Merge pull request #124 from bmitch/bmitchell-123

Fixes #123 - MixedReturnTypeSniff - check for `comment_opener` index …

Author: bmitch

src/Codor/Sniffs/TypeHints/MixedReturnTypeSniff.php

@@ -36,6 +36,10 @@ public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
 
         $commentEnd = $this->findCommentEnd($phpcsFile, $stackPtr, $tokens);
 
+        if (empty($tokens[$commentEnd]['comment_opener'])) {
+            return;
+        }
+
         $commentStart = $tokens[$commentEnd]['comment_opener'];
 
         $this->processReturn($phpcsFile, $commentStart);