diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..f4da20891502a3992abf2981d8f6c46e33868ab6
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+tools/
+phpstan.neon
+.phpunit.result.cache
+phpunit.xml
\ No newline at end of file
diff --git a/.phive/phars.xml b/.phive/phars.xml
new file mode 100644
index 0000000000000000000000000000000000000000..a1315a09b4adad780a9c5e52f74835c708c5c7d5
--- /dev/null
+++ b/.phive/phars.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phive xmlns="https://phar.io/phive">
+  <phar name="phpstan" version="^1.10.67" installed="1.10.67" location="./tools/phpstan" copy="false"/>
+</phive>
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/phpstan.dist.neon b/phpstan.dist.neon
new file mode 100644
index 0000000000000000000000000000000000000000..a545a041a3c5b0c758d99bf8c1c49b2a83252eaa
--- /dev/null
+++ b/phpstan.dist.neon
@@ -0,0 +1,10 @@
+includes:
+    - phpstan-baseline.neon
+
+parameters:
+    level: 1
+    paths:
+        - src
+        - ajax
+    bootstrapFiles:
+        - tests/phpstan-bootstrap.php
\ No newline at end of file
diff --git a/tests/phpstan-bootstrap.php b/tests/phpstan-bootstrap.php
new file mode 100644
index 0000000000000000000000000000000000000000..b61ff4b8300a965e0f46025ba64745a22b118e74
--- /dev/null
+++ b/tests/phpstan-bootstrap.php
@@ -0,0 +1,13 @@
+<?php
+
+if (!defined('QUIQQER_SYSTEM')) {
+    define('QUIQQER_SYSTEM', true);
+}
+
+if (!defined('QUIQQER_AJAX')) {
+    define('QUIQQER_AJAX', true);
+}
+
+putenv("QUIQQER_OTHER_AUTOLOADERS=KEEP");
+
+require_once __DIR__ . '/../../../../bootstrap.php';