*parent* keyword does not belong to PHP5 !!! It's there in PHP4 as well!
On 8/8/05, Edwin Barrios <advilprog@xxxxxxxxx> wrote:
>
> Hi !
>
> you have to defined protected $var.
>
> This is a example where php5 OO model has a little ambiguities.
> Thing a few in your problem !, on de child class scope $var it's
> private then when yo execute printVar(), you aren't executed on parent
> scope you are calling a copie on child scope, then you don't have
> access to $var. Only when you use parent scope throw
> parent::printVar() , you realy calling the parent class instance into
> your child then print result.
>
> Then when you want to have a variable for being used on a public
> inherit method you have to defined protected
>
> On 8/8/05, Norbert Wenzel <mail@xxxxxxxxxxxx> wrote:
> > Is it possible to run inherited methods in the scope of the child class?
> > In my case I have an abstract class called 'Company' and some child
> > classes. There is a non abstract function in 'Company' which prints
> > '$this->phoneList'. That function should be the same to all child
> > classes, without rewritting it in every class.
> >
> > I call the printing method via the child class like
> > $childObject->printPhoneList();
> > The call seems to be handed over to the parent class 'Company' which is
> > fine. But the $this points to the phoneList of the abstract parent
> > class. So the phoneList in the abstract class seems to be unset, since i
> > have set the phone list in the child class.
> >
> > Here's a short example, showing what I mean:
> >
> > <?php
> >
> > abstract class AbstractClass {
> >
> > private $var;
> >
> > public function printVar() {
> > echo('var: ' . $this->var . '<br>');
> > }
> >
> > }
> >
> > class ConcreteClass extends AbstractClass {
> >
> > public function __construct($var) {
> > $this->var = $var;
> > }
> >
> > public function printVarChild() {
> > echo('var (child): ' . $this->var . '<br>');
> > }
> >
> > }
> >
> > $cl = new ConcreteClass(15);
> > $cl->printVar();
> > $cl->printVarChild();
> > ?>
> >
> > Output is:
> > var:
> > var (child): 15
> >
> >
> > Has anyone an idea how to print the $var of the child, without copying
> > the method in every child class?
> >
> > thanks in advance,
> > Norbert
> >
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> >
> >
>
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