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PHP中一个好用的函数parse_url,特别方便用来做信息抓取的分析,举例子如下: $url = "http://www.electrictoolbox.com/php-extract-domain-from-full-url/"; $parts = parse_url($url); 输出: Array ( [scheme] => http [host] => www.electrictoolbox.com [path] => /php-extract-domain-from-full-url/ )
又如: <?php $url = 'http://username:password@hostname/path?arg=value#anchor'; print_r(parse_url($url)); echo parse_url($url, PHP_URL_PATH); ?> 输出: Array ( [scheme] => http [host] => hostname [user] => username [pass] => password [path] => /path [query] => arg=value [fragment] => anchor ) 可以看到,可以很容易分解出一个URL的各个部,那如果要拿指定的部分出来的话也很容易,如
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