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Request #38298 serializing of simplexml objects
Submitted: 2006-08-02 15:19 UTC Modified: 2006-08-02 16:24 UTC
Votes:2
Avg. Score:4.5 ± 0.5
Reproduced:1 of 2 (50.0%)
Same Version:1 (100.0%)
Same OS:1 (100.0%)
From: aeldarin at hotmail dot com Assigned:
Status: Not a bug Package: Feature/Change Request
PHP Version: 5.1.4 OS: Windows
Private report: No CVE-ID: None
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 [2006-08-02 15:19 UTC] aeldarin at hotmail dot com 
Description:
------------
http://www.php.net/manual/en/function.serialize.php says that built-in objects can't be serialized.

This also means that SimpleXML objects can NOT be stored in the Memcached server since PHP automatically (un)serializes content stored/retrieved to/from Memcached.

What happens is that hundreds of "Node does not exist"-warnings are reported by the memcached-api (via unserialize) when trying to retrieve the SimplXML object.

Being able to easily and efficiently cache SimpleXML with Memcached would be tremendously helpful.

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 [2006-08-02 15:33 UTC] tony2001@php.net 
There is no way to store internal data structures as text.
 [2006-08-02 16:22 UTC] aeldarin at hotmail dot com 
I guess SimpleXML employs a lot of referencing pointers for performance reasons which makes it not possible to serialize without some intermediary which would do a sort of "memblock" with relative pointers/indexes ? Such a intermediary layer for serializing would mean a lot of work, I guess.
 [2006-08-02 16:24 UTC] aeldarin at hotmail dot com 
Or perhaps the performance gain on serializing the SimpleXML object with such translation neccessary would be minimal compared to reparsing an XML representation ? Hmmm ...
 
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