Which of the below symbols is a newline character?

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Which of the below symbols is a newline character?



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1) Which of following variables can be assigned a value to it?

  1. $3hello
  2. $_hello
  3. $this
  4. $This

2) We can use _________ to comment a single line?

  1. /?
  2. //
  3. #
  4. /* */

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

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

$score = 1234;
$scoreboard = (array) $score;
echo $scoreboard[0];

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

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

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