optimize for php8

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])) {