Novell Placement Paper -: PHP Questions With Answers

Novell Previous Years Solved Sample Placement Papers

1. Which of the following is used for concatenation in PHP?
   

   A. + (plus)

   B. * (Asterisk)

   C. . (dot) Answer: Option C

   D. append()

2. Solution: In PHP, the . (dot) operator is used for concatenation. Suppose there are two variables $a and $b, so the statement $a . $b will concatenate both $a and $b.
3. Which of the following starts with __ (double underscore) in PHP?
   

   A. Inbuilt constants

   B. User-defined constants

   C. Magic constants Answer: Option C

   D. Default constants

4. Solution: Magic constants are the predefined constants in PHP which get changed on the basis of their use. They start with a double underscore (__) and end with a double underscore.
5. Which of the following is the use of strpos() function in PHP?
   

   A. The strpos() function is used to search for the spaces in a string

   B. The strpos() function is used to search for a number in a string

   C. The strpos() function is used to search for a character/text in a string Answer: Option C

   D. The strpos() function is used to search for a capitalize character in a string

6. Solution: The strpos() function is an in-built function of PHP. It is used to find the position of the first occurrence of a string inside another string or substring in a string.
7. What does PEAR stand for?
   

   A. PHP extension and application repository Answer: Option A

   B. PHP enhancement and application reduce

   C. PHP event and application repository

   D. None of the above

8. Solution: PEAR is a framework and repository for reusable PHP components. PEAR stands for PHP Extension and Application Repository. It contains all types of PHP code snippets and libraries.
9. Which of the following is the correct way to create a function in PHP?
   

   A. Create myFunction()

   B. New_function myFunction()

   C. function myFunction() Answer: Option C

   D. None of the above

10. Solution: The syntax to declare user-defined functions in PHP is:
    function functionname() {
// code to be executed
}
11. Which of the following PHP functions is used to generate a unique ID?
    

    A. id()

    B. mdid()

    C. uniqueid() Answer: Option C

    D. None of the above

12. Solution: The PHP function uniqueid() is used to generate a unique identifier. It is often used to create unique values for session IDs or other identifiers.
13. Which of the following is the correct way of defining a variable in PHP?
    

    A. $variable name = value;

    B. $variable_name = value; Answer: Option B

    C. $variable_name = value

    D. $variable name as value;

14. Solution: In PHP, a variable is declared using a $ sign followed by the variable name. A PHP variable name cannot contain spaces.
    Syntax: $variable_name = value;