php json_encode() does not output Chinese, but characters such as "u4e2du6587" appear.
Php code
<?php
echo json_encode("中文");
//"\u4e2d\u6587"
如何让它变成中文呢？就要使用JSON_UNESCAPED_UNICODE，让JSON不要输出Unicode编码。
Php code
<?php
echo json_encode("中文", JSON_UNESCAPED_UNICODE);
//"中文"
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