A PHP script should start with ___ and end with ___:

A PHP script should start with ___ and end with ___:

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1) What will be the output of the following code?

function track()
  {
 	static $count = 0;
  $count++;
 	echo $count;
 }
 track();
 track();
 track();

2) 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;

3) What will be the output of the following php code?

 $num  = "1";
 $num1 = "2";
 print $num+$num1;
 ?>

4) Which of the below statements is equivalent to $add += $add ?

5) What will be the output of the following PHP code?

$num = 10;
 echo 'What is her age? n She is $num years old';