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Bug #60338 SplFixedArray::key returns index for invalid keys
Submitted: 2011-11-19 13:32 UTC Modified: 2016-03-20 18:15 UTC
Avg. Score:3.0 ± 0.0
Reproduced:0 of 0 (0.0%)
From: Assigned: levim (profile)
Status: Wont fix Package: SPL related
PHP Version: 5.4SVN-2011-11-19 (SVN) OS:
Private report: No CVE-ID: None
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 [2011-11-19 13:32 UTC]
SplFixedArray::key() will return a value even when the key does not exist in the SplFixedArray. This does not conform to the behavior we have in regular arrays, ArrayObject and ArrayIterator. SplFixedArray::key() should return NULL when the current key does not exist to conform.

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Expected result:

Actual result:


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 [2011-11-19 13:38 UTC]
Apparently the Expected Output is achieved when using key() instead of SplFixedArray::key(). See Thanks to NikiC for pointing it out.
 [2013-09-21 23:38 UTC]
I personally don't see why we should bring this into line with array, ArrayObject 
and ArrayIterator behavior. The fact of the matter is simple: you are calling 
`key()` on an iterator that is not in a valid state; therefore the behavior is 
undefined. The fact that array and the other classes you mention return `NULL` is 
an implementation detail, the only one of which I believe is guaranteed is the 
case of an array.
 [2014-02-27 04:54 UTC]
-Assigned To: +Assigned To: levim
 [2016-03-20 18:15 UTC]
-Status: Assigned +Status: Wont fix
 [2016-03-20 18:15 UTC]
Agree with Levi: The return value of key() and other Iterator methods on an invalidated iterator is undefined.
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