Save data xml file using php

In a previous tutorial we learned how to parse XML using php simplexml library , this tutorial explores how to generate XML files using php. Here we want to generate XML file from a bookstore database. An attribute id in book element will be added.

In order to do above tasks you have to:. Connect to database using mysqli First you need to connect to database using mysqli method.

This method requires host, username, password and database. If connection is successful, a connection object is returned else an error is thrown. Next to select records from books table. Example 1 Saving a DOM tree into a file. Submit a Pull Request Report a Bug. Parameters filename The path to the saved XML document. Return Values Returns the number of bytes written or false if an error occurred.

In case you append text nodes with special characters e. Otherwise you will get an error message like "output conversion failed due to conv error" at the save command. Hope this saves somebody a headache. It is a task of converting data from a given form to a much more usable and desired form i. Using Machine Learning algorithms, mathematical modelling and statistical knowledge, this entire process can be automated.

The AQI is calculated based on the average concentration of a particular pollutant measured over a standard time interval. Generally, the time interval is 24 hours for most pollutants, 8 hours for carbon monoxide and ozone.

Skip to content. Change Language. Related Articles. Table of Contents. Improve Article. Save Article. Like Article. Last Updated : 12 Jul, Example: HTML. The collection of related data is called a. XAMPP stands for cross-platform,. It is among.