Introduction
This chapter focuses on the nitty gritty details of PHP as a language. This is a big chapter and it covers one of the most important aspects of the exam. The best advice that I can give is not to skim over it. There are a lot of places where PHP has some peculiarities and even with a few years of experience you might not have encountered them all.
Basic Language Features
All statements in PHP must be terminated with a semicolon. An exception to this is if the statement happens to be the last statement before a closing tag.
Whitespace has no semantic meaning in PHP. There ...
