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Free 200-550 Exam Braindumps (page: 4)

Page 3 of 56
PDF with 223 Questions

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

  1. 1
  2. 3
  3. 5
  4. 20
  5. 7

Answer(s): C



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

  1. 1
  2. 3
  3. 2
  4. 4
  5. -1

Answer(s): B



What is the output of the following code?
echo "22" + "0.2", 23 . 1;

  1. 220.2231
  2. 22.2231
  3. 22.2, 231
  4. 56.2

Answer(s): B



What is the output of the following code?

$first = "second";
$second = "first";
echo $$$first;

  1. "first"
  2. "second"
  3. an empty string
  4. an error

Answer(s): B






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