• How to use the if statement to execute code if a test expression evaluates to true
• How to execute alternative blocks of code when the test expression of an if statement evaluates to false
• How to use the switch statement to execute code based on the value returned by a test expression
• How to repeat execution of code using a while statement
• How to use for statements to make neater loops
• How to break out of loops
• How to nest one loop within another
• How to use PHP start and end tags within control structures
The scripts created in the previous chapter flow only in a single direction: forward. That is, the same statements execute in the same order ...
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