Array_multisort to sort associative arrays PHP

We often use arrays for sorting in the array operations of PHP, which is about sorting associative arrays
You need to use the function Array_multisort.

Array_multisort (Array_column ($arr, ' weight '), Sort_numeric, SORT_ASC, $arr);  convert key Column ' weight ' to numbers in ascending order for associative array $arr

Sort_numeric  //Convert to digital sorting

Sort_string  //Convert to text sorting

SORT_ASC     //Ascending

Sort_desc    //Descending

Example:
Original Associative array:

$data [] = Array (' volume ' = ' id100343 ', ' weight ' = ' 4 ');
$data [] = Array (' volume ' = ' id100212 ', ' weight ' = ' 1 ');
$data [] = Array (' volume ' = ' id104104 ', 'weight ' = ' 10 ');

Var_dump ($data);

Sort by weight (digital sort_numeric):

Output Result:

Array (3) {  [0]=>  Array (2) {    ["Volume"]=>    string (8) "id100212"    [" Weight "]=> string (1)" 1 " } [1]=> Array (2) { [" volume "]=> string (8)" id100343 " ["Weight"]=> string (1) "4" } [2]=> Array (2) { ["volume"]=> string (8) " id104104 " [" Weight "]=> string (2)" Ten " }}        

Sort by weight (text mode sort_string):

Array (3) {  [0]=>  Array (2) {    ["Volume"]=>    string (8) "id100212"    [" Weight "]=> string (1)" 1 " } [1]=> Array (2) { [" volume "]=> string (8)" id104104 " ["Weight"]=> string (2) "Ten" } [2]=> Array (2) { ["volume"]=> string (8) " id100343 " [" Weight "]=> string (1)" 4 " }}        

It is important to note that 10 is the difference between numbers and text.

Array_multisort to sort associative arrays PHP