Sidebars examples

Sidebar

Kladblok.php

Code
<?php
$array = [0,1,2,3,4,5,6,7,8,9,10];

// $newArray = array_map(function ($value) {
//     return $value & 1 ? null : $value * 2;
// }, $array);

$newArray = array_map(
                fn($value) => $value & 1 ? null : $value * 2
                , $array
            );

echo '<pre>';
print_r($newArray);
echo '</pre>';
?>
Output
Array
(
    [0] => 0
    [1] => 
    [2] => 4
    [3] => 
    [4] => 8
    [5] => 
    [6] => 12
    [7] => 
    [8] => 16
    [9] => 
    [10] => 20
)