how to calculate data in multidimensional array php

Question

guys is that possible to calculate between (+,-,*,/) in multidimensional array?

example i have a multidimensional array in $menu_info with this following code :

array(3) {
  [0]=>
  array(5) {
    ["menu_order_id"]=>
    string(3) "190"
    ["menu_name"]=>
    string(13) "Golden Salmon"
    ["menu_variant"]=>
    string(0) ""
    ["qty"]=>
    string(1) "1"
    ["price"]=>
    string(4) "15.4"
  }
  [1]=>
  array(5) {
    ["menu_order_id"]=>
    string(3) "191"
    ["menu_name"]=>
    string(13) "Golden Salmon"
    ["menu_variant"]=>
    string(0) ""
    ["qty"]=>
    string(1) "1"
    ["price"]=>
    string(4) "15.4"
  }
  [2]=>
  array(5) {
    ["menu_order_id"]=>
    string(3) "192"
    ["menu_name"]=>
    string(13) "Golden Salmon"
    ["menu_variant"]=>
    string(0) ""
    ["qty"]=>
    string(1) "1"
    ["price"]=>
    string(4) "15.4"
  }
}

i want trying to calculate all of the price*qty like (15*1)+(15*1)+(15*1) guys how to count the multidimensional array using math operator ?

thank you very much (:

p.s the length of array can be change.

have a look at stackoverflow.com/questions/16138395/…

Chetan Ameta
– Chetan Ameta

2016-07-12 05:14:01 +00:00
Commented Jul 12, 2016 at 5:14 — Chetan Ameta
– Chetan Ameta, Commented Jul 12, 2016 at 5:14

Ismail RBOUH · Accepted Answer · 2016-07-12 05:19:36Z

1

You can try this:

$sum = array_sum(array_map(function($item) {
    return $item['price']*$item['qty'];
}, $menu_info));

With some more explanation on your specific issue, I may be able to assist you in better alternatives.

edited Jul 12, 2016 at 5:19

answered Jul 12, 2016 at 5:14

Ismail RBOUH

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2 Comments

Kelvin Over a year ago

which part i need to explain more?, my array are in $menu_info

Ismail RBOUH Over a year ago

You are welcome ;) If this solves the problem, you should mark it as accepted (so people facing the same problem in the future will be able to spot it easily).

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