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Re: Array variable in echo statement [message #169786 is a reply to message #169784]

Sun, 26 September 2010 19:22

Captain Paralytic
Messages: 204
Registered: September 2010

Karma:

Senior Member

On Sep 26, 7:59 pm, MikeB <mpbr...@gmail.com> wrote:
> Marious Barrier wrote:
>> On 09/26/2010 02:24 PM, MikeB wrote:
>
>>> I tried this and it didn't work as I was hoping:
>
>>> foreach ($_COOKIE as $c) {
>>> $ck = key($_COOKIE);
>>> echo "<br /> Cookie: Key:\"{key($_COOKIE)}\" value:\"$c\"";
>>> }
>
>>> Now while I got this to work:
>
>>> foreach ($_COOKIE as $ck => $c) {
>>> echo "<br /> Cookie: Key:\"$ck\" value:\"$c\"";
>>> }
>
>>> I'd still like to know why the curly braces in the first example didn't
>>> resolve the array function - I thought that was what they were supposed
>>> to do
>
>> The curly braces are meant to wrap array variables, not functions.
>
> Right. Thanks. So that mean that if I want the result of a function in
> an output statement I should put it in a variable prior to the output
> statement?
>
> Like this:
>
> $ck=key($_COOKIE);
> echo "The key is $ck";
>
> rather than:
>
> echo "The key is key($_COOKIE)";
>
> Which I know won't work and is why I thought the curly braces was meant
> to resolve, but I guess I misread/misunderstood that part as well.

Or:
echo 'The key is '.key($_COOKIE);

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[Message index]

		Array variable in echo statement By: MikeB on Sun, 26 September 2010 18:24
		Re: Array variable in echo statement By: Marious Barrier on Sun, 26 September 2010 18:41
		Re: Array variable in echo statement By: MikeB on Sun, 26 September 2010 18:59
		Re: Array variable in echo statement By: Marious Barrier on Sun, 26 September 2010 19:10
		Re: Array variable in echo statement By: Captain Paralytic on Sun, 26 September 2010 19:22
		Re: Array variable in echo statement By: Michael Fesser on Sun, 26 September 2010 20:46

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