I think I'm very close to the solution.
When creating:$keyword->setText(${"kw".$c});I'm getting this error: <soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/";>< soap:Header><ResponseHeader xmlns:ns2="https://adwords.google.com/api/adwords/cm/v201609"; xmlns="https://adwords.google.com/api/adwords/o/v201609";><ns2:requestId >000548c073e062180a56d48d7006270b</ns2:requestId><ns2:serviceName>Exper imentDiversionService</ns2:serviceName><ns2:methodName>get</ns2:methodN ame><ns2:operations>1</ns2:operations><ns2:responseTime>227</ns2:respon seTime></ResponseHeader></soap:Header><soap:Body><soap:Fault><faultcode >soap:Server</faultcode><faultstring>[RequiredError.REQUIRED @ selector.campaignEstimateRequests[0].adGroupEstimateRequests[0].keyword EstimateRequests.keyword[0].text]</faultstring><detail><ApiExceptionFau lt xmlns="https://adwords.google.com/api/adwords/o/v201609"; xmlns:ns2="https://adwords.google.com/api/adwords/cm/v201609";><ns2:mess age>[RequiredError.REQUIRED @ selector.campaignEstimateRequests[0].adGroupEstimateRequests[0].keyword EstimateRequests.keyword[0].text]</ns2:message><ns2:ApplicationExceptio n.Type>ApiException</ns2:ApplicationException.Type><ns2:errors xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; xsi:type="ns2:RequiredError"><ns2:fieldPath>selector.campaignEstimateRe quests[0].adGroupEstimateRequests[0].keywordEstimateRequests.keyword[0] .text</ns2:fieldPath><ns2:trigger></ns2:trigger><ns2:errorString>Requir edError.REQUIRED</ns2:errorString><ns2:ApiError.Type>RequiredError</ns2 :ApiError.Type><ns2:reason>REQUIRED</ns2:reason></ns2:errors></ApiExcep tionFault></detail></soap:Fault></soap:Body></soap:Envelope> PHP Fatal error: Uncaught Google\AdsApi\AdWords\v201609\cm\ApiException: [RequiredError.REQUIRED @ selector.campaignEstimateRequests[0].adGroupEstimateRequests[0].keyword EstimateRequests.keyword[0].text] in /home/xxx/workspace/adwords/vendor/googleads/googleads-php- lib/src/Google/AdsApi/Common/Util/Reflection.php:39 Stack trace: #0 /home/xxx/workspace/adwords/vendor/googleads/googleads-php- lib/src/Google/AdsApi/Common/Util/Reflection.php(39): ReflectionClass- >newInstanceArgs(Array) #1 /home/xxx/workspace/adwords/vendor/googleads/googleads-php- lib/src/Google/AdsApi/Common/AdsSoapClient.php(162): Google\AdsApi\Common\Util\Reflection- >createInstance('Google\\AdsApi\\A...', Array) #2 /home/xxx/workspace/adwords/vendor/googleads/googleads-php- lib/src/Google/AdsApi/Common/AdsSoapClient.php(126): Google\AdsApi\Common\AdsSoapClient- >parseApiExceptionFromSoapFault(Object(SoapFault)) #3 /home/xxx/workspace/adwords/vendor/googleads/googleads-php- lib/src/Google/AdsApi/AdWords/v201609/o/TrafficEstimatorServic in /home/xxx/workspace/adwords/vendor/googleads/googleads-php- lib/src/Google/AdsApi/Common/Util/Reflection.php on line 39 Fatal error: Uncaught Google\AdsApi\AdWords\v201609\cm\ApiException: [RequiredError.REQUIRED @ selector.campaignEstimateRequests[0].adGroupEstimateRequests[0].keyword EstimateRequests.keyword[0].text] in /home/xxx/workspace/adwords/vendor/googleads/googleads-php- lib/src/Google/AdsApi/Common/Util/Reflection.php:39 Stack trace: #0 /home/xxx/workspace/adwords/vendor/googleads/googleads-php- lib/src/Google/AdsApi/Common/Util/Reflection.php(39): ReflectionClass- >newInstanceArgs(Array) #1 /home/xxx/workspace/adwords/vendor/googleads/googleads-php- lib/src/Google/AdsApi/Common/AdsSoapClient.php(162): Google\AdsApi\Common\Util\Reflection- >createInstance('Google\\AdsApi\\A...', Array) #2 /home/xxx/workspace/adwords/vendor/googleads/googleads-php- lib/src/Google/AdsApi/Common/AdsSoapClient.php(126): Google\AdsApi\Common\AdsSoapClient- >parseApiExceptionFromSoapFault(Object(SoapFault)) #3 /home/xxx/workspace/adwords/vendor/googleads/googleads-php- lib/src/Google/AdsApi/AdWords/v201609/o/TrafficEstimatorServic in /home/xxx/workspace/adwords/vendor/googleads/googleads-php- lib/src/Google/AdsApi/Common/Util/Reflection.php on line 39 On Mon, 2017-02-13 at 07:33 -0800, 'Shwetha Vastrad (AdWords API Team)' via AdWords API Forum wrote: > Hi, > > This PHP example shows how to print the response > from TrafficEstimatorService. If you still get an empty response, > could you send over the SOAP request and response logs so I can take > a look? This guide shows how to enable logging in the PHP client > library. Please use Reply privately to author when responding. > > Regards, > Shwetha, AdWords API Team. > -- > -- > =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ > Also find us on our blog and Google+: > https://googleadsdeveloper.blogspot.com/ > https://plus.google.com/+GoogleAdsDevelopers/posts > =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ > > You received this message because you are subscribed to the Google > Groups "AdWords API Forum" group. > To post to this group, send email to adwords-api@googlegroups.com > To unsubscribe from this group, send email to > adwords-api+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/adwords-api?hl=en > --- > You received this message because you are subscribed to a topic in > the Google Groups "AdWords API Forum" group. > To unsubscribe from this topic, visit https://groups.google.com/d/top > ic/adwords-api/SAyH5fe0WVM/unsubscribe. > To unsubscribe from this group and all its topics, send an email to a > dwords-api+unsubscr...@googlegroups.com. > Visit this group at https://groups.google.com/group/adwords-api. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/adwords-api/4b8874c5-2690-4cf5-aae8- > 55d7abbfce6d%40googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- -- =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ Also find us on our blog and Google+: https://googleadsdeveloper.blogspot.com/ https://plus.google.com/+GoogleAdsDevelopers/posts =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ You received this message because you are subscribed to the Google Groups "AdWords API Forum" group. 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