diff --git a/.github/actions/init_containers-start.sh b/.github/actions/init_containers-start.sh
deleted file mode 100755
index 41d9b0f..0000000
--- a/.github/actions/init_containers-start.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/bash
-set -e -u -x -o pipefail
-
-docker-compose pull --quiet
-docker-compose up --no-start
-docker-compose start
\ No newline at end of file
diff --git a/.github/actions/install.sh b/.github/actions/install.sh
deleted file mode 100755
index f297ed2..0000000
--- a/.github/actions/install.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/sh
-
-# install glpi database
-docker exec --user www-data glpi /bin/bash -c "cd /var/www/glpi && php bin/console db:install -H db -u glpi -p glpi -d glpi -n -r"
-
-# install our plugin
-docker exec --user www-data glpi /bin/bash -c "cd /var/www/glpi && php bin/console plugin:install -u glpi centreon"
-docker exec --user www-data glpi /bin/bash -c "cd /var/www/glpi && php bin/console plugin:activate centreon"
\ No newline at end of file
diff --git a/.github/actions/lint.sh b/.github/actions/lint.sh
deleted file mode 100755
index cbe18b7..0000000
--- a/.github/actions/lint.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/bash
-set -e -u -x -o pipefail
-
-docker exec --user www-data glpi /bin/bash -c "(cd /var/www/glpi/plugins/centreon && ./vendor/bin/parallel-lint --colors --exclude ./vendor/ .)"
-docker exec --user www-data glpi /bin/bash -c "(cd /var/www/glpi/plugins/centreon && ./vendor/bin/phpcs)"
\ No newline at end of file
diff --git a/.github/actions/teardown_containers-cleanup.sh b/.github/actions/teardown_containers-cleanup.sh
deleted file mode 100755
index 1a62d5e..0000000
--- a/.github/actions/teardown_containers-cleanup.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/bash
-
-docker-compose down --volumes
\ No newline at end of file
diff --git a/.github/actions/tests.sh b/.github/actions/tests.sh
deleted file mode 100755
index cd39ae6..0000000
--- a/.github/actions/tests.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/sh
-docker exec --user www-data glpi /bin/bash -c "/var/www/glpi/plugins/centreon/vendor/bin/phpunit --debug --do-not-cache-result --bootstrap /var/www/glpi/plugins/centreon/tests/bootstrap.php /var/www/glpi/plugins/centreon/tests "
\ No newline at end of file
diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 3fc90f7..b597d4c 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -8,93 +8,25 @@ on:
     tags:
        - "*"
   pull_request:
+  schedule:
+    - cron: "0 0 * * *"
   workflow_dispatch:
 
 jobs:
-  lint:
-    name: "Lint"
-    runs-on: "ubuntu-latest"
+  ci:
+    name: "GLPI ${{ matrix.glpi-version }} - php:${{ matrix.php-version }} - ${{ matrix.db-image }}"
     strategy:
       fail-fast: false
       matrix:
         include:
-          - {php-version: "7.4"}
-    steps:
-      - name: "Checkout"
-        uses: "actions/checkout@v3"
-
-      - name: "Setup PHP"
-        uses: "shivammathur/setup-php@v2"
-        with:
-          php-version: "${{ matrix.php-version }}"
-          coverage: "none"
-          tools: "composer, cs2pr"
-      - name: "Get Composer cache directory"
-        id: "composer-cache"
-        run: |
-          echo "::set-output name=dir::$(composer config cache-files-dir)"
-
-      - name: "Restore dependencies cache"
-        uses: "actions/cache@v3"
-        with:
-          path: "${{ steps.composer-cache.outputs.dir }}"
-          key: "${{ github.job }}-${{ matrix.php-version }}-dependencies-${{ hashFiles('**/composer.lock') }}"
-
-      - name: "Install Composer dependencies"
-        run: |
-          composer install --ansi --no-interaction --no-progress --prefer-dist
-
-      - name: "PHP Parallel Lint"
-        run: |
-          vendor/bin/parallel-lint --colors --checkstyle --exclude ./vendor/ . | cs2pr
-
-      - name: "PHP_CodeSniffer"
-        run: |
-          vendor/bin/phpcs -q --report=checkstyle | cs2pr
-
-      - name: "Check for missing/outdated headers"
-        run: |
-          vendor/bin/licence-headers-check --ansi --no-interaction
-
-  unit-tests:
-    name: "unit-tests"
-    runs-on: "ubuntu-latest"
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - {php-version: "7.4"}
-    steps:
-      - name: "Clean workspace"
-        run: |
-          echo "APP_CONTAINER_HOME=${{ runner.temp }}/app_home" >> $GITHUB_ENV
-          rm -rf "${{ env.APPLICATION_ROOT }}/*"
-
-      - name: "Checkout"
-        uses: "actions/checkout@v3"
-
-      - name: "Initialize containers"
-        run: |
-          .github/actions/init_containers-start.sh
-
-      - name: Cache Composer dependencies
-        uses: actions/cache@v3
-        with:
-          path: /tmp/composer-cache
-          key: ${{ runner.os }}-${{ hashFiles('**/composer.lock') }}
-
-      - name: "Install dependencies"
-        uses: "ramsey/composer-install@v2"
-
-      - name: "Install GLPI & plugin"
-        run: |
-          .github/actions/install.sh
-
-      - name: "Run PHPUnit"
-        run: |
-          .github/actions/tests.sh
-
-      - name: "Cleanup containers"
-        if: always()
-        run: |
-          ${{ github.workspace }}/.github/actions/teardown_containers-cleanup.sh
+          - {glpi-version: "10.0.x", php-version: "7.4", db-image: "mysql:5.7"}
+          - {glpi-version: "10.0.x", php-version: "8.0", db-image: "mysql:8.0"}
+          - {glpi-version: "10.0.x", php-version: "8.1", db-image: "mariadb:10.2"}
+          - {glpi-version: "10.0.x", php-version: "8.2", db-image: "mariadb:11.0"}
+          - {glpi-version: "10.0.x", php-version: "8.3-rc", db-image: "mysql:8.0"}
+    uses: "glpi-project/plugin-ci-workflows/.github/workflows/continuous-integration.yml@v1"
+    with:
+      plugin-key: "centreon"
+      glpi-version: "${{ matrix.glpi-version }}"
+      php-version: "${{ matrix.php-version }}"
+      db-image: "${{ matrix.db-image }}"
diff --git a/ajax/setDowntime.php b/ajax/setDowntime.php
index 9d676c2..7b50dc6 100644
--- a/ajax/setDowntime.php
+++ b/ajax/setDowntime.php
@@ -34,7 +34,7 @@
 
 header("Content-Type: text/html; charset=UTF-8");
 
-if (isset($_POST)) {
+if (isset($_POST['params'])) {
     $params = $_POST['params'];
     $hostid = (int) $_POST['hostid'];
     $host = new Host();
diff --git a/composer.json b/composer.json
index be7c460..773cc3d 100644
--- a/composer.json
+++ b/composer.json
@@ -4,8 +4,9 @@
         "guzzlehttp/guzzle": "^7.0"
     },
     "require-dev": {
-        "glpi-project/tools": "^0.4",
+        "glpi-project/tools": "^0.7.1",
         "php-parallel-lint/php-parallel-lint": "^1.3",
+        "phpstan/phpstan": "^1.10",
         "phpunit/phpunit": "^9.6",
         "squizlabs/php_codesniffer": "^3.7"
     },
diff --git a/hook.php b/hook.php
index 079c2ef..64458c0 100644
--- a/hook.php
+++ b/hook.php
@@ -37,6 +37,7 @@
  */
 function plugin_centreon_install()
 {
+    /** @var DBmysql $DB */
     global $DB;
 
     $default_charset   = DBConnection::getDefaultCharset();
@@ -72,6 +73,7 @@ function plugin_centreon_install()
  */
 function plugin_centreon_uninstall()
 {
+    /** @var DBmysql $DB */
     global $DB;
 
     $tables = [GlpiPlugin\Centreon\Host::getTable(),];
diff --git a/phpstan.neon b/phpstan.neon
new file mode 100644
index 0000000..aa3b353
--- /dev/null
+++ b/phpstan.neon
@@ -0,0 +1,19 @@
+parameters:
+    parallel:
+        maximumNumberOfProcesses: 2
+    level: 2
+    bootstrapFiles:
+        - ../../inc/based_config.php
+    paths:
+        - src
+        - front
+        - ajax
+        - hook.php
+        - setup.php
+    scanDirectories:
+        - ../../inc
+        - ../../src
+    stubFiles:
+        - ../../stubs/glpi_constants.php
+rules:
+    - GlpiProject\Tools\PHPStan\Rules\GlobalVarTypeRule
diff --git a/phpunit.xml b/phpunit.xml
new file mode 100644
index 0000000..969cd4b
--- /dev/null
+++ b/phpunit.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<phpunit bootstrap="tests/bootstrap.php" colors="true" testdox="true">
+    <testsuites>
+        <testsuite name="Plugin test suite">
+            <directory>tests</directory>
+        </testsuite>
+    </testsuites>
+</phpunit>
diff --git a/setup.php b/setup.php
index 0581e3b..d276877 100644
--- a/setup.php
+++ b/setup.php
@@ -45,6 +45,7 @@
  */
 function plugin_init_centreon()
 {
+    /** @var array $PLUGIN_HOOKS */
     global $PLUGIN_HOOKS;
 
     $PLUGIN_HOOKS['csrf_compliant']['centreon'] = true;
diff --git a/src/ApiClient.php b/src/ApiClient.php
index 583c116..967a2da 100644
--- a/src/ApiClient.php
+++ b/src/ApiClient.php
@@ -77,6 +77,7 @@ public function connectionRequest(array $params = [])
 
     public function diagnostic()
     {
+        $result = [];
         try {
             $test = $this->connectionRequest(['throw' => true]);
 
diff --git a/src/Config.php b/src/Config.php
index eea90a6..8135abe 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -74,6 +74,7 @@ public static function displayTabContentForItem(
 
     public static function showForConfig(\Config $config, $withtemplate = 0)
     {
+        /** @var array $CFG_GLPI */
         global $CFG_GLPI;
 
         if (!self::canView()) {
diff --git a/src/Host.php b/src/Host.php
index 455856c..78c994a 100644
--- a/src/Host.php
+++ b/src/Host.php
@@ -86,6 +86,7 @@ public function hostList()
         if ($res["security"]["token"] != null) {
             $list = $api->getHostsList();
             if ($list != null) {
+                $items_centreon = [];
                 foreach ($list["result"] as $item_centreon) {
                     $items_centreon[]   =   [
                         'centreon_id'   =>  $item_centreon["id"],