PHP rsort() function

The PHP rsort( ) function is used to sort an array in reverse order. This function introduced in PHP 4.0.

Syntax

Parameter

Parameter	Description	Is compulsory
array	Specifies the array to use.	compulsory
Sort flags	It specifies how to sort the array values. Possible values - SORT_REGULAR - Default. Treat values as they are (don't change types) SORT_NUMERIC - Treat values numerically SORT_STRING - Treat values as strings SORT_LOCALE_STRING - Treat values as strings, based on local settings	Optional

Returns

The PHP rsort( ) function returns true on success or false on failure.

Example 1

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

Output:

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

Example 2

<?php
$numbers=array(400,600,100,220,110);
rsort($numbers);
print_r($numbers);
?>

Output:

Array
(
    [0] => 600
    [1] => 400
    [2] => 220
    [3] => 110
    [4] => 100
)

Example 3

EXAMPLE 3:
<?php
$subject = array("java", "dbms", "os", "compiler");
rsort($subject);
print_r($subject);
?>

Output:

Array
(
    [0] =>os
    [1] => java
    [2] =>dbms
    [3] => compiler
)

Example 4

<?php
$cars=array("hexa","nexon","audi");
rsort($cars,SORT_REGULAR);
print_r($cars)
?>

Output:

Array
(
    [0] =>nexon
    [1] =>hexa
    [2] =>audi
)

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