php获取当前页面完整url地址实例

// baseUrl
function baseUrl($uri=''){
 $baseUrl = ( isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off') ? 'https://' : 'http://';
 $baseUrl .= isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : getenv('HTTP_HOST');
 $baseUrl .= isset($_SERVER['SCRIPT_NAME']) ? dirname($_SERVER['SCRIPT_NAME']) : dirname(getenv('SCRIPT_NAME'));
 return $baseUrl.'/'.$uri;
}

    /**
     * Suppose, you are browsing in your localhost
     * http://localhost/myproject/index.php?id=8
     */
    function baseUrl()
    {
        // output: /myproject/index.php
        $currentPath = $_SERVER['PHP_SELF'];

        // output: Array ( [dirname] => /myproject [basename] => index.php [extension] => php [filename] => index )
        $pathInfo = pathinfo($currentPath);

        // output: localhost
        $hostName = $_SERVER['HTTP_HOST'];

        // output: http://
        $protocol = strtolower(substr($_SERVER["SERVER_PROTOCOL"],0,5))=='https://' ? 'https://' : 'http://';

        // return: http://localhost/myproject/
        return $protocol.$hostName.$pathInfo['dirname']."/";
    }

 /**
  *@author mckee
  *@blog  http://www.111com.net
  */
 function get_page_url(){
  $url = (isset($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] == '443') ? 'https://' : 'http://';
  $url .= $_SERVER['HTTP_HOST'];
  $url .= isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : urlencode($_SERVER['PHP_SELF']) . '?' . urlencode($_SERVER['QUERY_STRING']);
  return $url;
 }
 echo get_page_url();
?>

function getFullUrl(){
    # 解决通用问题
    $requestUri = '';
    if (isset($_SERVER['REQUEST_URI'])) { #$_SERVER["REQUEST_URI"] 只有 apache 才支持,
        $requestUri = $_SERVER['REQUEST_URI'];
    } else {
        if (isset($_SERVER['argv'])) {
            $requestUri = $_SERVER['PHP_SELF'] .'?'. $_SERVER['argv'][0];
        } else if(isset($_SERVER['QUERY_STRING'])) {
            $requestUri = $_SERVER['PHP_SELF'] .'?'. $_SERVER['QUERY_STRING'];
        }
    }
//    echo $requestUri.'
';
    $scheme = empty($_SERVER["HTTPS"]) ? '' : ($_SERVER["HTTPS"] == "on") ? "s" : "";
    $protocol = strstr(strtolower($_SERVER["SERVER_PROTOCOL"]), "/",true) . $scheme;
    $port = ($_SERVER["SERVER_PORT"] == "80") ? "" : (":".$_SERVER["SERVER_PORT"]);
    # 获取的完整url
    $_fullUrl = $protocol . "://" . $_SERVER['SERVER_NAME'] . $port . $requestUri;
    return $_fullUrl;
}