Description:
------------
We can see https://3v4l.org/tmcO4 
What is the type of numeric constant

Test script:
---------------
<?php
declare(strict_types=1);

function testFloat(): float
{
    return 1;
}

var_dump(is_float(testFloat()));
var_dump(is_float(1));


function testInteger(): int
{
    return 1;
}

var_dump(is_int(testInteger()));
var_dump(is_int(1));