first commit

system/core/utf8/ucwords.php

@@ -0,0 +1,26 @@
+<?php defined('SYSPATH') OR die('No direct access allowed.');
+/**
+ * utf8::ucwords
+ *
+ * @package    Core
+ * @author     Kohana Team
+ * @copyright  (c) 2007 Kohana Team
+ * @copyright  (c) 2005 Harry Fuecks
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
+ */
+function _ucwords($str)
+{
+	if (SERVER_UTF8)
+		return mb_convert_case($str, MB_CASE_TITLE);
+
+	if (utf8::is_ascii($str))
+		return ucwords($str);
+
+	// [\x0c\x09\x0b\x0a\x0d\x20] matches form feeds, horizontal tabs, vertical tabs, linefeeds and carriage returns.
+	// This corresponds to the definition of a 'word' defined at http://php.net/ucwords
+	return preg_replace(
+		'/(?<=^|[\x0c\x09\x0b\x0a\x0d\x20])[^\x0c\x09\x0b\x0a\x0d\x20]/ue',
+		'utf8::strtoupper(\'$0\')',
+		$str
+	);
+}