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Exam Name: Zend Certified PHP Engineer
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Zend-Technologies 200-550 certificate exam 223 Q&As
Updated: 11-16,2016
200-550 exam topic Detail: 200-550 certificate exam
NO.1 Which of the following are valid identifiers? (Choose 3)
A. function _4You() { }
B. function 4You() { }
C. $1 = "Hello";
D. function object() { }
E. $_1 = "Hello World";
Answer: A,D,E
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NO.2 What is the output of the following code?
echo '1' . (print '2') + 3;
A. 213
B. Syntax error
C. 142
D. 214
E. 123
Answer: D
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NO.3 What is the difference between "print" and "echo"?
A. Print has a return value, echo does not
B. Echo has a return value, print does not
C. Print buffers the output, while echo does not
D. None of the above
E. There is no difference.
Answer: A
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NO.4 What is the output of the following code?
$first = "second";
$second = "first";
echo $$$first;
A. "second"
B. "first"
C. an error
D. an empty string
Answer: A
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