In this article, you will learn how to sort an associative array in descending order according to the keys. The krsort() function returns an array in which the elements of the input associative array are sorted in descending order according to their keys.
What is the syntax of the krsort() function in PHP?
|array||Required. Specifies the array to sort|
|sorttype||Optional. Specifies how to compare the array elements/items. |
SORT_STRING (default) – Compare elements as strings
SORT_REGULAR – Compares normally without changing the type
SORT_NUMERIC – Compare as numeric values
SORT_LOCALE_STRING – Compare as a string according to the current locale
Examples of krsort() function
Example 1. Sort the associative array according to keys.
<?php $age=array("Jawad"=>"24","Ahmad"=>"25","Sumerina"=>"39"); krsort($age); ?>