Include the SOAP Client

<?php require_once('SOAP/Client.php'); ?>
Create the SOAP Client

<?php
$endpoint = 'http://api.google.com/search/beta2';
$client =& new SOAP_Client($endpoint);
?>
Prepare the Data

<?php
$key =& new SOAP_Value('key','string','xxxx');
$query =& new SOAP_Value('q','string','Caraveo');
$start =& new SOAP_Value('start','int',0);
$maxResults =& new SOAP_Value('maxResults','int',4);
$filter =& new SOAP_Value('filter','boolean',false);
$restrict =& new SOAP_Value('restrict','string','');
$safeSearch =& new SOAP_Value('safeSearch','boolean',false);
$lr =& new SOAP_Value('lr','string','');
$ie =& new SOAP_Value('ie','string','');
$oe =& new SOAP_Value('oe','string','');
?>
Make the SOAP Call

<?php
$response = $client->call('doGoogleSearch',
                          $params = 
                            array($key,$query,$start,$maxResults,
                                $filter,$restrict,$safeSearch,
                                $lr,$ie,$oe),
                          array('namespace'=>'urn:GoogleSearch'));
?>
Do something with the results

<?php
foreach($response->resultElements as $result) {
    echo '<a href="'.$result->URL.'">';
    echo $result->title."</a><br><br>\n";
    echo $result->snippet."<br><br><br>\n";
}
?>