From 2387d5eef0f1692f4d506328b9e78107f2b63ad4 Mon Sep 17 00:00:00 2001
From: Arnout Boks <arnoutboks@gmail.com>
Date: Fri, 4 Nov 2022 09:05:29 +0100
Subject: [PATCH] Mark hash_update functions as impure

This prevents Psalm from marking calls to them as UnusedFunctionCall.
---
 src/Psalm/Internal/Codebase/Functions.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Psalm/Internal/Codebase/Functions.php b/src/Psalm/Internal/Codebase/Functions.php
index 9ce746a5218..60a9475c417 100644
--- a/src/Psalm/Internal/Codebase/Functions.php
+++ b/src/Psalm/Internal/Codebase/Functions.php
@@ -524,6 +524,9 @@ public function isCallMapFunctionPure(
 
             //gettext
             'bindtextdomain',
+            
+            // hash
+            'hash_update', 'hash_update_file', 'hash_update_stream',
         ];
 
         if (in_array(strtolower($function_id), $impure_functions, true)) {