RE: [PHP] Whacky increment/assignment logic with $foo++ vs ++$foo
| From: | Ashley Sheridan | Date: | Wed, 07 Oct 2009 12:59:23 +0000 |
| Subject: | RE: [PHP] Whacky increment/assignment logic with $foo++ vs ++$foo | ||
| References: | 1 2 3 4 5 6 7 8 9 10 11 12 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-298723@lists.php.net to get a copy of this message | ||
On Wed, 2009-10-07 at 08:54 -0400, tedd wrote:
> At 6:15 PM -0700 10/6/09, Daevid Vincent wrote:
> >Except that:
> >
> >$a = 123;
> >$b = $a++;
> >echo $b; //gives 123, not 124
> >
> >as you logically expect it to and common sense would dictate, regardless of
> >what K&R or anyone else says.
>
> That's not the way I look at it.
>
> $b = $a++;
>
> means to me "take the value of $a and assign to $b and then increment $a."
>
> Whereas:
>
> $b = ++$a;
>
> means to me "increment $a and take the value of $a and assign to $b."
>
> Cheers,
>
> tedd
>
> --
> -----
> http://sperling.com
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> http://earthstones.com
>
Which is exactly the reason for the two operators in C.
Thanks,
Ash
http://www.ashleysheridan.co.uk