I fell for this some time ago - but the trick is that
1. You don't do for ($i=0; $i<99999999999; $i++) { echo "Line $i<br>\n";
} in real life - you do stuff, call object methods, run queries,
whatever, and in between those you have both html and php - and the
remote machine waits for you to do all the "extra" stuff and _then_
waits for you to switch in and out of php for several times. I'm
thinking about switching in and out of php in a "really-mixed" context -
such as having blocks of html inside if() and while() blocks, stuff like
that where you get to parse quite a number of php tags.
2. Your server doesn't only serve one client at a time - I'm surprised
that you're starting with commercial sites and this piece of information
isn't *always* present in your mind.
However, as I said in my original mail, "there's an urban legend saying
that [...] I don't know if that's true". So... I don't know if it
actually slows things down or not.
Bogdan
Marcelo Leitner wrote:
>On Mon, Jun 03, 2002 at 03:16:10AM +0300, Bogdan Stancescu wrote:
>
>
>>2. Speed
>>There's an urban legend saying that switching php tags on and off would
>>slow parsing down. I don't know if that's true and try to write "pure"
>>php as you call it due to the first reason.
>>
>>
>
>I don't mind about this.. I'm starting with comercial pages now and before that
>I noted that any script you run at the server, you will only see this latency
>if the output is buffered or you have a ultra-fast machine with a
>super-powerfull navigator that can renderize the page before it's fully sent to
>the browser..
>Try doing something like for ($i=0; $i<99999999999; $i++) { echo "Line $i<br>\n"; }
>Run the script in one machine and the browser at another.. you'll see that the
>client machine has the cpu burned much more then the server..
>You can see this when you're trying to open that big-flat-forums
>all-in-one-page.. you'll get sometime 1. to receive that, 2. to renderize..
>Note that you can only see the renderizing time if you're on a fast connection..
>
>What I do take care is about excessive database searchs.. that can slow down
>the things since I'll probably will not have a reserved server..
>
>
>
>>Bogdan
>>
>>
>---end quoted text---
>
>[]'s
>
>
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