diff --git a/classes/controller/class.modrewrite_contentexpert_controller.php b/classes/controller/class.modrewrite_contentexpert_controller.php
index a0ae01f..e49daa1 100644
--- a/classes/controller/class.modrewrite_contentexpert_controller.php
+++ b/classes/controller/class.modrewrite_contentexpert_controller.php
@@ -77,17 +77,9 @@ class ModRewrite_ContentExpertController extends ModRewrite_ControllerAbstract {
             return;
         }
 
-        if ($type == 'restrictive') {
-            $source = $this->_htaccessRestrictive;
-        } else {
-            $source = $this->_htaccessSimple;
-        }
+        $source = $type == 'restrictive' ? $this->_htaccessRestrictive : $this->_htaccessSimple;
 
-        if ($copy == 'contenido') {
-            $dest = $aInfo['contenido_full_path'] . '.htaccess';
-        } else {
-            $dest = $aInfo['client_full_path'] . '.htaccess';
-        }
+        $dest = $copy == 'contenido' ? $aInfo['contenido_full_path'] . '.htaccess' : $aInfo['client_full_path'] . '.htaccess';
 
         if (!$result = @copy($source, $dest)) {
             $this->_oView->content_before = $this->_notifyBox('info', 'Die .htaccess konnte nicht von ' . $source . ' nach ' . $dest . ' kopiert werden!');
@@ -108,16 +100,12 @@ class ModRewrite_ContentExpertController extends ModRewrite_ControllerAbstract {
             return;
         }
 
-        if ($type == 'restrictive') {
-            $source = $this->_htaccessRestrictive;
-        } else {
-            $source = $this->_htaccessSimple;
-        }
+        $source = $type == 'restrictive' ? $this->_htaccessRestrictive : $this->_htaccessSimple;
 
         $this->_oView->content = file_get_contents($source);
 
         header('Content-Type: text/plain');
-        header('Etag: ' . md5(mt_rand()));
+        header('Etag: ' . md5(random_int(0, mt_getrandmax())));
         header('Content-Disposition: attachment; filename="' . $type . '.htaccess"');
         $this->render('{CONTENT}');
     }
diff --git a/classes/controller/class.modrewrite_contenttest_controller.php b/classes/controller/class.modrewrite_contenttest_controller.php
index 1f095ee..0b0c5fd 100644
--- a/classes/controller/class.modrewrite_contenttest_controller.php
+++ b/classes/controller/class.modrewrite_contenttest_controller.php
@@ -60,33 +60,25 @@ class ModRewrite_ContentTestController extends ModRewrite_ControllerAbstract {
         $this->_oView->content = '';
 
         // Array for testcases
-        $aTests = array();
+        $aTests = [];
 
         // Instance of mr test
-        $oMRTest = new ModRewriteTest($this->_iMaxItems);
+        $modRewriteTest = new ModRewriteTest($this->_iMaxItems);
 
         $startTime = getmicrotime();
 
         // Fetch complete CONTENIDO page structure
-        $aStruct = $oMRTest->fetchFullStructure();
+        $aStruct = $modRewriteTest->fetchFullStructure();
         ModRewriteDebugger::add($aStruct, 'ModRewrite_ContentTestController::testAction() $aStruct');
 
         // Loop through the structure and compose testcases
-        foreach ($aStruct as $idcat => $aCat) {
+        foreach ($aStruct as $aCat) {
             // category
-            $aTests[] = array(
-                'url' => $oMRTest->composeURL($aCat, 'c'),
-                'level' => $aCat['level'],
-                'name' => $aCat['name']
-            );
+            $aTests[] = ['url' => $modRewriteTest->composeURL($aCat, 'c'), 'level' => $aCat['level'], 'name' => $aCat['name']];
 
-            foreach ($aCat['articles'] as $idart => $aArt) {
+            foreach ($aCat['articles'] as $aArt) {
                 // articles
-                $aTests[] = array(
-                    'url' => $oMRTest->composeURL($aArt, 'a'),
-                    'level' => $aCat['level'],
-                    'name' => $aCat['name'] . ' :: ' . $aArt['title']
-                );
+                $aTests[] = ['url' => $modRewriteTest->composeURL($aArt, 'a'), 'level' => $aCat['level'], 'name' => $aCat['name'] . ' :: ' . $aArt['title']];
             }
         }
 
@@ -96,7 +88,7 @@ class ModRewrite_ContentTestController extends ModRewrite_ControllerAbstract {
         $oMRUrlStack = ModRewriteUrlStack::getInstance();
 
         // first loop to add urls to mr url stack
-        foreach ($aTests as $p => $v) {
+        foreach ($aTests as $v) {
             $oMRUrlStack->add($v['url']);
         }
 
@@ -104,15 +96,15 @@ class ModRewrite_ContentTestController extends ModRewrite_ControllerAbstract {
         $failCounter = 0;
 
         // second loop to do the rest
-        foreach ($aTests as $p => $v) {
-            $url = mr_buildNewUrl($v['url']);
-            $arr = $oMRTest->resolveUrl($url);
+        foreach ($aTests as $aTest) {
+            $url = mr_buildNewUrl($aTest['url']);
+            $arr = $modRewriteTest->resolveUrl($url);
             $error = '';
-            $resUrl = $oMRTest->getResolvedUrl();
+            $resUrl = $modRewriteTest->getResolvedUrl();
             $color = 'green';
 
             if ($url !== $resUrl) {
-                if ($oMRTest->getRoutingFoundState()) {
+                if ($modRewriteTest->getRoutingFoundState()) {
                     $successCounter++;
                     $resUrl = 'route to -> ' . $resUrl;
                 } else {
@@ -144,18 +136,18 @@ class ModRewrite_ContentTestController extends ModRewrite_ControllerAbstract {
                 }
             }
 
-            $pref = str_repeat('    ', $v['level']);
+            $pref = str_repeat('    ', $aTest['level']);
 
             // render resolve information for current item
             $itemTpl = $this->_oView->lng_result_item_tpl;
             $itemTpl = str_replace('{pref}', $pref, $itemTpl);
-            $itemTpl = str_replace('{name}', $v['name'], $itemTpl);
-            $itemTpl = str_replace('{url_in}', $v['url'], $itemTpl);
+            $itemTpl = str_replace('{name}', $aTest['name'], $itemTpl);
+            $itemTpl = str_replace('{url_in}', $aTest['url'], $itemTpl);
             $itemTpl = str_replace('{url_out}', $url, $itemTpl);
             $itemTpl = str_replace('{color}', $color, $itemTpl);
             $itemTpl = str_replace('{url_res}', $resUrl, $itemTpl);
             $itemTpl = str_replace('{err}', $error, $itemTpl);
-            $itemTpl = str_replace('{data}', $oMRTest->getReadableResolvedData($arr), $itemTpl);
+            $itemTpl = str_replace('{data}', $modRewriteTest->getReadableResolvedData($arr), $itemTpl);
 
             $this->_oView->content .= "\n" . $itemTpl . "\n";
         }
diff --git a/classes/controller/class.modrewrite_controller_abstract.php b/classes/controller/class.modrewrite_controller_abstract.php
index cf1bb01..de104f9 100644
--- a/classes/controller/class.modrewrite_controller_abstract.php
+++ b/classes/controller/class.modrewrite_controller_abstract.php
@@ -72,13 +72,13 @@ abstract class ModRewrite_ControllerAbstract {
      * Template file or template string to render
      * @var  string
      */
-    protected $_template = null;
+    protected $_template;
 
     /**
      * Additional properties list
      * @var  array
      */
-    protected $_properties = array();
+    protected $_properties = [];
 
     /**
      * Debug flag
@@ -138,20 +138,18 @@ abstract class ModRewrite_ControllerAbstract {
     /**
      * Property setter.
      * @param  string  $key
-     * @param  mixed   $value
      */
-    public function setProperty($key, $value) {
+    public function setProperty($key, mixed $value) {
         $this->_properties[$key] = $value;
     }
 
     /**
      * Property getter.
      * @param   string  $key
-     * @param   mixed   $default
      * @return  mixed
      */
-    public function getProperty($key, $default = null) {
-        return (isset($this->_properties[$key])) ? $this->_properties[$key] : $default;
+    public function getProperty($key, mixed $default = null) {
+        return $this->_properties[$key] ?? $default;
     }
 
     /**
@@ -202,7 +200,7 @@ abstract class ModRewrite_ControllerAbstract {
      * @param   mixed   $default  The default value
      * @return  mixed
      */
-    protected function _getParam($key, $default = null) {
+    protected function _getParam($key, mixed $default = null) {
         if (isset($_GET[$key])) {
             return $_GET[$key];
         } elseif (isset($_POST[$key])) {