3)							 1							XMLRPC_IS_FAULT(3)

xmlrpc_is_fault - Determines if an array value represents an XMLRPC fault

SYNOPSIS
       bool xmlrpc_is_fault (array  $arg)

DESCRIPTION
       Warning

	      This  function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in
	      a future release of PHP. This function should be used at your own risk.

PARAMETERS
	      o $arg
		- Array returned by xmlrpc_decode(3).

RETURN VALUES
	Returns TRUE if the argument means fault, FALSE otherwise. Fault description  is  available  in  $arg["faultString"],  fault  code  is	in
       $arg["faultCode"].

EXAMPLES
	See example by xmlrpc_encode_request(3).

SEE ALSO
       xmlrpc_decode(3).

PHP Documentation Group 													XMLRPC_IS_FAULT(3)