Find array key and get values in php

Question

joomla/virtuemart/stockable custom fields

I have a multidimensional array (virtuemart $product) and I want to get stock values of child products (and array_sum).

is there an easier way to do this? position may also change. Something like find_key -> get array_sum

if (array_key_exists('customfieldsSorted', $product)) {
    echo array_sum(array_column(
        $product->customfieldsSorted['addtocart'][0]->stockableCombinations->combinations,
        'stock'
    ));
}
//return 999 - this is the value I need


//array
    if (array_key_exists('customfieldsSorted', $product)) {
        print_r($product->customfieldsSorted['addtocart'][0]->stockableCombinations->combinations);
    }

//return

    Array
    (
        [0] => Array
            (
                [product_id] => 72
                [customfield_ids] => Array
                    (
                        [0] => 13
                    )

                [stock] => 99
            )

        [1] => Array
            (
                [product_id] => 73
                [customfield_ids] => Array
                    (
                        [0] => 14
                    )

                [stock] => 99
            )

        [n] => Array
            (......)
    )

Chemaclass · Accepted Answer · 2020-04-17 15:32:22Z

2

Well, I think your solution wasn't bad. But this might help you to improve its readability:

<?php declare(strict_types=1);

function sumColumns(array $list, string $column): int {
    return array_sum(array_column($list, $column));
}

function sumStock(array $fields): int {
    $list = $fields[0]->stockableCombinations->combinations;
    return sumColumns($list, 'stock');
}

// Usage example:
/** This works as a "fixture function" to create a class with some data */
function newProduct(): \stdClass {
    $combinations = new \stdClass();
    $combinations->combinations = [['stock' => 10],['stock' => 20],/*...*/];

    $cart = new \stdClass();
    $cart->stockableCombinations = $combinations;

    $product = new \stdClass();
    $product->customfieldsSorted = ['addtocart' => [$cart]];
    return $product;
}

$product = newProduct();
$stock = 0;
if (isset($product->customfieldsSorted['addtocart'])) {
    $stock = sumStock($product->customfieldsSorted['addtocart']);
}
var_dump($stock); //$stock === 30

edited Apr 17, 2020 at 15:32

answered Apr 17, 2020 at 9:09

Chemaclass

2,02120 silver badges25 bronze badges

Sign up to request clarification or add additional context in comments.

5 Comments

Lubo Over a year ago

ok, but position 'addtocart' may change. I need find 'stockableCombinations' in array and get sum

Chemaclass Over a year ago

Then easy: the sumStock() receive the $fields. So you pass the fields inside "addtocart" as well.

Lubo Over a year ago

hmm, why? 'Cannot use object of type stdClass as array'. pls, repair brackets in 'return array_sum....' and 'if statement'

Chemaclass Over a year ago

Thanks @LubosBelan, what about now?

Lubo Over a year ago

Its fine, thx. Convert object to array, little customize and it works

Collectives™ on Stack Overflow

Find array key and get values in php

1 Answer 1

5 Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

5 Comments

Your Answer

Sign up or log in

Post as a guest

Related