CODEWITHSUNDEEP
phparrayssorting
mydeve
mydeve

Reputation: 563

sort associative multi array by key value

below is my array , i want to sort in by price in asc order.

i wrote below code 

Array
(
    [105493] => Array
        (
            [info] => Array
                (
                    [price] => $50.00
                    [hazmat] => Not Required
                )
        )

    [105494] => Array
        (
            [info] => Array
                (
                    [price] => $93.60
                    [hazmat] => Not Required
                )

        )

    [105495] => Array
        (
            [info] => Array
                (
                    [price] => $198.00
                    [hazmat] => Not Required
                )
        )

    [105496] => Array
        (
            [info] => Array
                (
                    [price] => $662.00
                    [hazmat] => Not Required
                )
        )
)

i worte below code to sort it

function customer_sort ($a, $b) {

    if ($a['info']['price'] == $b['info']['price']) {
        return 0;
    }
    return $a['info']['price'] > $b['info']['price'] ? 1 : -1;
}
uasort($assc_product_data, 'customer_sort');

but my code is not woking fine how can i solve issue

Upvotes: 0

Views: 43

Answers (1)

Barmar
Barmar

Reputation: 780899

You need to remove the $ before comparing the prices:

function customer_sort($a, $b)
    if ($a['info']['price'] == $b['info']['price']) {
        return 0;
    }
    return substr($a['info']['price'], 1) > substr($b['info']['price'], 1) ? 1 : -1;
}

You could also use the built-in function strnatcmp:

function customer_sort($a, $b) {
    return strnatcmp($a['info']['price'], $b['info']['price']);
}

Upvotes: 2

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