From d6025fa59c879170b4087b52d256e6d7ce0880b3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Bundyra?= <contact@webimpress.com>
Date: Tue, 26 Nov 2019 20:06:14 +0000
Subject: [PATCH] Adds support for array closures in
 Generic.CodeAnalysis.UnusedFunctionParameter

Related to #2523
---
 .../Sniffs/CodeAnalysis/UnusedFunctionParameterSniff.php        | 1 +
 .../Tests/CodeAnalysis/UnusedFunctionParameterUnitTest.inc      | 2 ++
 .../Tests/CodeAnalysis/UnusedFunctionParameterUnitTest.php      | 1 +
 3 files changed, 4 insertions(+)

diff --git a/src/Standards/Generic/Sniffs/CodeAnalysis/UnusedFunctionParameterSniff.php b/src/Standards/Generic/Sniffs/CodeAnalysis/UnusedFunctionParameterSniff.php
index e839f9bcf6..427f509cae 100644
--- a/src/Standards/Generic/Sniffs/CodeAnalysis/UnusedFunctionParameterSniff.php
+++ b/src/Standards/Generic/Sniffs/CodeAnalysis/UnusedFunctionParameterSniff.php
@@ -34,6 +34,7 @@ public function register()
         return [
             T_FUNCTION,
             T_CLOSURE,
+            T_FN,
         ];
 
     }//end register()
diff --git a/src/Standards/Generic/Tests/CodeAnalysis/UnusedFunctionParameterUnitTest.inc b/src/Standards/Generic/Tests/CodeAnalysis/UnusedFunctionParameterUnitTest.inc
index 3073e6fcdb..9997e787c5 100644
--- a/src/Standards/Generic/Tests/CodeAnalysis/UnusedFunctionParameterUnitTest.inc
+++ b/src/Standards/Generic/Tests/CodeAnalysis/UnusedFunctionParameterUnitTest.inc
@@ -121,3 +121,5 @@ function something($a) {
 function myCallback($a, $b, $c, $d) {
     return $a * $c;
 }
+
+fn ($a, $b, $c) => $b;
diff --git a/src/Standards/Generic/Tests/CodeAnalysis/UnusedFunctionParameterUnitTest.php b/src/Standards/Generic/Tests/CodeAnalysis/UnusedFunctionParameterUnitTest.php
index 583e049864..063c72073e 100644
--- a/src/Standards/Generic/Tests/CodeAnalysis/UnusedFunctionParameterUnitTest.php
+++ b/src/Standards/Generic/Tests/CodeAnalysis/UnusedFunctionParameterUnitTest.php
@@ -49,6 +49,7 @@ public function getWarningList()
             106 => 1,
             117 => 1,
             121 => 2,
+            125 => 2,
         ];
 
     }//end getWarningList()