Generic
PTTL
Return the expiration in milliseconds of a key.
Arguments
keybodystrrequired
The key
Response
intrequired
The number of milliseconds until this expires, negative if the key does not exist or does not have an expiration set.
Example
redis.set("key1", "Hello")assert redis.pttl("key1") == -1redis.expire("key1", 1000)assert redis.pttl("key1") > 0redis.persist("key1")assert redis.pttl("key1") == -1