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
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 php key, $value
$test_array = array("first_key" => "first_value",
"second_key" => "second_value");
var_dump(array_map_(function($key, $value){
return $key . " loves " . $value;
}, $arr));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"
// }Copyright © 2021 Codeinu
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