From 6d28b0b28d941ac766092b13f65e56d63b782154 Mon Sep 17 00:00:00 2001
From: Joyce Babu <joyce@ennexa.com>
Date: Sun, 17 Nov 2019 23:18:01 +0530
Subject: [PATCH] Prevent array access on null value

Fix 'Trying to access array offset on value of type null' notice on PHP
7.4
---
 src/Mustache/Parser.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Mustache/Parser.php b/src/Mustache/Parser.php
index c36a84a..0ec4192 100644
--- a/src/Mustache/Parser.php
+++ b/src/Mustache/Parser.php
@@ -149,7 +149,7 @@ class Mustache_Parser
                 case Mustache_Tokenizer::T_BLOCK_VAR:
                     if ($this->pragmaBlocks) {
                         // BLOCKS pragma is enabled, let's do this!
-                        if ($parent[Mustache_Tokenizer::TYPE] === Mustache_Tokenizer::T_PARENT) {
+                        if (isset($parent) && $parent[Mustache_Tokenizer::TYPE] === Mustache_Tokenizer::T_PARENT) {
                             $token[Mustache_Tokenizer::TYPE] = Mustache_Tokenizer::T_BLOCK_ARG;
                         }
                         $this->clearStandaloneLines($nodes, $tokens);
@@ -275,7 +275,7 @@ class Mustache_Parser
      */
     private function checkIfTokenIsAllowedInParent($parent, array $token)
     {
-        if ($parent[Mustache_Tokenizer::TYPE] === Mustache_Tokenizer::T_PARENT) {
+        if (isset($parent) && $parent[Mustache_Tokenizer::TYPE] === Mustache_Tokenizer::T_PARENT) {
             throw new Mustache_Exception_SyntaxException('Illegal content in < parent tag', $token);
         }
     }