/**
* Convert Chinese Surname to pinyin.
*
* @param string $string
* @param \Overtrue\Pinyin\DictLoaderInterface $dictLoader
*
* @return string
*/
protected function convertSurname($string, $dictLoader)
{
$dictLoader->mapSurname(function ($dictionary) use(&$string) {
foreach ($dictionary as $surname => $pinyin) {
if (strpos($string, $surname) === 0) {
$string = $pinyin . mb_substr($string, mb_strlen($surname, 'UTF-8'), mb_strlen($string, 'UTF-8') - 1, 'UTF-8');
break;
}
}
});
return $string;
}