Zend 200-550 Exam Questions

Question 6 of 223

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

A.

1

B.

3

C.

2

D.

4

E.

-1

Correct Answer: B

Question 7 of 223

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

A.

220.2231

B.

22.2231

C.

22.2,231

D.

56.2

Correct Answer: B

Question 8 of 223

What is the output of the following code?
$first = "second";
$second = "first";
echo $$$first;

A.

"first"

B.

"second"

C.

an empty string

D.

an error

Correct Answer: B

Question 9 of 223

SIMULATION -
Your supervisor wants you to disallow PHP scripts to open remote HTTP and FTP resources using PHP's file functions. Which php.ini setting should you change accordingly?

Correct Answer:

Question 10 of 223

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);

Correct Answer: B, C