PHP files have a default file extension of..
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1) A PHP script should start with ___ and end with ___:
2) What will be the output of the following PHP code?
$num = 10;
echo 'What is her age? n She is $num years old';
3) Which of the following is/are a PHP code editor?
4) Which of the following PHP statements will output Hello World on the screen?
5) What will be the output of the following php code?
$num = 1;
$num1 = 2;
print $num . "+". $num1;