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Filename : example_server.php
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<?php
/**
 * Example server.
 *
 * PHP versions 4 and 5
 *
 * LICENSE: This source file is subject to version 2.02 of the PHP license,
 * that is bundled with this package in the file LICENSE, and is available at
 * through the world-wide-web at http://www.php.net/license/2_02.txt.  If you
 * did not receive a copy of the PHP license and are unable to obtain it
 * through the world-wide-web, please send a note to license@php.net so we can
 * mail you a copy immediately.
 *
 * @category   Web Services
 * @package    SOAP
 * @author     Shane Caraveo <Shane@Caraveo.com>   Port to PEAR and more
 * @author     Jan Schneider <jan@horde.org>       Maintenance
 * @copyright  2003-2007 The PHP Group
 * @license    http://www.php.net/license/2_02.txt  PHP License 2.02
 * @link       http://pear.php.net/package/SOAP
 */

/** SOAP_Value */
require_once 'SOAP/Value.php';
require_once 'SOAP/Fault.php';

/** SOAPStruct */
require_once dirname(__FILE__) . '/example_types.php';

/* Create a class for your SOAP functions. */
class SOAP_Example_Server {
    /* The dispatch map does not need to be used, but aids the server class in
     * knowing what parameters are used with the functions.  This is the ONLY
     * way to have multiple OUT parameters.  If you use a dispatch map, you
     * MUST add ALL functions you wish to allow be called.  If you do not use
     * a dispatch map, then any public function can be called from SOAP. We
     * consider this to be any function in the class unless it starts with
     * underscore.  If you do not define in/out parameters, the function can
     * be called with parameters, but no validation on parameters will
     * occur. */
    var $__dispatch_map = array();

    function SOAP_Example_Server() {
        /* When generating WSDL for a server, you have to define any special
         * complex types that you use (ie classes).  Using a namespace id
         * before the type will create an XML schema with the targetNamespace
         * for the type multiple types with the same namespace will appear in
         * the same schema section.  Types with different namespaces will be
         * in separate schema sections.  The following SOAPStruct typedef
         * cooresponds to the SOAPStruct class above. */
        $this->__typedef['{http://soapinterop.org/xsd}SOAPStruct'] =
            array('varString' => 'string',
                  'varInt' => 'int',
                  'varFloat' => 'float');

        /* An aliased function with multiple out parameters. */
        $this->__dispatch_map['echoStructAsSimpleTypes'] =
            array('in' => array('inputStruct' => '{http://soapinterop.org/xsd}SOAPStruct'),
                  'out' => array('outputString' => 'string',
                                 'outputInteger' => 'int',
                                 'outputFloat' => 'float'),
                  'alias' => 'myEchoStructAsSimpleTypes');
        $this->__dispatch_map['echoStringSimple'] =
            array('in' => array('inputStringSimple' => 'string'),
                  'out' => array('outputStringSimple' => 'string'));
        $this->__dispatch_map['echoString'] =
            array('in' => array('inputString' => 'string'),
                  'out' => array('outputString' => 'string'));
        $this->__dispatch_map['divide'] =
            array('in' => array('dividend' => 'int',
                                'divisor' => 'int'),
                  'out' => array('outputFloat' => 'float'));
        $this->__dispatch_map['echoStruct'] =
            array('in' => array('inputStruct' => '{http://soapinterop.org/xsd}SOAPStruct'),
                  'out' => array('outputStruct' => '{http://soapinterop.org/xsd}SOAPStruct'));

        $this->__dispatch_map['echoMimeAttachment'] =
            array('in' => array('stuff' => 'string'),
                  'out' => array('outputMime' => 'string'));
    }

    /* This private function is called on by SOAP_Server to determine any
     * special dispatch information that might be necessary.  This, for
     * example, can be used to set up a dispatch map for functions that return
     * multiple OUT parameters. */
    function __dispatch($methodname)
    {
        if (isset($this->__dispatch_map[$methodname])) {
            return $this->__dispatch_map[$methodname];
        }
        return null;
    }

    /* A simple echoString function. */
    function echoStringSimple($inputString)
    {
        return $inputString;
    }

    /* An explicit echoString function. */
    function echoString($inputString)
    {
        return new SOAP_Value('outputString', 'string', $inputString);
    }

    function divide($dividend, $divisor)
    {
        /* The SOAP server would normally catch errors like this and return a
         * fault, but this is how you do it yourself. */
        if ($divisor == 0) {
            return new SOAP_Fault('You cannot divide by zero', 'Client');
        } else {
            return $dividend / $divisor;
        }
    }

    function echoStruct($inputStruct)
    {
        return $inputStruct->__to_soap('outputStruct');
    }

    /**
     * Takes a SOAPStruct as input, and returns each of its elements as OUT
     * parameters.
     *
     * This function is also aliased so you have to call it as
     * echoStructAsSimpleTypes.
     *
     * SOAPStruct is defined as:
     * <code>
     * struct SOAPStruct:
     *    string varString
     *    integer varInt
     *    float varFloat
     * </code>
     */
    function myEchoStructAsSimpleTypes($struct)
    {
        /* Convert a SOAPStruct to an array. */
        return array(
            new SOAP_Value('outputString', 'string', $struct->varString),
            new SOAP_Value('outputInteger', 'int', $struct->varInt),
            new SOAP_Value('outputFloat', 'float', $struct->varFloat)
	    );
    }

    function echoMimeAttachment($stuff)
    {
        return new SOAP_Attachment('return',
                                   'application/octet-stream',
                                   null,
                                   $stuff);
    }

}