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Remote Procedure Calls with PEAR::XML-RPC

By: bluephoenix	Search For More Articles! Disclaimer Author Terms
Rating: / 4
2004-01-29

Table of Contents:

Remote Procedure Calls with PEAR::XML-RPC

The Example Script

An XML_RPC Exchange

Client Rewritten Example

Client Sending

Client Receiving

Server Rewritten Example

Distributed Function Requirements

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Remote Procedure Calls with PEAR::XML-RPC - Client Receiving

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A value object is extracted from the response by the response object's value method. For scalar values, the value's type can then be extracted with scalartype and the value extracted with scalarval.

<?php
$value = $result-&gt;value();
$number = $value-&gt;scalarval();
?>

Again, serialize can be used to view the message and response XML.

<?php
echo "&lt;p&gt;&lt;b&gt;Return Value:&lt;/b&gt; $number &lt;/p&gt;";
echo "&lt;p&gt;&lt;b&gt;Received XML Message:&lt;/b&gt;";
echo "&lt;pre&gt;" . htmlentities($result-&gt;serialize()) . "&lt;/pre&gt;&lt;/p&gt;";

echo "&lt;p&gt;$first $last's name is $number letters long.&lt;/p&gt;";
?>

The arraymem and structmem methods are used to extract a specified array or structure member. For example:

<?php
$value = $result-&gt;arraymem($n);
$value = $result-&gt;structmem($memberName);
?>

The arraymem method returns element $n of $result as a value object. The structmem method returns $memberName of $result as a value object.

Next: Server Rewritten Example >>

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