php code for intent quickstart verifyied

Author: diberry

articles/cognitive-services/LUIS/luis-get-started-php-get-intent.md

@@ -7,7 +7,7 @@ manager: cjgronlund
 ms.service: cognitive-services
 ms.component: language-understanding
 ms.topic: quickstart
-ms.date: 08/23/2018
+ms.date: 08/16/2018
 ms.author: diberry
 #Customer intent: As an API or REST developer new to the LUIS service, I want to query the LUIS endpoint of a published model using PHP so that I can see the JSON prediction response.
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