Re: Re: optimilize web page loading

2008. 03. 27, csütörtök keltezéssel 11.13-kor Jason Pruim ezt írta: > 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? :) if you have variables in the mix, concatenation is better than interpolation greets, Zoltán Németh > > > > > > > > -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 > > > >