Which one is NOT a valid PHP comparison operator?

Select one:

a. !=

b. <>

c. !<

d. ===

Question 13

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What is an example of an open source shopping cart PHP application?

Select one:

a. Amazon

b. Facebook

c. osCommerce

d. ShopNow

Question 14

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What will be displayed by this code?

Select one:

a. Nothing

b. test()

c. Blinking text

d. HELLO WORLD!

Question 15

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How can comments be implemented in PHP?

Select one:

a. // commented code to the end of the line

b. /* commented code can be on multiple lines */

c. # commented code to the end of the line

d. All of the above

Question 16

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PHP server scripts are surrounded by what delimiters?

Select one:

a. <&>

b.

c.

d.