At 07:27 PM 11/7/2003 -0400, Greg Beaver wrote:
>Hi, a discussion on php.general led to the discovery of this oddly legal
>script:
>
><?php
> class dog {
> // declare two private variables
> private $Name;
> private $DogTag;
>
> public function bark() {
> print "Woof!\n";
> }
>
> public function printName() {
> print $this->Name; // prints nothing!
> }
> }
>
> // new class, for testing derived stuff
> class poodle extends dog {
> public function bark() {
> print "Yip!\n";
> }
> }
>
> // I now create an instance of the
> // derived class
> $poppy = new poodle;
>
> // and set its private property
> $poppy->Name = "Poppy";
> print $poppy->Name. "\n";
> $poppy->printName();
> print_r($poppy);
>?>
>
>outputs:
>
>Poppy
>poodle Object
>(
> [Name:private] =>
> [DogTag:private] =>
> [Name] => Poppy
>)
>
>Is this expected behavior or should I open a bug?
Seems to be expected behavior to me. poodle doesn't *know* the private
variable "Name" so when you use $poppy->Name it declares a public member
instead. As printName() is inherited from the base class it accesses the
private member and not the public one.
Andi
