$std4->username = '******';
$array = array($std1, $std2, $std3, $std4);
foreach ($array as $obj) {
echo $obj->userId, '--', $obj->username, '<br/><br/>';
}
//print_r($array);
//对象的属性可以是数组
class test1
{
public $users = array('Tom', 'John', 'Rose');
function fun1()
{
$std1 = new stdClass();
$std1->userId = 5;
$std1->username = '******';
$std2 = new stdClass();
$std2->userId = 9;
$std2->username = '******';
$std3 = new stdClass();
$std3->userId = 22;
$std3->username = '******';
$std4 = new stdClass();
$std4->userId = 36;
$std4->username = '******';
return array($std1, $std2, $std3, $std4);
}
}
$t = new test1();
echo $t->users[1], '<br/><br/>';
echo $t->fun1()[2]->username, '<br/><br/>';
return $obj;
}
function fun2()
{
echo 'BBB';
}
}
class test2
{
function fun3()
{
echo 'AAAA';
}
function fun4()
{
echo '123';
}
}
class test3
{
function fun5()
{
echo '我是test3里fun5()';
}
}
$t = new test1();
//链式写法
$t->obj->fun5();
//$t的的属性返回值为对象，即可以继续访问属性
$t->fun1()->fun3();
//$t的方法的返回值也是对象，即也可以再次调用方法
