From b5110320821602f7222c3c7fd6750ecff6afdf74 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kuba=20Wer=C5=82os?= <werlos@gmail.com>
Date: Tue, 31 Jul 2018 20:59:38 +0000
Subject: [PATCH] NoSuperfluousPhpdocTagsFixer - Index invalid or out of range

---
 src/Fixer/Phpdoc/NoSuperfluousPhpdocTagsFixer.php       | 2 +-
 tests/Fixer/Phpdoc/NoSuperfluousPhpdocTagsFixerTest.php | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Fixer/Phpdoc/NoSuperfluousPhpdocTagsFixer.php b/src/Fixer/Phpdoc/NoSuperfluousPhpdocTagsFixer.php
index 0e33766a8c7..f7fda46c5b7 100644
--- a/src/Fixer/Phpdoc/NoSuperfluousPhpdocTagsFixer.php
+++ b/src/Fixer/Phpdoc/NoSuperfluousPhpdocTagsFixer.php
@@ -139,7 +139,7 @@ private function findDocumentedFunction(Tokens $tokens, $index)
         do {
             $index = $tokens->getNextMeaningfulToken($index);
 
-            if ($tokens[$index]->isGivenKind(T_FUNCTION)) {
+            if (null === $index || $tokens[$index]->isGivenKind(T_FUNCTION)) {
                 return $index;
             }
         } while ($tokens[$index]->isGivenKind([T_ABSTRACT, T_FINAL, T_STATIC, T_PRIVATE, T_PROTECTED, T_PUBLIC]));
diff --git a/tests/Fixer/Phpdoc/NoSuperfluousPhpdocTagsFixerTest.php b/tests/Fixer/Phpdoc/NoSuperfluousPhpdocTagsFixerTest.php
index 3e71c26ee08..f3e9cab92b5 100644
--- a/tests/Fixer/Phpdoc/NoSuperfluousPhpdocTagsFixerTest.php
+++ b/tests/Fixer/Phpdoc/NoSuperfluousPhpdocTagsFixerTest.php
@@ -264,6 +264,12 @@ class Foo {
     public function doFoo(array $bar, callable $baz) {}
 }',
             ],
+            'PHPDoc at the end of file' => [
+                '<?php
+/**
+ * Foo
+ */',
+            ],
         ];
     }