Re: Assignment in Conditional - How are they evaluated?
| From: | Ashley Sheridan | Date: | Thu, 29 Oct 2009 14:03:58 +0000 |
| Subject: | Re: Assignment in Conditional - How are they evaluated? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-299498@lists.php.net to get a copy of this message | ||
On Thu, 2009-10-29 at 13:58 +0000, Mark Skilbeck wrote:
> How is the following evaluated:
>
> [code]
> if ($data = somefunc()) ...
> [/code]
>
> Ignoring the 'assignment inside condition' arguments, is the return
> value of somefunc() assigned to $data, and then $data's value is
> evaluated (to true or false), or is the actual assignment tested (does
> the assignment fail, etc)?
>
I believe that it determines if the return value of somefunc() is
non-false. It will have the added benefit then that you can use the
return value afterwards if it was, for example, not true, but a string
or something instead.
Thanks,
Ash
http://www.ashleysheridan.co.uk