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The rsort() function sorts an array in reverse order (from highest to lowest).

rsort(array $array[, int $sort_flags]);

This function sorts the array in reverse order (from highest to lowest).

Serial number	Parameters and descriptions
1	array(Required) It specifies an array.
2	sort_flags(Optional) It specifies how to sort the array values. Possible values- SORT_REGULAR - Default value. Treat the value as is (do not change the type) SORT_NUMERIC - Handle the value numerically SORT_STRING - Treat the value as a string SORT_LOCALE_STRING - Treat the value as a string according to the local settings

Returns TRUE on success, FALSE on failure.

　The array input is sorted in reverse alphabetical order.

Example

<?php
　　　$input = array("d"=>"lemon", "a"=>"orange", "b"=>"banana");
　　　rsort($input);
　　　print_r($input);
?>

Output result

Array ( [0] => orange [1] => lemon [2] => banana )