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Posted by Peter Pei on 09/28/79 12:01
"Daniel Ennis" <daniel@fanetworks.net> wrote in message
news:02f54616$0$5189$c3e8da3@news.astraweb.com...
> Anze wrote:
>> Hi!
>>
>> I was trying to get the answer on the net but I only found partial
>> answers -
>> I hope someone can help me out...
>>
>> I am looking for an XML parser that would:
>> 1) validate XML before doing anything
>> 2) be fast
>> 3) allow parsing of big XML documents (small memory footprint)
>>
>> I am implementing a system that will fetch XMLs from multiple sites
>> across
>> the Internet and enter the data to the local database. Since the
>> connections (and vendor implementators ;) are unreliable I need to be
>> sure
>> that the XML is well formed before doing anything.
>> The XMLs can be very big and the hosts number is also big, which means he
>> parser needs to be fast and memory efficient. Options I have found:
>> a) DOM - not suitable because of 3)
>> b) SAX
>> c) pull parsers
>>
>> What are the differences between SAX and pull parsers performance wise? I
>> have already implemented both types in the past, but never on the same
>> project so I could compare them.
>>
>> I don't really care about difficulty of programming them as they are both
>> quite easy to work with once you understand them. Also, I will only be
>> parsing one XML at a time, so there is no advantage of pull parser here.
>> I would appreciate any thoughts on performance of both XML parser
>> classes,
>> and especially some pointers about which parser would be the most
>> efficient... What would you use?
>>
>> Thank you!
>>
>> Kind regards,
>>
>> Anze
>
> Have you looked into SimpleXML? Its a native built in XML Parser in PHP5,
> so of course the performance is going to be alot faster.
>
> Not sure about how it handles large documents though. It essentially
> builds it into an array like $root->cds->cd[1]->artist->value;
You have a very bad taste with simplexml. That's not the way a sane person
will use SimpleXML. Learn XML more, before you answer any question.
>
> --
> Daniel Ennis
> faNetworks.net - Quality Web Hosting and Ventrilo Services
> System Administrator / Web Developer
> PHP Developer for 6 years
> daniel@fanetworks.net
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