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                            # [PHP標準庫 (SPL)](https://www.php.net/manual/zh/book.spl.php#book.spl)
## **作用：**
SPL是用于解決典型問題(standard problems)的一組接口與類的集合。
SPL提供了一組標準數據結構。
但是，目前在使用中，SPL更多地被看作是一種使object（物體）模仿array（數組）行為的interfaces和classes
>[danger] 此擴展只能在php 5.0以后使用，從PHP 5.3.0 不再被關閉,會一直有效.成為php內核組件一部份。
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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