Novell Placement Paper -: PHP Questions With Answers

Novell Previous Years Solved Sample Placement Papers

1. Which of the following function is used to set cookie in PHP?

   A. createcookie()

   B. makecookie()

   C. setcookie() Answer: Option C

   D. None of the above

2. Solution: PHP cookie is a small piece of information that is stored at the client browser. It is used to recognize the user. PHP setcookie() function is used to set a cookie with HTTP response. Once the cookie is set, you can access it by the $_COOKIE superglobal variable.

3. Which of the following function is used to get the ASCII value of a character in PHP?

   A. val()

   B. asc()

   C. ascii()

   D. chr() Answer: Option D

4. Solution: The PHP chr() function is used to generate a single byte string from a number. In other words, it returns a character from a specified ASCII value.

5. Which of the following function is used to unset a variable in PHP?

   A. delete()

   B. unset() Answer: Option B

   C. unlink()

   D. None of the above

6. Solution: The unset() function is a predefined variable handling function of PHP, which is used to unset a specified variable. In other words, "the unset() function destroys the variables".

7. Which of the following function is used to sort an array in descending order?

   A. sort()

   B. asrot()

   C. dsort()

   D. rsort() Answer: Option D

8. Solution: The PHP rsort() function is used to sort an array in descending order. This function was introduced in PHP 4.0.

9. Which of the following is/are the code editors in PHP?

   A. Notepad++

   B. Notepad

   C. Adobe Dreamweaver

   D. All of the above Answer: Option D

10. Solution: PHP programs can be written on any editor, such as Notepad, Notepad++, Dreamweaver, etc. These programs are saved with a .php extension, i.e., filename.php inside the htdocs folder.

11. Which of the following is used to end a statement in PHP?

    A. . (dot)

    B. ; (semicolon) Answer: Option B

    C. ! (exclamation)

    D. / (slash)

12. Solution: PHP statements end with a semicolon (;).

13. Which of the following function in PHP can be used to test the type of any variable?

    A. showtype()

    B. gettype() Answer: Option B

    C. settype()

    D. None of the above

14. Solution: The gettype() function is an inbuilt function in PHP, and as its name implies, it returns the type of a variable. The gettype() function in PHP is used to check the type of an existing variable.

15. String values in PHP must be enclosed within -

    A. Double Quotes

    B. Single Quotes

    C. Both (a) and (b) Answer: Option C

    D. None of the above

16. Solution: There are 4 ways to specify a string literal in PHP:
    • single quoted
    • double quoted
    • heredoc syntax
    • newdoc syntax (since PHP 5.3)
    We can create a string in PHP by enclosing the text in a single-quote. It is the easiest way to specify a string in PHP. In PHP, we can specify a string through enclosing text within double quotes also. But escape sequences and variables will be interpreted using double-quote PHP strings.