HTTP認證用戶名密碼 php

// header('HTTP/1.1 401 Authorization Required');
// header('WWW-Authenticate: Basic realm="PHP Secured"');

//用戶名和口令列表
$users = array(
		'aaa' => 'aaa',
		'bbb' => 'bbb'
	);

//檢驗是否有用戶名
if(!isset($_SERVER['PHP_AUTH_USER']))
{
	header('HTTP/1.1 401 Unauthorized');
	header('WWW-Authenticate: Basic realm="PHP Secured"');
	exit('This page requires authentication');
}

//檢驗是否有該用戶
if(!isset($users[$_SERVER['PHP_AUTH_USER']]))
{
	header('HTTP/1.1 401 Unauthorized');
	header('WWW-Authenticate: Basic realm="PHP Secured"');
	exit('Unauthorized!');
}

//檢驗口令是否正確
if($users[$_SERVER['PHP_AUTH_USER']] != $_SERVER['PHP_AUTH_PW'])
{
	header('HTTP/1.1 401 Unauthorized');
	header('WWW-Authenticate: Basic realm="PHP Secured"');
	exit('Unauthorized!');
}

//驗證通過
echo 'Username:'.$_SERVER['PHP_AUTH_USER'].'<br/>';
echo 'Password:'.$_SERVER['PHP_AUTH_PW'].'<br/>';