Zend 200-550 Certification Practice Questions & Answers

Question 6 of 223

Which of the following are valid identifiers? (Choose 3)

Question 7 of 223

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

Question 8 of 223

What is the difference between "print" and "echo"?

A.

There is no difference.

B.

Print has a return value, echo does not

C.

Echo has a return value, print does not

D.

Print buffers the output, while echo does not

E.

None of the above

Question 9 of 223

What is the output of the following code?

echo "1" + 2 * "0x02";

Question 10 of 223

What is the result of the following bitwise operation in PHP?

1 ^ 2