four / solution 4.2

<?php

$temperature = 23;

print_r("it's currently " . $temperature . " so ");

$temperature <= 0 && print_r("it's freezing.");
$temperature > 0 && $temperature <= 10 && print_r("it's cold.");
$temperature > 10 && $temperature <= 20 && print_r("it's mild.");
$temperature > 20 && $temperature <= 30 && print_r("it's warm.");
$temperature > 30 && $temperature <= 40 && print_r("it's hot.");
$temperature > 40 && print_r("you may be in an oven.");

print_r("\n\n");

$windDirection = "westerly";
$windSpeed = "35";

$windSpeed <= 0 && ($wind = "there's no wind.");
$windSpeed > 0 && $windSpeed <= 15 && ($wind = "there's a little wind.");
$windSpeed > 15 && $windSpeed <= 25 && ($wind = "there's definitely some wind.");
$windSpeed > 25 && $windSpeed <= 40 && ($wind = "it's quite windy.");
$windSpeed > 40 && $windSpeed <= 60 && ($wind = "it's definitely windy.");
$windSpeed > 60 && $windSpeed <= 80 && ($wind = "your house has noticed the wind.");
$windSpeed > 80 && $windSpeed <= 100 && ($wind = "your house is annoyed by the wind.");
$windSpeed > 100 && $windSpeed <= 150 && ($wind = "your house is contemplating taking flight.");
$windSpeed > 150 && ($wind = "you may now be airborne while indoors!");

$windSpeed > 0 && print_r("the wind is " . $windDirection . " at " . $windSpeed . ". ");
print_r($wind);