PHP files have a default file extension of..

PHP files have a default file extension of..

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1) Which statement will output $x on the screen?

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

$total = "25 students";
 $more = 10;
 $total = $total + $more;
 echo "$total";

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

$color = "maroon";
 $var = $color[2];
 echo "$var";

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

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

5) 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;