Записи об использовании Redis (II)

php
Include'redis.php'; // The method of connecting Redis in the previous article

$redis = getRedis();

$redis - > set ('key_test','value_test'); // set value
Echo $redis - > get ('key_test').'< br />'; // Get the value of key_test

$redis - > Mset (array ('key_test2'=>'value_test2','key_test3'=>'value_test3'); //Set the value of multiple keys
Print_r ($redis - > mget (array ('key_test2','key_test3')); // Get the value of multiple keys Array ([0]=> value_test2 [1]=> value_test3)
echo '
';

$redis - > setex ('key_test4', 10,'key_test4'); // Set the value of key and set the expiration time, in unit seconds
echo $redis->get("key_test4") . '
';

$redis - > setnx ('key_test','value_test5'); //Set the value only if the current key does not exist
Echo $redis - > get ('key_test').'< br />'; // Because key_test exists, all values_test are not set successfully.

$redis - > msetnx (array ('key_test'=>'value_test6','key_test7'=>'value_test7'); // Sets the value of multiple keys and only takes effect if all keys do not exist
print_r($redis->mget(array('key_test', 'key_test7')));// Array ( [0] => value_test [1] => )
echo '
';

Echo $redis - > strlen ('key_test1').'< br />'; // Get string length 11

$redis - > set ('number','1'); and // set to a number
echo $redis->get('number') . '
';// 1
$redis - > incr ('number'); // current value + 1
echo $redis->get('number') . '
';// 2
$redis - > decr ('number'); // current value - 1
echo $redis->get('number') . '
';// 1