Novell Placement Paper -: PHP Questions With Answers

Novell Previous Years Solved Sample Placement Papers

1. Which of the following variable name is invalid?
   

   A. $newVar

   B. $new_Var

   C. $new-var Answer: Option C

   D. All of the above

2. Solution: In PHP, a variable is declared using a $ sign followed by the variable name. A variable name must start with a letter or underscore (_) character. A PHP variable name cannot contain spaces.
3. Which of the following is the correct way to create an array in PHP?
   

   A. $season = array["summer" , "winter" , "spring" , "autumn"];

   B. $season = array("summer" , "winter" , "spring" , "autumn"); Answer: Option B

   C. $season = "summer" , "winter" , "spring" , "autumn";

   D. All of the above

4. Solution: None.
5. Which of the following is a built-in function in PHP that adds a value to the end of an array?
   

   A. array_push() Answer: Option A

   B. inend_array()

   C. into_array()

   D. None of the above

6. Solution: The array_push() is a built-in function in PHP. This function helps users add elements at the end of an array. It allows inserting any number of elements into an array, including strings and numeric values.
7. Which of the following function in PHP returns a text in title case from a variable?
   

   A. toUpper($var)

   B. ucwords($var) Answer: Option B

   C. ucword($var)

   D. All of the above

8. Solution: The ucwords() is an in-built function in PHP, which converts the first character of each word in a string to uppercase. The other characters of the string remain unchanged.
9. Which of the following is the correct way to print "Hello World" in PHP?
   

   A. "Hello World";

   B. write("Hello World");

   C. echo "Hello World"; Answer: Option C

   D. None of the above

10. Solution: PHP echo is a language construct, not a function. Therefore, you don't need to use parentheses with it. The correct way to print "Hello World" in PHP is:
    echo "Hello World";
11. Which of the following function is used to compress a string in PHP?
    

    A. compress()

    B. zip_compress()

    C. gzcompress() Answer: Option C

    D. zip()

12. Solution: The gzcompress() function in PHP compresses the given string using the ZLIB format.
13. What does SPL stand for in PHP?
    

    A. Standard PHP Library Answer: Option A

    B. Simple PHP Library

    C. Simple PHP List

    D. None of the above

14. Solution: In PHP, SPL stands for "Standard PHP Library."
15. Which of the following function converts a string to all uppercase?
    

    A. upper()

    B. uppercase()

    C. struppercase()

    D. strtoupper() Answer: Option D

16. Solution: The strtoupper() function in PHP converts all lowercase English characters in a string to uppercase.
17. The function in PHP that can be used to concatenate array elements to form a single delimited string is -
    

    A. implode() Answer: Option A

    B. concat()

    C. explode()

    D. concatenate()

18. Solution: PHP implode() is a string function that joins the elements of an array into a single string. It works similarly to the join() function.