Read and write Excel data with PHP

Read and write Excel data with PHP - Read and write Excel...

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Read and write Excel data with PHP 1 of 19 4/19/2008 10:01 PM Read and write Excel data with PHP Using XML support Level: Intermediate Jack Herrington (, Editor-in-Chief, Code Generation Network 04 Oct 2005 Learn how to use the XML support in PHP to read the data from the XML exported from Microsoft® Excel® 2003. Also, learn to export data from your PHP application as Excel XML so your users can see their data in a real spreadsheet. Microsoft Office 2003 for the Microsoft Windows® operating system opened a whole new set of opportunities that non-Microsoft engineers have yet to realize. Of course, you had the usual set of new features. But the big new advance was the addition of XML file formats. With Office 2003, you can save your Microsoft Excel spreadsheet as XML and use the file just as you would the binary equivalent. The same goes for Microsoft Word. Why are XML file formats so important? Because for years, the true power of Excel or Word was locked in binary file formats that required elaborate converters to access. Now, you can read or write Excel or Word files using XML tools like Extensible Stylesheet Language Transformation (XSLT) or the XML Document Object Model (DOM) functions built into the PHP programming language. In this article, I show how to build a PHP Web application that uses these formats to read data into a database from an Excel spreadsheet and to export the contents of a database table to an Excel spreadsheet. Create the database For this article, I use a simple Web application so you can clearly see the Excel XML mechanism. This application is a table of names and e-mail addresses. The schema in MySQL syntax looks like the code in Listing 1. Listing 1. SQL for the database DROP TABLE IF EXISTS names; CREATE TABLE names ( id INT NOT NULL AUTO_INCREMENT, first TEXT, middle TEXT, last TEXT, email TEXT, PRIMARY KEY( id )
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Read and write Excel data with PHP 2 of 19 4/19/2008 10:01 PM ); This file is a single-table database in which the table -- names -- has five fields: an auto-incrementing ID field, followed by first, middle, and last name fields, and an e-mail field. To set up the database, create the database using the Mysqladmin command-line tool: mysqladmin --user=root create names . You then load the database from the schema file: mysql --user=root names < schema.sql . The user and password authentication you use varies depending on your installation, but the idea remains the same. First, create the database. Then use the SQL file to create the tables with the required fields. Create the import data The next step is to create some data for import. Create a new Excel file. In the first workbook, call the top row of columns First , Middle , Last , and Email . Then, add a few rows of data to the list (see Figure 1). Figure 1. Data for import
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This note was uploaded on 07/16/2008 for the course MIS 270 taught by Professor Byrtus during the Summer '08 term at Mercyhurst.

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Read and write Excel data with PHP - Read and write Excel...

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