Aggregate-function for sum and product in XPath

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爱一瞬间的悲伤 2021-01-21 05:03
Similar to this question (http://stackoverflow.com/q/1333558/948404) I want to use XPath to calculate a sum over products in a structure like this:

      
      
        
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                   夕颜
                                             
                
                
                (楼主)
            
              
              
                2021-01-21 05:25
              

            
            
                        
Based on this suggestion https://stackoverflow.com/a/1334165/948404 I came up with a solution compliant with XSLT 1.0 and XPath 1.0, which are implemented by libxml/libxslt, used by PHPs implementation of XSLTProcessor (thanks to @Dimitre Novatchev for confirmation).




    
        
            
        
    

    
        
        
        
        
        
        
            
                
            
            
                
                    
                    
                
            
        
    



    
             
                                                        
            
            
              
                
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