1 files changed, 5 insertions, 3 deletions
diff --git a/include/smarty/libs/plugins/shared.literal_compiler_param.php b/include/smarty/libs/plugins/shared.literal_compiler_param.php
index dbcd9374c..47d728a76 100644
--- a/include/smarty/libs/plugins/shared.literal_compiler_param.php
+++ b/include/smarty/libs/plugins/shared.literal_compiler_param.php
@@ -2,7 +2,7 @@
 /**
  * Smarty plugin
  *
- * @package Smarty
+ * @package    Smarty
  * @subpackage PluginsShared
  */
 
@@ -12,22 +12,24 @@
  * @param array   $params  parameter array as given to the compiler function
  * @param integer $index   array index of the parameter to convert
  * @param mixed   $default value to be returned if the parameter is not present
+ *
  * @return mixed evaluated value of parameter or $default
  * @throws SmartyException if parameter is not a literal (but an expression, variable, …)
  * @author Rodney Rehm
  */
-function smarty_literal_compiler_param($params, $index, $default=null)
+function smarty_literal_compiler_param($params, $index, $default = null)
 {
     // not set, go default
     if (!isset($params[$index])) {
         return $default;
     }
     // test if param is a literal
-    if (!preg_match('/^([\'"]?)[a-zA-Z0-9]+(\\1)$/', $params[$index])) {
+    if (!preg_match('/^([\'"]?)[a-zA-Z0-9-]+(\\1)$/', $params[$index])) {
         throw new SmartyException('$param[' . $index . '] is not a literal and is thus not evaluatable at compile time');
     }
 
     $t = null;
     eval("\$t = " . $params[$index] . ";");
+
     return $t;
 }