diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ includes its own setup instructions.
 - Java Sync
 - [.NET/C#](dotnet/hello-world/README.md)
 - [Node.js](node/hello-world/README.md)
-- PHP
+- [PHP](php/hello-world/README.md)
 - [Python](python/hello-world/README.md)
 - Ruby
 - Rust
diff --git a/php/hello-world/.gitignore b/php/hello-world/.gitignore
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@@ -0,0 +1,2 @@
+vendor/
+composer.lock
diff --git a/php/hello-world/README.md b/php/hello-world/README.md
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+# Get Started with the MongoDB PHP Library
+
+This sample application connects to a MongoDB deployment, seeds a small
+set of sample product documents, and retrieves one of them. Because the
+app inserts its own data, you don't need to load an external dataset.
+
+## Prerequisites
+
+Before you begin, complete the [Atlas Get Started guide](https://www.mongodb.com/docs/get-started/)
+to create a free Atlas deployment and save your database user
+credentials.
+
+You also need the following components installed in your development environment:
+
+- PHP version 8.2 or later
+- Composer version 2.0 or later
+- The MongoDB PHP extension (`ext-mongodb`)
+
+Follow the [Get Started with the PHP Library](https://www.mongodb.com/docs/php-library/current/get-started/)
+guide to install the PHP extension for your platform.
+
+## Installation
+
+Clone this repository:
+
+```bash
+git clone https://github.com/mongodb/mongodb-code-examples
+```
+
+Navigate into the `php/hello-world` project directory and install the
+MongoDB PHP library with Composer:
+
+```bash
+cd mongodb-code-examples/php/hello-world
+composer install
+```
+
+## Connect to MongoDB
+
+Set your connection string as an environment variable, replacing
+`<connection string uri>` with your connection string:
+
+```bash
+export MONGODB_URI="<connection string uri>"
+```
+
+## Run the Application
+
+```bash
+php src/HelloWorld.php
+```
+
+When you run the app, it inserts a few product documents into the
+`get_started.products` collection, then queries and prints one of them:
+
+```
+{"_id":{"$oid":"..."},"name":"Wireless Mouse","category":"Electronics","price":24.99,"tags":["wireless","usb","ergonomic"]}
+```
+
+You can run the app more than once. It clears the collection before
+each run, so the results stay consistent.
+
+If you encounter an error or see no output, verify that you set the
+`MONGODB_URI` environment variable correctly.
diff --git a/php/hello-world/composer.json b/php/hello-world/composer.json
new file mode 100644
index 0000000..9ed8095
--- /dev/null
+++ b/php/hello-world/composer.json
@@ -0,0 +1,10 @@
+{
+    "name": "mongodb/hello-world-php",
+    "description": "Get Started sample application for the MongoDB PHP library",
+    "type": "project",
+    "require": {
+        "php": ">=8.2",
+        "ext-mongodb": "^2.0",
+        "mongodb/mongodb": "^2.0"
+    }
+}
diff --git a/php/hello-world/src/HelloWorld.php b/php/hello-world/src/HelloWorld.php
new file mode 100644
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+++ b/php/hello-world/src/HelloWorld.php
@@ -0,0 +1,46 @@
+<?php
+
+require __DIR__ . '/../vendor/autoload.php';
+
+use MongoDB\Client;
+
+$uri = getenv('MONGODB_URI');
+if ($uri === false || $uri === '') {
+    fwrite(STDERR, "Set the MONGODB_URI environment variable to your connection string\n");
+    exit(1);
+}
+
+// A few sample product documents seeded by this app so you can run
+// it without loading an external dataset.
+$sampleProducts = [
+    [
+        'name' => 'Wireless Mouse',
+        'category' => 'Electronics',
+        'price' => 24.99,
+        'tags' => ['wireless', 'usb', 'ergonomic'],
+    ],
+    [
+        'name' => 'Standing Desk',
+        'category' => 'Furniture',
+        'price' => 349.99,
+        'tags' => ['adjustable', 'office'],
+    ],
+    [
+        'name' => 'Noise-Cancelling Headphones',
+        'category' => 'Electronics',
+        'price' => 199.99,
+        'tags' => ['bluetooth', 'wireless', 'over-ear'],
+    ],
+];
+
+$client = new Client($uri);
+$products = $client->get_started->products;
+
+// Seed the collection so the app has data to query. Clearing the
+// collection first keeps results consistent across repeated runs.
+$products->deleteMany([]);
+$products->insertMany($sampleProducts);
+
+$product = $products->findOne(['name' => 'Wireless Mouse']);
+
+echo json_encode($product), "\n";