Type declaration php

Php 7

<?php
// Fetches the value of $_GET['user'] and returns 'nobody'
// if it does not exist.
$username = $_GET['user'] ?? 'nobody';
// This is equivalent to:
$username = isset($_GET['user']) ? $_GET['user'] : 'nobody';

// Coalescing can be chained: this will return the first
// defined value out of $_GET['user'], $_POST['user'], and
// 'nobody'.
$username = $_GET['user'] ?? $_POST['user'] ?? 'nobody';
?>

Source: php.net

Type declaration php

int $id;
function foo(): float {}

Php 7

<?php

function arraysSum(array ...$arrays): array
{
    return array_map(function(array $array): int {
        return array_sum($array);
    }, $arrays);
}

print_r(arraysSum([1,2,3], [4,5,6], [7,8,9]));

Source: php.net

Similar codes

0 vote138 views1 answer
Laravel storage save file folder on disk
PHP Laravel
27 votes110 views3 answers
Php key in array exists
PHP
0 vote103 views1 answer
Display data from two dimensional array in vew laravel
PHP
5 votes121 views5 answers
Group by laravel
PHP Laravel
0 vote98 views1 answer
Multipart json test laravel
PHP
0 vote103 views1 answer
Retrieve info from form html
PHP
1 vote102 views1 answer
Laravel form action with parameter
PHP
1 vote118 views1 answer
Getoriginal laravel
PHP Laravel
0 vote97 views1 answer
H1 wordpress theme php
PHP
8 votes98 views3 answers
Linux delete php sessions
PHP