From c975de0557ad7b32311977dd647fa95f675852d4 Mon Sep 17 00:00:00 2001
From: Dave Mc Nicoll <dave.mcnicoll@cslsj.qc.ca>
Date: Tue, 11 Nov 2025 18:23:45 +0000
Subject: [PATCH] -  variable of block can't be overwritten

---
 src/ControlStructure/BlockToken.php | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/ControlStructure/BlockToken.php b/src/ControlStructure/BlockToken.php
index cfa04e6..cd718c1 100644
--- a/src/ControlStructure/BlockToken.php
+++ b/src/ControlStructure/BlockToken.php
@@ -229,10 +229,9 @@ class BlockToken implements ControlStructure {
                 $this->rendering = true;
 
                 if ($this->using['this'] ?? false) {
-                    $thisProxy = $this->using['this'];
-                    unset($this->using['this']);
+                    throw new \InvalidArgumentException("Block '{$this->viewPath}' cannot overwrite 'this' variable.");
                 }
-                
+
                 return $classTemplate->picea->inlineBlock($thisProxy ?? $this, $this->viewPath, ...$this->arguments);
             }