Consuming SOAP services

Full web service description is at http://www.webservicex.net/ws/WSDetails.aspx?CATID=12&WSID=64
Yellow highlighted portion is SOAP Web Service URI
Green Highlighted portion is the method name.

And red one is argument name for the method.

<?php
$client = new SoapClient("http://www.webservicex.net/geoipservice.asmx?WSDL", array('trace' => 1));
$result = $client -> GetGeoIP(array('IPAddress' => '63.23.32.12'));

echo "<p> <strong>Country Name</strong> " . $result->GetGeoIPResult->CountryName . "</p>"; 

echo "<h2>For debugging purposes</h2> \n <h3>Request HTTP Headers:</h3> \n <pre>" . htmlentities($client->__getLastRequestHeaders(), ENT_QUOTES ) . "</pre>\n";
echo "<h3>Request as XML string:</h3>\n" . htmlentities($client->__getLastRequest(), ENT_QUOTES ) . "<br>\n";

echo "<hr><h3>SOAP Response as XML string:</h3>" . htmlentities($client->__getLastResponse(), ENT_QUOTES ) . "<br>\n ";
echo "<h3>Response HTTP Headers:</h3>\n<pre>" . htmlentities($client->__getLastResponseHeaders(), ENT_QUOTES ) . "</pre>\n";

echo"<hr><h3>SOAP Response as object</h3><pre>";
print_r($result);
echo"</pre>";
?>

The SoapClient class creates, sends and receive all the necessary HTTP headers and SOAP envelopes.