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Posted by sagejoshua on 12/24/17 11:31
On Mon, 07 Nov 2005 13:53:53 GMT, Michael Winter
<m.winter@blueyonder.co.uk> wrote:
>To elaborate on what Leif wrote, the variable variable constructed above
> is made possible through string concatenation, similar to
>
> var variable = 'foo';
>
> this[variable + 'bar'] = 'Great!'; /* foobar = 'Great!'; */
>
Ah, it all starts to make sense now. You can refer to any variable
using the "global array" this[whatever], and whatever is in the
brackets will be parsed. Very nice tool. My question is, what's so
evil about eval()?
>in ECMAScript. However, rather than using a string literal, the OP has
>written in bar what would normally considered a constant. Indeed, if
>STRICT notices are enabled in PHP, this will be reported in the error log.
>
>It would be better written as:
>
> <?php
> $variable = 'foo';
> ${$variable . 'bar'} = 'Great!';
> print $foobar; /* Great! */
> ?>
Yeah, you're right. I was just being sloppy.
Thanks for all the help.
Josh
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