DOCSP-1350: add back the PHP examples since 1.4 released

Author: kay-kim

source/includes/3.6-drivers.rst

@@ -4,3 +4,4 @@
 - Node 3.0
 - C# 2.5
 - Ruby 2.5
+- PHP 1.4

source/tutorial/change-streams-example.txt

@@ -68,6 +68,13 @@ Change Stream Examples
          <https://mongodb.github.io/node-mongodb-native/api-generated/mongoclient.html#connect>`__
          that contains an ``inventory`` collection.
 
+
+     - id: php
+       content: |
+          The examples below assume that you have `connected to a MongoDB replica  set and have accessed a database
+          <https://docs.mongodb.com/php-library/current/reference/method/MongoDBClient__construct/>`__
+          that contains an ``inventory`` collection.
+
      - id: ruby
        content: |
           The examples below assume that you have `connected to a MongoDB replica set and have accessed a database
@@ -144,6 +151,16 @@ as long as a connection to the MongoDB deployment remains open *and* the collect
             :start-after: Start Changestream Example 1
             :end-before: End Changestream Example 1
 
+     - id: php
+       content: |
+         .. class:: copyable-code
+
+         .. literalinclude:: /driver-examples/DocumentationExamplesTest.php
+            :language: php
+            :dedent: 8
+            :start-after: Start Changestream Example 1
+            :end-before: End Changestream Example 1
+
      - id: ruby
        content: |
          .. class:: copyable-code
@@ -212,6 +229,15 @@ Lookup Full Document for Update Operations
          document, pass ``{ fullDocument: 'updateLookup' }`` to the
          :method:`collection.watch()` method.
 
+     - id: php
+       content: |
+
+         By default, change streams only return the delta of fields
+         during the u pdate operation. To return the most current
+         majority-committed version of the updated document, pass
+         ``"fullDocument' => \MongoDB\Operation\ChangeStreamCommand::FULL_DOCUMENT_UPDATE_LOOKUP"`` 
+         to the :method:`watch()` method.
+
      - id: ruby
        content: |
          By default, change streams only return the delta of fields during the update operation.
@@ -297,12 +323,22 @@ update operation.
             :start-after: Start Changestream Example 2
             :end-before: End Changestream Eample 2
 
+     - id: php
+       content: |
+         .. class:: copyable-code
+
+         .. literalinclude:: /driver-examples/DocumentationExamplesTest.php
+            :language: php
+            :dedent: 8
+            :start-after: Start Changestream Example 2
+            :end-before: End Changestream Example 2
+
      - id: ruby
        content: |
          .. class:: copyable-code
 
          .. literalinclude:: /driver-examples/change_stream_examples_spec.rb
-            :language: php
+            :language: ruby
             :dedent: 4
             :start-after: Start Changestream Example 2
             :end-before: End Changestream Example 2
@@ -501,6 +537,29 @@ Resume a Change Stream
             :start-after: Start Changestream Example 3
             :end-before: End Changestream Example 3
 
+     - id: php
+       content: |
+
+         Each change stream response document has an ``_id`` field
+         which can be passed to the ``watch()`` method, indicating to
+         the method at what point in th e iteration of the change
+         stream it should resume.
+
+         In the example below, the ``resumeAfter`` option is passed to
+         the ``watch()`` method with a value of the ``_id`` of the last
+         document processed, in order to recreate the stream after it
+         has been destroyed. Passing the ``_id`` to the change stream
+         attempts to resume notifications starting at the operation
+         specified.
+
+         .. class:: copyable-code
+
+         .. literalinclude:: /driver-examples/DocumentationExamplesTest.php
+            :language: php
+            :dedent: 8
+            :start-after: Start Changestream Example 3
+            :end-before: End Changestream Example 3
+
      - id: ruby
        content: |
          Each change stream response document has an ``_id`` field which can be passed