get_class -> is_a

pear/PEAR/Autoloader.php

@@ -162,7 +162,7 @@ class PEAR_Autoloader extends PEAR
         $classname = strtolower($classname);
         reset($this->_method_map);
         while (list($method, $obj) = each($this->_method_map)) {
-            if (get_class($obj) == $classname) {
+            if (is_a($obj, $classname)) {
                 unset($this->_method_map[$method]);
                 $ok = true;
             }

pear/PEAR/Command.php

@@ -160,7 +160,7 @@ class PEAR_Command
     function &setFrontendClass($uiclass)
     {
         if (is_object($GLOBALS['_PEAR_Command_uiobject']) &&
-            strtolower($uiclass) == get_class($GLOBALS['_PEAR_Command_uiobject'])) {
+              is_a($GLOBALS['_PEAR_Command_uiobject'], $uiclass)) {
             return $GLOBALS['_PEAR_Command_uiobject'];
         }
         if (!class_exists($uiclass)) {