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

0 vote271 views1 answer
Wordpress get user data from email
PHP Wordpress
18 votes261 views6 answers
Install laravel auth
PHP
0 vote265 views1 answer
Wp_query item count
PHP
0 vote251 views1 answer
Laravel new line in language file
PHP
0 vote251 views1 answer
Laravel collection prepend
PHP
16 votes261 views3 answers
Laravel request validate
PHP Laravel
0 vote288 views1 answer
Validate file count with validate in laravel
PHP Laravel
2 votes296 views2 answers
Laravel many to many update all pivot
PHP Laravel
0 vote239 views1 answer
Session_regenerate_id
PHP
1 vote280 views2 answers
Laravel check collection has key
PHP Laravel