How to add multidimensional array values in a loop

Question

I have 52 weeks array's and each week array has a sub array with 9 values. now I need to add a value 0 at the begin of each array and every next week I need 1 value more.

For example (notice that the 0-8 will be in a for loop)

    $vruchtzettings_week["week1"][0-8] = 1, 2, 3, 4, 5, 6, 7, 8, 9
    $vruchtzettings_week["week2"][0-8] = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
    $vruchtzettings_week["week3"][0-8] = 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
    $vruchtzettings_week["week4"][0-8] = 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

Fix your question title please. In a list of questions it tells me nothing about this question (other than, frankly, to avoid it...) — Lightness Races in Orbit
– Lightness Races in Orbit, Commented Jan 15, 2014 at 18:08
eum a good link to find answers to this question: google.com — Gert B.
– Gert B., Commented Jan 15, 2014 at 18:09
just write down loops for each statement (sum) and then you'll see how to write second loop. — Abyx
– Abyx, Commented Jan 15, 2014 at 18:12

Mike Perrenoud · Accepted Answer · 2014-01-15 18:12:57Z

3

Though I can't really test it, I believe this would do it for you. What you're doing is really convoluted.

$week = 1;
while ($week <= 52) {
  $sum = 0;

  for ($sub = 0; $sub < 9; $sub++, $week++;) {
    $totaal_vruchtzetting_week[$week] = $totaal["week$week"][$sub] + $sum;
    $sum += $totaal["week$week"][$sub];
  }
}

Like I said, you will probably have to tweek this a little. But it will get you started.

answered Jan 15, 2014 at 18:12

Mike Perrenoud

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