Re: Unexpected behavior of $this->$propertyName[...]
| From: | Etienne Kneuss | Date: | Thu, 15 Jan 2009 23:04:36 +0000 |
| Subject: | Re: Unexpected behavior of $this->$propertyName[...] | ||
| References: | 1 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-42652@lists.php.net to get a copy of this message | ||
Hello,
On Thu, Jan 15, 2009 at 8:24 PM, Robert Lemke <robert@typo3.org> wrote:
> Dear internals,
>
> please consider the following code executed with PHP 5.3alpha3:
>
> <?php
> class Foo {
> protected $foo = array('bar' => 'baz');
>
> public function test() {
> $propertyName = 'foo';
> var_dump(isset($this->foo['bar']));
> var_dump(isset($this->$propertyName['bar']));
> }
> }
>
> $object = new Foo;
> $object->test();
> ?>
>
> Expected output:
>
> array
> 'foo' =>
> array
> 'bar' => string 'quux' (length=4)
>
> Actual output:
>
> array
> 'foo' =>
> array
> 'bar' => string 'baz' (length=3)
> 'f' => string 'quux' (length=4)
>
> Is this a bug or missing feature?
It's a simple matter of precedence.
You want $this->{$propertyName}['bar']; here
Regards
>
> Cheers,
> robert
>
>
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>
>
>
--
Etienne Kneuss
http://www.colder.ch
Men never do evil so completely and cheerfully as
when they do it from a religious conviction.
-- Pascal