/**
* Pops a value from the tail of a list, and pushes it to the front of another list.
* Also return this value.
*
* @since redis >= 1.1
*
* @param string $srcKey
* @param string $dstKey
*
* @return string The element that was moved in case of success, FALSE in case of failure.
* @link http://redis.io/commands/rpoplpush
* @example
* <pre>
* $redis->delete('x', 'y');
* $redis->lPush('x', 'abc');
* $redis->lPush('x', 'def');
* $redis->lPush('y', '123');
* $redis->lPush('y', '456');
* // move the last of x to the front of y.
* var_dump($redis->rpoplpush('x', 'y'));
* var_dump($redis->lRange('x', 0, -1));
* var_dump($redis->lRange('y', 0, -1));
* //Output:
* //
* //string(3) "abc"
* //array(1) {
* // [0]=>
* // string(3) "def"
* //}
* //array(3) {
* // [0]=>
* // string(3) "abc"
* // [1]=>
* // string(3) "456"
* // [2]=>
* // string(3) "123"
* //}
* </pre>
*/
public function rPopLPush($srcKey, $dstKey)
{
try {
return $this->client->rPopLPush($srcKey, $dstKey);
} catch (Exception $e) {
return $this->handleException($e, __FUNCTION__, func_get_args());
}
}
/**
* Pops a value from the tail of a list, and pushes it to the front of another list.
* Also return this value.
*
* @since redis >= 1.1
*
* @param string $srcKey
* @param string $dstKey
*
* @return string The element that was moved in case of success, FALSE in case of failure.
* @link http://redis.io/commands/rpoplpush
* @example
* <pre>
* $redis->delete('x', 'y');
* $redis->lPush('x', 'abc');
* $redis->lPush('x', 'def');
* $redis->lPush('y', '123');
* $redis->lPush('y', '456');
* // move the last of x to the front of y.
* var_dump($redis->rpoplpush('x', 'y'));
* var_dump($redis->lRange('x', 0, -1));
* var_dump($redis->lRange('y', 0, -1));
* //Output:
* //
* //string(3) "abc"
* //array(1) {
* // [0]=>
* // string(3) "def"
* //}
* //array(3) {
* // [0]=>
* // string(3) "abc"
* // [1]=>
* // string(3) "456"
* // [2]=>
* // string(3) "123"
* //}
* </pre>
*/
public function rPopLPush($srcKey, $dstKey)
{
$this->appendToLog('RPOPLPUSH ' . $srcKey . ' ' . $dstKey);
return $this->client->rPopLPush($srcKey, $dstKey);
}
