key operation method

Method list

Method name Parameter Description Notes
del $key Delete a key
dump $key Serialization
exists $key Whether the query exists
expire $key, $expireTime = 60 Set the expiration time (in seconds) for the key
expireAt $key, $expireTime Set the expiration time (in milliseconds) for the key
keys $pattern Match key
move $key, $db Move key Cluster mode cannot be used
persist $key Remove the expiration time of the key
pTTL $key Return millisecond expiration time
ttl $key Return expired time
randomKey Randomly return a key
rename $key, $new_key Modify the name of the key Cluster mode cannot be used
renameNx $key, $new_key Modify the key name when newkey does not exist Cluster mode cannot be used
type $key Returns the data type stored by the key

Instance

go(function () {
    $redis = new \EasySwoole\Redis\Redis(new \EasySwoole\Redis\Config\RedisConfig([
        'host'      => '127.0.0.1',
        'port'      => '6379',
        'auth'      => 'easyswoole',
        'serialize' => \EasySwoole\Redis\Config\RedisConfig::SERIALIZE_NONE
    ]));
    $key = 'test123213Key';
    $redis->select(0);
    $redis->set($key, 123);
    $data = $redis->dump($key);
    var_dump($data);
    $data = $redis->dump($key . 'x');
    var_dump($data);

    $data = $redis->exists($key);
    var_dump($data);

    $data = $redis->expire($key, 1);
    var_dump($data);
    \Swoole\Coroutine::sleep(2);
    var_dump($redis->exists($key));

    $redis->expireAt($key, 1 * 100);
    \Swoole\Coroutine::sleep(0.1);
    var_dump($redis->exists($key));

    $redis->set($key, 123);
    $data = $redis->keys("{$key}");
    var_dump($data);

    $redis->select(1);
    $redis->del($key);
    $redis->select(0);
    $data = $redis->move($key, 1);
    var_dump($data);
    $data = $redis->exists($key);
    var_dump($data);
    $redis->select(0);

    $redis->set($key, 123);
    $data = $redis->expire($key, 1);
    var_dump($data);
    $data = $redis->persist($key);
    var_dump($data);

    $redis->expire($key, 1);
    $data = $redis->pTTL($key);
    var_dump($data);

    $data = $redis->ttl($key);
    var_dump($data);

    $data = $redis->randomKey();
    var_dump($data);
    $data = $redis->rename($key, $key . 'new');
    var_dump($data);
    var_dump($redis->expire($key . 'new'));
    var_dump($redis->expire($key));

    $data = $redis->renameNx($key, $key . 'new');
    var_dump($data);
    $redis->renameNx($key . 'new', $key);
    $data = $redis->renameNx($key, $key . 'new');
    var_dump($data);
    $data = $redis->type($key);
    var_dump($data);
    $data = $redis->type($key . 'new');
    var_dump($data);
});