"PHP" php two-dimensional associative array to sort a value ____php

$arr =array
(
[0] =array
(
[id] = 169,
[Sorts] = 4,
[Fans] = 0,
[Created_at] =1413621597
)


[1] =array
(
[id] = 170,
[Sorts] = 5,
[Fans] = 5,
[Created_at] =1418621597
)


[2] =array
(
[id] = 171,
[Sorts] = 1,
[Fans] = 9,
[Created_at] =1413621597
)

)

$arr is a two-dimensional associative array, the Array_multisort () function is required to sort the values of sorts in order/flashback.

The first argument for this function is an array (required, optional), and the second is sort SORT_ASC the default ascending order, Sort_desc descending, and the third sort_regular the default to arrange each item in a regular sequence, sort_numeric in numerical order, sort _string in alphabetical order, the fourth is the outer array $arr

foreach ($arr as $key => $value) {

$temp [$key]= $value [' sorts '];
}

Array_multisort ($temp, SORT_ASC, $arr);

Print_r ($arr);