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Chapter 14. Using PHP with JavaScript > JavaScript, PHP, and MySQL

JavaScript, PHP, and MySQL

With JavaScript’s capability to check data before it is sent to a PHP script, it serves a valuable role in making sure that data sent from an HTML page are the data that you want in a database. When the data are in the database, you can recall them using HTML aided by JavaScript as a front end.

An open source relational database-management system (RDBMS) typically used with PHP is MySQL. MySQL can be downloaded and used for professional database development. While you can use it without charge for learning and most personal uses, a small fee is required for commercial uses. The current version as I write this page is 3.23.37, and you can be assured that it will be upgraded by the time you read this passage. Check http://www.mysql.com for the latest version.


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