when i try to execute example code in the api folder. I get the following error.
C:\wamp\bin\php\php5.4.3>php C:\wamp\www\adwords\examples\AdWords\v201309\Optimization\EstimateKeywordTraffic.php
PHP Notice: Use of undefined constant WSDL_CACHE_NONE - assumed 'WSDL_CACHE_NONE' in C:\wamp\www\adwords\src\Google\Api\Ads\Common\Lib\AdsUser.php on line 229
PHP Stack trace:
PHP 1. {main}() C:\wamp\www\adwords\examples\AdWords\v201309\Optimization\EstimateKeywordTraffic.php:0
PHP 2. AdWordsUser->__construct() C:\wamp\www\adwords\examples\AdWords\v201309\Optimization\EstimateKeywordTraffic.php:133
PHP 3. AdsUser->LoadSettings() C:\wamp\www\adwords\src\Google\Api\Ads\AdWords\Lib\AdWordsUser.php:176
Notice: Use of undefined constant WSDL_CACHE_NONE - assumed 'WSDL_CACHE_NONE' in C:\wamp\www\adwords\src\Google\Api\Ads\Common\Lib\AdsUser.php on line 229
Call Stack:
0.0021 255600 1. {main}() C:\wamp\www\adwords\examples\AdWords\v201309\Optimization\EstimateKeywordTraffic.php:0
0.0182 936840 2. AdWordsUser->__construct() C:\wamp\www\adwords\examples\AdWords\v201309\Optimization\EstimateKeywordTraffic.php:133
0.0244 966344 3. AdsUser->LoadSettings() C:\wamp\www\adwords\src\Google\Api\Ads\AdWords\Lib\AdWordsUser.php:176
PHP Fatal error: This client library requires the SOAP extension to be activated. See
http://php.net/manual/en/soap.installation.php for details. in C:\wamp\www\adwords\src\Google\Api\Ads\Common\Lib\SoapClientFactory.php on line 87
PHP Stack trace:
PHP 1. {main}() C:\wamp\www\adwords\examples\AdWords\v201309\Optimization\EstimateKeywordTraffic.php:0
PHP 2. EstimateKeywordTrafficExample() C:\wamp\www\adwords\examples\AdWords\v201309\Optimization\EstimateKeywordTraffic.php:139
PHP 3. AdWordsUser->GetService() C:\wamp\www\adwords\examples\AdWords\v201309\Optimization\EstimateKeywordTraffic.php:41
PHP 4. AdsUser->GetServiceSoapClient() C:\wamp\www\adwords\src\Google\Api\Ads\AdWords\Lib\AdWordsUser.php:249
PHP 5. SoapClientFactory->GenerateSoapClient() C:\wamp\www\adwords\src\Google\Api\Ads\Common\Lib\AdsUser.php:133
PHP 6. trigger_error() C:\wamp\www\adwords\src\Google\Api\Ads\Common\Lib\SoapClientFactory.php:87
Call Stack:
0.0021 255600 1. {main}() C:\wamp\www\adwords\examples\AdWords\v201309\Optimization\EstimateKeywordTraffic.php:0
0.0380 945064 2. EstimateKeywordTrafficExample() C:\wamp\www\adwords\examples\AdWords\v201309\Optimization\EstimateKeywordTraffic.php:139
0.0380 946040 3. AdWordsUser->GetService() C:\wamp\www\adwords\examples\AdWords\v201309\Optimization\EstimateKeywordTraffic.php:41
0.0390 947256 4. AdsUser->GetServiceSoapClient() C:\wamp\www\adwords\src\Google\Api\Ads\AdWords\Lib\AdWordsUser.php:249
0.0390 947288 5. SoapClientFactory->GenerateSoapClient() C:\wamp\www\adwords\src\Google\Api\Ads\Common\Lib\AdsUser.php:133
0.0391 947648 6. trigger_error() C:\wamp\www\adwords\src\Google\Api\Ads\Common\Lib\SoapClientFactory.php:87
it is not because my soap service is not available because I tested it by this code