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                            # 第十三課 cookie和session

> cookie

設置cookie,有效期60s,不寫長期有效
`setcookie('var','100',time()+60)`
獲取cookie
`$_COOKIE['']`
刪除cookie,time()-1也可以
`setcookie('val','',0)`

> session

創建session

```
<pre class="calibre14">```
<span class="token1">session_start</span><span class="token2">(</span><span class="token2">)</span><span class="token2">;</span>
$_SESSION<span class="token2">[</span><span class="token4">'admin'</span><span class="token2">]</span><span class="token">=</span><span class="token3">1</span><span class="token2">;</span>

```
```

刪除一個
unset($\_SESSION\['admin'\])
刪除多個
$\_SESSION = array();
銷毀
session\_destroy()
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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