pecl install redis

extension=redis.so

php -m | grep redis

<?php
// 连接参数
$host = "192.xx.xx.2";       // 实例 VIP 地址
$port = 6379;                 // 实例端口
$password = "crs-xxxx:密码";  // 默认账号密码格式：实例ID:密码

// 创建连接
$redis = new Redis();

// 连接实例，设置超时时间为 2 秒
$redis->connect($host, $port, 2.0);

// 认证
$redis->auth($password);

// 选择数据库（代理模式支持多 DB）
$redis->select(0);

// 写入数据
$redis->set("name", "腾讯云分布式缓存数据库");

// 读取数据
$value = $redis->get("name");
echo "get name: " . $value . "\\n";

// 设置带过期时间的 Key
$redis->setex("session:user123", 3600, "session_data");

// 哈希操作
$redis->hSet("user:1001", "name", "张三");
$redis->hSet("user:1001", "age", "28");
$userInfo = $redis->hGetAll("user:1001");
echo "user info: ";
print_r($userInfo);

// 关闭连接
$redis->close();
?>

<?php
$host = "192.xx.xx.2";
$port = 6379;
$username = "myuser";
$password = "myuser@MyPassword";  // 代理模式自定义账号：用户名@密码整体作为密码传入

$redis = new Redis();
$redis->connect($host, $port, 2.0);
$redis->auth($password);

$redis->set("key", "value");
echo $redis->get("key") . "\\n";

$redis->close();
?>

<?php
$host = "192.xx.xx.2";
$port = 6379;
$password = "crs-xxxx:密码";

// 使用持久连接，第四个参数为持久连接标识
$redis = new Redis();
$redis->pconnect($host, $port, 2.0, "persistent_id_01");
$redis->auth($password);

// 设置读写超时
$redis->setOption(Redis::OPT_READ_TIMEOUT, 2);

// 业务操作
$redis->set("counter", 0);
$redis->incr("counter");
$count = $redis->get("counter");
echo "counter: " . $count . "\\n";

// 持久连接不需要显式关闭，由 PHP 生命周期管理
?>

<?php
$host = "192.xx.xx.2";
$port = 6379;
$password = "crs-xxxx:密码";
$caCertPath = "/path/to/ca.pem";  // CA 证书文件路径

$redis = new Redis();

// 配置 TLS/SSL 参数
$redis->connect("tls://" . $host, $port, 2.0, null, 0, 0, [
    'stream' => [
        'verify_peer' => true,
        'verify_peer_name' => false,
        'cafile' => $caCertPath,
    ]
]);

$redis->auth($password);

$redis->set("ssl_test", "encrypted_connection");
echo $redis->get("ssl_test") . "\\n";

$redis->close();
?>