sort multidimentional array by multiple value

Question

i have array like this,

Array
(
  [341] => Array
    (
        [id] => 2034
        [name] => Basic
        [file] => 577688a31d889.svg
        [order] => 12
    )

  [342] => Array
    (
        [id] => 2065
        [name] => Bold
        [file] => 579af7d384970.svg
        [order] => 0
    )

  [344] => Array
    (
        [id] => 2036
        [name] => Modern
        [file] => 577688a37fe1b.svg
        [order] => 10
    )

  [1869] => Array
    (
        [id] => 2066
        [name] => Professional
        [file] => 579af7d3c0774.svg
        [order] => 0
    )

  [335] => Array
    (
        [id] => 2033
        [name] => Favourites
        [file] => 577688a2e0502.svg
        [order] => 0
    )

  [1870] => Array
    (
        [id] => 2067
        [name] => traditional
        [file] => 579af7d3f231a.svg
        [order] => 0
    )
)

I want to sort it by desc for order. But if order is same then sort it by its name asc. And i also want to keep key of array. i tried some solutions but not worked well for me and in some solutions it waived key.

usort($data, function($a, $b) { 
    $rdiff = $a['order'] - $b['order'];
    if ($rdiff) return $rdiff; 
     return $a['name'] - $b['name']; 
});

so according to given array, output should be like this, 341, 344, 342 335, 1869, 1870.

@NanaPartykar i updated my question

Himanshu Bhardiya
– Himanshu Bhardiya

2016-07-30 06:40:38 +00:00
Commented Jul 30, 2016 at 6:40 — Himanshu Bhardiya
– Himanshu Bhardiya, Commented Jul 30, 2016 at 6:40

RomanPerekhrest · Accepted Answer · 2016-07-30 06:52:35Z

2

The solution using uasort and strcasecmp functions:

// $arr is your initial array
uasort($arr, function ($a, $b) {
    if ($a['order'] == $b['order']){
        return strcasecmp($a['name'], $b['name']);
    } else {
        return $b['order'] - $a['order'];
    }
});

print_r($arr);

DEMO link

answered Jul 30, 2016 at 6:52

RomanPerekhrest

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