6.
We can use _________ to comment a single line?
1. /?
2. //
3. #
4. /* */

7.
Which of the following php statement/statements will store 111 in variable num?
1. int $num = 111;
2. int mum = 111;
3. $num = 111;
4. 111 = $num;

8.
What will be the output of the following php code?
<?php
$num  = 1;
$num1 = 2;
print $num . "+". $num1;
?>

9.
What will be the output of the following php code?
<?php
$num  = "1";
$num1 = "2";
print $num+$num1;
?>

10.
Which of following variables can be assigned a value to it?
1. $3hello
2. $_hello
3. $this
4. $This