Novell Placement Paper -: PHP Questions With Answers

Novell Previous Years Solved Sample Placement Papers

1. Which PHP function determines the last access time of a file?
   

   A. filetime()

   B. fileatime() Answer: Option B

   C. filectime()

   D. None of the above

2. Solution: The fileatime() function in PHP is used to return the last access time of a file as a UNIX timestamp. On failure, the fileatime() returns false.
3. Which PHP function is capable of reading a specific number of characters from a file?
   

   A. filegets()

   B. fget()

   C. fgets() Answer: Option C

   D. None of the above

4. Solution: The PHP fgets() function is used to read a single line from a file.
5. Which PHP function is used to find the position of the last occurrence of a substring inside another string?
   

   A. strops()

   B. strrpos() Answer: Option B

   C. strtr()

   D. None of the above

6. Solution: The strrpos() is an in-built function of PHP that finds the position of the last occurrence of a substring inside another string. It is a case-sensitive function.
7. What will be the output of the following program?
   <?php
echo "Welcome" . "to" . "the" . "javaTpoint.com";
?>
   

   A. Welcome to the javaTpoint.com

   B. Welcome, to, the, javaTpoint.com

   C. WelcometothejavaTpoint.com Answer: Option C

   D. Error

8. Solution: In the echo statement, the . (dot) operator is used to join strings, resulting in "WelcometothejavaTpoint.com".
9. What will be the output of the following program?
   <?php
echo "Welcome", "to", "the", "javaTpoint.com";
?>
   

   A. Welcome to the javaTpoint.com

   B. Welcome, to, the, javaTpoint.com

   C. WelcometothejavaTpoint.com Answer: Option C

   D. Error

10. Solution: Multiple strings separated by a comma (,) in the echo statement are joined, resulting in "WelcometothejavaTpoint.com".
11. What will be the output of the following program?
    <?php
$var1 = "Hello";
$var2 = "World";
echo $var1, $var2;
?>
    

    A. HelloWorld Answer: Option A

    B. Hello, World

    C. Hello World

    D. None of the above

12. Solution: Multiple strings separated by a comma (,) in the echo statement result in "HelloWorld".
13. What will be the output of the following program?
    <?php
$var1 = "Hello";
$var2 = "World";
echo "$var1$var2";
?>
    

    A. HelloWorld Answer: Option A

    B. "$var1$var2"

    C. Hello World

    D. None of the above

14. Solution: When variables are inside double quotes, their values are substituted, resulting in "HelloWorld".
15. What will be the output of the following program?
    <?php
$a;
if ($a)
{
echo "hi";
}
else
{
echo "How are you";
}
?>
    

    A. Hi How are you

    B. How are you Answer: Option B

    C. Hi

    D. None of the above

16. Solution: The variable $a is uninitialized, so the if condition fails, and the else block prints "How are you".
17. What will be the output of the following program?
    <?php
$a = 0;
while ($a++)
{
echo "$a";
}
echo $a;
?>
    

    A. 0

    B. 1 Answer: Option B

    C. 01

    D. None of the above

18. Solution: Due to the post-increment, the condition is checked before incrementing. As the initial value 0 fails the condition, the loop does not execute, and 1 is printed.