Sophie: howto-html-en-20080722-2mdv2010.1 noarch

howto-html-en-20080722-2mdv2010.1.noarch.rpm

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><A
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>10. Using XML-RPC with PHP</A
></H1
><P
>Edd Dumbill has implemented XML-RPC for PHP. You can download it
    from the <A
HREF="http://xmlrpc.usefulinc.com/"
TARGET="_top"
>UsefulInc XML-RPC
    website</A
>.</P
><P
>To install the distribution, decompress it and copy
    <TT
CLASS="filename"
>xmlrpc.inc</TT
> and <TT
CLASS="filename"
>xmlrpcs.inc</TT
>
    into the same directory as your PHP scripts.</P
><DIV
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><H2
CLASS="section"
><A
NAME="xmlrpc-howto-php-client"
>10.1. A PHP Client</A
></H2
><P
>The following script shows how to embed XML-RPC calls into a
      web page.</P
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><PRE
CLASS="programlisting"
>&#60;html&#62;
&#60;head&#62;
&#60;title&#62;XML-RPC PHP Demo&#60;/title&#62;
&#60;/head&#62;
&#60;body&#62;
&#60;h1&#62;XML-RPC PHP Demo&#60;/h1&#62;

&#60;?php
include 'xmlrpc.inc';

// Make an object to represent our server.
$server = new xmlrpc_client('/api/sample.php',
                            'xmlrpc-c.sourceforge.net', 80);

// Send a message to the server.
$message = new xmlrpcmsg('sample.sumAndDifference',
                         array(new xmlrpcval(5, 'int'),
                               new xmlrpcval(3, 'int')));
$result = $server-&#62;send($message);

// Process the response.
if (!$result) {
    print "&#60;p&#62;Could not connect to HTTP server.&#60;/p&#62;";
} elseif ($result-&#62;faultCode()) {
    print "&#60;p&#62;XML-RPC Fault #" . $result-&#62;faultCode() . ": " .
        $result-&#62;faultString();
} else {
    $struct = $result-&#62;value();
    $sumval = $struct-&#62;structmem('sum');
    $sum = $sumval-&#62;scalarval();
    $differenceval = $struct-&#62;structmem('difference');
    $difference = $differenceval-&#62;scalarval();
    print "&#60;p&#62;Sum: " . htmlentities($sum) .
        ", Difference: " . htmlentities($difference) . "&#60;/p&#62;";
}
?&#62;

&#60;/body&#62;&#60;/html&#62;</PRE
></TD
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><P
>If your webserver doesn't run PHP scripts, see the <A
HREF="http://www.php.net/"
TARGET="_top"
>PHP website</A
> for more
      information.</P
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><DIV
CLASS="section"
><H2
CLASS="section"
><A
NAME="xmlrpc-howto-php-server"
>10.2. A PHP Server</A
></H2
><P
>The following script shows how to implement an XML-RPC server
      using PHP.</P
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CLASS="programlisting"
>&#60;?php
include 'xmlrpc.inc';
include 'xmlrpcs.inc';

function sumAndDifference ($params) {

    // Parse our parameters.
    $xval = $params-&#62;getParam(0);
    $x = $xval-&#62;scalarval();
    $yval = $params-&#62;getParam(1);
    $y = $yval-&#62;scalarval();

    // Build our response.
    $struct = array('sum' =&#62; new xmlrpcval($x + $y, 'int'),
                    'difference' =&#62; new xmlrpcval($x - $y, 'int'));
    return new xmlrpcresp(new xmlrpcval($struct, 'struct'));
}

// Declare our signature and provide some documentation.
// (The PHP server supports remote introspection. Nifty!)
$sumAndDifference_sig = array(array('struct', 'int', 'int'));
$sumAndDifference_doc = 'Add and subtract two numbers';

new xmlrpc_server(array('sample.sumAndDifference' =&#62;
                        array('function' =&#62; 'sumAndDifference',
                              'signature' =&#62; $sumAndDifference_sig,
                              'docstring' =&#62; $sumAndDifference_doc)));
?&#62;</PRE
></TD
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><P
>You would normally invoke this as something like
      <TT
CLASS="literal"
>http://localhost/path/sumAndDifference.php</TT
>.</P
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