Minor refactoring.
function hiThere($name) { echo "Hello {$name}, welcome to PHP!"; }; hiThere("Austin");
1 − function hiThere ($name) {
2 − echo "Hello $name, welcome to PHP!";
1 + function hiThere($name) {
2 + echo "Hello {$name}, welcome to PHP!";
3 3 };
4 4 5 5 hiThere("Austin");
6 − 7 − # returns "Hello Austin, welcome to PHP!"