PHP截取远端网页资讯

以下程序代码会介绍如何截取远端网页资讯，包括HTML tag 里面的Title, Description 及Keywords：
 
PLAIN TEXT
PHP:
<?php
//—–定义要截取的网页地址
$url = “http:// www.2cto.com ”;
//—– 读取网页原始码
$fp = file_get_contents($url);
//—– 截取title 资讯
preg_match(“/<title>(.*)<//title>/s”, $fp, $match);
$title = $match[1];
//—– 截取Description 及Keywords
$metatag = get_meta_tags($url);
$description = $metatag["description"];
$keywords = $metatag["keywords"];
//—– 印出結果
echo “URL: $url/n”;
echo “Title: $title/n”;
echo “Description: $description/n”;
echo “Keywords: $keywords/n”;
?>