Re: PHP String convention

On Wed, 2009-10-28 at 18:18 +0100, Kim Madsen wrote: > Hi Nick > > Nick Cooper wrote on 2009-10-28 17:29: > > > Thank you for the quick replies. I thought method 2 must be faster > > because it doesn't have to search for variables in the string. > > > > So what is the advantages then of method 1 over 3, do the curly braces > > mean anything? > > > > 1) $string = "foo{$bar}"; > > > > 2) $string = 'foo'.$bar; > > > > 3) $string = "foo$bar"; > > > > I must admit reading method 1 is easier, but writing method 2 is > > quicker, is that the only purpose the curly braces serve? > > Yes, you're right about that. 10 years ago I went to a seminar were > Rasmus Lerforf was speaking and asked him exactly that question. The > single qoutes are preferred and are way faster because it doesn´t have > to parse the string, only the glued variables. > > Also we discussed that if you´re doing a bunch of HTML code it's > considerably faster to do: > > <tr> > <td><?= $data ?></td> > </tr> > > Than > print " > \n\t<tr> > \n\t\t<td>$data</td> > \n\t</tr>"; > > or > print ' > <tr> > <td>'.$data.'</td> > </tr>'; > > I remember benchmark testing it afterwards back then and there was > clearly a difference. > > -- > Kind regards > Kim Emax - masterminds.dk > Or, far easier still to do: print <<<EOC <tr> <td>$data</td> </tr> <tr> <td>$data</td> </tr> EOC; than: <tr> <td><?= $data ?></td> </tr> <tr> <td><?= $data ?></td> </tr> Also, the use of short tags in the second example will almost certainly cause problems later on if you want to do anything with XML output from PHP. Thanks, Ash http://www.ashleysheridan.co.uk