擅长:python、mysql、java
<p><strong>删除URL中的查询字符串:</strong></p>
<pre><code><?php
$url = 'http://www.washingtonpost.com/blogs/answer-sheet/post/report-we-still-dont-know-much-about-charter-schools/2012/01/13/gIQAxMIeyP_blog.html?wprss=linkset&tid=sm_twitter_washingtonpost';
$url = explode('?',$url);
$url = $url[0];
//check output
echo $url;
?>
</code></pre>
<p><strong>检查URL是否有效:</strong></p>
<p>您可以使用PHP函数<strong><code>get_headers($url)</code></strong>。示例:</p>
^{pr2}$