Re: Includes eating up my time

Consider using the __autoload() function in php.
(also the SPL autoloading features).
It's a way to tell php to load a file when it cannot find a definition for a
CLASS (only for classes).
I don't know how you have set-uped your project, but in mine the only place
in the project where I use include is thie __autoload() function.

In other words - php supports load-on-demand for classes.

Check out http://php.net/__autoload

Regards,
Emil Ivanov
"Dave M G" <martin@xxxxxxxxxxxxx> wrote in message
news:46AF0212.9020906@xxxxxxxxxxxxxxxx
PHP general list,

This is probably obvious to people who are good at PHP, but I'm

I have a PHP based CMS (content management system) built, which has grown
and become quite robust. It's now spread out over about 30 files, and each
file represents one class within the object oriented design. Each are a
couple hundred lines of code, and two or three of the most critical
classes are over a thousand lines of code.

While first building it, I didn't really anticipate quite that many files.
What I did is have a file called "includes.php", which list all the files
to be included. Then I in turn included "includes.php" at the beginning of
my "index.php" file. Every page request passes through the "index.php"
file, so that basically means every single file is included at the start
of every new page request.

I'm using Zend Studio, which has a "profile" option, which shows how long
it takes for my PHP scripts to complete a request. It has a breakdown
showing percentages of which scripts are using that processing time.

Currently, my processes are taking under a second, but they can be around
half a second or more. Although it all happens too fast for me to really
notice as a person, it seems to me that a half second of processing time
might be kind of long and lead to scalability problems.

My first question is: Is a half second too long? I'm pretty sure it is,
but maybe I'm just being paranoid. What do people consider to be
acceptable time frames for processing a web page similar to what Wikipedia
delivers?

Most of the time is taken with the includes. Anywhere from 60% to 90% of
the time it takes to process my scripts is coming from the includes.php
file.

I read somewhere that it's not a good idea to have more than 10 includes
in any one place. I'm fine with trying to break up my include requests,
but I'm unsure as to how. As each function in each class passes around
objects, it's not clear from looking at the code which ones are used at
any one time, so I'm unsure how to efficiently include only the necessary
classes.

My second question is: Is there a systematic way of determining how to
incrementally include files that people use? Or is it just a constant
process of testing and checking?

Thank you for any advice.

--
Dave M G
Ubuntu Feisty 7.04
Kernel 2.6.20-16-386
.

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