php, OOP and references

[abstraktmedia]

Hi there...

I was playing a bit with PHP5 and I found some strange behaviours or I just
don't understand....

If I have two classes

 
class A
{
function __construct()
{
     print("A constructor called!<br>");
}
 
function __destruct()
{
     print("A destructor called!<br>");
}
}
 
class B
{
function __construct()
{
     print("B constructor called!<br>");
}
 
function __destruct()
{
     print("B destructor called!<br>");
}
} 

to begin with testing I stated:

$a = new A();
$b = new B(); 

which gave me a pretty odd output....

then I tried with references(although that's depricated in php5)

$a = &new A();
$b = &new B(); 

in both cases B destructor was called after A destructor.....

but isn't the one of main rules in OOP that objects have to be destroyed in the order they were created!?

so I would expect

A constructor called!
B constructor called!
B destructor called!
A destructor called!

Any thoughts on that!?

[DougBTX]

isn't the one of main rules in OOP that objects have to be destroyed in the order they were created!?

Nope, sorry.

You might be thinking of the case where A creates B in its constructor, so when A is destroyed B is also destroyed.

Something like this:

class A {
    
    function __construct() {
        print("A constructor called!<br>");
        $this->b = new B();
    }
    
    function __destruct() {
        $this->b = null;
        print("A destructor called!<br>");
    }
}

class B {
    
    function __construct() {
        print("B constructor called!<br>");
    }

    function __destruct() {
        print("B destructor called!<br>");
    }
}

$a = new A(); 

Douglas

[abstraktmedia]

hm...interesting....thanx...