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

16 votes167 views4 answers
Laravel auth helper function
PHP Laravel
9 votes175 views7 answers
How to get plugin directory path in wordpress
PHP Wordpress
0 vote171 views1 answer
Unable to open file error in php
PHP
0 vote164 views1 answer
Php shell command execution
PHP
4 votes153 views2 answers
Laravel blade errors all
PHP
1 vote188 views1 answer
How to return with open model popup in laravel
PHP
0 vote148 views1 answer
Was loaded over https, but requested an insecure xmlhttprequest endpoint laravel
PHP
0 vote185 views2 answers
Insert multiple rows laravel
PHP Laravel
2 votes175 views3 answers
Laravel get file size uploaded
PHP Laravel
-1 vote166 views1 answer
How to print any string in double quotes in php
PHP