我怎么可能使用这些变量之一?我尝试了很多版本并不断收到错误
public $currentDir = $_SERVER['DOCUMENT_ROOT'];
class myClass {
var $users_xml_file = $currentDir."data/my.xml";
var $currentDir = __DIR__;
class myClass {
var $users_xml_file = $currentDir."data/my.xml";
$currentDir = dirname(__FILE__);
class myClass {
var $users_xml_file = $currentDir."data/my.xml";
class myClass {
$currentDir = dirname(__FILE__);
var $users_xml_file = $currentDir."data/my.xml";