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

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



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

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

3) Which of the below symbols is a newline character?

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

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

5) Which version of PHP introduced Try/catch Exception?

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