incrByFloat

PHP Redis

incrByFloat

Description

Increment the key with floating point precision.

自增一个浮点型的数值。

Parameters

key
value: (float) value that will be added to the key

Return value

FLOAT the new value

Examples
$redis->incrByFloat('key1', 1.5); /* key1 didn't exist, so it will now be 1.5 */


$redis->incrByFloat('key1', 1.5); /* 3 */
$redis->incrByFloat('key1', -1.5); /* 1.5 */
$redis->incrByFloat('key1', 2.5); /* 3.5 */