diff --git a/pear/HTTP/Upload.php b/pear/HTTP/Upload.php
index ca89df2..3324540 100644
--- a/pear/HTTP/Upload.php
+++ b/pear/HTTP/Upload.php
@@ -81,6 +81,18 @@ class HTTP_Upload extends HTTP_Upload_Error
         'append' => '',
     );
 
+    /**
+     * Missing declaration for PHP > 8.2
+     * @var array
+     */
+    protected array $post_files = [];
+
+    /**
+     * Missing declaration for PHP > 8.2
+     * @var string
+     */
+    protected $content_type;
+    
     /**
      * Whether or not to consider multiple extensions
      * e.g. file.txt.foo would have 'txt' and 'foo'
diff --git a/pear/HTTP/Upload/Error.php b/pear/HTTP/Upload/Error.php
index ff9f727..82906bd 100644
--- a/pear/HTTP/Upload/Error.php
+++ b/pear/HTTP/Upload/Error.php
@@ -41,6 +41,12 @@ class HTTP_Upload_Error extends PEAR
      */
     protected $error_codes;
 
+    /**
+     * Missing declaration for PHP > 8.2
+     * @var int
+     */
+    public $_maxsize;
+	
     /**
      * PHP5 Constructor
      *
diff --git a/pear/PEAR.php b/pear/PEAR.php
index f2d6a8a..3b3fbf6 100644
--- a/pear/PEAR.php
+++ b/pear/PEAR.php
@@ -81,6 +81,7 @@
  * @since      Class available since PHP 4.0.2
  * @link        http://pear.php.net/manual/en/core.pear.php#core.pear.pear
  */
+#[AllowDynamicProperties]
 class PEAR
 {
     /**
@@ -219,7 +220,7 @@ public function __call($method, $arguments)
             );
         }
         return call_user_func_array(
-            array(get_class(), '_' . $method),
+            array(get_class($this), '_' . $method),
             array_merge(array($this), $arguments)
         );
     }
@@ -232,7 +233,7 @@ public static function __callStatic($method, $arguments)
             );
         }
         return call_user_func_array(
-            array(get_class(), '_' . $method),
+            array(get_class($this), '_' . $method),
             array_merge(array(null), $arguments)
         );
     }
@@ -828,6 +829,7 @@ function _PEAR_call_destructors()
  * @see        PEAR::raiseError(), PEAR::throwError()
  * @since      Class available since PHP 4.0.2
  */
+#[AllowDynamicProperties]
 class PEAR_Error
 {
     var $error_message_prefix = '';