From acf4d093bbd1715b1e3aa020089502e27a9d6594 Mon Sep 17 00:00:00 2001
From: Dan Cryer <dan@block8.co.uk>
Date: Wed, 16 Apr 2014 12:30:03 +0100
Subject: [PATCH] Updating PHPMD to enforce rules being an array. Fixes #319

---
 PHPCI/Plugin/PhpMessDetector.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/PHPCI/Plugin/PhpMessDetector.php b/PHPCI/Plugin/PhpMessDetector.php
index c5e56e4e..06bc72e8 100755
--- a/PHPCI/Plugin/PhpMessDetector.php
+++ b/PHPCI/Plugin/PhpMessDetector.php
@@ -86,6 +86,11 @@ class PhpMessDetector implements \PHPCI\Plugin
             $suffixes = ' --suffixes ' . implode(',', $this->suffixes);
         }
 
+        if (!empty($this->rules) && !is_array($this->rules)) {
+            $this->phpci->logFailure('The "rules" option must be an array.');
+            return false;
+        }
+
         foreach ($this->rules as &$rule) {
             if (strpos($rule, '/') !== false) {
                 $rule = $this->phpci->buildPath . $rule;