http_response_code

实例

将 HTTP 响应状态码设置为 404：

<span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token function">http_response_code</span><span class="token punctuation">(</span><span class="token number">404</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>