gzdecode
  (PHP 5 >= 5.4.0, PHP 7, PHP 8)
gzdecode — Decodes a gzip compressed string
  
 
 
  参数
  
   
    
     data 
     - 
      
       The data to decode, encoded by gzencode().
      
      
    
    
     max_length 
     - 
      
       The maximum length of data to decode.
      
      
    
   
  
  
 
  返回值
  
   The decoded string, or  或者在失败时返回 false.
  
  
 
  错误/异常
  
   In case of failure, an E_WARNING level error is issued.