PHP Session ID Duplication?

Question

Possible Duplicate:
How unique is the php session id

Can there be a duplicate PHP Session ID?

I have not had this problem, but i want to see if this could be a issue in the future.

Does memory corruption count as a reason? – hakre Jun 16 '11 at 01:03 — hakre, Jun 16 '11 at 01:03

score 4 · Accepted Answer · answered Jun 16 '11 at 00:29

4

It is possible, but unlikely in most cases.

answered Jun 16 '11 at 00:29

joakimdahlstrom

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Are you sure that PHP would really do that? – hakre Jun 16 '11 at 01:03
That PHP assigns the same session number by design (albeit not always). – hakre Jun 16 '11 at 01:26
@hakre: huh? assigns where? session id is calculated on some "random" parameters – zerkms Jun 16 '11 at 01:31
""random"" seems to match it. – hakre Jun 16 '11 at 01:41

score 0 · Answer 2 · 2012-08-21T23:30:51.320

0

If I were one of php's developers I would check wether the generated session id matches any of existing ones, and generate a new one until I get unique data. And if I saw this way, I'm sure of php developers did indeed

edited Aug 21 '12 at 23:30

answered Jun 16 '11 at 01:19

PHP Session ID Duplication?

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