PHP

setcookie php

setcookie($cookiename, $cookievalue, time() + (86400 * 30), "/"); // 86400 = 1 day

setcookie in php

// PHP <7.0
if (isset($_COOKIE['user'])) {
    // true, cookie is set
    echo 'User is ' . $_COOKIE['user'];
else {
    // false, cookie is not set
    echo 'User is not logged in';
}

// PHP 7.0+
echo 'User is ' . $_COOKIE['user'] ?? 'User is not logged in';

withcookie function in php

//setcookie(name, value, expire, path, domain, security);
//understand first line and then implement the second one
setcookie($name, $value, 5, "/");

setcookie php

setcookie(
    string $name,
    string $value = "",
    int $expires_or_options = 0,
    string $path = "",
    string $domain = "",
    bool $secure = false,
    bool $httponly = false
): bool