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- <?php
- /**
- * UTF8::strcspn
- *
- * @package Kohana
- * @author Kohana Team
- * @copyright (c) Kohana Team
- * @copyright (c) 2005 Harry Fuecks
- * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
- */
- function _strcspn($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) ? strcspn($str, $mask) : (($length === NULL) ? strcspn($str, $mask, $offset) : strcspn($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;
- }
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