Re: OBJECT£ºWHAT'S THE RALATION BETWEEN A,B AND C?

At 17.03.2002 10:01, you wrote:

<?php class A {

    function A($i)
    {
        $this->value = $i;
        // try to figure out why we do not need a reference here
        $this->b = new B($this);
    }

    function createRef()
    {
        $this->c = new B($this);
    }

    function echoValue()
    {
        echo "<br>","class ",get_class($this),': ',$this->value;
    }

} class B {

    function B(&$a)
    {
        $this->a = &$a;
    }

    function echoValue()
    {
        echo "<br>","class ",get_class($this),': ',$this->a->value;
    }

} // try to undestand why using a simple copy here would yield // in an undesired result in the *-marked line $a =new A(10); $a->createRef(); $a->echoValue(); $a->b->echoValue(); $a->c->echoValue(); $a->value = 11; $a->echoValue(); $a->b->echoValue(); // * $a->c->echoValue(); ?> Even if I don´t understand what your code does, shouldn´t you

give any variable a place to be stored so it schould look like class foo {

        var $a;
        var $b;

function fooplus() {

        $this -> a = foofoo;

and so on ?? } } HTH Oliver