Re: PHP String convention

Nick Cooper wrote: > 2009/10/28 Jim Lucas: >> Nick Cooper wrote: >>> Hi, >>> >>> I was just wondering what the difference/advantage of these two >>> methods of writing a string are: >>> >>> 1) $string = "foo{$bar}"; >>> >>> 2) $string = 'foo'.$bar; >>> >>> I always use method 2 but have been noticing method 1 more and more in >>> source code. Is this just user preference? >>> >>> I would use a generic search engine but not sure what the first method >>> is called so don't know where to begin my search. >>> >>> Thanks for any help. >>> >>> Nick >>> >> I think it is a matter of personal preference. I prefer method 1 myself. >> >> >> > > 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? > They tell PHP to view the text between the curly braces as a variable that needs interpreting.