## getRange (substr also supported but deprecated in redis) ##### *Description* Return a substring of a larger string 返回字符串的一部分 ##### *Parameters* *key* *start* *end* ##### *Return value* *STRING*: the substring ##### *Example* ``` <pre class="calibre16">$redis->set('key', 'string value'); $redis->getRange('key', 0, 5); /* 'string' */ $redis->getRange('key', -5, -1); /* 'value' */ ```