php-redisSet key expiration in Redis

$redis->setex('key', 30, 'test');ctrl + cgithub

`$redis` Redis object after connection	`setex` set key value along with expiration in seconds
`key` name of the key	`30` seconds after which key will expire
`test` value of the key

<?php

$r = new Redis(); l
$r->connect('127.0.0.1', 6379);

$r->setex('key', 30, 'test');
sleep(1);

echo $r->ttl('key');