Using json_encode to process Chinese in PHP

<code><span><span><?php</span><span>echo</span> json_encode(<span>"中文"</span>);

<span>//"\u4e2d\u6587"</span></span></code>

<code><span><span>function</span><span>json_encode_cn</span><span>(<span>$data</span>)</span> {</span><span>$data</span> = json_encode ( <span>$data</span> );
        <span>return</span> preg_replace ( <span>"/\\\u([0-9a-f]{4})/ie"</span>, <span>"iconv('UCS-2BE', 'UTF-8', pack('H*', '$1'));"</span>, <span>$data</span> );
    }</code>

<code><span><span><?php</span><span>echo</span> json_encode(<span>"中文"</span>, JSON_UNESCAPED_UNICODE);

<span>//"中文"</span></span></code>