1 files changed, 30 insertions, 0 deletions
diff --git a/kohana/core/utf8/strspn.php b/kohana/core/utf8/strspn.php
new file mode 100644
index 00000000..de03b1f8
--- /dev/null
+++ b/kohana/core/utf8/strspn.php
@@ -0,0 +1,30 @@
+<?php defined('SYSPATH') or die('No direct script access.');
+/**
+ * utf8::strspn
+ *
+ * @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 _strspn($str, $mask, $offset = NULL, $length = NULL)
+{
+	if ($str == '' OR $mask == '')
+		return 0;
+
+	if (utf8::is_ascii($str) AND utf8::is_ascii($mask))
+		return ($offset === NULL) ? strspn($str, $mask) : (($length === NULL) ? strspn($str, $mask, $offset) : strspn($str, $mask, $offset, $length));
+
+	if ($offset !== NULL OR $length !== NULL)
+	{
+		$str = utf8::substr($str, $offset, $length);
+	}
+
+	// Escape these characters:  - [ ] . : \ ^ /
+	// The . and : are escaped to prevent possible warnings about POSIX regex elements
+	$mask = preg_replace('#[-[\].:\\\\^/]#', '\\\\$0', $mask);
+	preg_match('/^[^'.$mask.']+/u', $str, $matches);
+
+	return isset($matches[0]) ? utf8::strlen($matches[0]) : 0;
+}
+\ No newline at end of file