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PHP Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to PHP. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Answer : A
Explanation
false! PHP is whitespace insensitive means that it almost never matters how many whitespace characters you have in a row.one whitespace character is the same as many such characters.
Q 2 - Which of the following type of variables are special type that only has one value: NULL?
Answer : D
Explanation
NULL: is a special type that only has one value: NULL.
Q 3 - Which of the following is correct about NULL?
A - A variable that has been assigned NULL evaluates to FALSE in a Boolean context.
B - A variable that has been assigned NULL returns FALSE when tested with IsSet() function.
Answer : C
Explanation
Both of the above options are correct.
Q 4 - Which of the following keyword causes the loop to skip the remainder of its body and immediately retest its condition prior to reiterating?
Answer : B
Explanation
continue causes the loop to skip the remainder of its body and immediately retest its condition prior to reiterating.
Q 5 - Which of the following variable is used for the PHP script name?
Answer : A
Explanation
The PHP default variable $_PHP_SELF is used for the PHP script name and when you click "submit" button then same PHP script will be called.
Q 6 - If there is any problem in loading a file then the include() function generates a warning but the script will continue execution.
Answer : A
Explanation
If there is any problem in loading a file then the include() function generates a warning but the script will continue execution.
Q 7 - Which of the following function is used to check if a file exists or not?
Answer : D
Explanation
File's existence can be confirmed using file_exist() function which takes file name as an argument.
Q 8 - Which of the following is used to destroy the session?
Answer : D
Explanation
A PHP session can be destroyed by session_destroy() function.
Q 9 - Which of the following method of Exception class returns the code of exception when error occured?
Answer : B
Explanation
getCode() method of Exception class returns the code of exception.
Q 10 - Which of the following method returns current date and time?
Answer : A
Explanation
PHP's time() function gives you all the information that you need about the current date and time. It requires no arguments but returns an integer.