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Posted by Bosconian on 04/18/06 09:58
"Jerry Stuckle" <jstucklex@attglobal.net> wrote in message
news:4_-dnZ_9ONr4x9nZRVn-jA@comcast.com...
> Bosconian wrote:
> > I have an array defined as follows:
> >
> > $scores[2] = 19;
> > $scores[4] = 25;
> > $scores[2] = 23;
> > $scores[4] = 25;
> >
> > ... where the key is the team # and the value is the points.
> >
> > I am outputting the key/values as follows:
> >
> > foreach ($scores as $team => $points) {
> > echo "Team: $team, Points: $points, Difference: " . ($scores[0] -
> > $scores[1]) . "<br>";
> > $scores = array_reverse($scores, false);
> > }
> >
> > Curent output (before array_reverse):
> >
> > Game 1
> > Team: 2, Points: 19, Difference: 0
> > Team: 4, Points: 25, Difference: 6
> >
> > Game 2
> > Team: 2, Points: 23, Difference: 0
> > Team: 4, Points: 25, Difference: 2
> >
> >
> > A problem occurs when calculating the point "Difference". The first pass
of
> > the foreach loop (above) is incorrect, but the second pass is correct
> > (below.) This is due from the use of the function array_reverse(). By
> > setting the preserve_keys to false, the function changes the structure
of
> > the array.
> >
> > Desired output (after array_reverse):
> >
> > Game 1
> > Team: 2, Points: 19, Difference: -6
> > Team: 4, Points: 25, Difference: 6
> >
> > Game 2
> > Team: 2, Points: 23, Difference: -2
> > Team: 4, Points: 25, Difference: 2
> >
> >
> > Question: how can the above array be structured like this from the
start?
> >
> >
>
> Well, first of all:
>
> $scores[2] = 19;
> $scores[4] = 25;
> $scores[2] = 23;
> $scores[4] = 25;
>
> doesn't work. You have scores[2] contain both 19 and 23, which you can't
do.
>
> Secondly, the line:
>
> echo "Team: $team, Points: $points, Difference: " . ($scores[0] -
> $scores[1]) . "<br>";
>
> Would always print the difference between $scores[0] and $scores[1] - that
is, -6.
>
> So - what's your real code look like?
>
>
> --
> ==================
> Remove the "x" from my email address
> Jerry Stuckle
> JDS Computer Training Corp.
> jstucklex@attglobal.net
> ==================
Indeed, $scores[0] and $scores[1] will equal -6 once the elements are
properly defined, which was the thrust of my dilemma.
The above example was meant to illustrate the values were being pushed. My
bad.
So
$scores[2][] = 19;
$scores[4][] = 25;
$scores[2][] = 23;
$scores[4][] = 25;
resulting in
$scores[2][0] = 19;
$scores[4][0] = 25;
$scores[2][1] = 23;
$scores[4][1] = 25;
ANYWAY, I managed to get everything sorted out once my keys and values were
properly defined.
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