Increment value of the key
public increment ( string $key, mixed $by_value = 1, integer $limit_keys_count, integer $ttl = 259200 ) : integer | string | array | ||
$key | string | |
$by_value | mixed | if stored value is an array: if $by_value is a value in array, new element will be pushed to the end of array, if $by_value is a key=>value array, new key=>value pair will be added (or updated) |
$limit_keys_count | integer | - maximum count of elements (used only if stored value is array) |
$ttl | integer | - set time to live for key |
return | integer | string | array | new value of key |