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                             ## del, delete



##### Description

Remove specified keys.

移除已經存在KEYS

##### Parameters

An array of keys, or an undefined number of parameters, each a key: *key1* *key2* *key3* ... *keyN*

*可以是一個KEYS的數組，或者一個未定義的數字參數，或者一個一個的寫KEY*

##### Return value

*Long* Number of keys deleted.

返回刪除KEY-VALUE的數量

##### Examples

```
<pre class="calibre9">$redis->set('key1', 'val1');
$redis->set('key2', 'val2');
$redis->set('key3', 'val3');
$redis->set('key4', 'val4');

$redis->delete('key1', 'key2'); /* return 2 */
$redis->delete(array('key3', 'key4')); /* return 2 */
```
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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