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- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Component\String;
- if (!\function_exists(u::class)) {
- function u(?string $string = ''): UnicodeString
- {
- return new UnicodeString($string ?? '');
- }
- }
- if (!\function_exists(b::class)) {
- function b(?string $string = ''): ByteString
- {
- return new ByteString($string ?? '');
- }
- }
- if (!\function_exists(s::class)) {
- /**
- * @return UnicodeString|ByteString
- */
- function s(?string $string = ''): AbstractString
- {
- $string = $string ?? '';
- return preg_match('//u', $string) ? new UnicodeString($string) : new ByteString($string);
- }
- }
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