<?php echo '<h1>De uitkomst van de aftreksom:</h1> <h2>' . $valA . ' - ' . $valB . ' = ' . substract($valA, $valB) . '</h2>';
echo welcome(' Chris', '18');
print "\n";
//Practice 2: Function Decleration
function add($num1, $num2)
{
print +$num1 + $num2;
print "\n";
}
echo add(2, 3);
//Practice 3
function substract($num1, $num2)
{
$total = $num1 - $num2;
return $total;
}
print substract(5, 3);
//Practicing If Statements
$name = 'Top';
if ($name == 'Chris') {
echo 'Hello Chris';
} elseif ($name = 'Tom') {
echo 'Welcome Tom';
} else {
echo 'You are not Chris';
}
?>
<!DOCTYPE html>
<html>
<body>
<h1>My First Heading</h1>
