Easily parse XML documents with PHP 5.0 (5)

XML below is the information product name for all items under a category by using the GetNode () function:

Food11
Array (    [name] => food11    [price] => 12.90) array (    [id] => food11) Product Name: FOOD12
Array (    [name] => food12    [price] => 22.10    [desc] => Array        (            [value] => good things recommend            [attrs] => Array                (                    [creator] => Hahawen))        Array (    [id] => food12)

The following is a Findnodebypath () function that returns a product's information commodity name:

Food11

Array (    [name] => food11    [price] => 12.90) array (    [id] => food11)      

The following is a SetValue () function that adds a property to the product "Food11" and then displays the result of the addition

   
   
   
     Hualian 
    
    Beijing Changan Street-No. No. 9999  
   
     supermarket chain 
    
   
     123456789 
    
    
     
     
       food11 
      
     
       12.90
       
      
        > This is a good product. 
       
     
     
    
      food12  
     
       22.10 
      
     
       good thing recommendation 
      
     
    
    
     
     
       tel21 
      
     
       1290 
      
     
    
    
     
     
       coat31 
      
     
       112 
      
     
     
     
       coat32 
      
     
       \ 
      
     
    
    
     
     
       hot41 
      
      
      
     
    
  

The following is a RemoveValue ()/removeattribute () function that changes and deletes attributes to the product "Food11", and then displays the result of the operation

   
   
   
     Hualian 
    
    Beijing Changan Street-No. No. 9999  
   
     supermarket chain 
    
   
     123456789 
    
    
     
     
       food11 
      
     
       12.90
       
      
        > This is a good product. 
       
     
     
    
      new food12  
     
       22.10 
      
     
    
    
    
      tel21  
     
       1290 
      
     
    
    
    
      coat31  
     
       112 
      
     
     
     
       coat32 
      
      
      
     
    
    
     
     
       hot41