HYPERTEXT PREPROCESSOR

-Server Scripting

-by Richard Rembert

// To create a comment. Shown in code only. Indent 2spaces

/* Multiple line comment */

<?php ?> or <? ?> // PHP tags

<?php echo "text that will be written"; ?>

<?php print "text that will be written"; ?>

<?php include("file.php"); ?>

// VARIABLES

<?php $name_of_visitor = "Richard"; ?> // string = "text"

<?php $age_du_visitor = 22; ?> // int = 42

<?php $visitor_weight = 73.5; ?> // float = 42.98

<?php $je_suis_un_zero = true; ?> // bool = true/false

<?php $no_value = null; ?> // NULL = nothing

<?php echo 'Visitor has '. $age_of_visitor . ' year.'; ?>

<?php $number = (3+4-2)*8/5; ?> // number is 8

$number = 10; // number is 10

$result = $number+10; // result is 20

<?php $number = 10%3; ?> //number is 1 pcq modulo (%) calculates the remainder of the division