JM tech review 1

Author: rustagir

source/includes/usage-examples/sample-app.php

@@ -2,10 +2,10 @@
 
 require __DIR__ . '/../vendor/autoload.php';
 
-use MongoDB\Client;
+$uri = getenv('MONGODB_URI') ?: throw new RuntimeException('Set the MONGODB_URI variable to your Atlas URI that connects to the sample dataset');
+$client = new MongoDB\Client($uri);
 
-$client = new Client('<connection string>');
-$collection = $client-><database>-><collection>;
+$collection = $client->selectCollection('<database>', '<collection>');
 
 // Start example code here
 

source/indexes.txt

@@ -38,9 +38,10 @@ different types of indexes by using the {+php-library+}.
 
 To use an example from this page, copy the code example into the
 :ref:`sample application <php-index-sample>` or your own application.
-Be sure to replace all placeholders in the code examples, such as
-``<connection string>``, with the relevant values for your MongoDB
-deployment.
+Make sure to set the ``MONGODB_URI`` environment variable to the
+connection string for your MongoDB deployment, and replace the
+``<database>`` and ``<collection>`` placeholders with values for your
+target namespace.
 
 .. _php-index-sample: