diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
new file mode 100644
index 0000000..49e09e7
--- /dev/null
+++ b/.github/workflows/php.yml
@@ -0,0 +1,40 @@
+name: PHP
+on: [push]
+jobs:
+  lint-test:
+    name: ${{ matrix.php-versions }} Lint & Test
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        php-versions: ['8.1']
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      # Docs: https://github.com/shivammathur/setup-php
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-versions }}
+
+      - name: Get composer cache directory
+        id: composer-cache
+        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+
+      - uses: actions/cache@v3
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          # Use composer.json for key, if composer.lock is not committed.
+          # key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: ${{ runner.os }}-composer-
+
+      - name: Install Composer dependencies
+        run: composer install
+
+      - name: PHP Lint
+        run: vendor/bin/phpcs
+
+      - name: PHP test
+        run: vendor/bin/phpunit --testdox
diff --git a/phpunit.xml b/phpunit.xml
index 5226b6a..c9abd89 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -1,16 +1,9 @@
 <?xml version="1.0"?>
-<phpunit
-		bootstrap="tests/bootstrap.php"
-		backupGlobals="false"
-		colors="true"
-		convertErrorsToExceptions="true"
-		convertNoticesToExceptions="true"
-		convertWarningsToExceptions="true"
->
-	<testsuites>
-		<testsuite name="unit">
-			<directory suffix=".php">./tests/Unit/</directory>
-		</testsuite>
-
-	</testsuites>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" bootstrap="tests/bootstrap.php" backupGlobals="false" colors="true" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
+  <coverage/>
+  <testsuites>
+    <testsuite name="unit">
+      <directory suffix=".php">./tests/Unit/</directory>
+    </testsuite>
+  </testsuites>
 </phpunit>
diff --git a/plugin.php b/plugin.php
index 8f7beb4..2a9b41a 100644
--- a/plugin.php
+++ b/plugin.php
@@ -19,6 +19,7 @@
 declare( strict_types = 1 );
 
 namespace MR\FeatureFlags;
+
 use MR\FeatureFlags\Api\Flags;
 
 // If this file is called directly, abort.
@@ -52,8 +53,8 @@ function(): void {
 
 
 		$feature_flag_meta = get_option( FeatureFlags::$option_name );
-		$flags_list = [];
-		if(is_array($feature_flag_meta)) {
+		$flags_list        = [];
+		if ( is_array( $feature_flag_meta ) ) {
 			$flags_list = $feature_flag_meta;
 		}
 
@@ -108,7 +109,7 @@ function load_settings_scripts(): void {
 
 add_action(
 	'admin_enqueue_scripts',
-	function(string $page): void {
+	function( string $page ): void {
 		$plugin_url        = plugin_dir_url( MR_FEATURE_FLAGS_PLUGIN_PATH );
 		$script_asset_file = include_once plugin_dir_path( MR_FEATURE_FLAGS_PLUGIN_PATH ) . 'build/index.asset.php';
 
@@ -121,8 +122,8 @@ function(string $page): void {
 		);
 
 		$feature_flag_meta = get_option( Utils::$option_name );
-		$flags_list = [];
-		if(is_array($feature_flag_meta)) {
+		$flags_list        = [];
+		if ( is_array( $feature_flag_meta ) ) {
 			$flags_list = $feature_flag_meta;
 		}
 
@@ -146,9 +147,9 @@ function(string $page): void {
 
 
 
-add_filter( 'plugin_action_links_mr-feature-flags/plugin.php', function ( $links )
-	{
-
+add_filter(
+	'plugin_action_links_mr-feature-flags/plugin.php',
+	function ( $links ) { 
 		$url = esc_url(
 			add_query_arg(
 				'page',
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index a04dd1b..4dd974b 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * Bootstap file for PHPUnit test.
+ *
+ * @package mr-feature-flags
+ */
+
 if ( file_exists( __DIR__ . '/../vendor/autoload.php' ) ) {
 	include __DIR__ . '/../vendor/autoload.php';
 }