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200-550 Exam Dumps - Zend Certified PHP Engineer

Searching for workable clues to ace the Zend 200-550 Exam? You’re on the right place! ExamCert has realistic, trusted and authentic exam prep tools to help you achieve your desired credential. ExamCert’s 200-550 PDF Study Guide, Testing Engine and Exam Dumps follow a reliable exam preparation strategy, providing you the most relevant and updated study material that is crafted in an easy to learn format of questions and answers. ExamCert’s study tools aim at simplifying all complex and confusing concepts of the exam and introduce you to the real exam scenario and practice it with the help of its testing engine and real exam dumps

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Question # 25

Which of the following expressions will evaluate to a random value from an array below?

$array = array("Sue","Mary","John","Anna");

A.

array_rand($array);

B.

array_rand($array, 1);

C.

shuffle($array);

D.

$array[array_rand($array)];

E.

array_values($array, ARRAY_RANDOM);

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Question # 26

What function can be used to retrieve an array of current options for a stream context?

A.

stream_context_get_params

B.

stream_context_get_default

C.

stream_context_get_options

D.

The 'options' element of the stream_get_meta_data return value

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Question # 27

When a query that is supposed to affect rows is executed as part of a transaction, and reports no affected rows, it could mean that: (Choose 2)

A.

The transaction failed

B.

The transaction affected no lines

C.

The transaction was rolled back

D.

The transaction was committed without error

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Question # 28

What is the result of the following bitwise operation in PHP?

1 ^ 2

A.

1

B.

3

C.

2

D.

4

E.

-1

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Question # 29

What is the output of the following code?

function z($x) {

return function ($y) use ($x) {

return str_repeat($y, $x);

};

}

$a = z(2);

$b = z(3);

echo $a(3) . $b(2);

A.

22333

B.

33222

C.

33322

D.

222333

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Question # 30

Which of these databases is NOT supported by a PDO driver?

A.

Microsoft SQL Server

B.

SQLite

C.

Microsoft Access

D.

Berkeley DB

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Question # 31

After performing the following operations:

$a = array('a', 'b', 'c');

$a = array_keys(array_flip($a));

What will be the value of $a?

A.

array('c', 'b', 'a')

B.

array(2, 1, 0)

C.

array('a', 'b', 'c')

D.

None of the above

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Question # 32

Which of the following code snippets DO NOT write the exact content of the file "source.txt" to "target.txt"? (Choose 2)

A.

file_put_contents("target.txt", fopen("source.txt", "r"));

B.

file_put_contents("target.txt", readfile("source.txt"));

C.

file_put_contents("target.txt", join(file("source.txt"), "\n"));

D.

file_put_contents("target.txt", file_get_contents("source.txt"));

E.

$handle = fopen("target.txt", "w+"); fwrite($handle, file_get_contents("source.txt")); fclose($handle);

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