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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 - Using which of the following way can you embed PHP code in an HTML page?
A - <?php PHP code goes here ?>
Answer : D
Explanation
All of the above options are correct.
Q 2 - Which of the following type of variables are floating-point numbers, like 3.14159 or 49.1?
Answer : B
Explanation
Doubles: are floating-point numbers, like 3.14159 or 49.1.
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 function is used to get length of a string?
Answer : B
Explanation
The strlen() function is used to find the length of a string.
Q 5 - Which of the following function can be used to get an array in the reverse order?
Answer : A
Explanation
array_reverse() − Returns an array in the reverse order.
Q 6 - Which of the following function checks if a specified value exists in an array?
Answer : B
Explanation
in_array() − Checks if a specified value exists in an array.
Q 7 - Which of the following is used to access session variables in PHP?
Answer : B
Explanation
Session variables are stored in associative array called $_SESSION[]. These variables can be accessed during lifetime of a session.
Q 8 - Which of the following contains a reference to every variable which is currently available within the global scope of the script?
Answer : A
Explanation
$GLOBALS − Contains a reference to every variable which is currently available within the global scope of the script. The keys of this array are the names of the global variables.
Q 9 - Which of the following gives a string containing PHP script file name in which it is called?
Answer : A
Explanation
$_PHP_SELF − A string containing PHP script file name in which it is called.
Q 10 - Which of the following method can be used to create a MySql database using PHP?
Answer : B
Explanation
PHP uses mysql_query function to create a MySQL database.
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