How to set expiration time in php redis

php How to set the expiration time in redis: first open the corresponding PHP file; then set the expiration time of the redis key through "$redis->expireAt($key, $expireTime);".

#The operating environment of this article: Windows 7 system, PHP version 7.1, Dell G3 computer.

php redis set expiration time:

PHP sets the Redis key to be valid on that day

$redis->set($key,$value);
 $expireTime = mktime(23, 59, 59, date("m"), date("d"), date("Y"));
        //设置键的过期时间
$redis->expireAt($key, $expireTime);

Note that if the key here is a hash data structure, it is for the key, not If the field in the hash structure is set like this, the entire hash key will also be invalid.

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