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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 ??= '';
return preg_match('//u', $string) ? new UnicodeString($string) : new ByteString($string);
}
}
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