Language constructs PHP3 Manual Prev Next Chapter 6. Any PHP 3 script is built out of a series of statements.
Statements usually end with a semicolon.
In addition, statements can be grouped into a statement-group by encapsulating a group of statements with curly braces. A statement-group is a statement by itself as well. The various statement types are described in this chapter. In PHP 3.0, almost anything you write is an expression. Simple examples that come in mind are constants and variables.