类里声明变量var $empno;就报错?
wjazz 2007-09-03 01:55:21 <?php
class employee
{
var $empno; //员工人数
var $empname; //员工姓名
function add_employ($in_no,$in_name)
{
$this->$empno=$in_no;
$this->$empname=$in_name;
}
function show_employ()
{
echo "$this->empno,$this->empname";
return;
}
function change_name($in_name)
{
$this->empname=$in_name;
}
}
$test=new employee;
$test->add_employ(10,"wjazz");
$test->show_employ();
$test->change_name("ball");
$test->show_employ();
?>
报错如下:
Notice: Undefined variable: empno in F:\phpsite\index.php on line 21
Fatal error: Cannot access empty property in F:\phpsite\index.php on line 21
第21行是
var $empno; //员工人数
为什么会出现这种问题,寻求解答