BasicAuth.php

BasicAuth.php

<?php
function basic_auth_custom(Closure $auth) {
  switch (true) {
    case !isset($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']):
    case !$auth($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']);
      header('WWW-Authenticate: Basic realm="Enter username and password."');
      header('Content-Type: text/plain; charset=utf-8');
      die('このページを見るにはログインが必要です');
  }
}

function basic_auth(string $id, string $pw) {
  basic_auth_custom(function(string $inputId, string $inputPw) use ($id, $pw) {
    return $inputId === $id && $inputPw === $pw;
  });
}