From fe036d4db0f5d3ae9af7a83d6fe38195779a8d26 Mon Sep 17 00:00:00 2001
From: Bruce Weirdan <weirdan@gmail.com>
Date: Thu, 6 Jan 2022 10:38:58 +0200
Subject: [PATCH] Prevent crashes on `array_map(...)`

Fixes vimeo/psalm#7305
---
 .../Internal/PhpVisitor/Reflector/ExpressionScanner.php  | 4 ++++
 tests/ClosureTest.php                                    | 9 +++++++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/Psalm/Internal/PhpVisitor/Reflector/ExpressionScanner.php b/src/Psalm/Internal/PhpVisitor/Reflector/ExpressionScanner.php
index 6e88891a20a..2a6dbf71eb9 100644
--- a/src/Psalm/Internal/PhpVisitor/Reflector/ExpressionScanner.php
+++ b/src/Psalm/Internal/PhpVisitor/Reflector/ExpressionScanner.php
@@ -125,6 +125,10 @@ private static function registerClassMapFunctionCall(
             }
         }
 
+        if ($node->isFirstClassCallable()) {
+            return;
+        }
+
         if ($function_id === 'define') {
             $first_arg_value = isset($node->getArgs()[0]) ? $node->getArgs()[0]->value : null;
             $second_arg_value = isset($node->getArgs()[1]) ? $node->getArgs()[1]->value : null;
diff --git a/tests/ClosureTest.php b/tests/ClosureTest.php
index 64a17a53d28..f0ca9bb1fe5 100644
--- a/tests/ClosureTest.php
+++ b/tests/ClosureTest.php
@@ -729,6 +729,12 @@ public static function __callStatic(string $name, array $args): mixed {
                 [],
                 '8.1'
             ],
+            'FirstClassCallable:array_map' => [
+                '<?php call_user_func(array_map(...), intval(...), ["1"]);',
+                'assertions' => [],
+                [],
+                '8.1',
+            ],
         ];
     }
 
@@ -1171,9 +1177,8 @@ public static function __callStatic(string $name, array $args): mixed {
                 'error_message' => 'MixedAssignment',
                 [],
                 false,
-                '8.1'
+                '8.1',
             ],
-
         ];
     }
 }