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                             首先需要了解PHP的運行機制再談優化,本文以nginx +  php-fpm運行模式講解:
首先nginx獲取到一個請求是php類型的請求時,nginx會把請求轉發給php-fpm解析,在這個過程中,是會消耗大量的cpu和內存開銷的,所以第一步優化就是優化這里.而我們php的opcache擴展就是專門來解決這個問題的,所以你的服務器最好把該擴展打開.
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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