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POWhy I am getting Class "SoapClient' not found in..etc"
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<blockquote> Possible Duplicate: <a href="https://stackoverflow.com/questions/6760716/wamp-stack-php-fatal-error-class-soapclient-not-found">WAMP Stack PHP “Fatal error: Class ‘SoapClient’ not found”</a> </blockquote> I downloaded a library from this site <a href="https://github.com/Exeu/Amazon-ECS-PHP-Library/downloads" rel="nofollow noreferrer">library</a> and when I tried to use it's examples it says : "Fatal error: Class 'SoapClient' not found in C:\wamp\www\Amazon-ECS\Exeu-Amazon-ECS-PHP-Library-9030053\lib\AmazonECS.class.php on line 231" How should I able to fix this? <pre><code> <?php /** * Amazon ECS Class * http://www.amazon.com * ===================== * * This class fetchs productinformation via the Product Advertising API by Amazon (formerly ECS). * It supports three basic operations: ItemSearch, ItemLookup and BrowseNodeLookup. * These operations could be expanded with extra prarmeters to specialize the query. * * Requirement is the PHP extension SOAP. * * @package AmazonECS * @license http://www.gnu.org/licenses/gpl.txt GPL * @version 1.3.4-DEV * @author Exeu <exeu65@googlemail.com> * @contributor Julien Chaumond <chaumond@gmail.com> * @link http://github.com/Exeu/Amazon-ECS-PHP-Library/wiki Wiki * @link http://github.com/Exeu/Amazon-ECS-PHP-Library Source */ class AmazonECS { const RETURN_TYPE_ARRAY = 1; const RETURN_TYPE_OBJECT = 2; /** * Baseconfigurationstorage * * @var array */ private $requestConfig = array( 'requestDelay' => false ); /** * Responseconfigurationstorage * * @var array */ private $responseConfig = array( 'returnType' => self::RETURN_TYPE_OBJECT, 'responseGroup' => 'Small', 'optionalParameters' => array() ); /** * All possible locations * * @var array */ private $possibleLocations = array('de', 'com', 'co.uk', 'ca', 'fr', 'co.jp', 'it', 'cn', 'es'); /** * The WSDL File * * @var string */ protected $webserviceWsdl = 'http://webservices.amazon.com/AWSECommerceService/AWSECommerceService.wsdl'; /** * The SOAP Endpoint * * @var string */ protected $webserviceEndpoint = 'https://webservices.amazon.%%COUNTRY%%/onca/soap?Service=AWSECommerceService'; /** * @param string $accessKey * @param string $secretKey * @param string $country * @param string $associateTag */ public function __construct($accessKey, $secretKey, $country, $associateTag) { if (empty($accessKey) || empty($secretKey)) { throw new Exception('No Access Key or Secret Key has been set'); } $this->requestConfig['accessKey'] = $accessKey; $this->requestConfig['secretKey'] = $secretKey; $this->associateTag($associateTag); $this->country($country); } /** * execute search * * @param string $pattern * * @return array|object return type depends on setting * * @see returnType() */ public function search($pattern, $nodeId = null) { if (false === isset($this->requestConfig['category'])) { throw new Exception('No Category given: Please set it up before'); } $browseNode = array(); if (null !== $nodeId && true === $this->validateNodeId($nodeId)) { $browseNode = array('BrowseNode' => $nodeId); } $params = $this->buildRequestParams('ItemSearch', array_merge( array( 'Keywords' => $pattern, 'SearchIndex' => $this->requestConfig['category'] ), $browseNode )); return $this->returnData( $this->performSoapRequest("ItemSearch", $params) ); } /** * execute ItemLookup request * * @param string $asin * * @return array|object return type depends on setting * * @see returnType() */ public function lookup($asin) { $params = $this->buildRequestParams('ItemLookup', array( 'ItemId' => $asin, )); return $this->returnData( $this->performSoapRequest("ItemLookup", $params) ); } /** * Implementation of BrowseNodeLookup * This allows to fetch information about nodes (children anchestors, etc.) * * @param integer $nodeId */ public function browseNodeLookup($nodeId) { $this->validateNodeId($nodeId); $params = $this->buildRequestParams('BrowseNodeLookup', array( 'BrowseNodeId' => $nodeId )); return $this->returnData( $this->performSoapRequest("BrowseNodeLookup", $params) ); } /** * Implementation of SimilarityLookup * This allows to fetch information about product related to the parameter product * * @param string $asin */ public function similarityLookup($asin) { $params = $this->buildRequestParams('SimilarityLookup', array( 'ItemId' => $asin )); return $this->returnData( $this->performSoapRequest("SimilarityLookup", $params) ); } /** * Builds the request parameters * * @param string $function * @param array $params * * @return array */ protected function buildRequestParams($function, array $params) { $associateTag = array(); if(false === empty($this->requestConfig['associateTag'])) { $associateTag = array('AssociateTag' => $this->requestConfig['associateTag']); } return array_merge( $associateTag, array( 'AWSAccessKeyId' => $this->requestConfig['accessKey'], 'Request' => array_merge( array('Operation' => $function), $params, $this->responseConfig['optionalParameters'], array('ResponseGroup' => $this->prepareResponseGroup()) ))); } /** * Prepares the responsegroups and returns them as array * * @return array|prepared responsegroups */ protected function prepareResponseGroup() { if (false === strstr($this->responseConfig['responseGroup'], ',')) return $this->responseConfig['responseGroup']; return explode(',', $this->responseConfig['responseGroup']); } /** * @param string $function Name of the function which should be called * @param array $params Requestparameters 'ParameterName' => 'ParameterValue' * * @return array The response as an array with stdClass objects */ protected function performSoapRequest($function, $params) { if (true === $this->requestConfig['requestDelay']) { sleep(1); } $soapClient = new SoapClient( $this->webserviceWsdl, array('exceptions' => 1) ); $soapClient->__setLocation(str_replace( '%%COUNTRY%%', $this->responseConfig['country'], $this->webserviceEndpoint )); $soapClient->__setSoapHeaders($this->buildSoapHeader($function)); return $soapClient->__soapCall($function, array($params)); } /** * Provides some necessary soap headers * * @param string $function * * @return array Each element is a concrete SoapHeader object */ protected function buildSoapHeader($function) { $timeStamp = $this->getTimestamp(); $signature = $this->buildSignature($function . $timeStamp); return array( new SoapHeader( 'http://security.amazonaws.com/doc/2007-01-01/', 'AWSAccessKeyId', $this->requestConfig['accessKey'] ), new SoapHeader( 'http://security.amazonaws.com/doc/2007-01-01/', 'Timestamp', $timeStamp ), new SoapHeader( 'http://security.amazonaws.com/doc/2007-01-01/', 'Signature', $signature ) ); } /** * provides current gm date * * primary needed for the signature * * @return string */ final protected function getTimestamp() { return gmdate("Y-m-d\TH:i:s\Z"); } /** * provides the signature * * @return string */ final protected function buildSignature($request) { return base64_encode(hash_hmac("sha256", $request, $this->requestConfig['secretKey'], true)); } /** * Basic validation of the nodeId * * @param integer $nodeId * * @return boolean */ final protected function validateNodeId($nodeId) { if (false === is_numeric($nodeId) || $nodeId <= 0) { throw new InvalidArgumentException(sprintf('Node has to be a positive Integer.')); } return true; } /** * Returns the response either as Array or Array/Object * * @param object $object * * @return mixed */ protected function returnData($object) { switch ($this->responseConfig['returnType']) { case self::RETURN_TYPE_OBJECT: return $object; break; case self::RETURN_TYPE_ARRAY: return $this->objectToArray($object); break; default: throw new InvalidArgumentException(sprintf( "Unknwon return type %s", $this->responseConfig['returnType'] )); break; } } /** * Transforms the responseobject to an array * * @param object $object * * @return array An arrayrepresentation of the given object */ protected function objectToArray($object) { $out = array(); foreach ($object as $key => $value) { switch (true) { case is_object($value): $out[$key] = $this->objectToArray($value); break; case is_array($value): $out[$key] = $this->objectToArray($value); break; default: $out[$key] = $value; break; } } return $out; } /** * set or get optional parameters * * if the argument params is null it will reutrn the current parameters, * otherwise it will set the params and return itself. * * @param array $params the optional parameters * * @return array|AmazonECS depends on params argument */ public function optionalParameters($params = null) { if (null === $params) { return $this->responseConfig['optionalParameters']; } if (false === is_array($params)) { throw new InvalidArgumentException(sprintf( "%s is no valid parameter: Use an array with Key => Value Pairs", $params )); } $this->responseConfig['optionalParameters'] = $params; return $this; } /** * Set or get the country * * if the country argument is null it will return the current * country, otherwise it will set the country and return itself. * * @param string|null $country * * @return string|AmazonECS depends on country argument */ public function country($country = null) { if (null === $country) { return $this->responseConfig['country']; } if (false === in_array(strtolower($country), $this->possibleLocations)) { throw new InvalidArgumentException(sprintf( "Invalid Country-Code: %s! Possible Country-Codes: %s", $country, implode(', ', $this->possibleLocations) )); } $this->responseConfig['country'] = strtolower($country); return $this; } /** * Setting/Getting the amazon category * * @param string $category * * @return string|AmazonECS depends on category argument */ public function category($category = null) { if (null === $category) { return isset($this->requestConfig['category']) ? $this->requestConfig['category'] : null; } $this->requestConfig['category'] = $category; return $this; } /** * Setting/Getting the responsegroup * * @param string $responseGroup Comma separated groups * * @return string|AmazonECS depends on responseGroup argument */ public function responseGroup($responseGroup = null) { if (null === $responseGroup) { return $this->responseConfig['responseGroup']; } $this->responseConfig['responseGroup'] = $responseGroup; return $this; } /** * Setting/Getting the returntype * It can be an object or an array * * @param integer $type Use the constants RETURN_TYPE_ARRAY or RETURN_TYPE_OBJECT * * @return integer|AmazonECS depends on type argument */ public function returnType($type = null) { if (null === $type) { return $this->responseConfig['returnType']; } $this->responseConfig['returnType'] = $type; return $this; } /** * Setter/Getter of the AssociateTag. * This could be used for late bindings of this attribute * * @param string $associateTag * * @return string|AmazonECS depends on associateTag argument */ public function associateTag($associateTag = null) { if (null === $associateTag) { return $this->requestConfig['associateTag']; } $this->requestConfig['associateTag'] = $associateTag; return $this; } /** * @deprecated use returnType() instead */ public function setReturnType($type) { return $this->returnType($type); } /** * Setting the resultpage to a specified value. * Allows to browse resultsets which have more than one page. * * @param integer $page * * @return AmazonECS */ public function page($page) { if (false === is_numeric($page) || $page <= 0) { throw new InvalidArgumentException(sprintf( '%s is an invalid page value. It has to be numeric and positive', $page )); } $this->responseConfig['optionalParameters'] = array_merge( $this->responseConfig['optionalParameters'], array("ItemPage" => $page) ); return $this; } /** * Enables or disables the request delay. * If it is enabled (true) every request is delayed one second to get rid of the api request limit. * * Reasons for this you can read on this site: * https://affiliate-program.amazon.com/gp/advertising/api/detail/faq.html * * By default the requestdelay is disabled * * @param boolean $enable true = enabled, false = disabled * * @return boolean|AmazonECS depends on enable argument */ public function requestDelay($enable = null) { if (false === is_null($enable) && true === is_bool($enable)) { $this->requestConfig['requestDelay'] = $enable; return $this; } return $this->requestConfig['requestDelay']; } } </code></pre>
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