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                             ## getSet



##### *Description*

Sets a value and returns the previous entry at that key.

設置一個VALUE 并且返回該KEY當前的VALUE。

##### *Parameters*

*Key*: key

*STRING*: value

##### *Return value*

A string, the previous value located at this key.

##### *Example*

```
<pre class="calibre9">$redis->set('x', '42');
$exValue = $redis->getSet('x', 'lol');  // return '42', replaces x by 'lol'
$newValue = $redis->get('x')'       // return 'lol'
```
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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