before call func1
A Object
(
    [i] => 1
)
func1(): 1
after call func1
A::__destruct()
before call close
A Object
(
    [i] => 1
)
close(): 1
after call close
before call func1
A Object
(
    [i] => 2
)
func1(): 1
after call func1
A::__destruct()
before call close
A Object
(
    [i] => 2
)
close(): 2
after call close