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Zend Certified PHP Engineer Questions 6–10 (page: 3)

Updated On: 9-Feb-2026

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QUESTION: 6

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

function 4You() { }
function _4You() { }
function object() { }
$1 = "Hello";
$_1 = "Hello World";

Answer(s): B,C,E

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QUESTION: 7

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

$_SERVER
$_ENV
$_POST
$_FILES
$_GET

Answer(s): D

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QUESTION: 8

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

There is no difference.
Print has a return value, echo does not
Echo has a return value, print does not
Print buffers the output, while echo does not
None of the above

Answer(s): B

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QUESTION: 9

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

1
3
5
20
7

Answer(s): C

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QUESTION: 10

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

1
3
2
4
-1

Answer(s): B

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