举例子如下: <div class="codetitle"><a style="CURSOR: pointer" data="52332" class="copybut" id="copybut52332" onclick="doCopy('code52332')"> 代码如下:<div class="codebody" id="code52332"> $url = "http://www.electrictoolbox.com/php-extract-domain-from-full-url/"; $parts = parse_url($url); 输出: <div class="codetitle"><a style="CURSOR: pointer" data="44046" class="copybut" id="copybut44046" onclick="doCopy('code44046')"> 代码如下:<div class="codebody" id="code44046"> Array ( [scheme] => http [host] => www.electrictoolbox.com [path] => /php-extract-domain-from-full-url/ ) 又如: <div class="codetitle"><a style="CURSOR: pointer" data="22020" class="copybut" id="copybut22020" onclick="doCopy('code22020')"> 代码如下:<div class="codebody" id="code22020"> <?php $url = 'http://username:password@hostname/path?arg=value#anchor'; print_r(parse_url($url)); echo parse_url($url,PHP_URL_PATH); ?> 输出: <div class="codetitle"><a style="CURSOR: pointer" data="61541" class="copybut" id="copybut61541" onclick="doCopy('code61541')"> 代码如下:<div class="codebody" id="code61541"> Array ( [scheme] => http [host] => hostname [user] => username [pass] => password [path] => /path [query] => arg=value [fragment] => anchor ) 可以看到,可以很容易分解出一个URL的各个部,那如果要拿指定的部分出来的话也很容易,如 echo parse_url($url,PHP_URL_PATH); 就是在第二个参数中,设定如下的参数: PHP_URL_SCHEME,PHP_URL_HOST,PHP_URL_PORT,PHP_URL_USER,PHP_URL_PASS,PHP_URL_PATH,PHP_URL_QUERY or PHP_URL_FRAGMENT. (编辑:李大同)
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