<html>
<head>
<!-- Created by JohnKagga http://johnkagga.me -->
<title> Functions </title>
</head>
<body>
<!-- function without an argument -->
<?php
function sayName()
{
echo "My name is John Kagga <br>";
}
sayName();
?>
<!-- function with an argument -->
<?php
function sayName2($name)
{
echo "My name is {$name} <br>";
}
sayName2("John");
sayName2("Kagga");
?>
</body>
</html>
echo "My name is John Kagga <br>";
}
sayName();
?>
<!-- function with an argument -->
<?php
function sayName2($name)
{
echo "My name is {$name} <br>";
}
sayName2("John");
sayName2("Kagga");
?>
<?php
$name = "wang yang";
sayName2($name);
// define a new function
function sayName3($greeting, $target, $punct)
{
echo $greeting . ", " . $target . $punct . "!";
}
sayName3("Good evening", $name, "!");
?>
<!-- returning a value from a function -->
<br>
<?php
function addition($var1, $var2)
{
$sum = $var1 + $var2;
return $sum;
}