PHP - Function array_flip()

Syntax

array array_flip ( array $input );

Definition and Usage

It returns an array in flip order, i.e. keys from input become values and values from input become keys.

Parameters

Return Values

It returns FALSE if it fails otherwise fliped array.

Example

Try out following example −

<?php
   $input = array("a"=>1, "b"=>2, "c"=>3, "d"=>4, "e"=>5);
   
   print_r(array_flip($input));
?> 

This will produce the following result −

Array ( [1] => a [2] => b [3] => c [4] => d [5] => e )