You can throw about technical terms such as relational database, Web Services, session handling, and LDAP, but when it comes down to it, you started learning PHP because you wanted to build cool, interactive Web sites. After all, one of the Web’s most alluring aspects is that it is two-way media; the Web not only enables you to publish information but also offers an effective means for interaction with peers, clients, and friends. This chapter introduces one of the most common ways in which you can use PHP to interact with the user: Web forms.
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