PHP

Online Test :: PHP Programming Test
Number of questions : 30 | Time : 30 minutes

Instruction:

Total Number of Questions: 30
Time alloted: 30 minutes
Each question carry 1 mark each, no negative marking
NOTE:
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1. Which of the following is used to declare a constant
A. const
B. constant


C. define
D. #pragma


E. def
2. What gets printed?
$var = 'false';

if ($var) {
    echo 'true';
} else {
    echo 'false';
}
A. true
B. false



3. Which of the following is the way to create comments in PHP?
A. // commented code to end of line
B. /* commented code here */


C. # commented code to end of line
D. all of the above


4. What does PHP stand for?
A. Preprocessed Hypertext Page
B. Hypertext Markup Language


C. PHP: Hypertext Preprocessor
D. Hypertext Transfer Protocol


5. What will be the value of $var?
A. 0
B. 0.5


C. 1


6. How do we access the value of 'd' later?
$a = array(
    'a',
    3 => 'b',
    1 => 'c',
    'd'
);
A. $a[0]
B. $a[1]


C. $a[2]
D. $a[3]


E. $a[4]
7. Which of the following is NOT a valid PHP comparison operator?
A. !=
B. >=


C. <=>
D. <>


E. ===
8. What gets printed?
class MyException extends Exception {}

try {
  throw new MyException('Oops!');
} catch (Exception $e) {
  echo "Caught Exception
";
} catch (MyException $e) {
  echo "Caught MyException
";
}
A. Caught Exception
B. Caught MyException



9. Which statement about the code below is correct?
class A {}

class B {}

class C extends A, B {}
A. the code is perfectly fine
B. classes can not be empty


C. class C can not extend both A and B
D. qualifiers 'public' or 'private' are missing in class definitions


10. Which of the following is NOT a magic predefined constant?
A. __LINE__
B. __FILE__


C. __DATE__
D. __CLASS__


E. __METHOD__
11. What gets printed?
<?php

$RESULT = 11 + 011 + 0x11;

echo "$RESULT";

?>
A. 11
B. 22


C. 33
D. 37


E. 39
12. What is the strpos() function used for?
A. Find the last character of a string
B. Both b and c


C. Search for character within a string
D. Locate position of a string’s first character


13. Which of the following differences are valid between PHP 4 and PHP 5?
A. Built-in native support for SQLite
B. Both a and c


C. improved MySQL support
D. Support for inheritance


14. Can we use include (”test.php”) two times in a PHP page “test1.PHP”?
A. Yes
B. No



15. What is the difference between GET and POST method?
A. GET displays the form values entered in the URL of the address bar where as POST does not.
B. POST displays the form values entered in the URL of the address bar where as GET does not.


C. There is no difference


16. ____________ function in PHP Returns a list of response headers sent (or ready to send)
A. header()
B. headers_list()


C. header_sent()
D. header_send()


17. What is array_keys() used for?
A. Compares array keys, and returns the matches
B. Checks if the specified key exists in the array


C. Returns all the keys of an array
D. Both b and c above


18. How do I create PHP arrays in a HTML <form>?
A. < input name= MyArray[]/>
B. < input ="MyArray[]" />


C. < input name="MyArray[]" />
D. < input MyArray[] />


19. What is the difference between echo and print?
A. They both behave the same.
B. Print can take multiple parameters where as echo cannot


C. Echo can take multiple parameters where as print cannot
D. Print is a function where as echo is not.


20. What is the default size of a file set in upload_max_filesize ?
A. 1 MB
B. 2 MB


C. 2.5 MB
D. 3 MB


21. What is Joomla in PHP?
A. Set of library enriched with fucntions
B. An open source CMS


C. Framework for designing dynamic pages
D. framework and distribution system for reusable PHP components


22. What is the default execution time set in set_time_limit()?
A. 20 secs
B. 30 secs


C. 40 secs
D. 35 secs


23. Is strstr and strchr aliases?
A. Yes
B. No



24. Can I generate DLL files from PHP scripts like i can in Perl ?
A. No
B. yes



25. In which variable is the users IP address stored?
A. $DOMAIN
B. $GLOBALS


C. $_ENV
D. $REMOTE_ADDR


26. Can I run several versions of PHP at the same time?
A. Yes
B. No



27. Which function is used to Strip whitespace (or other characters) from the beginning and end of a string?
A. trim_str
B. strip_str


C. strip
D. trim


28. What is PHP heredoc used for?
A. allows creating single line of string without using quotations
B. allows creating multiple lines of string without using quotations


C. allows creating multiple lines of string with quotations
D. allows creating single lines of string with using quotations


29. Can echo in php accept more than 1 parameter?
A. Yes
B. No



30. What is the purpose of $_SESSION[]?
A. Used to register a global variable
B. Used to initialize a session.


C. Used to store variables of the current session
D. none of the above