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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.
Q 1 - Which of the following is true about php.ini file?
Answer : C
Explanation
Both of the above options are correct.
Q 2 - Which of the following is correct about determine the "truth" of any value not already of the Boolean type?
A - If the value is a number, it is false if exactly equal to zero and true otherwise.
Answer : D
Explanation
All of the above options are correct.
Q 3 - Which of the following is correct about constants?
A - Unlike with variables, you do not need to have a constant with a $.
B - Only scalar data (boolean, integer, float and string) can be contained in constants.
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 to generate random numbers using PHP?
Answer : B
Explanation
The PHP rand() function is used to generate a random number. This function can generate numbers with-in a given range. The random number generator should be seeded to prevent a regular pattern of numbers being generated. This is achieved using the srand() function that specifiies the seed number as its argument.
Q 6 - Which of the following function opens a file?
Answer : A
Explanation
The PHP fopen() function is used to open a file. It requires two arguments stating first the file name and then mode in which to operate.
Q 7 - Which of the following is used to check if session variable is already set or not in PHP?
Answer : C
Explanation
Make use of isset() function to check if session variable is already set or not.
Q 8 - Which of the following provides the error code associated with this file upload?
Answer : A
Explanation
$_FILES['file']['error'] − it provides the error code associated with this file upload.
Q 9 - Which of the following is correct about eregi() function?
Answer : B
Explanation
The eregi() function searches throughout a string specified by pattern for a string specified by string. The search is not case sensitive.
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.