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week10b.php
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<html>
<head>
<title>IS218 Demo - Week 10B</title>
</head>
<body>
<?php
// ARRAYS
$myArray = array(1,2,3,4,5);
echo "Array Value: " . $myArray[2];
//print_r($myArray);
?>
<br /><br />
<!--
<?php
/* Defining a PHP Function */
function writeMessage() {
echo "This is a message!";
}
/* Calling a PHP Function */
writeMessage();
?>
-->
<br /><br />
<!--
<?php
/* Function with Parameters */
function addFunction($num1, $num2) {
$sum = $num1 + $num2;
echo "Sum of the two numbers is : $sum";
}
addFunction(10, 20);
?>
-->
<br /><br />
<!--
<?php
/* Passing arguments by reference */
// Parameter == in definition
// Argument == in function calls
function addFive($num) {
$num += 5;
}
function addSix(&$num) {
$num += 6;
}
$orignum = 10;
addFive( $orignum );
echo "Original Value is $orignum<br />";
addSix( $orignum );
echo "Original Value is $orignum<br />";
?>
-->
<br /><br />
<!--
<?php
/* Returning values */
function newAddFunction($num1, $num2) {
$sum = $num1 + $num2;
return $sum;
}
$return_value = newAddFunction(10, 20);
echo "Returned value from the function : $return_value";
?>
-->
<br /><br />
<!--
<?php
/* Default values */
function printMe($param = NULL) {
print $param;
}
printMe("This is test");
printMe();
?>
-->
<br /><br />
<!--
<?php
/* Dynamic function calls */
function sayHello() {
echo "Hello<br />";
}
$function_holder = "sayHello";
$function_holder();
?>
-->
</body>
</html>