diff --git a/change_log.txt b/change_log.txt
index 9b82a002..3642dfbe 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -1,5 +1,6 @@
 01/01/2009
 - bugfix for obtaining plugins which must be included (related to change of 12/30/2009)
+- bugfix for {php} tag (trow an exception if allow_php_tag = false)
 
 12/31/2009
 - optimization of generated code for doublequoted strings containing variables
diff --git a/libs/plugins/block.php.php b/libs/plugins/block.php.php
index 362ec9c7..d1de7400 100644
--- a/libs/plugins/block.php.php
+++ b/libs/plugins/block.php.php
@@ -18,22 +18,10 @@
 */
 function smarty_block_php($params, $content, $smarty, &$repeat, $template)
 { 
-    // get security settings
-    if ($template->security && isset($smarty->security_handler)) {
-        $sec_obj = $smarty->security_policy;
-    } else {
-        $sec_obj = $smarty;
+    if (!$smarty->allow_php_tag) {
+        throw new Exception("{php} is deprecated, set allow_php_tag = true to enable");
     } 
-    if (is_null($content)) {
-        if (!$smarty->allow_php_tag) {
-            trigger_error("{php} is deprecated, set allow_php_tag = true to enable", E_USER_WARNING);
-        } 
-        return;
-    } 
-
     eval($content);
-
     return '';
-} 
-
+}
 ?>