variables

<?php
/* In PHP, a variable starts with the $ sign, 
followed by the name of the variable:
*/

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

//You can make a variable by using:
var variable-name = 'defenition of the variable';
// Or you can use
let variable-name = 'defenition of the variable';

var something = something;