Inserting, Updating, and Deleting Data
In this section, we complete our discussion of the basics of modifying data by individually considering inserting, updating, and deleting data. We illustrate the principles of each technique in PHP through introductory case study examples; complete examples are presented in Chapter 10 to Chapter 13. Let's begin by looking at two useful PHP functions, both of which have already been used in Example 6-1 and Example 6-2.