PHP Functions
What will be the output of the following PHP code ?
function calc($num1, $num2)
{
$total = $num1 * $num2;
return $total;
}
$result = calc(42, 0);
echo $result;

42
84
0
Error

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PHP Functions
What will be the output of the following PHP code?
$title = "O'malley wins the heavyweight championship!";
echo ucwords($title);

O’malley Wins The Heavyweight Championship!
o’malley wins the heavyweight championship!
O’Malley wins the heavyweight championship!
O’Malley Wins The Heavyweight Championship!

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PHP Functions
What will be the output of the following PHP code?
$str = "Hello world. It's a beautiful day.";
print_r (explode(" ",$str));

Array ( [0] => Hello [1] => world. [2] => It’s [3] => a [4] => beautiful [5] => day. )
Array ( [1] => Hello [2] => world. [3] => It’s [4] => a [5] => beautiful [6] => day. )
Array ( [0] => Hello [0] => world. [0] => It’s [0] => a [0] => beautiful [0] => day. )
Hello world. It’s a beautiful day

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