On Tue, Oct 5, 2010 at 3:58 PM, Steve Staples <sstaples@xxxxxxxx> wrote: > On Tue, 2010-10-05 at 20:53 +0100, Ashley Sheridan wrote: > > On Tue, 2010-10-05 at 15:46 -0400, Steve Staples wrote: > > > > > On Tue, 2010-10-05 at 20:35 +0100, Ashley Sheridan wrote: > > > > On Tue, 2010-10-05 at 15:28 -0400, chris h wrote: > > > > > > > > > Benchmark and find out! :) > > > > > > > > > > What are you using this for? Unless you are doing something crazy > it > > > > > probably doesn't matter, and you should pick whichever you feel > looks nicer > > > > > / is easier to code in / etc. > > > > > > > > > > Chris H. > > > > > > > > > > On Tue, Oct 5, 2010 at 3:23 PM, saeed ahmed <saeed.sas@xxxxxxxxx> > wrote: > > > > > > > > > > > $a = 'hey'; > > > > > > $b = 'done'; > > > > > > > > > > > > $c = $a.$b; > > > > > > $c = "$a$b"; > > > > > > > > > > > > which one is faster for echo $c. > > > > > > > > > > > > > > > > > > As far as I'm aware, the first of the two will be faster, but only > just. > > > > As Saeed mentioned, the difference will be negligible, and unless you > > > > plan to run a line like that in a loop or something hundreds of > > > > thousands of times, you probably won't notice any difference. > > > > Thanks, > > > > Ash > > > > http://www.ashleysheridan.co.uk > > > > > > > > > > > > > > > > > to be proper, shouldn't it technically be > > > $c = "{$a}{$b}"; > > > > > > ?? > > > > > > Steve. > > > > > > > > > > > > It doesn't have to use the braces. The braces only tell PHP exactly > > where to stop parsing the current variable name. The following examples > > wouldn't work without them: > > > > $var = 'hello '; > > $arr = array('msg 1'=>'hello','msg 2'=>'world'); > > > > echo "{$var}world"; > > echo "{$arr['msg 1']}{$arr['msg 2']}"; > > > > Without the braces, in the first example PHP would look for a variable > > called $varworld, and in the second it would be looking for a simple > > scaler called $arr, not the array value you wanted. > > > > Thanks, > > Ash > > http://www.ashleysheridan.co.uk > > > > > Ash: > > I understand what the {} does, but just like in HTML, it is more proper > to use lower case for the attributes/elements, and use " (double quotes) > when wrapping the attributes... but is it not "REQUIRED" to write it in > that manner... just like it is not required to wrap the variables in {} > when inside the ""... > > that's just me, I tend to try and do that every time... > > Steve. > > Unlike HTML, PHP interpretation doesn't have various browsers to contend with. And even if it was not proper I have a doubt that not using {} would become deprecated anytime soon. Also laziness is a trait of a good programmer! :) http://c2.com/cgi/wiki?LazinessImpatienceHubris Chris H.
