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Bug #67989 object_spl_hash give to identical values
Submitted: 2014-09-09 19:50 UTC Modified: 2014-09-09 20:49 UTC
From: dipsik at gmail dot com Assigned:
Status: Closed Package: hash related
PHP Version: 5.5.16 OS: windows 7
Private report: No CVE-ID: None
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 [2014-09-09 19:50 UTC] dipsik at gmail dot com 
Description:
------------
Version tested with 5.4, 5.5.13, 5.5.16

I use symfony and doctrine.
In sometime doctrine creates hash map array with spl_object_hash for proxy object "Foo"
Then, there is my buiseness logic, and in sometime I create new object "Bar" (not Customer), which spl_object_hash is in doctrine hash array. I marked that, when my object "Bar" cant persist in my database, because doctrine find hash from other object "Foo" and think object is managed.

I noticed, that any object created before "Bar" become with the same object hash, and Bar has different hash.
So, only order of init objects are influence to object hash.

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 [2014-09-09 19:52 UTC] dipsik at gmail dot com 
I create new object "Bar" (not Customer)

-- I mean "not Foo",
 [2014-09-09 20:16 UTC] requinix@php.net
-Status: Open +Status: Feedback
 [2014-09-09 20:16 UTC] requinix@php.net 
Thank you for this bug report. To properly diagnose the problem, we
need a short but complete example script to be able to reproduce
this bug ourselves. 

A proper reproducing script starts with <?php and ends with ?>,
is max. 10-20 lines long and does not require any external 
resources such as databases, etc. If the script requires a 
database to demonstrate the issue, please make sure it creates 
all necessary tables, stored procedures etc.

Please avoid embedding huge scripts into the report.

spl_object_hash() only guarantees uniqueness for objects that still exist in memory, but it doesn't sound like that's the issue here.
 [2014-09-09 20:20 UTC] dipsik at gmail dot com
-Status: Feedback +Status: Open
 [2014-09-09 20:20 UTC] dipsik at gmail dot com 
In xdebug I see two differnt objects (with different class) with same hash.
 [2014-09-09 20:21 UTC] requinix@php.net
-Status: Open +Status: Feedback
 [2014-09-09 20:21 UTC] requinix@php.net 
Thank you for this bug report. To properly diagnose the problem, we
need a short but complete example script to be able to reproduce
this bug ourselves. 

A proper reproducing script starts with <?php and ends with ?>,
is max. 10-20 lines long and does not require any external 
resources such as databases, etc. If the script requires a 
database to demonstrate the issue, please make sure it creates 
all necessary tables, stored procedures etc.

Please avoid embedding huge scripts into the report.

^ Read that.
 [2014-09-09 20:49 UTC] dipsik at gmail dot com
-Status: Feedback +Status: Closed
 [2014-09-09 20:49 UTC] dipsik at gmail dot com 
Now i think its Doctine bug, not php. Close it.
 
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