使用键值[duplicate]在php中对多维数组进行排序

Question

This question already has an answer here:

• How can I sort arrays and data in PHP? 10 answers

I want to sort the below array using php. The array should sort by value of services [0][1]...

Array
(
[Services] => Array
    (
        [0] => Travel & Hotels  ~72
        [1] => Automotive~119
        [3] => Professional Services~71
        [4] => Home Services~70
        [6] => IT Services & Computer Repair~83
        [8] => Health and Medical~69
    )

[Restaurants] => Array
    (
        [0] => American / Eclectic~2
        [1] => Cafe~11
        [2] => Desserts & Bakery~111
    )

[Shopping] => Array
    (
        [0] => Office Equipment~103
        [3] => Department Stores~91
        [15] => Cosmetics & Beauty Supply~90
        [16] => Musical Instruments & Teachers~102
        [17] => Food~87
    )

[Entertainment] => Array
    (
        [0] => Bars/Pubs~48
    )

[Travel] => Array
    (
        [0] => Hotels~129
    )
)

</div>

Answer 1

It should be as simple as doing this (assuming that $attractionArray is the outer array given above):

foreach($attractionsArray as $key => $innerArray)
{
    sort($innerArray, SORT_STRING);
    $attractionArray[$key] = $innerArray;
}

See it in action here