Re: Re: optimilize web page loading

On Fri, 2008-03-28 at 09:31 +0100, Zoltán Németh wrote: > 2008. 03. 28, péntek keltezéssel 09.19-kor Zoltán Németh ezt írta: > > 2008. 03. 27, csütörtök keltezéssel 10.21-kor Shawn McKenzie ezt írta: > > > 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? :) > > > > > > > > > > > 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. :-) > > > > > ehh my answer is meant to be here: It's still wrong >:) > > nope. it parses both, since you may have escaped characters within > > single quotes too. so the difference only comes in when you actually > > have a variable in the string. > > sorry its morning ;) Aaah, that's why you're confused :P ;) Cheers, Rob. -- http://www.interjinn.com Application and Templating Framework for PHP