php sort function: arsort()

 

$age=array("Ravi"=>"20","Vikash"=>"30","Ajay"=>"40");
arsort($age);
Output:-

array(
    [Ajay] => 40,
    [Vikash] => 30,
   [Ravi] =>  20
)

Definition and Usage

The asort() function sort associative array in descending order, according to the value.

Syntax

arsort(array,sortingtype);

Parameter Description

array         Required. Specifies the array to sort

sortingtype Optional. Specifies how to compare the array elements/items. Possible                                   values:

                        0 = SORT_REGULAR - Default. Compare items normally (don't change                                        types)

                       1 = SORT_NUMERIC - Compare items numerically

                       2 = SORT_STRING - Compare items as strings

                       3 = SORT_LOCALE_STRING - Compare items as strings, based on current                                 locale

                       4 = SORT_NATURAL - Compare items as strings using natural ordering

                       5 = SORT_FLAG_CASE -

this function returns TRUE or FALSE.