dns_get_mx

实例

获取邮件交换器记录（MX 记录）的详细信息：

<span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$domain</span><span class="token operator">=</span><span class="token string double-quoted-string">"gitbox.net"</span><span class="token punctuation">;</span>
<span class="token keyword">if</span><span class="token punctuation">(</span><span class="token function">dns_get_mx</span><span class="token punctuation">(</span><span class="token variable">$domain</span><span class="token punctuation">,</span><span class="token variable">$mx_details</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
  <span class="token keyword">foreach</span><span class="token punctuation">(</span><span class="token variable">$mx_details</span> <span class="token keyword">as</span> <span class="token variable">$key</span><span class="token operator">=></span><span class="token variable">$value</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
    <span class="token keyword">echo</span> <span class="token string double-quoted-string">"<span class="token interpolation"><span class="token variable">$key</span></span> => <span class="token interpolation"><span class="token variable">$value</span></span> <br>"</span><span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token delimiter important">?></span></span>