How to use array change key case in PHP
In this article, I will explain how the array_change_key_case() function can be used in PHP.
array_change_key_case() function in PHP
- The array_change_key_case() function is used to change all keys of a given array to lower case or upper case.
Syntax
array_change_key_case(array,case) |
Parameter
array array is required parameter. Specifies the array to use
case case is optional parameter. case either
- CASE_LOWER -the array return key values in lower case.
- CASE_UPPER - the array return key values in upper case.
Example
The following example show to how the array_change_key_case() function can be used in PHP.
<h3 style="color: turquoise;">array_change_key_case() example in PHP</h3>
<?php
$input_array = array("India"=> 150,"england" => 100);
print_r(array_change_key_case($input_array,CASE_UPPER));
?>
|
Output
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