WordPress获取当前页面URL地址的方法

<?php  
// 说明：获取完整URL  
function curPageURL()   
{  
    $pageURL = 'http';  
    if ($_SERVER["HTTPS"] == "on")   
    {  
        $pageURL .= "s";  
    }  
    $pageURL .= "://";  
    if ($_SERVER["SERVER_PORT"] != "80")   
    {  
        $pageURL .= $_SERVER["SERVER_NAME"] . ":" . $_SERVER["SERVER_PORT"] . $_SERVER["REQUEST_URI"];  
    }   
    else   
    {  
        $pageURL .= $_SERVER["SERVER_NAME"] . $_SERVER["REQUEST_URI"];  
    }  
    return $pageURL;  
}  
?>

<?php  
  echo curPageURL();  
?>