DOCSP-50960: Install with pie

source/get-started.txt

@@ -58,32 +58,27 @@ Download and Install
 
  - :php:`PHP <install>` version 7.4 or later
  - `Composer <https://getcomposer.org/download/>`__ version 2.0 or later
+ - :github:`pie </php/pie/blob/main/docs/usage.md>`
 
  .. step:: Install the MongoDB PHP extension
 
  Run the following command to install the ``mongodb`` PHP extension:
 
  .. code-block:: bash
 
- sudo pecl install mongodb
+ pie install mongodb/mongodb-extension
 
- .. step:: Update your PHP configuration file
+  .. tip:: Specify the PHP Extension Version
 
- To enable the ``mongodb`` extension in your PHP configuration file, add the
- following line to the top of your ``php.ini`` file:
-
- .. code-block:: none
-
- extension=mongodb.so
-
- .. tip::
-
- You can locate your ``php.ini`` file by running the following command
- in your shell:
+ To install a specific version of the {+extension-short+}, include
+ the version number as shown in the following command:
 
  .. code-block:: bash
 
- php --ini
+ pie install mongodb/mongodb-extension:^{+full-version+}
+
+ To install a {+extension-short+} version before v1.21, you must
+ use the :php:`pecl command <mongodb.installation#mongodb.installation.pecl>`.
 
  .. step:: Create a project directory
 

source/references/upgrade.txt

@@ -58,7 +58,16 @@ directory:
 
 .. code-block:: bash
 
- pecl upgrade mongodb-<version-number>
+ pie install mongodb/mongodb-extension:^<version-number>
+
+.. tip:: Previous PHP Extension Versions
+
+ To upgrade to a {+extension-short+} version before v1.21,
+ use the following command:
+
+ .. code-block:: bash
+
+ pecl upgrade mongodb-<version-number>
 
 To upgrade the PHP library version, replace ``<version-number>`` with the 
 version number you want to upgrade to and run the following command in your