From 0ea2228228d5d54e1228068059a06b33c1519d59 Mon Sep 17 00:00:00 2001
From: Christian Flothmann <christian.flothmann@xabbuh.de>
Date: Thu, 26 May 2016 23:33:50 +0200
Subject: [PATCH] [Yaml] search for colons in strings only

Since the parser is able to return `\DateTime` instances when the
`Yaml::PARSE_DATETIME` flag is passed, we need to ensure that the parsed
value actually is a string before passing the parsed value to string
functions.
---
 src/Symfony/Component/Yaml/Parser.php           |  2 +-
 src/Symfony/Component/Yaml/Tests/ParserTest.php | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Yaml/Parser.php b/src/Symfony/Component/Yaml/Parser.php
index de1101f009..2b5cb79951 100644
--- a/src/Symfony/Component/Yaml/Parser.php
+++ b/src/Symfony/Component/Yaml/Parser.php
@@ -539,7 +539,7 @@ class Parser
         try {
             $parsedValue = Inline::parse($value, $flags, $this->refs);
 
-            if ('mapping' === $context && '"' !== $value[0] && "'" !== $value[0] && '[' !== $value[0] && '{' !== $value[0] && '!' !== $value[0] && false !== strpos($parsedValue, ': ')) {
+            if ('mapping' === $context && is_string($parsedValue) && '"' !== $value[0] && "'" !== $value[0] && '[' !== $value[0] && '{' !== $value[0] && '!' !== $value[0] && false !== strpos($parsedValue, ': ')) {
                 throw new ParseException('A colon cannot be used in an unquoted mapping value.');
             }
 
diff --git a/src/Symfony/Component/Yaml/Tests/ParserTest.php b/src/Symfony/Component/Yaml/Tests/ParserTest.php
index 4ebee0fd89..53fe51a09a 100644
--- a/src/Symfony/Component/Yaml/Tests/ParserTest.php
+++ b/src/Symfony/Component/Yaml/Tests/ParserTest.php
@@ -1230,6 +1230,19 @@ EOT
             ),
         );
     }
+
+    public function testParseDateAsMappingValue()
+    {
+        $yaml = <<<EOT
+date: 2002-12-14
+EOT;
+        $expectedDate = new \DateTime();
+        $expectedDate->setTimeZone(new \DateTimeZone('UTC'));
+        $expectedDate->setDate(2002, 12, 14);
+        $expectedDate->setTime(0, 0, 0);
+
+        $this->assertEquals(array('date' => $expectedDate), $this->parser->parse($yaml, Yaml::PARSE_DATETIME));
+    }
 }
 
 class B