RE: [PHP] Newbie Question on Efficiency : Follow-up Question

The only reason a compiled language would not include a function/module/etc is to reduce the size of the final executable. Since php doesn't store (barring the caching engines, but they work differently anyway) a compiled version, it doesn't need to worry about not including something. Martin -----Original Message----- From: Michael Kennedy [mailto:mek2600@realitycodec.net] Sent: Wednesday, July 17, 2002 1:36 PM To: php-general@lists.php.net Subject: RE: [PHP] Newbie Question on Efficiency : Follow-up Question Yeah, that's what I figured. With C++ you could find evidence that it only grabbed the used portions, but in PHP I didn't see anything to support that. Of course, like I said, the answer likely wouldn't have made a difference in anything I did, but it's nice to delve a little deeper sometimes. Thanks. Michael -----Original Message----- From: John Holmes [mailto:holmes072000@charter.net] Sent: Tuesday, July 16, 2002 8:05 PM To: mek2600@charter.net; php-general@lists.php.net Subject: RE: [PHP] Newbie Question on Efficiency : Follow-up Question PHP loads everything up before it starts doing anything. It's only going to execute the code it needs to, though, of course. I asked this question a while ago and got that answer. The process of loading all of the code is minimal, though, compared the actually executing the code. ---John Holmes... > -----Original Message----- > From: Michael Kennedy [mailto:mek2600@realitycodec.net] > Sent: Tuesday, July 16, 2002 7:26 PM > To: php-general@lists.php.net > Subject: RE: [PHP] Newbie Question on Efficiency : Follow-up Question > > OK, if I understand C++ correctly, if I write a program and #include > <iostream.h> or something similar and compile the program it only > compiles with the used functions in it, right? So, if I never use 'cin' > it leaves that function out of the final complied app. > > Does/can PHP do anything similar? I'm always much more comfortable with > a language when I can understand how it works and I'm sure some of you > feel the same. > > Now, I fully understand that PHP documents are not even close to being > compiled in the traditional sense. But, I'm wondering if it pulls all > the necessary functions into memory when the page is accessed, then uses > them when needed, or does it pull the whole include()d file into memory > and just combine the whole mess together into one big memory heap and > run like that? > > My gut tells me that it's the second one, but I'm just wanting to be > sure. Of course, the answer likely won't make a single difference in my > life, but I'm just curious... Also, I hope the above question isn't > stupid. I do have a habit of thinking about something for a while and > then having it suddenly hit me later that the answer is simple very > trivial. Ah, well... > > Thanks for humoring me. > Michael > > -----Original Message----- > From: Monty [mailto:monty3@hotmail.com] > Sent: Tuesday, July 16, 2002 5:44 PM > To: php-general@lists.php.net > Subject: Re: [PHP] Newbie Question on Efficiency > > If you have have a large number of functions, it might be better to > separate > them into a few files that you can include as needed. I use one file > that > contains functions needed by every page. I have a few other files that > contain functions that aren't needed by every page, so, I include them > only > on pages that need them. But most functions go in the main include file > used > on every page. > > Separating them will also minimize some overhead if you have a lot of > functions. Otherwise, if your include files aren't War & Peace in > length, > one include file is fine. > > > >>>> mek2600@realitycodec.net 07/16/02 04:59PM >>> > > Hello everyone, I'm a newbie and have a question on style that I've > not > > seen addressed anywhere. I have a large number of frequently used > > functions that I'm trying to find a good way to organize. The method > > I'm thinking of using is to simply create a .php file called, for > > example, functions.php. Then, just include the file at the top of > each > > page that needs any of the functions, and just call them as needed. > My > > question is this- if that file gets very large with tons of different > > functions, is that an inefficient method? I'm not entirely clear on > how > > PHP is parsed and passed to the client. I assume it would be best to > > divide up the functions into multiple files (ex. dbfunctions.php, > etc.), > > but is that still the best method? Basically, I'm just curious on how > > you guys handle things like this. > > > > Thanks in advance. > > Michael Kennedy > > > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php