array_flip()
Published Jul 17, 2023
Contribute to Docs
The array_flip()
method is used to interchange the keys and values of an array. It creates a new array where the original array’s values become the keys, and the keys become the values. This function can be useful in situations where it’s needed to quickly lookup keys based on their previous values.
Syntax
array_flip($original_array)
The array_flip()
function has one required parameter:
$original_array
: The array to be flipped.
Example
The following example uses the array_flip()
function to flip $original_array
:
<?php$original_array = array('apple' => 'fruit','carrot' => 'vegetable');$flipped_array = array_flip($original_array);print_r($flipped_array);?>
The example will result in the following output:
Array (['fruit'] => 'apple',['vegetable'] => 'carrot')
Codebyte Example
This example is runnable and uses the array_flip()
function:
Contribute to Docs
- Learn more about how to get involved.
- Edit this page on GitHub to fix an error or make an improvement.
- Submit feedback to let us know how we can improve Docs.