diff --git a/vendors/smarty/Smarty_Compiler.class.php b/vendors/smarty/Smarty_Compiler.class.php
index 1178b84d0..7daab34c3 100644
--- a/vendors/smarty/Smarty_Compiler.class.php
+++ b/vendors/smarty/Smarty_Compiler.class.php
@@ -262,12 +262,13 @@ function _compile_file($resource_name, $source_content, &$compiled_content)
         reset($this->_folded_blocks);
 
         /* replace special blocks by "{php}" */
-        $source_content = preg_replace($search.'e', "'"
-                                       . $this->_quote_replace($this->left_delimiter) . 'php'
-                                       . "' . str_repeat(\"\n\", substr_count('\\0', \"\n\")) .'"
-                                       . $this->_quote_replace($this->right_delimiter)
-                                       . "'"
-                                       , $source_content);
+        $source_content = preg_replace_callback(
+             $search, 
+             function ($match) { 
+                 return $this->_quote_replace($this->left_delimiter) . "php" . str_repeat("\n", substr_count($match[0], "\n")) . $this->_quote_replace($this->right_delimiter);
+             }, 
+             $source_content
+        );
 
         /* Gather all template tags. */
         preg_match_all("~{$ldq}\s*(.*?)\s*{$rdq}~s", $source_content, $_match);