Online PHP editor | refs for btZTW

@ 2020-01-22T14:26:22Z

<?php

$tests = [
    [3, 0],
    [3, 1],
    [3, 21],
];
foreach($tests as [$d, $h]){
    $img = '';
    if ($d == 3 && $h >= 0 && $h < 20) $img = 'https://web.saio.net/images/script/so.gif';
    var_dump($img);
}