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sPop 命令/方法/函数

Removes and returns a random element from the set value at Key.

随机返回一个元素,并且在SET容器中移除该元素。


Parameters

key


Return value

String "popped" value

Bool FALSE if set identified by key is empty or doesn't exist.


Example

$redis->sAdd('key1' , 'member1');

$redis->sAdd('key1' , 'member2');

$redis->sAdd('key1' , 'member3'); /* 'key1' => {'member3', 'member1', 'member2'}*/

$redis->sPop('key1'); /* 'member1', 'key1' => {'member3', 'member2'} */

$redis->sPop('key1'); /* 'member3', 'key1' => {'member2'} */

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