Pemrograman Dasar PHP

sumber: w3schools

Basic Syntax

contoh 1

<?php
// PHP code goes here
?>

contoh 2

<!DOCTYPE html>
<html>
<body>

<h1>My first PHP page</h1>

<?php
echo "Hello World!";
?>

</body>
</html>

contoh 3

<html>
<body>

Welcome <?php echo $_POST["name"]; ?><br>
Your email address is: <?php echo $_POST["email"]; ?>

</body>
</html>

Comments

<?php
// This is a single-line comment

# This is also a single-line comment
?>
<?php
/*
This is a multiple-lines comment block
that spans over multiple
lines
*/
?>

Variable

<?php
$txt = "Hello world!";
$x = 5;
$y = 10.5;
?>

Data Types

Variabel bisa menyimpan data dengan type yang berbeda dan type data memiliki fungsi yang berbeda-beda.

PHP mendukung type data sebagai berikut:

  • String
  • Integer
  • Float (floating point numbers - also called double)
  • Boolean
  • Array
  • Object
  • NULL
  • Resource

Operators

https://www.w3schools.com/php/php_operators.asp

Percabangan

https://www.w3schools.com/php/php_looping.asp

Perulangan

https://www.w3schools.com/php/php_looping.asp

Fungsi

https://www.w3schools.com/php/php_functions.asp