php 路径和url有什么区别
2个回答
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URL 指你浏览器地址栏里面的
路径 指你文件存放的目录地址
如果URL 是baidu.com
可能你的路径是 /alidata/www/baidu
路径 指你文件存放的目录地址
如果URL 是baidu.com
可能你的路径是 /alidata/www/baidu
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#测试网址: http://localhost/blog/testurl.php?id=5
//获取域名或<a href="https://www.baidu.com/s?wd=%E4%B8%BB%E6%9C%BA%E5%9C%B0%E5%9D%80&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YLm1R3PvDznH63PH0snW7W0ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EnHmsPHfsPWTknHc1PWmYnjnYPs" target="_blank" class="baidu-highlight">主机地址</a>
echo $_SERVER['HTTP_HOST'].""; #localhost
//获取网页地址
echo $_SERVER['PHP_SELF'].""; #/blog/testurl.php
//获取网址参数
echo $_SERVER["QUERY_STRING"].""; #id=5
//获取<a href="https://www.baidu.com/s?wd=%E7%94%A8%E6%88%B7%E4%BB%A3%E7%90%86&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YLm1R3PvDznH63PH0snW7W0ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EnHmsPHfsPWTknHc1PWmYnjnYPs" target="_blank" class="baidu-highlight">用户代理</a>
echo $_SERVER['<a href="https://www.baidu.com/s?wd=HTTP_REFERER&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YLm1R3PvDznH63PH0snW7W0ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EnHmsPHfsPWTknHc1PWmYnjnYPs" target="_blank" class="baidu-highlight">HTTP_REFERER</a>']."";
//获取完整的url
echo 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
echo 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'].'?'.$_SERVER['QUERY_STRING'];
#http://localhost/blog/testurl.php?id=5
//包含端口号的完整url
echo 'http://'.$_SERVER['SERVER_NAME'].':'.$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
#http://localhost:80/blog/testurl.php?id=5
//只取路径
$url='http://'.$_SERVER['SERVER_NAME'].$_SERVER["REQUEST_URI"];
echo dirname($url);
#http://localhost/blog
//获取域名或<a href="https://www.baidu.com/s?wd=%E4%B8%BB%E6%9C%BA%E5%9C%B0%E5%9D%80&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YLm1R3PvDznH63PH0snW7W0ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EnHmsPHfsPWTknHc1PWmYnjnYPs" target="_blank" class="baidu-highlight">主机地址</a>
echo $_SERVER['HTTP_HOST'].""; #localhost
//获取网页地址
echo $_SERVER['PHP_SELF'].""; #/blog/testurl.php
//获取网址参数
echo $_SERVER["QUERY_STRING"].""; #id=5
//获取<a href="https://www.baidu.com/s?wd=%E7%94%A8%E6%88%B7%E4%BB%A3%E7%90%86&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YLm1R3PvDznH63PH0snW7W0ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EnHmsPHfsPWTknHc1PWmYnjnYPs" target="_blank" class="baidu-highlight">用户代理</a>
echo $_SERVER['<a href="https://www.baidu.com/s?wd=HTTP_REFERER&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YLm1R3PvDznH63PH0snW7W0ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EnHmsPHfsPWTknHc1PWmYnjnYPs" target="_blank" class="baidu-highlight">HTTP_REFERER</a>']."";
//获取完整的url
echo 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
echo 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'].'?'.$_SERVER['QUERY_STRING'];
#http://localhost/blog/testurl.php?id=5
//包含端口号的完整url
echo 'http://'.$_SERVER['SERVER_NAME'].':'.$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
#http://localhost:80/blog/testurl.php?id=5
//只取路径
$url='http://'.$_SERVER['SERVER_NAME'].$_SERVER["REQUEST_URI"];
echo dirname($url);
#http://localhost/blog
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