Questions about submit submission

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BARCODE scan-finished product statistics (box number and storage space maintenance)
  
    
  

  
  
        
  
If (isset ($ _ GET ['store']) {
  
$ Storage = intval ($ _ GET ['store']);
  
}
  
      
  
Echo $ Storage;
  
?>
  

  

  

  

 

The problem is that the input is not a number and the output is 0. Chinese characters and characters cannot be displayed normally.
------ Solution --------------------
The intval variable is converted to the integer type. So only numbers can be output, and other types are automatically converted to int
------ Solution --------------------
That's how you designed it!
$ Storage = intval ($ _ GET ['store']);
Converts the input data to an integer.