Shawn McKenzie wrote: > 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 $foo"). A minimal speedup, but nonetheless... >>>>> >>>>> ~Philip >>>>> >>>>> >>>>>> Andrew Ballard wrote: >>>>>>> On Wed, Mar 26, 2008 at 1:18 PM, Al <news@xxxxxxxxxxxxx> wrote: >>>>>>>> You are really asking an HTML question, if you think about it. >>>>>>>> >>>>>>>> At the PHP level, either use output buffering or assemble all your >>>>>>>> html string as a variable and >>>>>>>> then echo it. The goal is to compress the string into the minimum >>>>>>>> number of packets. >>>>>>> Yes, but do so smartly. Excessive string concatenation can slow >>>>>>> things >>>>>>> down as well. On most pages you probably won't notice much >>>>>>> difference, >>>>>>> but I have seen instances where the difference was painfully obvious. >>>>>>> Andrew >>> Yes and if your script takes .00000000000000000000000000000002 seconds >>> to run using double quotes it will only take >>> .000000000000000000000000000000019 seconds with single (depending upon >>> how many quotes you have of course) :-) >> I'm coming in late to this thread so sorry if I missed this :) >> >> How much of a difference would it make if you have something like this: >> echo "$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@xxxxxxxxxx >> >> >> > 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 Actually: echo $foo . "bar bar bar bar" . $foo $foo; Should be: echo $foo . "bar bar bar bar" . $foo . " " . $foo; So this would be 'slower' because there are 2 separate instances of double-quotes for the interpreter to parse for vars. -Shawn -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
