Generate and parse xml files in SimpleXML in php

There are many classes available for xml document operations in php. phpSimpleXML is a very good xml Parser. next I will give you two application instances. for example, to generate an xml document, the code is as follows: classSimp... we can use many classes for xml document operations in php. php SimpleXML is a very good xml Parser. I will give you two examples.

For example, the code for generating an xml document is as follows:

Class SimpleXMLExtended extends SimpleXMLElement {public function addCData ($ cdata_text) {$ node = dom_import_simplexml ($ this); $ no = $ node-> ownerDocument; $ node-> appendChild ($ no-> createCDATASection ($ cdata_text);} function array2xml ($ array, $ xml = false) {if ($ xml = false) {$ xml = new SimpleXMLExtended ('
 ');} Foreach ($ array as $ key => $ value) {if (is_array ($ value) {array2xml ($ value, $ xml-> addChild ($ key);} else {// if it contains Chinese characters, encode if (preg_match ("/([x81-xfe] [x40-xfe])/", $ value, $ match) {$ value = iconv ('gbk', 'utf-8', $ value);} $ xml-> $ key = NULL; // very important! We need a node where to append $ xml-> $ key-> addCData ($ value); // $ xml-> $ key-> addAttribute ('Lang ', 'en'); // $ xml-> addChild ($ key, $ value) ;}return $ xml-> asXML ();}

For example, SimpleXMLElement parses xml and the code is as follows:

   
    
  
   
HTTP
     
  
   
80
     
  
   
/Index.html
     
  
   
5000
     
  
   
3000
     
  
   
2
     
  
   
3
    
   
    
     
    
  XML; $ test = new SimpleXMLElement ($ content); // Obtain the ping_protocol value $ ping_protocol = $ test-> global_setting-> ping_protocol; echo "ping_protocol: $ ping_protocol n "; // Print the IP foreach ($ test-> instances-> instance as $ instance) {echo "IP: {$ instance ['IP']} n";} of all instances ";}

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