<?php
/**
* Add Values
*
* @param integer $x
* @param integer $y
* @param integer $z
* @return integer
*/
function addValues($x, $y, $z = 0)
{
return $x + $y + $z;
}
echo '<p>Add Values 10 and 5: ';
// escape output
echo htmlspecialchars(addValues(10, 5));
echo '</p>';
echo '<p>Add Values 10, 5 and 3: ';
// escape output
echo htmlspecialchars(addValues(10, 5, 3));
echo '</p>';
<?php
function ourFunction($x)
{
echo $x . ".<br />";
for ($x = 0; $x <= 10; $x++) {
echo "The number is: {$x} <br>";
}
}
$y = "black";
echo "My car color is ";
ourFunction("white");
echo "My car color is ";
ourFunction("{$y}");
$fruits[0] = "pineapple";
$fruits[1] = "pomegranate";
$fruits[2] = "tangerine";
print_r($fruits);
function addValues($x, $y)
{
$total = $x + $y;
return $total;
}
echo "2 + 2 = " . addValues(2, 2);
?>
<?php
function addValues()
{
$sum = 0;
for ($i = 1; $i <= func_num_args(); $i++) {
$sum += func_get_arg($i);
}
return $sum;
}
echo addValues(1, 2, 3);
{
echo "<h1>Welcome to our website</h1>";
echo "<p>Please enjoy the dynamic content</p>";
}
printWelcome();
function sayHello($name, $greeting = "Hello there")
{
echo "<h1>Welcome to {$name}</h1>";
echo "<p>{$greeting}</p>";
}
sayHello("Brian the dog", "Who's a good boy then?");
sayHello("Mike");
function addValues($valA, $valB)
{
$answer = $valA + $valB;
return $answer;
}
echo "The answer to 4 + 2 is " . addValues(4, 2) . "<br>";
$answer = addValues(100, 50) * 10;
echo "Asnwer is {$answer}<br>";
// puzzle
$users = "Bob, Mary, Peter,Jane,Sue ,Mike , Greeta ";
// make array of names
$userList = explode(",", $users);
// tidy up array and remove white space
foreach ($userList as $index => $user) {
$userList[$index] = trim($user);
}
echo "<pre>";
print_r($userList);
echo "</pre>";
