Core PHP Programming, Third Edition

Chapter 3. Control Statements

Topics in This Chapter

• The if Statement

• The ? Operator

• The switch Statement

• Loops

• exit, die, and return

• Exceptions

• Declare

Control statements allow you to execute blocks of code depending on conditions. They allow you to repeat a block of code, which leads to simpler, more efficient scripts. This chapter introduces the decision-making statements if and switch. It also discusses loops using for and while.