Re: ${}
| From: | Colin Guthrie | Date: | Wed, 25 Apr 2007 14:09:12 +0000 |
| Subject: | Re: ${} | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-253709@lists.php.net to get a copy of this message | ||
Robert Cummings wrote:
> On Wed, 2007-04-25 at 21:23 +0800, Man-wai Chang wrote:
>> where can I find the documentation about this "symbol"?
>
> Maybe in the documentation? A cursory glance from me though didn't turn
> anything up. Either way I can inform you of the purpose...
>
> The following two expression have the same result:
>
> $foo = 5;
> ${'foo'} = 5;
It's also useful to separate out your vars when using replacements in
double quotes..
cf.
$like = "Hmmm";
$var1 = "Something $like_this";
vs.
$var2 = "Something ${like}_that";
$var1 = "Something " + PHP Notice
$var2 = "Something Hmmm_that";
Col.