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Author: norareidy

source/includes/read/count.php

@@ -7,8 +7,7 @@
 $client = new MongoDB\Client($uri);
 
 // start-db-coll
-$db = $client->sample_training;
-$collection = $db->companies;
+$collection = $client->sample_training->companies;
 // end-db-coll
 
 // Counts all documents in the collection

source/read/count.txt

@@ -21,18 +21,22 @@ Overview
 ---------
 
 In this guide, you can learn how to use the {+php-library+} to retrieve an accurate
-and estimated count of the number of documents in a collection. The ``MongoDB\Collection::countDocuments()``
-method returns the exact number of documents that match a query filter or that exist in
-a collection, and the ``MongoDB\Collection::estimatedDocumentCount()`` method returns
-the estimated number of documents in a collection.
+and estimated count of the number of documents in a collection. The following methods
+count documents in a collection:
+
+- ``MongoDB\Collection::countDocuments()``: Returns the exact number of documents that
+   match a query filter or that exist in a collection
+
+- ``MongoDB\Collection::estimatedDocumentCount()``: Returns the estimated number of documents
+  in a collection
 
 Sample Data
 ~~~~~~~~~~~
 
 The examples in this guide use the ``companies`` collection in the ``sample_training``
 database from the :atlas:`Atlas sample datasets </sample-data>`. To access this collection
 from your PHP application, instantiate a ``MongoDB\Client`` that connects to an Atlas cluster
-and assign the following values to your ``db`` and ``collection`` variables:
+and assign the following value to your ``collection`` variable:
 
 .. literalinclude:: /includes/read/count.php
     :language: php
@@ -80,8 +84,8 @@ Count Specific Documents
 To return a count of documents that match specific search criteria, pass a query
 filter to the ``countDocuments()`` method.
 
-The following example counts the number of documents that have a ``founded_year``
-value of ``2010``:
+The following example counts the number of documents in which the value of the
+``founded_year`` field is ``2010``:
 
 .. io-code-block::
    :copyable:
@@ -101,8 +105,8 @@ Customize Count Behavior
 ~~~~~~~~~~~~~~~~~~~~~~~~
 
 You can modify the behavior of the ``countDocuments()`` method by
-passing an array that specifies option values as a parameter. The
-following table describes some options you can set in the array:
+passing an array that specifies option values. The following table
+describes some options you can set to customize the count operation:
 
 .. list-table::
    :widths: 30 70
@@ -164,9 +168,9 @@ Retrieve an Estimated Count
 ---------------------------
 
 You can retrieve an estimate of the number of documents in a collection by calling
-the ``estimatedDocumentCount()`` method. The method estimates the amount of
-documents based on collection metadata, which might be faster than performing an 
-accurate count.
+the ``MongoDB\Collection::estimatedDocumentCount()`` method. The method estimates
+the amount of documents based on collection metadata, which might be faster than
+performing an accurate count.
 
 The following example estimates the number of documents in a collection:
 
@@ -221,8 +225,8 @@ following table describes the options you can set in the array:
        | **Type**: ``MongoDB\Driver\Session``
 
 The following example uses the ``estimatedDocumentCount()`` method to return an
-estimate of the number of documents in the collection and instructs the operation
-to run for a maximum of ``1000`` milliseconds:
+estimate of the number of documents in the collection and sets a timeout of
+``1000`` milliseconds on the operation:
 
 .. io-code-block::
    :copyable: