Re: Re: drastic memory consumption with a sequenceofexceptions

Thanks, that's all I would ever ask for :) Ron "Andi Gutmans" <andi@zend.com> schreef in bericht news:5.1.0.14.2.20050810070706.042bcec0@localhost... > Hi Ron, > > Indeed exception may lead to leaks in certain cases. We do try and cleanup > as much as possible but the situation you describe is hard to detect. I > will however put it on our TODO list because this case could possibly be > improved on. > > Andi > > At 11:54 AM 8/10/2005 +0200, Ron Korving wrote: > >You're right, using that file to create a big piece of data was just for > >demonstration purposes. In my personal case it's XML parsing. The way I read > >what you just said is that this is behavior by design. But if I don't throw > >Exceptions, memory usage stays constant. Throwing and catching these > >exceptions are the exception-to-the-rule. > > > >Nonetheless, if this is truly by design.. maybe that's something to look > >into for PHP6. > > > >Ron > > > >"Marcus Boerger" <helly@php.net> schreef in bericht > >news:124244453.20050810114522@marcus-boerger.de... > > > Hello Ron, > > > > > > Wednesday, August 10, 2005, 8:47:25 AM, you wrote: > > > > > > > Okay Andi, the script in this message is as simple as it gets. I used a > > > > syslog file to create a load of data in this case, but of course you can > >use > > > > any (text) file for this. > > > > > > > #!/usr/bin/php5 > > > > <? > > > > function process() > > > > { > > > > $data = file("/var/log/syslog.0"); > > > > > > > foreach ($data as $line) > > > > throw new Exception("error"); > > > > > > What makes you think the file would be closed. Erm the array deleted? And > > > that is your problem you are unnecessarily reading all the file into an > > > array. Try using the same with FileObject instead, which should reduce > > > memory usage a lot: > > > > > > foreach(FileObject($file) as $data) throw new Exception("error"); > > > > > > But of course you only did that to demonstrate the memory problem which in > > > fact simply means that we don't do a full stack cleanup like c++ would do > > > here (php != c++). > > > > > > In php we do the cleanup at script termination. That is also the reason > > > why php is not perfectly suitable for console apps especially when it > >comes > > > to daemons. > > > > > > best regards > > > marcus > > > >-- > >PHP Internals - PHP Runtime Development Mailing List > >To unsubscribe, visit: http://www.php.net/unsub.php