11 Accessing Your MySQL Database from the Web with PHP
PREVIOUSLY, IN OUR WORK WITH PHP, WE used a flat file to store and retrieve data. When we looked at this file in Chapter 2, “Storing and Retrieving Data,” we mentioned that relational database systems make a lot of these storage and retrieval tasks easier, safer, and more efficient in a web application. Now, having worked with MySQL to create a database, we can begin connecting this database to a web-based front end.
In this chapter, we explain how to access the Book-O-Rama database from the Web using PHP. You learn how to read from and write to the database and how to filter potentially troublesome input data.
Key topics covered in this chapter include
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