PHP
PHP (a recursive initialism for PHP: Hypertext Preprocessor) is an open-source server-side scripting language that can be embedded into HTML to build web applications and dynamic websites.
Examples
Basic syntax
// start of PHP code
<?php
// PHP code goes here
?>
// end of PHP code
Printing data on screen
<?php
echo "Hello World!";
?>
PHP variables
<?php
// variables
$nome='Danilo';
$sobrenome='Santos';
$pais='Brasil';
$email='danilocarsan@gmailcom';
// printing the variables
echo $nome;
echo $sobrenome;
echo $pais;
echo $email;
?>