Passaggio di variabili a funzioni

[dottwatson]

<?php
function makecoffee($types = array("cappuccino"), $coffeeMaker = NULL)
{
$device = is_null($coffeeMaker) ? "hands" : $coffeeMaker;
return "Making a cup of ".join(", ", $types)." with $device.\n";
}
echo makecoffee();
echo makecoffee(array("cappuccino", "lavazza"), "teapot");
?>

unction makecoffee($types = array("cappuccino"), $coffeeMaker = NULL)

$device = is_null($coffeeMaker) ? "hands" : $coffeeMaker;

dichiara NULL la variabile $coffeeMaker

e poi fa l' if con is_null($coffeeMaker)


....