Php read/write xml

: This article mainly introduces php to read and write xml. if you are interested in the PHP Tutorial, refer to it. Read xml Information

Test. xml

 
 
  
   
    
Zhang San
   23
   
    
Hard work
   
  
  
   
    
Li Si
   23
   
    
Hard work
   
  
 

Test. php

 load("test.xml");$stus = $xmldoc->getElementsByTagName("student");for($i=0;$i < $stus->length;$i++){$stu = $stus->item($i);echo getNodeVal($stu,"name")."--".getNodeVal($stu,"age")."--".getNodeVal($stu,"intro")."
";}function getNodeVal(&$MyNode,$tagName){return $MyNode->getElementsByTagName($tagName)->item(0)->nodeValue;}?>

Write xml:

 Load ("classes2.xml"); // add a student information // create a student node $ root = $ xmldoc-> getElementsByTagName ("class")-> item (0 ); $ stu_node = $ xmldoc-> createElement ("student"); $ stu_node-> setAttribute ("sex", "male "); // create a name node and mount it to the student node $ stu_node_name = $ xmldoc-> createElement ("name"); $ stu_node_name-> nodeValue = "Tang "; $ stu_node-> appendChild ($ stu_node_name); $ stu_node_age = $ xmldoc-> createElement ("age"); $ stu_node_age-> nodeValue = "24"; $ stu_node-> PpendChild ($ stu_node_age); $ stu_node_intro = $ xmldoc-> createElement ("intro"); $ stu_node_intro-> nodeValue = "I am Tang, I have been working very hard "; $ stu_node-> appendChild ($ stu_node_intro); // mount the student node to the root node $ root-> appendChild ($ stu_node); $ xmldoc-> save ("new. xml ");?>

Delete a node:

 Load ("test. xml "); // delete a node $ root = $ xmldoc-> getElementsByTagName (" class ")-> item (0 ); $ stus = $ xmldoc-> getElementsByTagName ("student"); $ stu1 = $ stus-> item (2); // $ root-> removeChild ($ stu1 ); $ stu1-> parentNode-> removeChild ($ stu1); $ xmldoc-> save ("test. xml ");?>

Modify node:

 Load ("test. xml "); // delete a node $ root = $ xmldoc-> getElementsByTagName (" class ")-> item (0 ); $ stus = $ xmldoc-> getElementsByTagName ("student"); $ stu1 = $ stus-> item (0); $ stu1_name = $ stu1-> getElementsByTagName ("name ") -> item (0); $ stu1_name-> nodeValue = "Tang renamed"; $ xmldoc-> save ("test. xml ");?>

The above introduces php to read and write xml, including some content, hope to be helpful to friends who are interested in PHP tutorials.