36 lines
1.1 KiB
PHP
36 lines
1.1 KiB
PHP
<?php
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// phpcs:disable PSR1.Files.SideEffects
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defined('SYSPATH') or die('No direct access allowed.');
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// phpcs:enable PSR1.Files.SideEffects
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/**
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* utf8::strspn
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*
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* @package Core
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* @author Kohana Team
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* @copyright (c) 2007 Kohana Team
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* @copyright (c) 2005 Harry Fuecks
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
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*/
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function _strspn($str, $mask, $offset = null, $length = null)
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{
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if ($str == '' or $mask == '') {
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return 0;
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}
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if (utf8::is_ascii($str) and utf8::is_ascii($mask)) {
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return ($offset === null) ? strspn($str, $mask) : (($length === null) ? strspn($str, $mask, $offset) : strspn($str, $mask, $offset, $length));
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}
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if ($offset !== null or $length !== null) {
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$str = utf8::substr($str, $offset, $length);
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}
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// Escape these characters: - [ ] . : \ ^ /
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// The . and : are escaped to prevent possible warnings about POSIX regex elements
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$mask = preg_replace('#[-[\].:\\\\^/]#', '\\\\$0', $mask);
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preg_match('/^[^' . $mask . ']+/u', $str, $matches);
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return isset($matches[0]) ? utf8::strlen($matches[0]) : 0;
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}
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