PHP domain name analysis_PHP tutorial

php analysis domain name! How to write! You can get the domain name by calling

<ol class="dp-c">
<li class="alt"><span><span><?  </span></span></li><li><span class="comment">//转载保留来源于http://www.hake.cc/span><span> </span></span></span></li>
<li class="alt">
<span class="comment">// ####################### 分析域名 ####################### </span><span> </span>
</li>
<li>
<span class="keyword">function</span><span> phpzygetname(</span><span class="vars">$url</span><span>)  </span>
</li>
<li class="alt"><span>{  </span></li>
<li>
<span class="vars">$referer</span><span> = preg_replace(</span><span class="string">"/https?://([^/]+).*/i"</span><span>, </span><span class="string">"1"</span><span>, </span><span class="vars">$url</span><span>);  </span>
</li>
<li class="alt">
<span class="vars">$referer</span><span> = </span><span class="func">str_replace</span><span>(</span><span class="string">"www."</span><span>, </span><span class="string">""</span><span>, </span><span class="vars">$referer</span><span>);  </span>
</li>
<li>
<span class="keyword">return</span><span> </span><span class="vars">$referer</span><span>;  </span>
</li>
<li class="alt"><span>}  </span></li>
<li><span>?>  </span></li>
</ol>

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