Chapter 2. The PHP Language
In the previous chapter, we had a brief introduction to the PHP language, including learning how to enter scripts and some of the more basic types. In this chapter, we will continue our tour of the language and learn more about types and language manipulation. We will then learn about control operators and tools with which to build robust scripts.
Our main topics of discussion in this chapter will be
PHP's system of variable expansion in strings More of the data types available to us in PHP Converting between types Entering and using variables and constants How to build expressions in PHP and the operators needed to do so Using the control structures available to us in the language
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