expireAt 命令/方法/函数

Description

Sets an expiration date (a timestamp) on an item. pexpireAt requires a timestamp in milliseconds.

给一个KEY设置一个生命周期,单位是UNIX的时间戳。(pexpireAt与其类似,区别是单位为毫秒)


Parameters

Key: key. The key that will disappear.

Key:将被销毁的key


Integer: Unix timestamp. The key's date of death, in seconds from Epoch time.

integer:Unix 时间戳


Return value

BOOL: TRUE in case of success, FALSE in case of failure.


Example

$redis->set('x', '42');

$now = time(NULL); // current timestamp

$redis->expireAt('x', $now + 3);    // x will disappear in 3 seconds.

sleep(5);               // wait 5 seconds

$redis->get('x');       // will return `FALSE`, as 'x' has expired.