datatypes.php

<?php

//integer

echo "Integer Values <br>";
$x = 7;
$y = -8;

var_dump($x);
var_dump($y);

echo "<br>";
echo "Float Values <br>";

//float
$float1 = 7.5;
$float2 = -8.5;

var_dump($float1);
var_dump($float2);

//Strings
$string1 = "Hello World";
$string2 = 'Hello World';

var_dump($string1);

$bool = true;
var_dump($bool);