On cs, 2007-01-18 at 14:19 +0100, Jochem Maas wrote:
> Bogdan Ribic wrote:
> > Hi all,
> >
> > Try this:
> >
> > $a = '';
> > echo "\{$a}";
> >
> > from php 4, it outputs "{}", from php 5.2 (one that comes with Zend 5.5)
>
> no-one here supports Zend.
>
> > it outputs "\{}", thus breaking existing scripts.
>
> AFAICT the escaping in that string is wrong - the fact that it did work
> the way you want it to is probably sheer luck.
>
> lastly I ran your tests and determined at the least that the 'break'
> occur *prior* to 5.2. at a guess it probably changed in 5.0, here are my results:
>
> # php -r 'echo "php",phpversion(),":\n"; $a = ""; var_dump("\{$s}");' ;
> php5 -r 'echo "php",phpversion(),":\n"; $a = ""; var_dump("\{$s}");'
>
> OUTPUT:
>
> php4.3.10-18:
> string(2) "{}"
> php5.1.2:
> string(3) "\{}"
>
> >
>
> be pragmatic - fix your script :-)
is this the correct form:
$a = '';
echo "\{$a\}";
if I want to get "{}" a result?
(I think it is)
greets
Zoltán Németh
>
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