Array_map in php

Array map

const array1 = [1, 4, 9, 16];

// pass a function to map
const map1 = array1.map(x => x * 2);

console.log(map1);
// expected output: Array [2, 8, 18, 32]

Array_map in php

$test_array = array("first_key" => "first_value",
                    "second_key" => "second_value");
array_walk($test_array, function(&$a, $b) { $a = "$b loves $a"; });
var_dump($test_array);

// array(2) {
//   ["first_key"]=>
//   string(27) "first_key loves first_value"
//   ["second_key"]=>
//   string(29) "second_key loves second_value"
// }

Source: stackoverflow.com

Map array php

<?php
function cube($n)
{
    return ($n * $n * $n);
}

$a = [1, 2, 3, 4, 5];
$b = array_map('cube', $a);
print_r($b);
?>

-1

Source: php.net

Similar codes

3 votes208 views1 answer
Artisan to make model controller factroy seeder at once
PHP
1 vote170 views2 answers
Download file in php
PHP
3 votes198 views2 answers
Laravel tinker generate password
PHP Laravel
0 vote324 views1 answer
Laravel request object empty
PHP Laravel
1 vote295 views2 answers
PHP-Curl
PHP
2 votes181 views2 answers
How to get attachments to emails php
PHP
0 vote255 views1 answer
Php prepared statement upload file
PHP
0 vote173 views1 answer
Laravel components scripts
PHP
0 vote211 views2 answers
Laravel blade empty
PHP Laravel
1 vote201 views1 answer
How validate the becrypt password in laravel
PHP Laravel