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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 type of variables are sequences of characters, like 'PHP supports string operations.'?
Answer : A
Explanation
Strings: are sequences of characters, like 'PHP supports string operations.'
Q 3 - Which of the following is correct about NULL?
A - NULL is a special type that only has one value: NULL.
B - The special constant NULL is capitalized by convention, but actually it is case insensitive.
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 - How will you concatenate two strings?
Answer : A
Explanation
To concatenate two string variables together, use the dot (.) operator.
Q 7 - Which of the following is used to check that a cookie is set or not?
Answer : C
Explanation
You can use isset() function to check if a cookie is set or not.
Q 8 - Which of the following is an associative array of variables passed to the current script via HTTP cookies?
Answer : C
Explanation
$_COOKIE − An associative array of variables passed to the current script via HTTP cookies.
Q 9 - Which of the following is correct about preg_match() function?
Answer : C
Explanation
The preg_match() function searches string for pattern, returning true if pattern exists, and false otherwise.
Q 10 - Which of the following method connect a MySql database using PHP?
Answer : A
Explanation
PHP provides mysql_connect function to open a database connection.
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