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Zend Certified PHP Engineer Exam: 200-550

QUESTION: 1
What is the output of the following code? echo '1' . (print '2') + 3;
A. 123
B. 213
C. 142
D. 214
E. Syntax error
Answer: D
QUESTION: 2
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
Answer: C

QUESTION: 3
What is "instanceof" an example of?
A. a boolean
B. an operator
C. a function
D. a language construct E. a class magic
Answer: B QUESTION: 4 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
Answer: D
QUESTION: 5
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. Od
Answer: B

QUESTION: 6
Which of the following are valid identifiers? (Choose 3)
A. function 4Y…