PHP Functions
What will be the output of the following PHP code ?
function addFunction($num1, $num2)
{
$sum = $num1 + $num2;
return $sum;
}
$return_value = addFunction(10, 20);
echo "Returned value from the function : " .$return_value

Returned value from the function :
Returned value from the function : $return_value
Error
Returned value from the function : 30

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