$client = new SoapClient( 'http://api.google.com/GoogleSearch.wsdl', array("trace"=>1,"exceptions"=>0) );

$result = $client->doGoogleSearch(
        'YOUR-API-KEY', // Your Google API key
        'something',    // Search query with up to 32 words
        20,             // Start
        5,              // Maximum results from 1 to 10
        FALSE,          // Filter removes similar results
        '',             // Restrict by topic
        false,          // Safesearch
        '',             // Language restriction
        '','');

foreach($result->resultElements as $hit) {
    echo $hit->URL . '<br />';
}