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<?php
/*
* citeproc-php
*
* @link http://github.com/seboettg/citeproc-php for the source repository
* @copyright Copyright (c) 2017 Sebastian Böttger.
* @license https://opensource.org/licenses/MIT
*/
namespace Seboettg\CiteProc;
/**
* System locale-save implementation of \ucfirst. For example, when using the tr_TR locale, \ucfirst('i') yields "i".
* This implementation of ucfirst is locale-independent.
* @param string $string
* @return string
function ucfirst(string $string): string
{
$firstChar = substr($string, 0, 1);
$firstCharUpper = strtr($firstChar, 'abcdefghijklmnopqrstuvwxyz', 'ABCDEFGHIJKLMNOPQRSTUVWXYZ');
return $firstCharUpper . substr($string, 1);
}
seboettg /
citeproc-php
