delete 命令/方法/函数

Description

Remove specified keys.

移除已经存在KEYS


Parameters

An array of keys, or an undefined number of parameters, each a key: key1 key2 key3 ... keyN

可以是一个KEYS的数组,或者一个未定义的数字参数,或者一个一个的写KEY


Return value

Long Number of keys deleted.

返回删除KEY-VALUE的数量


Examples

$redis->set('key1', 'val1');

$redis->set('key2', 'val2');

$redis->set('key3', 'val3');

$redis->set('key4', 'val4');

$redis->delete('key1', 'key2'); /* return 2 */

$redis->delete(array('key3', 'key4')); /* return 2 */