From 9dd97d06be3c2d74bf3e393c7de9db4bdf6727d6 Mon Sep 17 00:00:00 2001
From: Zhaofeng Li <hello@zhaofeng.li>
Date: Tue, 29 Dec 2015 23:28:17 +0800
Subject: [PATCH] Date.php: Silently fall back to en when the locale isn't
 supported

---
 src/Date.php              | 8 ++++++++
 tests/TranslationTest.php | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/src/Date.php b/src/Date.php
index 2f14584..562c8fb 100644
--- a/src/Date.php
+++ b/src/Date.php
@@ -375,6 +375,14 @@ public static function setLocale($locale)
         // Use RFC 5646 for filenames.
         $resourcePath = __DIR__ . '/Lang/' . str_replace('_', '-', $locale) . '.php';
 
+        // Check if the locale is supported
+        if ( ! is_readable($resourcePath))
+        {
+            // Silently fall back to "en"
+            static::setLocale("en");
+            return;
+        }
+
         // Symfony locale format.
         $locale = str_replace('-', '_', $locale);
 
diff --git a/tests/TranslationTest.php b/tests/TranslationTest.php
index 383ae1f..327b24f 100644
--- a/tests/TranslationTest.php
+++ b/tests/TranslationTest.php
@@ -165,4 +165,12 @@ public function testFormatDeclensions()
         $date = new Date('10 march 2015');
         $this->assertSame('10 мартa 2015', $date->format('j F Y'));
     }
+
+    public function testFallbackLocale()
+    {
+        Date::setLocale('doge');
+
+        $date = new Date();
+        $this->assertSame('en', $date->getLocale());
+    }
 }