Re: Re: optimilize web page loading

Jason Pruim wrote: > > On Mar 27, 2008, at 11:05 AM, Shawn McKenzie wrote: >> Al wrote: >>> Good point. I usually do use the single quotes, just happened to key >>> doubles for the email. >>> >>> Actually, it's good idea for all variable assignments. >>> >>> Philip Thompson wrote: >>>> On Mar 26, 2008, at 6:28 PM, Al wrote: >>>>> Depends on the server and it's load. I've strung together some >>>>> rather large html strings and they aways take far less time than the >>>>> transient time on the internet. I used to use OB extensively until >>>>> one day I took the time to measure the difference. I don't recall the >>>>> numbers; but, I do recall it was not worth the slight extra trouble >>>>> to use OB. >>>>> >>>>> Now, I simple assemble by html strings with $report .= "foo"; And >>>>> then echo $report at the end. It also makes the code very easy to >>>>> read and follow. >>>> >>>> You might as well take it a step further. Change the above to: >>>> >>>> $report .= 'foo'; >>>> >>>> This way for literal strings, the PHP parser doesn't have to evaluate >>>> this string to determine if anything needs to be translated (e.g., >>>> $report .= "I like to $foo"). A minimal speedup, but nonetheless... >>>> >>>> ~Philip >>>> >>>> >>>>> Andrew Ballard wrote: >>>>>> On Wed, Mar 26, 2008 at 1:18 PM, Al <news@ridersite.org> wrote: >>>>>>> You are really asking an HTML question, if you think about it. >>>>>>> >>>>>>> At the PHP level, either use output buffering or assemble all your >>>>>>> html string as a variable and >>>>>>> then echo it. The goal is to compress the string into the minimum >>>>>>> number of packets. >>>>>> Yes, but do so smartly. Excessive string concatenation can slow >>>>>> things >>>>>> down as well. On most pages you probably won't notice much >>>>>> difference, >>>>>> but I have seen instances where the difference was painfully obvious. >>>>>> Andrew >> >> Yes and if your script takes .00000000000000000000000000000002 seconds >> to run using double quotes it will only take >> .000000000000000000000000000000019 seconds with single (depending upon >> how many quotes you have of course) :-) > > I'm coming in late to this thread so sorry if I missed this :) > > How much of a difference would it make if you have something like this: > echo "$foo bar bar bar bar $foo $foo"; verses: echo $foo . "bar bar bar > bar" . $foo $foo; ?In other words... You have a large application which > is most likely to be faster? :) > > >> >> >> -Shawn >> >> -- >> PHP General Mailing List (http://www.php.net/) >> To unsubscribe, visit: http://www.php.net/unsub.php >> >> > > -- > > Jason Pruim > Raoset Inc. > Technology Manager > MQC Specialist > 3251 132nd ave > Holland, MI, 49424-9337 > www.raoset.com > japruim@raoset.com > > > I would assume your 2 examples to be the same because the point is that the PHP interpreter must parse for vars to substitute when it encounters double-quotes whether there are any vars in it or not. With single-quotes the interpreter does not have to worry about it. Regardless, the speed diff is probably negligible, hence my flame inviting post. :-) -Shawn