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NO.1 What is the output of the following code?
echo "1" + 2 * "0x02";
A. 6. What is the output of the following code?
$a = 'a'; $b = 'b';
echo isset($c) ? $a.$b.$c : ($c = 'c').'d';
A. abc
B. cd
C. 0d
B. 5
C. 9. What is the output of the following code?
echo "22" + "0.2", 23 . 1;
A. 220.2231
B. 22.2231
C. 22.2,231
D. 56.2
D. 1
E. 10. Which of the following may be used in conjunction with CASE inside a SWITCH statement?
A. A scalar
B. An expression
C. A boolean
D. All of the above
F. 7
G. 12. What is "instanceof" an example of?
A. a boolean
B. an operator
C. a function
D. a language construct
E. a class magic
H. 7. What super-global should be used to access information about uploaded files via a POST
request?
A. $_SERVER
B. $_ENV
C. $_POST
D. $_FILES
E. $_GET
I. 20
J. 3
K. 8. What is the output of the following code?
$a = 3;
switch ($a) { case 1: echo 'one'; break; case 2: echo 'two'; break; default: echo 'four'; break; case 3:
echo 'three'; break;
}
A. one
B. two
C. three
D. four
L. 11. What is the result of the following bitwise operation in PHP?
1 2
A. 1
B. 3
C. 2
D. 4
E. -1
Answer: B

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NO.2 What is the output of the following code?
$first = "second";
$second = "first";
echo $$$first;
A. an empty string
B. an error
C. "first"
D. "second"
Answer: D

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