From a3f3b0e7d27a118aa1adbc65e0cadd343ce0194e Mon Sep 17 00:00:00 2001
From: addshore <addshore@users.noreply.github.com>
Date: Tue, 16 Feb 2021 16:03:52 +0000
Subject: [PATCH] [DeadCode] Fix RemoveUnreachableStatementRector issue with
 global function declarations (#5575)

---
 .../Rector/Stmt/RemoveUnreachableStatementRector.php  |  5 +++++
 .../Fixture/keep_function_after_return.php.inc        | 11 +++++++++++
 2 files changed, 16 insertions(+)
 create mode 100644 rules/dead-code/tests/Rector/Stmt/RemoveUnreachableStatementRector/Fixture/keep_function_after_return.php.inc

diff --git a/rules/dead-code/src/Rector/Stmt/RemoveUnreachableStatementRector.php b/rules/dead-code/src/Rector/Stmt/RemoveUnreachableStatementRector.php
index aed4ef60411..5b9d04ea5c5 100644
--- a/rules/dead-code/src/Rector/Stmt/RemoveUnreachableStatementRector.php
+++ b/rules/dead-code/src/Rector/Stmt/RemoveUnreachableStatementRector.php
@@ -12,6 +12,7 @@ use PhpParser\Node\Stmt;
 use PhpParser\Node\Stmt\ClassLike;
 use PhpParser\Node\Stmt\ClassMethod;
 use PhpParser\Node\Stmt\Else_;
+use PhpParser\Node\Stmt\Function_;
 use PhpParser\Node\Stmt\If_;
 use PhpParser\Node\Stmt\Namespace_;
 use PhpParser\Node\Stmt\Nop;
@@ -174,6 +175,10 @@ CODE_SAMPLE
             return true;
         }
 
+        if ($stmt instanceof Function_) {
+            return true;
+        }
+
         if ($stmt instanceof Namespace_) {
             return true;
         }
diff --git a/rules/dead-code/tests/Rector/Stmt/RemoveUnreachableStatementRector/Fixture/keep_function_after_return.php.inc b/rules/dead-code/tests/Rector/Stmt/RemoveUnreachableStatementRector/Fixture/keep_function_after_return.php.inc
new file mode 100644
index 00000000000..1b3174c6d84
--- /dev/null
+++ b/rules/dead-code/tests/Rector/Stmt/RemoveUnreachableStatementRector/Fixture/keep_function_after_return.php.inc
@@ -0,0 +1,11 @@
+<?php
+
+namespace Rector\DeadCode\Tests\Rector\Stmt\RemoveUnreachableStatementRector\Fixture;
+
+calledFunction();
+return;
+
+function calledFunction()
+{
+    define("SOMETHING",true);
+}