ok, I tried it in a whole number of variations -
no joy.
you should use php5 if you want this kind of reference
stuff - in php5 it just works, php 4 will give you big headaches.
Lluis Pamies wrote:
> En/na Jochem Maas ha escrit:
>> Lluis Pamies wrote:
>>> I've the following code:
>>>
>>> 1 <?php
>>> 2
>>> 3 class B {
>>> 4 function B(&$a) {
>>> 5 $this->a = &$a;
>>> 6 }
>>> 7
>>> 8 function run() {
>>> 9 print "{$this->a->msg}\n";
>>> 10 }
>>> 11 }
>>> 12
>>> 13 class A {
>>> 14 function A() {
>>> 15 $this->b = new B(&$this);
>>> 16 }
>>> 17
>>> 18 function &getInstance() {
>>> 19 static $inst;
>>> 20 if(!isset($inst)) $inst = new A();
>>
>> if(!isset($inst)) $inst =& new A();
>>
>>> 21 return $inst;
>>> 22 }
>>> 23
>>> 24 function run() {
>>> 25 $this->b->run();
>>> 26 }
>>> 27 }
>>> 28
>>> 29 $a = &A::getInstance();
>>> 30 $a->msg = "Hello world !";
>>> 31
>>> 32 // Some tasks, flow control, scope changes, ...
>>> 33
>>> 34 $a = &A::getInstance();
>>> 35 print "{$a->msg}\n"; // This should print "Hello world !"
>>> 36 $a->run(); // This should print "Hello world !"
>>> 37
>>> 38 ?>
>>>
>>> My problem is that I don't know what I need to do in order to print
>>> the same value in lines 35 and 36. Line 35 prints "Hello world !", but
>>> in the 36 nothing appears. What I'm doing wrong ?
>>>
>>> Thanks for all !
>>>
>
> Have you tried this ?
> In my php4 installation it doesn't work !
>
> $ php4 -version
> PHP 4.4.2-1.1 (cli) (built: Jun 20 2006 02:33:21)
> Copyright (c) 1997-2006 The PHP Group
> Zend Engine v1.3.0, Copyright (c) 1998-2004 Zend Technologies
>
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