瀹炵幇 PHP 閰嶇疆鏁版嵁搴撴枃浠跺姞瀵嗗彲浠ラ€氳繃浠ヤ笅姝ラ杩涜锛?/p>

1. 鍒涘缓涓€涓敤浜庡姞瀵嗗拰瑙ｅ瘑鐨勫瘑閽ャ€傚彲浠ヤ娇鐢?OpenSSL 鎵╁睍鐨?openssl_random_pseudo_bytes 鍑芥暟鏉ョ敓鎴愪竴涓殢鏈哄瘑閽ャ€?/li>

$key = openssl_random_pseudo_bytes(32);

2. 灏嗙敓鎴愮殑瀵嗛挜淇濆瓨鍦ㄤ竴涓嫭绔嬬殑鏂囦欢涓紝渚嬪 config.key銆?/li>

file_put_contents('config.key', $key);

3. 淇敼鏁版嵁搴撻厤缃枃浠讹紝灏嗘晱鎰熶俊鎭紙渚嬪鏁版嵁搴撶敤鎴峰悕銆佸瘑鐮佺瓑锛夋浛鎹负鍔犲瘑鐨勫舰寮忋€傚彲浠ヤ娇鐢?openssl_encrypt 鍑芥暟鏉ュ姞瀵嗘暟鎹€?/li>

$config = [
    'host' => 'localhost',
    'username' => openssl_encrypt('myusername', 'AES-256-CBC', $key),
    'password' => openssl_encrypt('mypassword', 'AES-256-CBC', $key),
    'database' => 'mydatabase',
];

file_put_contents('config.php', '<?php return ' . var_export($config, true) . ';');

4. 鍦ㄩ渶瑕佽闂暟鎹簱鐨勫湴鏂癸紝浣跨敤 openssl_decrypt 鍑芥暟鏉ヨВ瀵嗛厤缃枃浠朵腑鐨勬晱鎰熶俊鎭€?/li>

$config = include 'config.php';

$dbUsername = openssl_decrypt($config['username'], 'AES-256-CBC', $key);
$dbPassword = openssl_decrypt($config['password'], 'AES-256-CBC', $key);

// 浣跨敤瑙ｅ瘑鍚庣殑鐢ㄦ埛鍚嶅拰瀵嗙爜杩炴帴鏁版嵁搴?/span>
$db = new PDO('mysql:host=' . $config['host'] . ';dbname=' . $config['database'], $dbUsername, $dbPassword);

閲嶈鎻愮ず锛氱‘淇濆瘑閽ユ枃浠讹紙config.key锛夊拰閰嶇疆鏂囦欢锛坈onfig.php锛夊瓨鏀惧湪瀹夊叏鐨勪綅缃紝涓嶈璁╁畠浠彲浠ヨ鍏紑璁块棶銆?/p>