Code Coverage |
||||||||||
Lines |
Functions and Methods |
Classes and Traits |
||||||||
| Total | |
20.00% |
2 / 10 |
|
0.00% |
0 / 1 |
CRAP | |
0.00% |
0 / 1 |
| AbstractString | |
20.00% |
2 / 10 |
|
0.00% |
0 / 1 |
4.05 | |
0.00% |
0 / 1 |
| isUTF8 | |
20.00% |
2 / 10 |
|
0.00% |
0 / 1 |
4.05 | |||
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Abstract parent for the string wrapper classes. |
| 5 | * |
| 6 | * This Source Code Form is subject to the terms of the Mozilla Public License, |
| 7 | * v. 2.0. If a copy of the MPL was not distributed with this file, You can |
| 8 | * obtain one at https://mozilla.org/MPL/2.0/. |
| 9 | * |
| 10 | * @package phpMyFAQ |
| 11 | * @author Anatoliy Belsky <ab@php.net> |
| 12 | * @copyright 2009-2026 phpMyFAQ Team |
| 13 | * @license https://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0 |
| 14 | * @link https://www.phpmyfaq.de |
| 15 | * @since 2009-04-06 |
| 16 | */ |
| 17 | |
| 18 | declare(strict_types=1); |
| 19 | |
| 20 | namespace phpMyFAQ\Strings; |
| 21 | |
| 22 | /** |
| 23 | * Class StringsAbstract |
| 24 | * |
| 25 | * @package phpMyFAQ\Strings |
| 26 | */ |
| 27 | abstract class AbstractString |
| 28 | { |
| 29 | /** |
| 30 | * Default encoding. |
| 31 | * |
| 32 | * @var string |
| 33 | */ |
| 34 | public const DEFAULT_ENCODING = 'utf-8'; |
| 35 | |
| 36 | /** |
| 37 | * Default language. |
| 38 | */ |
| 39 | public const string DEFAULT_LANGUAGE = 'en'; |
| 40 | |
| 41 | /** |
| 42 | * Encoding. |
| 43 | */ |
| 44 | protected string $encoding = self::DEFAULT_ENCODING; |
| 45 | |
| 46 | /** |
| 47 | * Language. |
| 48 | */ |
| 49 | protected string $language = self::DEFAULT_LANGUAGE; |
| 50 | |
| 51 | /** |
| 52 | * Check if the string is a Unicode string. |
| 53 | * |
| 54 | * @param string $str String |
| 55 | */ |
| 56 | public static function isUTF8(string $str): bool |
| 57 | { |
| 58 | if (function_exists('mb_detect_encoding')) { |
| 59 | return (bool) mb_detect_encoding($str, self::DEFAULT_ENCODING, strict: true); |
| 60 | } |
| 61 | |
| 62 | $regex = |
| 63 | '/^([\x00-\x7f]|[\xc2-\xdf][\x80-\xbf]|\xe0[\xa0-\xbf][\x80-\xbf]|[\xe1-\xec][\x80-\xbf]{2}|' |
| 64 | . '\xed[\x80-\x9f][\x80-\xbf]|' |
| 65 | . '[\xee-\xef][\x80-\xbf]{2}|' |
| 66 | . '\xf0[\x90-\xbf][\x80-\xbf]{2}|' |
| 67 | . '[\xf1-\xf3][\x80-\xbf]{3}|' |
| 68 | . '\xf4[\x80-\x8f][\x80-\xbf]{2})*$/'; |
| 69 | |
| 70 | return preg_match($regex, $str) === 1; |
| 71 | } |
| 72 | } |