Example for array/struct with nuSOAP

server.php

<?php
date_default_timezone_set('Asia/Bangkok');
require_once "lib/nusoap.php";

// Create SOAP Server
$server = new soap_server();
$server->configureWSDL("Test_Service", "http://www.example.com/test_service");

// Example "hello" function
function hello($username) {
	if ($username == 'admin') {
		return "Welcome back, Boss";
	} else {
		return "Hello, $username";
	}
}

$server->register("hello",
    array("username" => "xsd:string"),
    array("return" => "xsd:string"),
    "http://www.example.com",
    "",
    "",
    "",
    "say hi to the caller"
);

// Example "intCount" function (return array)
function intCount($from, $to) {
    $out = array();
    for ($i = $from; $i <= $to; $i++) {
        $out[] = $i;
    }
    return $out;
}

$server->wsdl->addComplexType(
    'intArray',
    'complexType',
    'array',
    '',
    'SOAP-ENC:Array',
    array(),
    array(
        array(
            'ref' => 'SOAP-ENC:arrayType',
            'wsdl:arrayType' => 'xsd:integer[]'
        )
    ),
    'xsd:integer'
);

$server->register("intCount",
    array("from" => "xsd:integer", "to" => "xsd:integer"),
    array("return" => "tns:intArray"),
    "http://www.example.com",
    "",
    "",
    "",
    "count from 'from' to 'to'"
);

// Example "getUserInfo" function (return struct and fault)
function getUserInfo($userId) {
    if ($userId == 1) {
        return array(
            'id' => 1,
            'username' => 'testuser',
            'email' => 'testuser@example.com'
        );
    } else {
        return new soap_fault('SOAP-ENV:Server', '', 'Requested user not found', '');
    }
}

$server->wsdl->addComplexType(
    'userInfo',
    'complextType',
    'struct',
    'sequence',
    '',
    array(
        'id' => array('name' => 'id', 'type' => 'xsd:integer'),
        'username' => array('name' => 'username', 'type' => 'xsd:string'),
        'email' => array('name' => 'email', 'type' => 'xsd:string')
    )
);

$server->register("getUserInfo",
    array("userId" => "xsd:integer"),
    array("return" => "tns:userInfo"),
    "http://www.example.com",
    "",
    "",
    "",
    "get info for user"
);

// Run service
$server->service(file_get_contents('php://input'));

?>