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php 获取当前脚本的url

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Release: 2016-05-25 16:54:07
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关于用php 获取当前脚本的url很多朋友会说很简单,但是要获取很详细的就要经过多次判断哦。

$PHP_TIME = time();
$PHP_SELF = isset($_SERVER['PHP_SELF']) ? $_SERVER['PHP_SELF'] : (isset($_SERVER['SCRIPT_NAME']) ? $_SERVER['SCRIPT_NAME'] : $_SERVER['ORIG_PATH_INFO']);
/**  
获取当前运行的脚本名:  刚开始看是不是有点乱呢。 咋没用if else 呢。 看这样的东西。我们最好从右看到左。这样比较好明白点。$_SERVER['SCRIPT_NAME'] $_SERVER['PHP_SELF']  $_SERVER['ORIG_PATH_INFO'] 这三个服务器全局变量都是获取 当前脚本名的。主要看服务器当前环境了。那个存在的就获取那个。  
isset() 函数 十分有用。 测试一个变量是否已经定义。 注: $a= NULL ; isset($a) 这样会返回false的哦。 注意 isset 和empty 两个函数的用法。用得不好会出大问题的。自己看手册。    
*/ 
$PHP_QUERYSTRING = $_SERVER['QUERY_STRING'];  
$PHP_DOMAIN = $_SERVER['SERVER_NAME'];  
$PHP_REFERER = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '';  
$PHP_SCHEME = $_SERVER['SERVER_PORT'] == '443' ? 'https://' : 'http://'; //测试服务器是否启动了ssl 连接如果是的话。就用https://安全连接来进行通行  
$PHP_PORT = $_SERVER['SERVER_PORT'] == '80' ? '' : ':'.$_SERVER['SERVER_PORT'];  
$PHP_SITEURL = $PHP_SCHEME.$PHP_DOMAIN.$PHP_PORT.PHPCMS_PATH;  
$PHP_URL = $PHP_SCHEME.$PHP_DOMAIN.$PHP_PORT.$PHP_SELF.($PHP_QUERYSTRING ? '?'.$PHP_QUERYSTRING : '');  
/** 
获取当前脚本的URL  
*/
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