diff --git a/application/controllers/ImportsourcesController.php b/application/controllers/ImportsourcesController.php
index 42872927..f0021c50 100644
--- a/application/controllers/ImportsourcesController.php
+++ b/application/controllers/ImportsourcesController.php
@@ -30,7 +30,7 @@ class ImportsourcesController extends ActionController
         }
 
         $this->addTitle($this->translate('Import source'))
-            ->setAutoRefreshInterval(10)
+            ->setAutorefreshInterval(10)
             ->addAddLink(
                 $this->translate('Add a new Import Source'),
                 'director/importsource/add'
diff --git a/application/controllers/JobsController.php b/application/controllers/JobsController.php
index 11e86ed2..04c6d342 100644
--- a/application/controllers/JobsController.php
+++ b/application/controllers/JobsController.php
@@ -11,7 +11,7 @@ class JobsController extends ActionController
     public function indexAction()
     {
         $this->addTitle($this->translate('Jobs'))
-            ->setAutoRefreshInterval(10)
+            ->setAutorefreshInterval(10)
             ->addAddLink($this->translate('Add a new Job'), 'director/job/add')
             ->tabs(new ImportTabs())->activate('jobs');
 
diff --git a/application/controllers/SchemaController.php b/application/controllers/SchemaController.php
index b0ca24e4..961b7b1c 100644
--- a/application/controllers/SchemaController.php
+++ b/application/controllers/SchemaController.php
@@ -62,7 +62,7 @@ class SchemaController extends ActionController
         return file_get_contents(
             sprintf(
                 '%s/schema/%s.sql',
-                $this->Module()->getBasedir(),
+                $this->Module()->getBaseDir(),
                 $type
             )
         );
diff --git a/application/controllers/SyncruleController.php b/application/controllers/SyncruleController.php
index a19da036..e575ad8e 100644
--- a/application/controllers/SyncruleController.php
+++ b/application/controllers/SyncruleController.php
@@ -48,7 +48,7 @@ class SyncruleController extends ActionController
      */
     public function indexAction()
     {
-        $this->setAutoRefreshInterval(10);
+        $this->setAutorefreshInterval(10);
         $rule = $this->requireSyncRule();
         $this->tabs(new SyncRuleTabs($rule))->activate('show');
         $ruleName = $rule->get('rule_name');
@@ -642,7 +642,7 @@ class SyncruleController extends ActionController
      */
     public function historyAction()
     {
-        $this->setAutoRefreshInterval(30);
+        $this->setAutorefreshInterval(30);
         $rule = $this->requireSyncRule();
         $this->tabs(new SyncRuleTabs($rule))->activate('history');
         $this->addTitle($this->translate('Sync history') . ': ' . $rule->get('rule_name'));
diff --git a/application/controllers/SyncrulesController.php b/application/controllers/SyncrulesController.php
index 1829ebe3..1c84ecf4 100644
--- a/application/controllers/SyncrulesController.php
+++ b/application/controllers/SyncrulesController.php
@@ -23,7 +23,7 @@ class SyncrulesController extends ActionController
         }
 
         $this->addTitle($this->translate('Sync rule'))
-            ->setAutoRefreshInterval(10)
+            ->setAutorefreshInterval(10)
             ->addAddLink(
                 $this->translate('Add a new Sync Rule'),
                 'director/syncrule/add'
diff --git a/application/forms/IcingaTemplateChoiceForm.php b/application/forms/IcingaTemplateChoiceForm.php
index 31fe6102..27af5d22 100644
--- a/application/forms/IcingaTemplateChoiceForm.php
+++ b/application/forms/IcingaTemplateChoiceForm.php
@@ -19,7 +19,7 @@ class IcingaTemplateChoiceForm extends DirectorObjectForm
     {
         if ($name !== null) {
             /** @var IcingaTemplateChoice $class - cheating IDE */
-            $class = $this->getObjectClassName();
+            $class = $this->getObjectClassname();
             $this->setObject($class::load($name, $this->getDb()));
         }
 
@@ -133,7 +133,7 @@ class IcingaTemplateChoiceForm extends DirectorObjectForm
         /** @var IcingaTemplateChoice $object */
         $object = $this->object();
         $this->setSuccessUrl(
-            'director/templatechoice/' . $object->getObjectshortTableName(),
+            'director/templatechoice/' . $object->getObjectShortTableName(),
             $object->getUrlParams()
         );
     }
diff --git a/library/Director/Import/ImportSourceLdap.php b/library/Director/Import/ImportSourceLdap.php
index 45185655..559669dd 100644
--- a/library/Director/Import/ImportSourceLdap.php
+++ b/library/Director/Import/ImportSourceLdap.php
@@ -45,7 +45,7 @@ class ImportSourceLdap extends ImportSourceHook
 
     public static function addSettingsFormFields(QuickForm $form)
     {
-        Util::addLDAPResourceFormElement($form, 'resource');
+        Util::addLdapResourceFormElement($form, 'resource');
         $form->addElement('text', 'base', array(
             'label'       => $form->translate('LDAP Search Base'),
             'description' => $form->translate(
diff --git a/library/Director/Resolver/IcingaObjectResolver.php b/library/Director/Resolver/IcingaObjectResolver.php
index 579e9db0..c7514763 100644
--- a/library/Director/Resolver/IcingaObjectResolver.php
+++ b/library/Director/Resolver/IcingaObjectResolver.php
@@ -176,7 +176,7 @@ class IcingaObjectResolver
             $object->groups = $groups;
         }
 
-        $templates = $this->getTemplateNamesById($id);
+        $templates = $this->getTemplateNamesByID($id);
         if (! empty($templates)) {
             $object->templates = \array_reverse($templates);
         }
diff --git a/library/Director/Web/Form/DirectorForm.php b/library/Director/Web/Form/DirectorForm.php
index 145be5ba..36c05777 100644
--- a/library/Director/Web/Form/DirectorForm.php
+++ b/library/Director/Web/Form/DirectorForm.php
@@ -34,7 +34,7 @@ abstract class DirectorForm extends QuickForm
     public static function load()
     {
         return new static([
-            'icingaModule' => Icinga::App()->getModuleManager()->getModule('director')
+            'icingaModule' => Icinga::app()->getModuleManager()->getModule('director')
         ]);
     }
 
diff --git a/phpstan.neon b/phpstan.neon
index d4fb713f..b3f86b05 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -4,8 +4,8 @@ includes:
 parameters:
     level: 2
 
-    checkFunctionNameCase: false
-    checkInternalClassCaseSensitivity: false
+    checkFunctionNameCase: true
+    checkInternalClassCaseSensitivity: true
     treatPhpDocTypesAsCertain: false
 
     paths: