Use php to delete xml Document Content. use php to delete xml document _ PHP Tutorial

Source: Internet
Author: User
Use php to delete xml documents. Using php to delete xml documents, php deletes xml documents. This document describes how to delete xml documents using php. Share it with you for your reference. The specific implementation method is as follows: use php to delete the xml document content, and use php to delete the xml document

This example describes how to delete xml documents using php. Share it with you for your reference. The specific implementation method is as follows:

First case: Delete a student node

The code is as follows:

<? Php
// 1. create a DOMDocument object. This object indicates an xml file.
$ Xmldoc = new DOMDocument ();
// 2. load the xml file (specify the xml file to be parsed, and the dom tree node will be loaded to the memory)
$ Xmldoc-> load ("class. xml ");
// 3. delete a student information record
// (1) extract the root node
$ Root = $ xmldoc-> getElementsByTagName ("class")-> item (0); // This code is not required if it is not deleted by node.
// (2) find the student
$ Stu = $ xmldoc-> getElementsByTagName ("student ");
$ Stu_del = $ stu-> item (2); // find the third student
$ Root-> removeChild ($ stu_del); // perform the delete operation. this is Method 1.
// $ Stu_del-> parentNode-> removeChild ($ stu_del); // locate the parent node and delete it from the parent node. this is Method 2.
// 4. update the xml document
$ Xmldoc-> save ("class. xml ");
Echo "deleted successfully ";
?>


Case 2: delete one of the student nodes, such as age:

The code is as follows:

<? Php
// 1. create a DOMDocument object. This object indicates an xml file.
$ Xmldoc = new DOMDocument ();
// 2. load the xml file (specify the xml file to be parsed, and the dom tree node will be loaded to the memory)
$ Xmldoc-> load ("class. xml ");
// 3. delete a student information record
// (1) extract the root node
$ Root = $ xmldoc-> getElementsByTagName ("class")-> item (0 );
// (2) find the student
$ Stu = $ xmldoc-> getElementsByTagName ("age ");
$ Stu_del = $ stu-> item (1); // locate the age of the second student
$ Stu_del-> parentNode-> removechild ($ stu_del); // perform the delete operation.
// 4. update the xml document
$ Xmldoc-> save ("class. xml ");
Echo "deleted successfully ";
?>

I hope this article will help you with the XML programming for php operations.

Examples in this article describes how to delete xml document content through php. Share it with you for your reference. The specific implementation method is as follows :...

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