diff --git a/.github/workflows/lint-test.yml b/.github/workflows/lint-test.yml
index a5fbcd0..ec85cf4 100644
--- a/.github/workflows/lint-test.yml
+++ b/.github/workflows/lint-test.yml
@@ -29,6 +29,17 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
       - uses: pantheon-systems/validate-readme-spacing@v1
+  php8-compatibility:
+    name: PHP 8.x Compatibility
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: PHP Compatibility
+        uses: pantheon-systems/phpcompatibility-action@dev
+        with:
+          test-versions: 8.0-
+          paths: ${{ github.workspace }}/*.php ${{ github.workspace }}/inc/*.php
   test-phpunit-74:
     needs: lint
     runs-on: ubuntu-latest
@@ -54,21 +65,23 @@ jobs:
       - name: Install Composer dependencies
         run: |
           composer update && composer install
+      - name: Run PHP linting
+        run: composer phplint
       - name: Run PHPUnit
         run: bash ./bin/phpunit-test.sh
-  test-phpunit-82:
+  test-phpunit-83:
     needs: lint
     runs-on: ubuntu-latest
     services:
       mariadb:
         image: mariadb:10.6
-    name: PHP 8.2 Unit Tests
+    name: PHP 8.3 Unit Tests
     steps:
       - uses: actions/checkout@v3
-      - name: Setup PHP 8.2
+      - name: Setup PHP 8.3
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.2
+          php-version: 8.3
           extensions: mysqli, zip, imagick
       - name: Start MySQL Service
         run: sudo systemctl start mysql
@@ -80,5 +93,7 @@ jobs:
           restore-keys: test-phpunit-dependencies-${{ hashFiles('composer.json') }}
       - name: Install Composer dependencies
         run: composer install
+      - name: Run PHP linting
+        run: composer phplint
       - name: Run PHPUnit
         run: bash ./bin/phpunit-test.sh
diff --git a/bin/install-local-tests.sh b/bin/install-local-tests.sh
new file mode 100755
index 0000000..c1f8cc5
--- /dev/null
+++ b/bin/install-local-tests.sh
@@ -0,0 +1,61 @@
+#!/bin/bash
+set -e
+
+# Initialize variables with default values
+TMPDIR="/tmp"
+DB_NAME="wordpress_test"
+DB_USER="root"
+DB_PASS=""
+DB_HOST="127.0.0.1"
+WP_VERSION="latest"
+SKIP_DB=""
+
+# Display usage information
+usage() {
+  echo "Usage:"
+  echo "./install-local-tests.sh [--dbname=wordpress_test] [--dbuser=root] [--dbpass=''] [--dbhost=127.0.0.1] [--wpversion=latest] [--no-db]"
+}
+
+# Parse command-line arguments
+for i in "$@"
+do
+case $i in
+    --dbname=*)
+    DB_NAME="${i#*=}"
+    shift
+    ;;
+    --dbuser=*)
+    DB_USER="${i#*=}"
+    shift
+    ;;
+    --dbpass=*)
+    DB_PASS="${i#*=}"
+    shift
+    ;;
+    --dbhost=*)
+    DB_HOST="${i#*=}"
+    shift
+    ;;
+    --wpversion=*)
+    WP_VERSION="${i#*=}"
+    shift
+    ;;
+    --no-db)
+    SKIP_DB="true"
+    shift
+    ;;
+    *)
+    # unknown option
+    usage
+    exit 1
+    ;;
+esac
+done
+
+# Run install-wp-tests.sh
+echo "Installing local tests into ${TMPDIR}"
+bash "$(dirname "$0")/install-wp-tests.sh" "$DB_NAME" "$DB_USER" "$DB_PASS" "$DB_HOST" "$WP_VERSION" "$SKIP_DB"
+
+# Run PHPUnit
+echo "Running PHPUnit"
+composer phpunit
diff --git a/composer.json b/composer.json
index f87c9e1..26ce502 100644
--- a/composer.json
+++ b/composer.json
@@ -29,12 +29,16 @@
     "prefer-stable": true,
     "scripts": {
         "lint": [
-            "@phpcs"
+            "@phpcs",
+            "@phplint"
         ],
         "phpcs": "phpcs",
         "phpcbf": "phpcbf",
-        "phpunit": "phpunit",
-        "test": "@phpunit"
+        "phplint": "find . -type f -name '*.php' -not -path './vendor/*' -not -path './tests/*' -exec php -l {} \\;",
+        "phpunit": "phpunit --do-not-cache-result",
+        "test": "@phpunit",
+        "test:install": "bin/install-local-tests.sh --no-db",
+        "test:install:withdb": "bin/install-local-tests.sh"
     },
     "config": {
         "allow-plugins": {
diff --git a/composer.lock b/composer.lock
index b74a1a7..f694243 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "762aedeb842219cbe0204d08822e130a",
+    "content-hash": "495907a95f131d852721af5a9bdc4055",
     "packages": [],
     "packages-dev": [
         {