PHP arsort() Function

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# PHP arsort() Function

Complete PHP Array Reference

## Definition and Usage

The arsort() function sorts an array by the values in reverse order. The values keep their original keys.

This function returns TRUE on success, or FALSE on failure.

## Syntax

    arsort(array,sorttype)

Parameter | Description
--- | ---
array | Required. Specifying an array

sorttype

Optional. 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

## Example

    <?php
    $my_array = array("a" => "Dog", "b" => "Cat", "c" => "Horse");

    arsort($my_array);
    print_r($my_array);
    ?>

The output of the code above will be:

    Array
    (
    [c] => Horse
    [a] => Dog
    [b] => Cat
    )

Complete PHP Array Reference

From http://www.w3schools.com (Copyright Refsnes Data)