Question 6 of 223

Which of the following are valid identifiers? (Choose 3)
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The suggested answer is B, C, E.

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Question 7 of 223

What super-global should be used to access information about uploaded files via a POST request?
Answer

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The suggested answer is D.

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Question 8 of 223

What is the difference between "print" and "echo"?
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The suggested answer is B.

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Question 9 of 223

What is the output of the following code?
echo "1" + 2 * "0x02";
Answer

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The suggested answer is C.

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Question 10 of 223

What is the result of the following bitwise operation in PHP?
1 ^ 2
Answer

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The suggested answer is B.

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