php获取当前url

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<?php echo 'SERVER_NAME:'.$_SERVER['SERVER_NAME']; //获取当前域名(不含端口号) echo '<p>'; echo 'HTTP_HOST:'.$_SERVER['HTTP_HOST'];//获取当前域名 (含端口号) echo '<p>'; echo 'REQUEST_URI:'.$_SERVER['REQUEST_URI'];//获取当前域名的后缀
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