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<?php
/**
 * This file contains the code for dealing with WSDL access and services.
 *
 * 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     Dietrich Ayala <dietrich@ganx4.com> Original Author
 * @author     Shane Caraveo <Shane@Caraveo.com>   Port to PEAR and more
 * @author     Chuck Hagenbuch <chuck@horde.org>   Maintenance
 * @author     Jan Schneider <jan@horde.org>       Maintenance
 * @copyright  2003-2005 The PHP Group
 * @license    http://www.php.net/license/2_02.txt  PHP License 2.02
 * @link       http://pear.php.net/package/SOAP
 */

require_once 'SOAP/Base.php';
require_once 'SOAP/Fault.php';
require_once 'HTTP/Request.php';

define('WSDL_CACHE_MAX_AGE', 43200);

/**
 * This class parses WSDL files, and can be used by SOAP::Client to properly
 * register soap values for services.
 *
 * Originally based on SOAPx4 by Dietrich Ayala
 * http://dietrich.ganx4.com/soapx4
 *
 * @todo
 * - refactor namespace handling ($namespace/$ns)
 * - implement IDL type syntax declaration so we can generate WSDL
 *
 * @access public
 * @package SOAP
 * @author Shane Caraveo <shane@php.net> Conversion to PEAR and updates
 * @author Dietrich Ayala <dietrich@ganx4.com> Original Author
 */
class SOAP_WSDL extends SOAP_Base
{
    var $tns = null;
    var $definition = array();
    var $namespaces = array();
    var $ns = array();
    var $xsd = SOAP_XML_SCHEMA_VERSION;
    var $complexTypes = array();
    var $elements = array();
    var $messages = array();
    var $portTypes = array();
    var $bindings = array();
    var $imports = array();
    var $services = array();
    var $service = '';

    /**
     * URL to WSDL file.
     *
     * @var string
     */
    var $uri;

    /**
     * Parse documentation in the WSDL?
     *
     * @var boolean
     */
    var $docs;

    /**
     * Proxy parameters.
     *
     * @var array
     */
    var $proxy;

    /**
     * Enable tracing in the generated proxy class?
     *
     * @var boolean
     */
    var $trace = false;

    /**
     * Use WSDL cache?
     *
     * @var boolean
     */
    var $cacheUse;

    /**
     * WSDL cache directory.
     *
     * @var string
     */
    var $cacheDir;

    /**
     * Cache maximum lifetime (in seconds).
     *
     * @var integer
     */
    var $cacheMaxAge;

    /**
     * Class to use for WSDL parsing. Can be overridden for special cases,
     * subclasses, etc.
     *
     * @var string
     */
    var $wsdlParserClass = 'SOAP_WSDL_Parser';

    /**
     * Reserved PHP keywords.
     *
     * @link http://www.php.net/manual/en/reserved.php
     *
     * @var array
     */
    var $_reserved = array('abstract', 'and', 'array', 'as', 'break', 'case',
                           'catch', 'cfunction', 'class', 'clone', 'const',
                           'continue', 'declare', 'default', 'die', 'do',
                           'echo', 'else', 'elseif', 'empty', 'enddeclare',
                           'endfor', 'endforeach', 'endif', 'endswitch',
                           'endwhile', 'eval', 'exception', 'exit', 'extends',
                           'final', 'for', 'foreach', 'function', 'global',
                           'if', 'implements', 'include', 'include_once',
                           'interface', 'isset', 'list', 'new', 'old_function',
                           'or', 'php_user_filter', 'print', 'private',
                           'protected', 'public', 'require', 'require_once',
                           'return', 'static', 'switch', 'this', 'throw',
                           'try', 'unset', 'use', 'var', 'while', 'xor');

    /**
     * Regular expressions for invalid PHP labels.
     *
     * @link http://www.php.net/manual/en/language.variables.php.
     *
     * @var string
     */
    var $_invalid = array('/^[^a-zA-Z_\x7f-\xff]/', '/[^a-zA-Z0-9_\x7f-\xff]/');

    /**
     * SOAP_WSDL constructor.
     *
     * @param string $wsdl_uri          URL to WSDL file.
     * @param array $proxy              Options for HTTP_Request class
     *                                  @see HTTP_Request.
     * @param boolean|string $cacheUse  Use WSDL caching? The cache directory
     *                                  if a string.
     * @param integer $cacheMaxAge      Cache maximum lifetime (in seconds).
     * @param boolean $docs             Parse documentation in the WSDL?
     *
     * @access public
     */
    function SOAP_WSDL($wsdl_uri    = false,
                       $proxy       = array(),
                       $cacheUse    = false,
                       $cacheMaxAge = WSDL_CACHE_MAX_AGE,
                       $docs        = false)
    {
        parent::SOAP_Base('WSDL');
        $this->uri         = $wsdl_uri;
        $this->proxy       = $proxy;
        $this->cacheUse    = !empty($cacheUse);
        $this->cacheMaxAge = $cacheMaxAge;
        $this->docs        = $docs;
        if (is_string($cacheUse)) {
            $this->cacheDir = $cacheUse;
        }

        if ($wsdl_uri) {
            if (!PEAR::isError($this->parseURL($wsdl_uri))) {
                reset($this->services);
                $this->service = key($this->services);
            }
        }
    }

    /**
     * @deprecated  Use setService().
     */
    function set_service($service)
    {
        $this->setService($service);
    }

    /**
     * Sets the service currently to be used.
     *
     * @param string $service  An (existing) service name.
     */
    function setService($service)
    {
        if (array_key_exists($service, $this->services)) {
            $this->service = $service;
        }
    }

    /**
     * Fills the WSDL array tree with data from a WSDL file.
     *
     * @param string $wsdl_uri  URL to WSDL file.
     */
    function parseURL($wsdl_uri)
    {
        $parser =& new $this->wsdlParserClass($wsdl_uri, $this, $this->docs);

        if ($parser->fault) {
            $this->_raiseSoapFault($parser->fault);
        }
    }

    /**
     * Fills the WSDL array tree with data from one or more PHP class objects.
     *
     * @param mixed $wsdl_obj          An object or array of objects to add to
     *                                 the internal WSDL tree.
     * @param string $targetNamespace  The target namespace of schema types
     *                                 etc.
     * @param string $service_name     Name of the WSDL service.
     * @param string $service_desc     Optional description of the WSDL
     *                                 service.
     */
    function parseObject($wsdl_obj, $targetNamespace, $service_name,
                         $service_desc = '')
    {
        $parser = new SOAP_WSDL_ObjectParser($wsdl_obj, $this,
                                             $targetNamespace, $service_name,
                                             $service_desc);

        if ($parser->fault) {
            $this->_raiseSoapFault($parser->fault);
        }
    }

    function getEndpoint($portName)
    {
        if ($this->_isfault()) {
            return $this->_getfault();
        }

        return (isset($this->services[$this->service]['ports'][$portName]['address']['location']))
                ? $this->services[$this->service]['ports'][$portName]['address']['location']
                : $this->_raiseSoapFault("No endpoint for port for $portName", $this->uri);
    }

    function _getPortName($operation, $service)
    {
        if (isset($this->services[$service]['ports'])) {
            $ports = $this->services[$service]['ports'];
            foreach ($ports as $port => $portAttrs) {
                $type = $ports[$port]['type'];
                if ($type == 'soap' &&
                    isset($this->bindings[$portAttrs['binding']]['operations'][$operation])) {
                    return $port;
                }
            }
        }
        return null;
    }

    /**
     * Finds the name of the first port that contains an operation of name
     * $operation. Always returns a SOAP portName.
     */
    function getPortName($operation, $service = null)
    {
        if ($this->_isfault()) {
            return $this->_getfault();
        }

        if (!$service) {
            $service = $this->service;
        }
        if (isset($this->services[$service]['ports'])) {
            if ($portName = $this->_getPortName($operation, $service)) {
                return $portName;
            }
        }
        // Try any service in the WSDL.
        foreach ($this->services as $serviceName => $service) {
            if (isset($this->services[$serviceName]['ports'])) {
                if ($portName = $this->_getPortName($operation, $serviceName)) {
                    $this->service = $serviceName;
                    return $portName;
                }
            }
        }
        return $this->_raiseSoapFault("No operation $operation in WSDL.", $this->uri);
    }

    function getOperationData($portName, $operation)
    {
        if ($this->_isfault()) {
            return $this->_getfault();
        }

        if (!isset($this->services[$this->service]['ports'][$portName]['binding']) ||
            !($binding = $this->services[$this->service]['ports'][$portName]['binding'])) {
            return $this->_raiseSoapFault("No binding for port $portName in WSDL.", $this->uri);
        }

        // Get operation data from binding.
        if (is_array($this->bindings[$binding]['operations'][$operation])) {
            $opData = $this->bindings[$binding]['operations'][$operation];
        }
        // Get operation data from porttype.
        $portType = $this->bindings[$binding]['type'];
        if (!$portType) {
            return $this->_raiseSoapFault("No port type for binding $binding in WSDL.", $this->uri);
        }
        if (is_array($type = $this->portTypes[$portType][$operation])) {
            if (isset($type['parameterOrder'])) {
                $opData['parameterOrder'] = $type['parameterOrder'];
            }
            $opData['input'] = array_merge($opData['input'], $type['input']);
            $opData['output'] = array_merge($opData['output'], $type['output']);
        }
        if (!$opData)
            return $this->_raiseSoapFault("No operation $operation for port $portName in WSDL.", $this->uri);
        $opData['parameters'] = false;
        if (isset($this->bindings[$binding]['operations'][$operation]['input']['namespace']))
            $opData['namespace'] = $this->bindings[$binding]['operations'][$operation]['input']['namespace'];
        // Message data from messages.
        $inputMsg = $opData['input']['message'];
        if (is_array($this->messages[$inputMsg])) {
            foreach ($this->messages[$inputMsg] as $pname => $pattrs) {
                if ($opData['style'] == 'document' &&
                    $opData['input']['use'] == 'literal' &&
                    $pname == 'parameters') {
                    $opData['parameters'] = true;
                    $opData['namespace'] = $this->namespaces[$pattrs['namespace']];
                    $el = $this->elements[$pattrs['namespace']][$pattrs['type']];
                    if (isset($el['elements'])) {
                        foreach ($el['elements'] as $elname => $elattrs) {
                            $opData['input']['parts'][$elname] = $elattrs;
                        }
                    }
                } else {
                    $opData['input']['parts'][$pname] = $pattrs;
                }
            }
        }
        $outputMsg = $opData['output']['message'];
        if (is_array($this->messages[$outputMsg])) {
            foreach ($this->messages[$outputMsg] as $pname => $pattrs) {
                if ($opData['style'] == 'document' &&
                    $opData['output']['use'] == 'literal' &&
                    $pname == 'parameters') {

                    $el = $this->elements[$pattrs['namespace']][$pattrs['type']];
                    if (isset($el['elements'])) {
                        foreach ($el['elements'] as $elname => $elattrs) {
                            $opData['output']['parts'][$elname] = $elattrs;
                        }
                    }
                } else {
                    $opData['output']['parts'][$pname] = $pattrs;
                }
            }
        }
        return $opData;
    }

    function matchMethod(&$operation)
    {
        if ($this->_isfault()) {
            return $this->_getfault();
        }

        // Overloading lowercases function names :(
        foreach ($this->services[$this->service]['ports'] as $portAttrs) {
            foreach (array_keys($this->bindings[$portAttrs['binding']]['operations']) as $op) {
                if (strcasecmp($op, $operation) == 0) {
                    $operation = $op;
                }
            }
        }
    }

    /**
     * Given a datatype, what function handles the processing?
     *
     * This is used for doc/literal requests where we receive a datatype, and
     * we need to pass it to a method in out server class.
     *
     * @param string $datatype
     * @param string $namespace
     * @return string
     * @access public
     */
    function getDataHandler($datatype, $namespace)
    {
        // See if we have an element by this name.
        if (isset($this->namespaces[$namespace])) {
            $namespace = $this->namespaces[$namespace];
        }

        if (!isset($this->ns[$namespace])) {
            return null;
        }

        $nsp = $this->ns[$namespace];
        //if (!isset($this->elements[$nsp]))
        //    $nsp = $this->namespaces[$nsp];
        if (!isset($this->elements[$nsp][$datatype])) {
            return null;
        }

        $checkmessages = array();
        // Find what messages use this datatype.
        foreach ($this->messages as $messagename => $message) {
            foreach ($message as $part) {
                if ($part['type'] == $datatype) {
                    $checkmessages[] = $messagename;
                    break;
                }
            }
        }
        // Find the operation that uses this message.
        foreach($this->portTypes as $porttype) {
            foreach ($porttype as $opname => $opinfo) {
                foreach ($checkmessages as $messagename) {
                    if ($opinfo['input']['message'] == $messagename) {
                        return $opname;
                    }
                }
            }
        }

        return null;
    }

    function getSoapAction($portName, $operation)
    {
        if ($this->_isfault()) {
            return $this->_getfault();
        }

        if (!empty($this->bindings[$this->services[$this->service]['ports'][$portName]['binding']]['operations'][$operation]['soapAction'])) {
            return $this->bindings[$this->services[$this->service]['ports'][$portName]['binding']]['operations'][$operation]['soapAction'];
        }

        return false;
    }

    function getNamespace($portName, $operation)
    {
        if ($this->_isfault()) {
            return $this->_getfault();
        }

        if (!empty($this->bindings[$this->services[$this->service]['ports'][$portName]['binding']]['operations'][$operation]['input']['namespace'])) {
            return $this->bindings[$this->services[$this->service]['ports'][$portName]['binding']]['operations'][$operation]['input']['namespace'];
        }

        return false;
    }

    function getNamespaceAttributeName($namespace)
    {
        /* If it doesn't exist at first, flip the array and check again. */
        if (empty($this->ns[$namespace])) {
            $this->ns = array_flip($this->namespaces);
        }

        /* If it doesn't exist now, add it. */
        if (empty($this->ns[$namespace])) {
            return $this->addNamespace($namespace);
        }

        return $this->ns[$namespace];
    }

    function addNamespace($namespace)
    {
        if (!empty($this->ns[$namespace])) {
            return $this->ns[$namespace];
        }

        $n = count($this->ns);
        $attr = 'ns' . $n;
        $this->namespaces['ns' . $n] = $namespace;
        $this->ns[$namespace] = $attr;

        return $attr;
    }

    function _validateString($string)
    {
        return preg_match('/^[\w_:#\/]+$/', $string);
    }

    function _addArg(&$args, &$argarray, $argname)
    {
        if ($args) {
            $args .= ', ';
        }
        $args .= '$' . $argname;
        if (!$this->_validateString($argname)) {
            return;
        }
        if ($argarray) {
            $argarray .= ', ';
        }
        $argarray .= "'$argname' => $" . $argname;
    }

    function _elementArg(&$args, &$argarray, &$_argtype, $_argname)
    {
        $comments = '';
        $el = $this->elements[$_argtype['namespace']][$_argtype['type']];
        $tns = isset($this->ns[$el['namespace']])
            ? $this->ns[$el['namespace']]
            : $_argtype['namespace'];

        if (!empty($el['complex']) ||
            (isset($el['type']) &&
             isset($this->complexTypes[$tns][$el['type']]))) {
            // The element is a complex type.
            $comments .= "        // {$_argtype['type']} is a ComplexType, refer to the WSDL for more info.\n";
            $attrname = "{$_argtype['type']}_attr";
            if (isset($el['type']) &&
                isset($this->complexTypes[$tns][$el['type']]['attribute'])) {
                $comments .= "        // {$_argtype['type']} may require attributes, refer to the WSDL for more info.\n";
            }
            $comments .= "        \${$attrname}['xmlns'] = '{$this->namespaces[$_argtype['namespace']]}';\n";
            $comments .= "        \${$_argtype['type']} = new SOAP_Value('{$_argtype['type']}', false, \${$_argtype['type']}, \$$attrname);\n";
            $this->_addArg($args, $argarray, $_argtype['type']);
            if (isset($el['type']) &&
                isset($this->complexTypes[$tns][$el['type']]['attribute'])) {
                if ($args) {
                    $args .= ', ';
                }
                $args .= '$' . $attrname;
            }
        } elseif (isset($el['elements'])) {
            foreach ($el['elements'] as $ename => $element) {
                $comments .= "        \$$ename = new SOAP_Value('{{$this->namespaces[$element['namespace']]}}$ename', '" .
                    (isset($element['type']) ? $element['type'] : false) .
                    "', \$$ename);\n";
                $this->_addArg($args, $argarray, $ename);
            }
        } else {
            $comments .= "        \$$_argname = new SOAP_Value('{{$this->namespaces[$tns]}}$_argname', '{$el['type']}', \$$_argname);\n";
            $this->_addArg($args, $argarray, $_argname);
        }

        return $comments;
    }

    function _complexTypeArg(&$args, &$argarray, &$_argtype, $_argname)
    {
        $comments = '';
        if (isset($this->complexTypes[$_argtype['namespace']][$_argtype['type']])) {
            $comments  = "        // $_argname is a ComplexType {$_argtype['type']},\n" .
                "        // refer to wsdl for more info\n";
            if (isset($this->complexTypes[$_argtype['namespace']][$_argtype['type']]['attribute'])) {
                $comments .= "        // $_argname may require attributes, refer to wsdl for more info\n";
            }
            $wrapname = '{' . $this->namespaces[$_argtype['namespace']].'}' . $_argtype['type'];
            $comments .= "        \$$_argname = new SOAP_Value('$_argname', '$wrapname', \$$_argname);\n";
        }

        $this->_addArg($args, $argarray, $_argname);

        return $comments;
    }

    /**
     * Generates stub code from the WSDL that can be saved to a file or eval'd
     * into existence.
     */
    function generateProxyCode($port = '', $classname = '')
    {
        if ($this->_isfault()) {
            return $this->_getfault();
        }

        $multiport = count($this->services[$this->service]['ports']) > 1;
        if (!$port) {
            reset($this->services[$this->service]['ports']);
            $port = current($this->services[$this->service]['ports']);
        }
        // XXX currently do not support HTTP ports
        if ($port['type'] != 'soap') {
            return null;
        }

        // XXX currentPort is BAD
        $clienturl = $port['address']['location'];
        if (!$classname) {
            if ($multiport || $port) {
                $classname = 'WebService_' . $this->service . '_' . $port['name'];
            } else {
                $classname = 'WebService_' . $this->service;
            }
            $classname = $this->_sanitize($classname);
        }

        if (!$this->_validateString($classname)) {
            return null;
        }

        if (is_array($this->proxy) && count($this->proxy)) {
            $class = "class $classname extends SOAP_Client\n{\n" .
            "    function $classname(\$path = '$clienturl')\n    {\n" .
            "        \$this->SOAP_Client(\$path, 0, 0,\n" .
            '                           array(';

            foreach ($this->proxy as $key => $val) {
                if (is_array($val)) {
                    $class .= "'$key' => array(";
                    foreach ($val as $key2 => $val2) {
                        $class .= "'$key2' => '$val2', ";
                    }
                    $class .= ')';
                } else {
                    $class .= "'$key' => '$val', ";
                }
            }
            $class .= "));\n    }\n";
            $class = str_replace(', ))', '))', $class);
        } else {
            $class = "class $classname extends SOAP_Client\n{\n" .
            "    function $classname(\$path = '$clienturl')\n    {\n" .
            "        \$this->SOAP_Client(\$path, 0);\n" .
            "    }\n";
        }

        // Get the binding, from that get the port type.
        $primaryBinding = $port['binding'];
        $primaryBinding = preg_replace("/^(.*:)/", '', $primaryBinding);
        $portType = $this->bindings[$primaryBinding]['type'];
        $portType = preg_replace("/^(.*:)/", '', $portType);
        $style = $this->bindings[$primaryBinding]['style'];

        // XXX currentPortType is BAD
        foreach ($this->portTypes[$portType] as $opname => $operation) {
            $binding = $this->bindings[$primaryBinding]['operations'][$opname];
            if (isset($binding['soapAction'])) {
                $soapaction = $binding['soapAction'];
            } else {
                $soapaction = null;
            }
            if (isset($binding['style'])) {
                $opstyle = $binding['style'];
            } else {
                $opstyle = $style;
            }
            $use = $binding['input']['use'];
            if ($use == 'encoded') {
                $namespace = $binding['input']['namespace'];
            } else {
                $bindingType = $this->bindings[$primaryBinding]['type'];
                $ns = $this->portTypes[$bindingType][$opname]['input']['namespace'];
                $namespace = $this->namespaces[$ns];
            }

            $args = '';
            $argarray = '';
            $comments = '';
            $wrappers = '';
            foreach ($operation['input'] as $argname => $argtype) {
                if ($argname == 'message') {
                    foreach ($this->messages[$argtype] as $_argname => $_argtype) {
                        $_argname = $this->_sanitize($_argname);
                        if ($opstyle == 'document' && $use == 'literal' &&
                            $_argtype['name'] == 'parameters') {
                            // The type or element refered to is used for
                            // parameters.
                            $elattrs = null;
                            $el = $this->elements[$_argtype['namespace']][$_argtype['type']];

                            if ($el['complex']) {
                                $namespace = $this->namespaces[$_argtype['namespace']];
                                // XXX need to wrap the parameters in a
                                // SOAP_Value.
                            }
                            if (isset($el['elements'])) {
                                foreach ($el['elements'] as $elname => $elattrs) {
                                    $elname = $this->_sanitize($elname);
                                    // Is the element a complex type?
                                    if (isset($this->complexTypes[$elattrs['namespace']][$elname])) {
                                        $comments .= $this->_complexTypeArg($args, $argarray, $_argtype, $_argname);
                                    } else {
                                        $this->_addArg($args, $argarray, $elname);
                                    }
                                }
                            }
                            if ($el['complex'] && $argarray) {
                                $wrapname = '{' . $this->namespaces[$_argtype['namespace']].'}' . $el['name'];
                                $comments .= "        \${$el['name']} = new SOAP_Value('$wrapname', false, \$v = array($argarray));\n";
                                $argarray = "'{$el['name']}' => \${$el['name']}";
                            }
                        } else {
                            if (isset($_argtype['element'])) {
                                // Element argument.
                                $comments .= $this->_elementArg($args, $argarray, $_argtype, $_argtype['type']);
                            } else {
                                // Complex type argument.
                                $comments .= $this->_complexTypeArg($args, $argarray, $_argtype, $_argname);
                            }
                        }
                    }
                }
            }

            // Validate entries.

            // Operation names are function names, so try to make sure it's
            // legal. This could potentially cause collisions, but let's try
            // to make everything callable and see how many problems that
            // causes.
            $opname_php = $this->_sanitize($opname);
            if (!$this->_validateString($opname_php)) {
                return null;
            }

            if ($argarray) {
                $argarray = "array($argarray)";
            } else {
                $argarray = 'null';
            }

            $class .= "    function &$opname_php($args)\n    {\n$comments$wrappers" .
                "        \$result = \$this->call('$opname',\n" .
                "                              \$v = $argarray,\n" .
                "                              array('namespace' => '$namespace',\n" .
                "                                    'soapaction' => '$soapaction',\n" .
                "                                    'style' => '$opstyle',\n" .
                "                                    'use' => '$use'" .
                ($this->trace ? ",\n                                    'trace' => true" : '') . "));\n" .
                "        return \$result;\n" .
                "    }\n";
        }

        $class .= "}\n";

        return $class;
    }

    function generateAllProxies()
    {
        $proxycode = '';
        foreach (array_keys($this->services[$this->service]['ports']) as $key) {
            $port =& $this->services[$this->service]['ports'][$key];
            $proxycode .= $this->generateProxyCode($port);
        }
        return $proxycode;
    }

    function &getProxy($port = '', $name = '')
    {
        if ($this->_isfault()) {
            $fault =& $this->_getfault();
            return $fault;
        }

        $multiport = count($this->services[$this->service]['ports']) > 1;

        if (!$port) {
            reset($this->services[$this->service]['ports']);
            $port = current($this->services[$this->service]['ports']);
        }

        if ($multiport || $port) {
            $classname = 'WebService_' . $this->service . '_' . $port['name'];
        } else {
            $classname = 'WebService_' . $this->service;
        }

        if ($name) {
            $classname = $name . '_' . $classname;
        }

        $classname = $this->_sanitize($classname);
        if (!class_exists($classname)) {
            $proxy = $this->generateProxyCode($port, $classname);
            require_once 'SOAP/Client.php';
            eval($proxy);
        }
        $proxy =& new $classname;

        return $proxy;
    }

    /**
     * Sanitizes a SOAP value, method or class name so that it can be used as
     * a valid PHP identifier. Invalid characters are converted into
     * underscores and reserved words are prefixed with an underscore.
     *
     * @param string $name  The identifier to sanitize.
     *
     * @return string  The sanitized identifier.
     */
    function _sanitize($name)
    {
        $name = preg_replace($this->_invalid, '_', $name);
        if (in_array($name, $this->_reserved)) {
            $name = '_' . $name;
        }
        return $name;
    }

    function &_getComplexTypeForElement($name, $namespace)
    {
        $t = null;
        if (isset($this->ns[$namespace]) &&
            isset($this->elements[$this->ns[$namespace]][$name]['type'])) {

            $type = $this->elements[$this->ns[$namespace]][$name]['type'];
            $ns = $this->elements[$this->ns[$namespace]][$name]['namespace'];

            if (isset($this->complexTypes[$ns][$type])) {
                $t = $this->complexTypes[$ns][$type];
            }
        }
        return $t;
    }

    function getComplexTypeNameForElement($name, $namespace)
    {
        $t = $this->_getComplexTypeForElement($name, $namespace);
        if ($t) {
            return $t['name'];
        }
        return null;
    }

    function getComplexTypeChildType($ns, $name, $child_ns, $child_name)
    {
        // Is the type an element?
        $t = $this->_getComplexTypeForElement($name, $ns);
        if ($t) {
            // No, get it from complex types directly.
            if (isset($t['elements'][$child_name]['type']))
                return $t['elements'][$child_name]['type'];
        } elseif (isset($this->ns[$ns]) &&
                  isset($this->elements[$this->ns[$ns]][$name]['complex']) &&
                  $this->elements[$this->ns[$ns]][$name]['complex']) {
            // Type is not an element but complex.
            return $this->elements[$this->ns[$ns]][$name]['elements'][$child_name]['type'];
        }
        return null;
    }

    /**
     * @param QName $name  A parameter name.
     * @param QName $type  A parameter type.
     *
     * @return array  A list of [type, array element type, array element
     *                namespace, array length].
     */
    function getSchemaType($type, $name)
    {
        // see if it's a complex type so we can deal properly with
        // SOAPENC:arrayType.
        if ($name && $type) {
            // XXX TODO:
            // look up the name in the wsdl and validate the type.
            foreach ($this->complexTypes as $types) {
                if (isset($types[$type->name])) {
                    if (isset($types[$type->name]['type'])) {
                        list($arraytype_ns, $arraytype, $array_depth) = isset($types[$type->name]['arrayType'])
                            ? $this->_getDeepestArrayType($types[$type->name]['namespace'], $types[$type->name]['arrayType'])
                            : array($this->namespaces[$types[$type->name]['namespace']], null, 0);
                        return array($types[$type->name]['type'], $arraytype, $arraytype_ns, $array_depth);
                    }
                    if (isset($types[$type->name]['arrayType'])) {
                        list($arraytype_ns, $arraytype, $array_depth) =
                            $this->_getDeepestArrayType($types[$type->name]['namespace'], $types[$type->name]['arrayType']);
                        return array('Array', $arraytype, $arraytype_ns, $array_depth);
                    }
                    if (!empty($types[$type->name]['elements'][$name->name])) {
                        $type->name = $types[$type->name]['elements']['type'];
                        return array($type->name, null, $this->namespaces[$types[$type->name]['namespace']], null);
                    }
                    break;
                }
            }
        }
        if ($type && $type->namespace) {
            $arrayType = null;
            // XXX TODO:
            // this code currently handles only one way of encoding array
            // types in wsdl need to do a generalized function to figure out
            // complex types
            $p = $this->ns[$type->namespace];
            if ($p && !empty($this->complexTypes[$p][$type->name])) {
                if ($arrayType = $this->complexTypes[$p][$type->name]['arrayType']) {
                    $type->name = 'Array';
                } elseif ($this->complexTypes[$p][$type->name]['order'] == 'sequence' &&
                          array_key_exists('elements', $this->complexTypes[$p][$type->name])) {
                    reset($this->complexTypes[$p][$type->name]['elements']);
                    // assume an array
                    if (count($this->complexTypes[$p][$type->name]['elements']) == 1) {
                        $arg = current($this->complexTypes[$p][$type->name]['elements']);
                        $arrayType = $arg['type'];
                        $type->name = 'Array';
                    } else {
                        foreach ($this->complexTypes[$p][$type->name]['elements'] as $element) {
                            if ($element['name'] == $type->name) {
                                $arrayType = $element['type'];
                                $type->name = $element['type'];
                            }
                        }
                    }
                } else {
                    $type->name = 'Struct';
                }
                return array($type->name, $arrayType, $type->namespace, null);
            }
        }
        return array(null, null, null, null);
    }

    /**
     * Recurse through the WSDL structure looking for the innermost array type
     * of multi-dimensional arrays.
     *
     * Takes a namespace prefix and a type, which can be in the form 'type' or
     * 'type[]', and returns the full namespace URI, the type of the most
     * deeply nested array type found, and the number of levels of nesting.
     *
     * @access private
     * @return mixed array or nothing
     */
    function _getDeepestArrayType($nsPrefix, $arrayType)
    {
        static $trail = array();

        $arrayType = ereg_replace('\[\]$', '', $arrayType);

        // Protect against circular references XXX We really need to remove
        // trail from this altogether (it's very inefficient and in the wrong
        // place!) and put circular reference checking in when the WSDL info
        // is generated in the first place
        if (array_search($nsPrefix . ':' . $arrayType, $trail)) {
            return array(null, null, -count($trail));
        }

        if (array_key_exists($nsPrefix, $this->complexTypes) &&
            array_key_exists($arrayType, $this->complexTypes[$nsPrefix]) &&
            array_key_exists('arrayType', $this->complexTypes[$nsPrefix][$arrayType])) {
            $trail[] = $nsPrefix . ':' . $arrayType;
            $result = $this->_getDeepestArrayType($this->complexTypes[$nsPrefix][$arrayType]['namespace'],
                                                  $this->complexTypes[$nsPrefix][$arrayType]['arrayType']);
            return array($result[0], $result[1], $result[2] + 1);
        }
        return array($this->namespaces[$nsPrefix], $arrayType, 0);
    }

}

class SOAP_WSDL_Cache extends SOAP_Base
{
    /**
     * Use WSDL cache?
     *
     * @var boolean
     */
    var $_cacheUse;

    /**
     * WSDL cache directory.
     *
     * @var string
     */
    var $_cacheDir;

    /**
     * Cache maximum lifetime (in seconds)
     *
     * @var integer
     */
    var $_cacheMaxAge;

    /**
     * Constructor.
     *
     * @param boolean $cashUse      Use caching?
     * @param integer $cacheMaxAge  Cache maximum lifetime (in seconds)
     */
    function SOAP_WSDL_Cache($cacheUse = false,
                             $cacheMaxAge = WSDL_CACHE_MAX_AGE,
                             $cacheDir = null)
    {
        parent::SOAP_Base('WSDLCACHE');
        $this->_cacheUse = $cacheUse;
        $this->_cacheDir = $cacheDir;
        $this->_cacheMaxAge = $cacheMaxAge;
    }

    /**
     * Returns the path to the cache and creates it, if it doesn't exist.
     *
     * @private
     *
     * @return string  The directory to use for the cache.
     */
    function _cacheDir()
    {
        if (!empty($this->_cacheDir)) {
            $dir = $this->_cacheDir;
        } else {
            $dir = getenv('WSDLCACHE');
            if (empty($dir)) {
                $dir = './wsdlcache';
            }
        }
        @mkdir($dir, 0700);
        return $dir;
    }

    /**
     * Retrieves a file from cache if it exists, otherwise retreive from net,
     * add to cache, and return from cache.
     *
     * @param  string   URL to WSDL
     * @param  array    proxy parameters
     * @param  int      expected MD5 of WSDL URL
     * @access public
     * @return string  data
     */
    function get($wsdl_fname, $proxy_params = array(), $cache = 0)
    {
        $cachename = $md5_wsdl = $file_data = '';
        if ($this->_cacheUse) {
            // Try to retrieve WSDL from cache
            $cachename = $this->_cacheDir() . '/' . md5($wsdl_fname). ' .wsdl';
            if (file_exists($cachename) &&
                $file_data = file_get_contents($cachename)) {
                $md5_wsdl = md5($file_data);
                if ($cache) {
                    if ($cache != $md5_wsdl) {
                        return $this->_raiseSoapFault('WSDL Checksum error!', $wsdl_fname);
                    }
                } else {
                    $fi = stat($cachename);
                    $cache_mtime = $fi[8];
                    if ($cache_mtime + $this->_cacheMaxAge < time()) {
                        // Expired, refetch.
                        $md5_wsdl = '';
                    }
                }
            }
        }

        // Not cached or not using cache. Retrieve WSDL from URL
        if (!$md5_wsdl) {
            // Is it a local file?
            if (strpos($wsdl_fname, 'file://') === 0) {
                $wsdl_fname = substr($wsdl_fname, 7);
                if (!file_exists($wsdl_fname)) {
                    return $this->_raiseSoapFault('Unable to read local WSDL file', $wsdl_fname);
                }
                $file_data = file_get_contents($wsdl_fname);
            } elseif (!preg_match('|^https?://|', $wsdl_fname)) {
                return $this->_raiseSoapFault('Unknown schema of WSDL URL', $wsdl_fname);
            } else {
                $uri = explode('?', $wsdl_fname);
                $rq = new HTTP_Request($uri[0], $proxy_params);
                // the user agent HTTP_Request uses fouls things up
                if (isset($uri[1])) {
                    $rq->addRawQueryString($uri[1]);
                }

                if (isset($proxy_params['proxy_host']) &&
                    isset($proxy_params['proxy_port']) &&
                    isset($proxy_params['proxy_user']) &&
                    isset($proxy_params['proxy_pass'])) {
                    $rq->setProxy($proxy_params['proxy_host'],
                                  $proxy_params['proxy_port'],
                                  $proxy_params['proxy_user'],
                                  $proxy_params['proxy_pass']);
                } elseif (isset($proxy_params['proxy_host']) &&
                          isset($proxy_params['proxy_port'])) {
                    $rq->setProxy($proxy_params['proxy_host'],
                                  $proxy_params['proxy_port']);
                }

                $result = $rq->sendRequest();
                if (PEAR::isError($result)) {
                    return $this->_raiseSoapFault("Unable to retrieve WSDL $wsdl_fname," . $rq->getResponseCode(), $wsdl_fname);
                }
                $file_data = $rq->getResponseBody();
                if (!$file_data) {
                    return $this->_raiseSoapFault("Unable to retrieve WSDL $wsdl_fname, no http body", $wsdl_fname);
                }
            }

            $md5_wsdl = md5($file_data);

            if ($this->_cacheUse) {
                $fp = fopen($cachename, "wb");
                fwrite($fp, $file_data);
                fclose($fp);
            }
        }

        if ($this->_cacheUse && $cache && $cache != $md5_wsdl) {
            return $this->_raiseSoapFault('WSDL Checksum error!', $wsdl_fname);
        }

        return $file_data;
    }

}

class SOAP_WSDL_Parser extends SOAP_Base
{

    /**
     * Define internal arrays of bindings, ports, operations,
     * messages, etc.
     */
    var $currentMessage;
    var $currentOperation;
    var $currentPortType;
    var $currentBinding;
    var $currentPort;

    /**
     * Parser vars.
     */
    var $cache;

    var $tns = null;
    var $soapns = array('soap');
    var $uri = '';
    var $wsdl = null;

    var $status = '';
    var $element_stack = array();
    var $parentElement = '';

    var $schema = '';
    var $schemaStatus = '';
    var $schema_stack = array();
    var $currentComplexType;
    var $schema_element_stack = array();
    var $currentElement;

    /**
     * Constructor.
     */
    function SOAP_WSDL_Parser($uri, &$wsdl, $docs = false)
    {
        parent::SOAP_Base('WSDLPARSER');
        $this->cache =& new SOAP_WSDL_Cache($wsdl->cacheUse,
                                            $wsdl->cacheMaxAge,
                                            $wsdl->cacheDir);
        $this->uri = $uri;
        $this->wsdl = &$wsdl;
        $this->docs = $docs;
        $this->parse($uri);
    }

    function parse($uri)
    {
        // Check whether content has been read.
        $fd = $this->cache->get($uri, $this->wsdl->proxy);
        if (PEAR::isError($fd)) {
            return $this->_raiseSoapFault($fd);
        }

        // Create an XML parser.
        $parser = xml_parser_create();
        xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
        xml_set_object($parser, $this);
        xml_set_element_handler($parser, 'startElement', 'endElement');
        if ($this->docs) {
            xml_set_character_data_handler($parser, 'characterData');
        }

        if (!xml_parse($parser, $fd, true)) {
            $detail = sprintf('XML error on line %d: %s',
                              xml_get_current_line_number($parser),
                              xml_error_string(xml_get_error_code($parser)));
            return $this->_raiseSoapFault("Unable to parse WSDL file $uri\n$detail");
        }
        xml_parser_free($parser);
        return true;
    }

    /**
     * start-element handler
     */
    function startElement($parser, $name, $attrs)
    {
        // Get element prefix.
        $qname = new QName($name);
        if ($qname->ns) {
            $ns = $qname->ns;
            if ($ns && ((!$this->tns && strcasecmp($qname->name, 'definitions') == 0) || $ns == $this->tns)) {
                $name = $qname->name;
            }
        }
        $this->currentTag = $qname->name;
        $this->parentElement = '';
        $stack_size = count($this->element_stack);
        if ($stack_size) {
            $this->parentElement = $this->element_stack[$stack_size - 1];
        }
        $this->element_stack[] = $this->currentTag;

        // Find status, register data.
        switch ($this->status) {
        case 'types':
            // sect 2.2 wsdl:types
            // children: xsd:schema
            $parent_tag = '';
            $stack_size = count($this->schema_stack);
            if ($stack_size) {
                $parent_tag = $this->schema_stack[$stack_size - 1];
            }

            switch ($qname->name) {
            case 'schema':
                // No parent should be in the stack.
                if (!$parent_tag || $parent_tag == 'types') {
                    if (array_key_exists('targetNamespace', $attrs)) {
                        $this->schema = $this->wsdl->getNamespaceAttributeName($attrs['targetNamespace']);
                    } else {
                        $this->schema = $this->wsdl->getNamespaceAttributeName($this->wsdl->tns);
                    }
                    $this->wsdl->complexTypes[$this->schema] = array();
                    $this->wsdl->elements[$this->schema] = array();
                }
                break;

            case 'complexType':
                if ($parent_tag == 'schema') {
                    $this->currentComplexType = $attrs['name'];
                    if (!isset($attrs['namespace'])) {
                        $attrs['namespace'] = $this->schema;
                    }
                    $this->wsdl->complexTypes[$this->schema][$this->currentComplexType] = $attrs;
                    if (array_key_exists('base', $attrs)) {
                        $qn = new QName($attrs['base']);
                        $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['type'] = $qn->name;
                        $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['namespace'] = $qn->ns;
                    } else {
                        $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['type'] = 'Struct';
                    }
                    $this->schemaStatus = 'complexType';
                } else {
                    $this->wsdl->elements[$this->schema][$this->currentElement]['complex'] = true;
                }
                break;

            case 'element':
                if (isset($attrs['type'])) {
                    $qn = new QName($attrs['type']);
                    $attrs['type'] = $qn->name;
                    if ($qn->ns && array_key_exists($qn->ns, $this->wsdl->namespaces)) {
                        $attrs['namespace'] = $qn->ns;
                    }
                }

                $parentElement = '';
                $stack_size = count($this->schema_element_stack);
                if ($stack_size > 0) {
                    $parentElement = $this->schema_element_stack[$stack_size - 1];
                }

                if (isset($attrs['ref'])) {
                    $qn = new QName($attrs['ref']);
                    $this->currentElement = $qn->name;
                } else {
                    $this->currentElement = $attrs['name'];
                }
                $this->schema_element_stack[] = $this->currentElement;
                if (!isset($attrs['namespace'])) {
                    $attrs['namespace'] = $this->schema;
                }

                if ($parent_tag == 'schema') {
                    $this->wsdl->elements[$this->schema][$this->currentElement] = $attrs;
                    $this->wsdl->elements[$this->schema][$this->currentElement]['complex'] = false;
                    $this->schemaStatus = 'element';
                } elseif ($this->currentComplexType) {
                    // we're inside a complexType
                    if ((isset($this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['order']) &&
                         $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['order'] == 'sequence')
                        && $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['type'] == 'Array') {
                        $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['arrayType'] = isset($attrs['type']) ? $attrs['type'] : null;
                    }
                    $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['elements'][$this->currentElement] = $attrs;
                } else {
                    $this->wsdl->elements[$this->schema][$parentElement]['elements'][$this->currentElement] = $attrs;
                }
                break;

            case 'complexContent':
            case 'simpleContent':
                break;

            case 'extension':
            case 'restriction':
                if ($this->schemaStatus == 'complexType') {
                    if (!empty($attrs['base'])) {
                        $qn = new QName($attrs['base']);
                        $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['type'] = $qn->name;

                        // Types that extend from other types aren't
                        // *of* those types. Reflect this by denoting
                        // which type they extend. I'm leaving the
                        // 'type' setting here since I'm not sure what
                        // removing it might break at the moment.
                        if ($qname->name == 'extension') {
                            $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['extends'] = $qn->name;
                        }
                    } else {
                        $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['type'] = 'Struct';
                    }
                }
                break;

            case 'sequence':
                if ($this->schemaStatus == 'complexType') {
                    $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['order'] = $qname->name;
                    if (!isset($this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['type'])) {
                        $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['type'] = 'Array';
                    }
                }
                break;

            case 'all':
                $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['order'] = $qname->name;
                if (!isset($this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['type'])) {
                    $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['type'] = 'Struct';
                }
                break;

            case 'choice':
                $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['order'] = $qname->name;
                if (!isset($this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['type'])) {
                    $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['type'] = 'Array';
                }

            case 'attribute':
                if ($this->schemaStatus == 'complexType') {
                    if (isset($attrs['name'])) {
                        $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['attribute'][$attrs['name']] = $attrs;
                    } else {
                        if (isset($attrs['ref'])) {
                            $q = new QName($attrs['ref']);
                            foreach ($attrs as $k => $v) {
                                if ($k != 'ref' && strstr($k, $q->name)) {
                                    $vq = new QName($v);
                                    if ($q->name == 'arrayType') {
                                        $this->wsdl->complexTypes[$this->schema][$this->currentComplexType][$q->name] = $vq->name. $vq->arrayInfo;
                                        $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['type'] = 'Array';
                                        $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['namespace'] = $vq->ns;
                                    } else {
                                        $this->wsdl->complexTypes[$this->schema][$this->currentComplexType][$q->name] = $vq->name;
                                    }
                                }
                            }
                        }
                    }
                }
                break;
            }

            $this->schema_stack[] = $qname->name;
            break;

        case 'message':
            // sect 2.3 wsdl:message child wsdl:part
            switch ($qname->name) {
            case 'part':
                $qn = null;
                if (isset($attrs['type'])) {
                    $qn = new QName($attrs['type']);
                } elseif (isset($attrs['element'])) {
                    $qn = new QName($attrs['element']);
                }
                if ($qn) {
                    $attrs['type'] = $qn->name;
                    $attrs['namespace'] = $qn->ns;
                }
                $this->wsdl->messages[$this->currentMessage][$attrs['name']] = $attrs;
                // error in wsdl

            case 'documentation':
                break;

            default:
                break;
            }
            break;

        case 'portType':
            // sect 2.4
            switch ($qname->name) {
            case 'operation':
                // attributes: name
                // children: wsdl:input wsdl:output wsdl:fault
                $this->currentOperation = $attrs['name'];
                $this->wsdl->portTypes[$this->currentPortType][$this->currentOperation] = $attrs;
                break;

            case 'input':
            case 'output':
            case 'fault':
                // wsdl:input wsdl:output wsdl:fault
                // attributes: name message parameterOrder(optional)
                if ($this->currentOperation) {
                    if (isset($this->wsdl->portTypes[$this->currentPortType][$this->currentOperation][$name])) {
                        $this->wsdl->portTypes[$this->currentPortType][$this->currentOperation][$name] = array_merge($this->wsdl->portTypes[$this->currentPortType][$this->currentOperation][$name], $attrs);
                    } else {
                        $this->wsdl->portTypes[$this->currentPortType][$this->currentOperation][$name] = $attrs;
                    }
                    if (array_key_exists('message', $attrs)) {
                        $qn = new QName($attrs['message']);
                        $this->wsdl->portTypes[$this->currentPortType][$this->currentOperation][$name]['message'] = $qn->name;
                        $this->wsdl->portTypes[$this->currentPortType][$this->currentOperation][$name]['namespace'] = $qn->ns;
                    }
                }
                break;

            case 'documentation':
                break;

            default:
                break;
            }
            break;

        case 'binding':
            $ns = $qname->ns ? $this->wsdl->namespaces[$qname->ns] : SCHEMA_WSDL;
            switch ($ns) {
            case SCHEMA_SOAP:
            case SCHEMA_SOAP12:
                // this deals with wsdl section 3 soap binding
                switch ($qname->name) {
                case 'binding':
                    // sect 3.3
                    // soap:binding, attributes: transport(required), style(optional, default = document)
                    // if style is missing, it is assumed to be 'document'
                    if (!isset($attrs['style'])) {
                        $attrs['style'] = 'document';
                    }
                    $this->wsdl->bindings[$this->currentBinding] = array_merge($this->wsdl->bindings[$this->currentBinding], $attrs);
                    break;

                case 'operation':
                    // sect 3.4
                    // soap:operation, attributes: soapAction(required), style(optional, default = soap:binding:style)
                    if (!isset($attrs['style'])) {
                        $attrs['style'] = $this->wsdl->bindings[$this->currentBinding]['style'];
                    }
                    if (isset($this->wsdl->bindings[$this->currentBinding]['operations'][$this->currentOperation])) {
                        $this->wsdl->bindings[$this->currentBinding]['operations'][$this->currentOperation] = array_merge($this->wsdl->bindings[$this->currentBinding]['operations'][$this->currentOperation], $attrs);
                    } else {
                        $this->wsdl->bindings[$this->currentBinding]['operations'][$this->currentOperation] = $attrs;
                    }
                    break;

                case 'body':
                    // sect 3.5
                    // soap:body attributes:
                    // part - optional.  listed parts must appear in body, missing means all parts appear in body
                    // use - required. encoded|literal
                    // encodingStyle - optional.  space seperated list of encodings (uri's)
                    $this->wsdl->bindings[$this->currentBinding]
                                    ['operations'][$this->currentOperation][$this->opStatus] = $attrs;
                    break;

                case 'fault':
                    // sect 3.6
                    // soap:fault attributes: name use  encodingStyle namespace
                    $this->wsdl->bindings[$this->currentBinding]
                                    ['operations'][$this->currentOperation][$this->opStatus] = $attrs;
                    break;

                case 'header':
                    // sect 3.7
                    // soap:header attributes: message part use encodingStyle namespace
                    $this->wsdl->bindings[$this->currentBinding]
                                    ['operations'][$this->currentOperation][$this->opStatus]['headers'][] = $attrs;
                    break;

                case 'headerfault':
                    // sect 3.7
                    // soap:header attributes: message part use encodingStyle namespace
                    $header = count($this->wsdl->bindings[$this->currentBinding]
                                    ['operations'][$this->currentOperation][$this->opStatus]['headers'])-1;
                    $this->wsdl->bindings[$this->currentBinding]
                                    ['operations'][$this->currentOperation][$this->opStatus]['headers'][$header]['fault'] = $attrs;
                    break;

                case 'documentation':
                    break;

                default:
                    // error!  not a valid element inside binding
                    break;
                }
                break;

            case SCHEMA_WSDL:
                // XXX verify correct namespace
                // for now, default is the 'wsdl' namespace
                // other possible namespaces include smtp, http, etc. for alternate bindings
                switch ($qname->name) {
                case 'operation':
                    // sect 2.5
                    // wsdl:operation attributes: name
                    $this->currentOperation = $attrs['name'];
                    break;

                case 'output':
                case 'input':
                case 'fault':
                    // sect 2.5
                    // wsdl:input attributes: name
                    $this->opStatus = $qname->name;
                    break;

                case 'documentation':
                    break;

                default:
                    break;
                }
                break;

            case SCHEMA_WSDL_HTTP:
                switch ($qname->name) {
                case 'binding':
                    // sect 4.4
                    // http:binding attributes: verb
                    // parent: wsdl:binding
                    $this->wsdl->bindings[$this->currentBinding] = array_merge($this->wsdl->bindings[$this->currentBinding], $attrs);
                    break;

                case 'operation':
                    // sect 4.5
                    // http:operation attributes: location
                    // parent: wsdl:operation
                    $this->wsdl->bindings[$this->currentBinding]['operations']
                                                        [$this->currentOperation] = $attrs;
                    break;

                case 'urlEncoded':
                    // sect 4.6
                    // http:urlEncoded attributes: location
                    // parent: wsdl:input wsdl:output etc.
                    $this->wsdl->bindings[$this->currentBinding]['operations'][$this->opStatus]
                                                        [$this->currentOperation]['uri'] = 'urlEncoded';
                    break;

                case 'urlReplacement':
                    // sect 4.7
                    // http:urlReplacement attributes: location
                    // parent: wsdl:input wsdl:output etc.
                    $this->wsdl->bindings[$this->currentBinding]['operations'][$this->opStatus]
                                                        [$this->currentOperation]['uri'] = 'urlReplacement';
                    break;

                case 'documentation':
                    break;

                default:
                    // error
                    break;
                }

            case SCHEMA_MIME:
                // sect 5
                // all mime parts are children of wsdl:input, wsdl:output, etc.
                // unsuported as of yet
                switch ($qname->name) {
                case 'content':
                    // sect 5.3 mime:content
                    // <mime:content part="nmtoken"? type="string"?/>
                    // part attribute only required if content is child of multipart related,
                    //        it contains the name of the part
                    // type attribute contains the mime type
                case 'multipartRelated':
                    // sect 5.4 mime:multipartRelated
                case 'part':
                case 'mimeXml':
                    // sect 5.6 mime:mimeXml
                    // <mime:mimeXml part="nmtoken"?/>
                    //
                case 'documentation':
                    break;

                default:
                    // error
                    break;
                }

            case SCHEMA_DIME:
                // DIME is defined in:
                // http://gotdotnet.com/team/xml_wsspecs/dime/WSDL-Extension-for-DIME.htm
                // all DIME parts are children of wsdl:input, wsdl:output, etc.
                // unsuported as of yet
                switch ($qname->name) {
                case 'message':
                    // sect 4.1 dime:message
                    // appears in binding section
                    $this->wsdl->bindings[$this->currentBinding]['dime'] = $attrs;
                    break;

                default:
                    break;
                }

            default:
                break;
            }
            break;

        case 'service':
            $ns = $qname->ns ? $this->wsdl->namespaces[$qname->ns] : SCHEMA_WSDL;

            switch ($qname->name) {
            case 'port':
                // sect 2.6 wsdl:port attributes: name binding
                $this->currentPort = $attrs['name'];
                $this->wsdl->services[$this->currentService]['ports'][$this->currentPort] = $attrs;
                // XXX hack to deal with binding namespaces
                $qn = new QName($attrs['binding']);
                $this->wsdl->services[$this->currentService]['ports'][$this->currentPort]['binding'] = $qn->name;
                $this->wsdl->services[$this->currentService]['ports'][$this->currentPort]['namespace'] = $qn->ns;
                break;

            case 'address':
                $this->wsdl->services[$this->currentService]['ports'][$this->currentPort]['address'] = $attrs;
                // what TYPE of port is it?  SOAP or HTTP?
                $ns = $qname->ns ? $this->wsdl->namespaces[$qname->ns] : SCHEMA_WSDL;
                switch ($ns) {
                case SCHEMA_WSDL_HTTP:
                    $this->wsdl->services[$this->currentService]['ports'][$this->currentPort]['type']='http';
                    break;

                case SCHEMA_SOAP:
                    $this->wsdl->services[$this->currentService]['ports'][$this->currentPort]['type']='soap';
                    break;

                default:
                    // Shouldn't happen, we'll assume SOAP.
                    $this->wsdl->services[$this->currentService]['ports'][$this->currentPort]['type']='soap';
                }

                break;

            case 'documentation':
                break;

            default:
                break;
            }
        }

        // Top level elements found under wsdl:definitions.
        switch ($qname->name) {
        case 'import':
            // sect 2.1.1 wsdl:import attributes: namespace location
            if ((isset($attrs['location']) || isset($attrs['schemaLocation'])) &&
                !isset($this->wsdl->imports[$attrs['namespace']])) {
                $uri = isset($attrs['location']) ? $attrs['location'] : $attrs['schemaLocation'];
                $location = @parse_url($uri);
                if (!isset($location['scheme'])) {
                    $base = @parse_url($this->uri);
                    $uri = $this->mergeUrl($base, $uri);
                }

                $this->wsdl->imports[$attrs['namespace']] = $attrs;
                $import_parser_class = get_class($this);
                $import_parser =& new $import_parser_class($uri, $this->wsdl, $this->docs);
                if ($import_parser->fault) {
                    unset($this->wsdl->imports[$attrs['namespace']]);
                    return false;
                }
                $this->currentImport = $attrs['namespace'];
            }
            // Continue on to the 'types' case - lack of break; is
            // intentional.

        case 'types':
            // sect 2.2 wsdl:types
            $this->status = 'types';
            break;

        case 'schema':
            // We can hit this at the top level if we've been asked to
            // import an XSD file.
            if (!empty($attrs['targetNamespace'])) {
                $this->schema = $this->wsdl->getNamespaceAttributeName($attrs['targetNamespace']);
            } else {
                $this->schema = $this->wsdl->getNamespaceAttributeName($this->wsdl->tns);
            }
            $this->wsdl->complexTypes[$this->schema] = array();
            $this->wsdl->elements[$this->schema] = array();
            $this->schema_stack[] = $qname->name;
            $this->status = 'types';
            break;

        case 'message':
            // sect 2.3 wsdl:message attributes: name children:wsdl:part
            $this->status = 'message';
            if (isset($attrs['name'])) {
                $this->currentMessage = $attrs['name'];
                $this->wsdl->messages[$this->currentMessage] = array();
            }
            break;

        case 'portType':
            // sect 2.4 wsdl:portType
            // attributes: name
            // children: wsdl:operation
            $this->status = 'portType';
            $this->currentPortType = $attrs['name'];
            $this->wsdl->portTypes[$this->currentPortType] = array();
            break;

        case 'binding':
            // sect 2.5 wsdl:binding attributes: name type
            // children: wsdl:operation soap:binding http:binding
            if ($qname->ns && $qname->ns != $this->tns) {
                break;
            }
            $this->status = 'binding';
            $this->currentBinding = $attrs['name'];
            $qn = new QName($attrs['type']);
            $this->wsdl->bindings[$this->currentBinding]['type'] = $qn->name;
            $this->wsdl->bindings[$this->currentBinding]['namespace'] = $qn->ns;
            break;

        case 'service':
            // sect 2.7 wsdl:service attributes: name children: ports
            $this->currentService = $attrs['name'];
            $this->wsdl->services[$this->currentService]['ports'] = array();
            $this->status = 'service';
            break;

        case 'definitions':
            // sec 2.1 wsdl:definitions
            // attributes: name targetNamespace xmlns:*
            // children: wsdl:import wsdl:types wsdl:message wsdl:portType wsdl:binding wsdl:service
            $this->wsdl->definition = $attrs;
            foreach ($attrs as $key => $value) {
                if (strstr($key, 'xmlns:') !== false) {
                    $qn = new QName($key);
                    // XXX need to refactor ns handling.
                    $this->wsdl->namespaces[$qn->name] = $value;
                    $this->wsdl->ns[$value] = $qn->name;
                    if ($key == 'targetNamespace' ||
                        strcasecmp($value,SOAP_SCHEMA) == 0) {
                        $this->soapns[] = $qn->name;
                    } else {
                        if (in_array($value, $this->_XMLSchema)) {
                            $this->wsdl->xsd = $value;
                        }
                    }
                }
            }
            if (isset($ns) && $ns) {
                $namespace = 'xmlns:' . $ns;
                if (!$this->wsdl->definition[$namespace]) {
                    return $this->_raiseSoapFault("parse error, no namespace for $namespace", $this->uri);
                }
                $this->tns = $ns;
            }
            break;
        }
    }

    /**
     * end-element handler.
     */
    function endElement($parser, $name)
    {
        $stacksize = count($this->element_stack);
        if ($stacksize) {
            if ($this->element_stack[$stacksize - 1] == 'definitions') {
                $this->status = '';
            }
            array_pop($this->element_stack);
        }

        if (stristr($name, 'schema')) {
            array_pop($this->schema_stack);
            $this->schema = '';
        }

        if ($this->schema) {
            array_pop($this->schema_stack);
            if (count($this->schema_stack) <= 1) {
                /* Correct the type for sequences with multiple
                 * elements. */
                if (isset($this->currentComplexType) && isset($this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['type'])
                    && $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['type'] == 'Array'
                    && array_key_exists('elements', $this->wsdl->complexTypes[$this->schema][$this->currentComplexType])
                    && count($this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['elements']) > 1) {
                        $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['type'] = 'Struct';
                }
            }
            if (stristr($name, 'complexType')) {
                $this->currentComplexType = '';
                if (count($this->schema_element_stack)) {
                    $this->currentElement = array_pop($this->schema_element_stack);
                } else {
                    $this->currentElement = '';
                }
            } elseif (stristr($name, 'element')) {
                if (count($this->schema_element_stack)) {
                    $this->currentElement = array_pop($this->schema_element_stack);
                } else {
                    $this->currentElement = '';
                }
            }
        }
    }

    /**
     * Element content handler.
     */
    function characterData($parser, $data)
    {
        // Store the documentation in the WSDL file.
        if ($this->currentTag == 'documentation') {
            $data = trim(preg_replace('/\s+/', ' ', $data));
            if (!strlen($data)) {
                return;
            }

            switch ($this->status) {
            case 'service':
                $ptr =& $this->wsdl->services[$this->currentService];
                break;

            case 'portType':
                $ptr =& $this->wsdl->portTypes[$this->currentPortType][$this->currentOperation];
                break;

            case 'binding':
                $ptr =& $this->wsdl->bindings[$this->currentBinding];
                break;

            case 'message':
                $ptr =& $this->wsdl->messages[$this->currentMessage];
                break;

            case 'operation':
                break;

            case 'types':
                if (isset($this->currentComplexType) &&
                    isset($this->wsdl->complexTypes[$this->schema][$this->currentComplexType])) {
                    if ($this->currentElement) {
                        $ptr =& $this->wsdl->complexTypes[$this->schema][$this->currentComplexType]['elements'][$this->currentElement];
                    } else {
                        $ptr =& $this->wsdl->complexTypes[$this->schema][$this->currentComplexType];
                    }
                }
                break;
            }

            if (isset($ptr)) {
                if (!isset($ptr['documentation'])) {
                    $ptr['documentation'] = '';
                } else {
                    $ptr['documentation'] .= ' ';
                }
                $ptr['documentation'] .= $data;
            }
        }
    }

    /**
     * $parsed is an array returned by parse_url().
     *
     * @access private
     */
    function mergeUrl($parsed, $path)
    {
        if (!is_array($parsed)) {
            return false;
        }

        $uri = '';
        if (!empty($parsed['scheme'])) {
            $sep = (strtolower($parsed['scheme']) == 'mailto' ? ':' : '://');
            $uri = $parsed['scheme'] . $sep;
        }

        if (isset($parsed['pass'])) {
            $uri .= "$parsed[user]:$parsed[pass]@";
        } elseif (isset($parsed['user'])) {
            $uri .= "$parsed[user]@";
        }

        if (isset($parsed['host'])) {
            $uri .= $parsed['host'];
        }
        if (isset($parsed['port'])) {
            $uri .= ":$parsed[port]";
        }
        if ($path[0] != '/' && isset($parsed['path'])) {
            if ($parsed['path'][strlen($parsed['path']) - 1] != '/') {
                $path = dirname($parsed['path']) . '/' . $path;
            } else {
                $path = $parsed['path'] . $path;
            }
            $path = $this->_normalize($path);
        }
        $sep = $path[0] == '/' ? '' : '/';
        $uri .= $sep . $path;

        return $uri;
    }

    function _normalize($path_str)
    {
        $pwd = '';
        $strArr = preg_split('/(\/)/', $path_str, -1, PREG_SPLIT_NO_EMPTY);
        $pwdArr = '';
        $j = 0;
        for ($i = 0; $i < count($strArr); $i++) {
            if ($strArr[$i] != ' ..') {
                if ($strArr[$i] != ' .') {
                    $pwdArr[$j] = $strArr[$i];
                    $j++;
                }
            } else {
                array_pop($pwdArr);
                $j--;
            }
        }
        $pStr = implode('/', $pwdArr);
        $pwd = (strlen($pStr) > 0) ? ('/' . $pStr) : '/';
        return $pwd;
    }

}

/**
 * Parses the types and methods used in web service objects into the internal
 * data structures used by SOAP_WSDL.
 *
 * Assumes the SOAP_WSDL class is unpopulated to start with.
 *
 * @author Chris Coe <info@intelligentstreaming.com>
 */
class SOAP_WSDL_ObjectParser extends SOAP_Base
{
    /**
     * Target namespace for the WSDL document will have the following
     * prefix.
     */
    var $tnsPrefix = 'tns';

    /**
     * Reference to the SOAP_WSDL object to populate.
     */
    var $wsdl = null;

    /**
     * Constructor.
     *
     * @param object|array $objects    Reference to the object or array of
     *                                 objects to parse.
     * @param SOAP_WSDL $wsdl          Reference to the SOAP_WSDL object to
     *                                 populate.
     * @param string $targetNamespace  The target namespace of schema types
     *                                 etc.
     * @param string $service_name     Name of the WSDL <service>.
     * @param string $service_desc     Optional description of the WSDL
     *                                 <service>.
     */
    function SOAP_WSDL_ObjectParser($objects, &$wsdl, $targetNamespace,
                                    $service_name, $service_desc = '')
    {
        parent::SOAP_Base('WSDLOBJECTPARSER');

        $this->wsdl = &$wsdl;

        // Set up the SOAP_WSDL object
        $this->_initialise($service_name);

        // Parse each web service object
        $wsdl_ref = is_array($objects) ? $objects : array($objects);

        foreach ($wsdl_ref as $ref_item) {
            if (!is_object($ref_item)) {
                $this->_raiseSoapFault('Invalid web service object passed to object parser');
                continue;
            }

            if (!$this->_parse($ref_item, $targetNamespace, $service_name)) {
                break;
            }
        }

        // Build bindings from abstract data.
        if ($this->fault == null) {
            $this->_generateBindingsAndServices($targetNamespace, $service_name, $service_desc);
        }
    }

    /**
     * Initialise the SOAP_WSDL tree (destructive).
     *
     * If the object has already been initialised, the only effect
     * will be to change the tns namespace to the new service name.
     *
     * @param  $service_name Name of the WSDL <service>
     * @access private
     */
    function _initialise($service_name)
    {
        // Set up the basic namespaces that all WSDL definitions use.
        $this->wsdl->namespaces['wsdl'] = SCHEMA_WSDL;                                      // WSDL language
        $this->wsdl->namespaces['soap'] = SCHEMA_SOAP;                                      // WSDL SOAP bindings
        $this->wsdl->namespaces[$this->tnsPrefix] = 'urn:' . $service_name;                 // Target namespace
        $this->wsdl->namespaces['xsd'] = array_search('xsd', $this->_namespaces);           // XML Schema
        $this->wsdl->namespaces[SOAP_BASE::SOAPENCPrefix()] = array_search(SOAP_BASE::SOAPENCPrefix(), $this->_namespaces); // SOAP types

        // XXX Refactor $namespace/$ns for Shane :-)
        unset($this->wsdl->ns['urn:' . $service_name]);
        $this->wsdl->ns += array_flip($this->wsdl->namespaces);

        // Imports are not implemented in WSDL generation from classes.
        // *** <wsdl:import> ***
    }

    /**
     * Parser - takes a single object to add to tree (non-destructive).
     *
     * @access private
     *
     * @param object $object           Reference to the object to parse.
     * @param string $schemaNamespace
     * @param string $service_name     Name of the WSDL <service>.
     */
    function _parse($object, $schemaNamespace, $service_name)
    {
        // Create namespace prefix for the schema
        list($schPrefix,) = $this->_getTypeNs('{' . $schemaNamespace . '}');

        // Parse all the types defined by the object in whatever
        // schema language we are using (currently __typedef arrays)
        // *** <wsdl:types> ***
        foreach ($object->__typedef as $typeName => $typeValue) {
            // Get/create namespace definition
            list($nsPrefix, $typeName) = $this->_getTypeNs($typeName);

            // Create type definition
            $this->wsdl->complexTypes[$schPrefix][$typeName] = array('name' => $typeName);
            $thisType =& $this->wsdl->complexTypes[$schPrefix][$typeName];

            // According to Dmitri's documentation, __typedef comes in two
            // flavors:
            // Array = array(array("item" => "value"))
            // Struct = array("item1" => "value1", "item2" => "value2", ...)
            if (is_array($typeValue)) {
                if (is_array(current($typeValue)) && count($typeValue) == 1
                    && count(current($typeValue)) == 1) {
                    // It's an array
                    $thisType['type'] = 'Array';
                    $nsType = current(current($typeValue));
                    list($nsPrefix, $typeName) = $this->_getTypeNs($nsType);
                    $thisType['namespace'] = $nsPrefix;
                    $thisType['arrayType'] = $typeName . '[]';
                } elseif (!is_array(current($typeValue))) {
                    // It's a struct
                    $thisType['type'] = 'Struct';
                    $thisType['order'] = 'all';
                    $thisType['namespace'] = $nsPrefix;
                    $thisType['elements'] = array();

                    foreach ($typeValue as $elementName => $elementType) {
                        list($nsPrefix, $typeName) = $this->_getTypeNs($elementType);
                        $thisType['elements'][$elementName]['name'] = $elementName;
                        $thisType['elements'][$elementName]['type'] = $typeName;
                        $thisType['elements'][$elementName]['namespace'] = $nsPrefix;
                    }
                } else {
                    // It's erroneous
                    return $this->_raiseSoapFault("The type definition for $nsPrefix:$typeName is invalid.", 'urn:' . get_class($object));
                }
            } else {
                // It's erroneous
                return $this->_raiseSoapFault("The type definition for $nsPrefix:$typeName is invalid.", 'urn:' . get_class($object));
            }
        }

        // Create an empty element array with the target namespace
        // prefix, to match the results of WSDL parsing.
        $this->wsdl->elements[$schPrefix] = array();

        // Populate tree with message information
        // *** <wsdl:message> ***
        foreach ($object->__dispatch_map as $operationName => $messages) {
            // We need at least 'in' and 'out' parameters.
            if (!isset($messages['in']) || !isset($messages['out'])) {
                return $this->_raiseSoapFault('The dispatch map for the method "' . $operationName . '" is missing an "in" or "out" definition.', 'urn:' . get_class($object));
            }
            foreach ($messages as $messageType => $messageParts) {
                unset($thisMessage);

                switch ($messageType) {
                case 'in':
                    $this->wsdl->messages[$operationName . 'Request'] = array();
                    $thisMessage =& $this->wsdl->messages[$operationName . 'Request'];
                    break;

                case 'out':
                    $this->wsdl->messages[$operationName . 'Response'] = array();
                    $thisMessage =& $this->wsdl->messages[$operationName . 'Response'];
                    break;

                case 'alias':
                    // Do nothing
                    break;

                default:
                    // Error condition
                    break;
                }

                if (isset($thisMessage)) {
                    foreach ($messageParts as $partName => $partType) {
                        list ($nsPrefix, $typeName) = $this->_getTypeNs($partType);

                        $thisMessage[$partName] = array(
                            'name' => $partName,
                            'type' => $typeName,
                            'namespace' => $nsPrefix
                            );
                    }
                }
            }
        }

        // Populate tree with portType information
        // XXX Current implementation only supports one portType that
        // encompasses all of the operations available.
        // *** <wsdl:portType> ***
        if (!isset($this->wsdl->portTypes[$service_name . 'Port'])) {
            $this->wsdl->portTypes[$service_name . 'Port'] = array();
        }
        $thisPortType =& $this->wsdl->portTypes[$service_name . 'Port'];

        foreach ($object->__dispatch_map as $operationName => $messages) {
            $thisPortType[$operationName] = array('name' => $operationName);

            foreach ($messages as $messageType => $messageParts) {
                switch ($messageType) {
                case 'in':
                    $thisPortType[$operationName]['input'] = array(
                        'message' => $operationName . 'Request',
                        'namespace' => $this->tnsPrefix);
                    break;

                case 'out':
                    $thisPortType[$operationName]['output'] = array(
                        'message' => $operationName . 'Response',
                        'namespace' => $this->tnsPrefix);
                    break;
                }
            }
        }

        return true;
    }

    /**
     * Takes all the abstract WSDL data and builds concrete bindings and
     * services (destructive).
     *
     * @access private
     * @todo Current implementation discards $service_desc.
     *
     * @param string $schemaNamespace  Namespace for types etc.
     * @param string $service_name     Name of the WSDL <service>.
     * @param string $service_desc     Optional description of the WSDL
     *                                 <service>.
     */
    function _generateBindingsAndServices($schemaNamespace, $service_name,
                                          $service_desc = '')
    {
        // Populate tree with bindings information
        // XXX Current implementation only supports one binding that
        // matches the single portType and all of its operations.
        // XXX Is this the correct use of $schemaNamespace here?
        // *** <wsdl:binding> ***
        $this->wsdl->bindings[$service_name . 'Binding'] = array(
                'type' => $service_name . 'Port',
                'namespace' => $this->tnsPrefix,
                'style' => 'rpc',
                'transport' => SCHEMA_SOAP_HTTP,
                'operations' => array());
        $thisBinding =& $this->wsdl->bindings[$service_name . 'Binding'];

        foreach ($this->wsdl->portTypes[$service_name . 'Port'] as $operationName => $operationData) {
            $thisBinding['operations'][$operationName] = array(
                'soapAction' => $schemaNamespace . '#' . $operationName,
                'style' => $thisBinding['style']);

            foreach (array('input', 'output') as $messageType)
                if (isset($operationData[$messageType])) {
                    $thisBinding['operations'][$operationName][$messageType] = array(
                            'use' => 'encoded',
                            'namespace' => $schemaNamespace,
                            'encodingStyle' => SOAP_SCHEMA_ENCODING);
                }
        }

        // Populate tree with service information
        // XXX Current implementation supports one service which groups
        // all of the ports together, one port per binding
        // *** <wsdl:service> ***

        $this->wsdl->services[$service_name . 'Service'] = array('ports' => array());
        $thisService =& $this->wsdl->services[$service_name . 'Service']['ports'];
        $https = (isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] == 'on')) ||
            getenv('SSL_PROTOCOL_VERSION');

        foreach ($this->wsdl->bindings as $bindingName => $bindingData) {
            $thisService[$bindingData['type']] = array(
                    'name' => $bindingData['type'],
                    'binding' => $bindingName,
                    'namespace' => $this->tnsPrefix,
                    'address' => array('location' =>
                        ($https ? 'https://' : 'http://') .
                        $_SERVER['SERVER_NAME'] . $_SERVER['PHP_SELF'] .
                        (isset($_SERVER['QUERY_STRING']) ? '?' . $_SERVER['QUERY_STRING'] : '')),
                    'type' => 'soap');
        }

        // Set service
        $this->wsdl->set_service($service_name . 'Service');
        $this->wsdl->uri = $this->wsdl->namespaces[$this->tnsPrefix];

        // Create WSDL definition
        // *** <wsdl:definitions> ***

        $this->wsdl->definition = array(
                'name' => $service_name,
                'targetNamespace' => $this->wsdl->namespaces[$this->tnsPrefix],
                'xmlns' => SCHEMA_WSDL);

        foreach ($this->wsdl->namespaces as $nsPrefix => $namespace) {
            $this->wsdl->definition['xmlns:' . $nsPrefix] = $namespace;
        }
    }

    /**
     * This function is adapted from Dmitri V's implementation of
     * DISCO/WSDL generation. It separates namespace from type name in
     * a __typedef key and creates a new namespace entry in the WSDL
     * structure if the namespace has not been used before. The
     * namespace prefix and type name are returned. If no namespace is
     * specified, xsd is assumed.
     *
     * We will not need this function anymore once __typedef is
     * eliminated.
     */
    function _getTypeNs($type)
    {
        preg_match_all('/\{(.*)\}/sm', $type, $m);
        if (!empty($m[1][0])) {
            if (!isset($this->wsdl->ns[$m[1][0]])) {
                $ns_pref = 'ns' . count($this->wsdl->namespaces);
                $this->wsdl->ns[$m[1][0]] = $ns_pref;
                $this->wsdl->namespaces[$ns_pref] = $m[1][0];
            }
            $typens = $this->wsdl->ns[$m[1][0]];
            $type = str_replace($m[0][0], '', $type);
        } else {
            $typens = 'xsd';
        }

        return array($typens, $type);
    }

}
Creat By MiNi SheLL
Email: devilkiller@gmail.com