From b5a172a4b3d522e3021c8b118a599e4df0067574 Mon Sep 17 00:00:00 2001
From: Yisroel Baum <yisroel.d.baum@gmail.com>
Date: Sun, 9 Aug 2026 09:49:30 +0300
Subject: [PATCH] document explicit php callbacks

---
 ai/backend-context.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ai/backend-context.md b/ai/backend-context.md
index 83c2081..9850c44 100644
--- a/ai/backend-context.md
+++ b/ai/backend-context.md
@@ -87,6 +87,8 @@ intentionally unclaimed; the built-in health endpoint is `/up`.
 - Put imports at the top of the file. Do not use inline fully qualified class
   names when a normal `use` statement is clearer.
 - Do not use arrow functions. Use regular anonymous functions.
+- Do not use first-class callable syntax. Use regular anonymous functions for
+  callbacks so the invocation is explicit.
 - Do not add default values to function or constructor parameters. Pass every
   argument explicitly, including nullable arguments.
 - Use descriptive names for classes, methods, parameters, and local