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Friday, August 19, 2022

How to convert array values to lowercase in PHP?

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Whenever you require to create all array value in lowercase then you can create that without using loop. you have to just use array_map(), array_map function take two argument one for php function “strtolower” and second one for array. May be we need to do this when we are working on big projects and need to all values in small case.

So, how to convert array values to lowercase using array_map(), see bellow example and learn how to work.

Example:

$myArray = ['1'=>'Hey','2'=>'Hello','3'=>'Hi','4'=>'GM'];

$result = array_map('strtolower',$myArray);

print_r($result);

Output:

Array

(

[1] => hey

[2] => hello

[3] => hi

[4] => gm

)

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