From dee44ee2e1a8a34a1a38eb703460cf4ba80c8d26 Mon Sep 17 00:00:00 2001
From: Adrien SAMSON <asamson.externe@m6.fr>
Date: Tue, 19 Mar 2013 15:42:32 +0100
Subject: [PATCH] Fix #147

---
 Parser/FormTypeParser.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Parser/FormTypeParser.php b/Parser/FormTypeParser.php
index 75bb680..ecace3f 100644
--- a/Parser/FormTypeParser.php
+++ b/Parser/FormTypeParser.php
@@ -90,8 +90,10 @@ class FormTypeParser implements ParserInterface
             for ($type = $config->getType(); null !== $type; $type = $type->getParent()) {
                 if (isset($this->mapTypes[$type->getName()])) {
                     $bestType = $this->mapTypes[$type->getName()];
-                } elseif ('collection' === $type->getName() && isset($this->mapTypes[$config->getOption('type')])) {
-                    $bestType = sprintf('array of %ss', $this->mapTypes[$config->getOption('type')]);
+                } elseif ('collection' === $type->getName()) {
+                    if (is_string($config->getOption('type')) && isset($this->mapTypes[$config->getOption('type')])) {
+                        $bestType = sprintf('array of %ss', $this->mapTypes[$config->getOption('type')]);
+                    }
                 }
             }