ID: 29689
Updated by: [EMAIL PROTECTED]
Reported By: php dot net at benjamin dot schulz dot name
Status: Assigned
Bug Type: Zend Engine 2 problem
Operating System: *
PHP Version: 5CVS-2005-04-19
Assigned To: andi
New Comment:
No, I think it should output foo, baz, baz. Private property is to
behave for external functions as if it did not exist at all. However,
protected property is shared by the whole inheritance chain, so
redefining it means redefining it everywhere.
Previous Comments:
------------------------------------------------------------------------
[2005-04-19 16:19:11] [EMAIL PROTECTED]
<?php
class foo {
private $foo = 'foo';
function printFoo1()
{
echo __CLASS__, ': ', $this->foo, "\n";
}
}
class bar extends foo {
protected $foo = 'bar';
function printFoo2()
{
echo __CLASS__, ': ', $this->foo, "\n";
}
}
class baz extends bar {
protected $foo = 'baz';
function printFoo3()
{
echo __CLASS__, ': ', $this->foo, "\n";
}
}
$bar = new baz;
$bar->printFoo1();
$bar->printFoo2();
$bar->printFoo3();
?>
Outputs:
foo: baz
bar: baz
baz: baz
When it should output:
foo: foo
bar: bar
baz: baz
Right?
------------------------------------------------------------------------
[2004-08-31 19:00:41] php dot net at benjamin dot schulz dot name
you don't get the point, the problem is that baz's protected $foo
overrides foo's private $foo, that should not happen
using parent::foo() is a common technique, and there is a $this because
it get's the context of the calling point
------------------------------------------------------------------------
[2004-08-31 18:32:35] [EMAIL PROTECTED]
Please, be more verbose next time if you want to get any help. Your
conciseness doesn't help very much.
The problem is that you're trying to access class members through $this
variable using static methods. As you can understand in this case there
is no $this and behavior seems to be undefined (shouldn't there be an
error, btw?).
------------------------------------------------------------------------
[2004-08-31 17:48:56] php dot net at benjamin dot schulz dot name
yep tony, you're right, and now read the bug report
------------------------------------------------------------------------
[2004-08-31 16:24:10] [EMAIL PROTECTED]
Private members belong only to the class where they were defined and
cannot be inherited.
------------------------------------------------------------------------
The remainder of the comments for this report are too long. To view
the rest of the comments, please view the bug report online at
http://bugs.php.net/29689
--
Edit this bug report at http://bugs.php.net/?id=29689&edit=1
