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Bug #38317 "cannot reassign $this" outside object scope
Submitted: 2006-08-03 17:03 UTC Modified: 2006-08-04 07:48 UTC
From: giunta dot gaetano at sea-aeroportimilano dot it Assigned:
Status: Wont fix Package: Scripting Engine problem
PHP Version: 5.1.4 OS: windows 2000
Private report: No CVE-ID: None
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From: giunta dot gaetano at sea-aeroportimilano dot it
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 [2006-08-03 17:03 UTC] giunta dot gaetano at sea-aeroportimilano dot it 
Description:
------------
It seems like php 5.1.4 does not like an assignment to variable '$this', regardless of the scope:
- objet method
- function
- global

Is this a real necessity or just a plain old bug???

Reproduce code:
---------------
<?php
function that($it){
    $this = '';
}
?>

or

<?php
    $this = '';
?>

Patches

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 [2006-08-03 17:27 UTC] tony2001@php.net 
This is a real necessity, since you can do <?php class test { function foo () { include "test.php"; }} ?> and reassign $this in test.php.
 [2006-08-04 07:48 UTC] giunta dot gaetano at sea-aeroportimilano dot it 
That's just what I was afraid of (hence my asking for it).

I hoped that the engine would be smarter than that, and figure out the error 'just in time', ie. checking out the scope when finding the assignment and only flagging it as error when inside a class method...

BTW: maybe it should be marked mopre clearly in the manual?
 
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