PHP获取当前页面的URL

/** * 获取当前页面地址 * * @author snsgou.com */function getPageUrl() {$pageURL = 'http';if ($_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;}