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Accessing geo-nick with Pear XML_RPC2

Thu, 30/07/2009 - 23:12 — Christian Weiske

Here you will find another version using PEAR's XML_RPC2 package.

It also converts the values returned into a RDF xml:

<?php
/**
*   Fetches php-gtk2 user data from www.php-gtk.eu
*/
require_once 'XML/RPC2/Client.php';

$options = array(
    'prefix' => 'gtkphpnet.'
);

$client = XML_RPC2_Client::create('http://www.php-gtk.eu/xmlrpc.php', $options);

try {
    $arUsersCount = $client->active_users();
    $nUsers = $arUsersCount['geo-nick'];
    $nCurrentCount = 0;
    $nStepSize = 10;
    $result = array();
    $strLastNick = '';
    do {
        $result = array_merge($result, $client->geo_nick($strLastNick, $nStepSize));
        end($result);
        $strLastNick = key($result);
        $nCurrentCount += $nStepSize;
    } while ($nCurrentCount < $nUsers);

    $xml = <<<EOD
<?xml version="1.0" encoding="utf-8"? >
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
        xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
        xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#"
        xmlns:dc="http://purl.org/dc/elements/1.1/"
        xmlns="http://xmlns.com/foaf/0.1/">
EOD;
    foreach ($result as $strName => $arPerson) {
        $xml .= '<Person>
<name>' . $strName . '</name>
<based_near geo:lat="'  . $arPerson[0] . '" geo:long="' . $arPerson[1] . '"/>
</Person>
';
    }
    $xml .= '</rdf:RDF>' . "\n";

    echo $xml;
} catch (XML_RPC2_FaultException $e) {
    die('Exception #' . $result->getFaultCode() . ' : ' . $e->getFaultString());
} catch (Exception $e) {
    die('Exception : ' . $e->getMessage());
}
?>