PHP arsort() Function

Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP arsort() Function.

The built-in PHP arsort() Function sorts an array such that the array indices maintains their correlation with all the array elements they are associated with.

Syntax

Following below is the syntax to use this function -

arsort( $array [, $sort_flags] );

READ: PHP array_walk() Function

Parameter Details

Sr.No	Parameter & Description
1	array(Required) It specifies an array.
2	sort_flags(Optional) 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

Return Value

This function returns TRUE on success and FALSE on failure.

Example

Try out the below example -

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

Output

When the above code is executed, it will produce the following result -

Array ( [a] => orange [d] => lemon [b] => banana )

READ: PHP array_values() Function

Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the PHP array_asort() Function.

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