11.Identify the correct code for the output:

Country:- JAPAN

a.$c = "Japan";

echo "Country:-". strtoupper($c);

b.$c = "Jaqan";

echo "Country:-". strtoupper($c);

c.$c = "Jaqan";

echo "Country:-". strtolower($c);

d.$c = "Japan";

echo "Country:-". strtolower($c);

12._________ Arrays where the index is an integer number.

a.Associative

b.None

c.Numeric

d.Positive

13.isset(); is a _______ function.

a.String

b.Boolean

c.None

d.Integer

14.To get the number of elements in the array we use ________ function.

a.strtoupper();

b.strtolower();

c.isset();

d.sizeof();

15.Given is a ________ example of creating array with values.

$months = [1=>"Jan","Feb","Mar","Apr"];

a.invalid

b.None

c.correct

d.incorrect