From 7887c37347a1dae4e973c02fa1e9b78a9cc20b10 Mon Sep 17 00:00:00 2001
From: artemsuv <artemsuv@gmail.com>
Date: Tue, 28 Aug 2018 14:12:23 +0300
Subject: [PATCH] Qoute special chars in custom delimiters and literals

Using  special chars in custom delimiters and literals cause " Warning preg_match(): Unknown modifier ']' "
---
 libs/sysplugins/smarty_internal_templatecompilerbase.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libs/sysplugins/smarty_internal_templatecompilerbase.php b/libs/sysplugins/smarty_internal_templatecompilerbase.php
index 0ebc05b3c..a930ed28b 100644
--- a/libs/sysplugins/smarty_internal_templatecompilerbase.php
+++ b/libs/sysplugins/smarty_internal_templatecompilerbase.php
@@ -1147,20 +1147,20 @@ public function initDelimiterPreg()
         $this->ldelLength = strlen($ldel);
         $this->ldelPreg = '';
         foreach (str_split($ldel, 1) as $chr) {
-            $this->ldelPreg .= '[' . ($chr === '\\' ? '\\' : '') . $chr . ']';
+            $this->ldelPreg .= '[' . preg_quote($chr,'/') . ']';
         }
         $rdel = $this->smarty->getRightDelimiter();
         $this->rdelLength = strlen($rdel);
         $this->rdelPreg = '';
         foreach (str_split($rdel, 1) as $chr) {
-            $this->rdelPreg .= '[' . ($chr === '\\' ? '\\' : '') . $chr . ']';
+            $this->rdelPreg .= '[' . preg_quote($chr,'/') . ']';
         }
         $literals = $this->smarty->getLiterals();
         if (!empty($literals)) {
             foreach ($literals as $key => $literal) {
                 $literalPreg = '';
                 foreach (str_split($literal, 1) as $chr) {
-                    $literalPreg .= '[' . ($chr === '\\' ? '\\' : '') . $chr . ']';
+                    $literalPreg .= '[' . preg_quote($chr,'/') . ']';
                 }
                 $literals[ $key ] = $literalPreg;
             }