how to create nusoap_server and nusoap_client implemention using php

1st-> download nusoap class library 
2nd->create wsdl function "getrequest()" using below code
your WSDL url could be (http://127.0.0.1/test/nusoap/samples/index.php?wsdl)
--------------------index.php--------------------------------------------
require_once('../lib/nusoap.php');

$server = new nusoap_server;

$server->configureWSDL('server', 'urn:server');

$server->wsdl->schemaTargetNamespace = 'urn:server';

$server->register('getrequest',
            array('value' => 'xsd:string'),
            array('return' => 'xsd:string'),
            'urn:server',
            'urn:server#pollServer');

function getrequest($value){

     if($value=="bikash"){
     return "well come  bikash";
     }else{
       return "not bikash";
     }
    
}

$HTTP_RAW_POST_DATA = isset($HTTP_RAW_POST_DATA) ? $HTTP_RAW_POST_DATA : '';

$server->service($HTTP_RAW_POST_DATA);
------------------------------end nusoap server-------------------------------------------------------

3rd-> call  the wsdl what you create
-------------------------------------------------

create nusoapcallwsdl.php
past below my code


require_once('../lib/nusoap.php');
$client = new soapclient('http://127.0.0.1/test/nusoap/samples/index.php?wsdl');

$res=$client->__call('getrequest',array('bikash'));
print_r($res);