diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index d5140a97..36778543 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -6,7 +6,7 @@ on:
     branches: [main]
 
 jobs:
-  pre-commit:
+  phpstan:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
@@ -17,4 +17,4 @@ jobs:
           php-version: "8.3"
           tools: composer
       - run: composer install --dev
-      - run: ./vendor/bin/phpstan --memory-limit=-1 analyse ./resources/
+      - run: ./vendor/bin/phpstan analyse -c phpstan.neon
diff --git a/phpstan.neon b/phpstan.neon
new file mode 100644
index 00000000..24e5d6ae
--- /dev/null
+++ b/phpstan.neon
@@ -0,0 +1,5 @@
+parameters:
+  level: 0
+  paths:
+    - resources
+    - test
diff --git a/test/functional/AccountDeletionRequestTest.php b/test/functional/AccountDeletionRequestTest.php
index d8c4bb04..ad2fc8f3 100644
--- a/test/functional/AccountDeletionRequestTest.php
+++ b/test/functional/AccountDeletionRequestTest.php
@@ -14,7 +14,7 @@ private function assertNumberAccountDeletionRequests(int $x)
             $this->assertTrue($USER->hasRequestedAccountDeletion());
             $this->assertTrue($SQL->accDeletionRequestExists($USER->uid));
         } else {
-            throw new RuntimeError("x must not be negative");
+            throw new RuntimeException("x must not be negative");
         }
         $this->assertEquals($x, $this->getNumberAccountDeletionRequests());
     }
diff --git a/test/functional/PiBecomeRequestTest.php b/test/functional/PiBecomeRequestTest.php
index 6a549a5b..317a1bdd 100644
--- a/test/functional/PiBecomeRequestTest.php
+++ b/test/functional/PiBecomeRequestTest.php
@@ -13,7 +13,7 @@ private function assertNumberPiBecomeRequests(int $x)
         } elseif ($x > 0) {
             $this->assertTrue($SQL->requestExists($USER->uid));
         } else {
-            throw new RuntimeError("x must not be negative");
+            throw new RuntimeException("x must not be negative");
         }
         $this->assertEquals($x, $this->getNumberPiBecomeRequests());
     }
diff --git a/test/functional/PiMemberDenyTest.php b/test/functional/PiMemberDenyTest.php
index 373bab5b..bb5ca84e 100644
--- a/test/functional/PiMemberDenyTest.php
+++ b/test/functional/PiMemberDenyTest.php
@@ -17,7 +17,7 @@ public static function setUpBeforeClass(): void
 
     private function denyUser(string $uid)
     {
-        post(__DIR__ . "/../../webroot/panel/pi.php", [
+        http_post(__DIR__ . "/../../webroot/panel/pi.php", [
             "form_type" => "userReq",
             "action" => "approve",
             "uid" => $uid,