Fix warning if the encoding retrieved from external headers is invalid

Also fixed the regex to support this failing header: charset="utf-8"\r\n"

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/bookmark/LinkUtilsTest.php b/tests/bookmark/LinkUtilsTest.php
index 7d4a7b89..0d07897b 100644
--- a/tests/bookmark/LinkUtilsTest.php
+++ b/tests/bookmark/LinkUtilsTest.php
@@ -43,6 +43,19 @@ class LinkUtilsTest extends TestCase
     }
 
     /**
+     * Test headers_extract_charset() when the charset is found with odd quotes.
+     */
+    public function testHeadersExtractExistentCharsetWithQuotes()
+    {
+        $charset = 'x-MacCroatian';
+        $headers = 'text/html; charset="' . $charset . '"otherstuff="test"';
+        $this->assertEquals(strtolower($charset), header_extract_charset($headers));
+
+        $headers = 'text/html; charset=\'' . $charset . '\'otherstuff="test"';
+        $this->assertEquals(strtolower($charset), header_extract_charset($headers));
+    }
+
+    /**
      * Test headers_extract_charset() when the charset is not found.
      */
     public function testHeadersExtractNonExistentCharset()