Comprehension Check CH2.docx

Comprehension Check CH2.docx - Comprehension Check Chapter...

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Comprehension Check Chapter 2 1. A(n) allows you to treat a related group of PHP commands as a single unit. c. function 2. Functions must contain parameters. True 3. Explain how to use a return statement to return a value to a statement that calls a function. To actually return a value to a $ReturnValue variable, the code must include a return statement within the averageNumbers() function. 4. A variable that is declared outside a function is called a variable. d. global 5. A local variable must be declared . c. within the braces of a function definition 6. Explain the difference between passing a parameter to a function by value versus by reference. 7. Which of the following is the correct syntax for an if statement? c. if ($MyVariable == 10) echo "Your variable is equal to 10."; 8. An if statement can include multiple statements provided that they . d. are contained within a command block 9. Which is the correct syntax for an else clause?
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b. else echo "Displayed from an else clause."; 10. Th e switch statement controls program flow by executing a specific set of statements, depending on
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