logic1-4.php

<?php
$soal = "Soal 4";
include 'tplLogic1.php';

if (isset($_POST['submit'])) {
    $r = $_POST['range'];
    if ($r%2 == 0) {
        $r+=1;
    }

    echo "<table>";
    for($y=1;$y<=$r;$y++) {
        echo "<tr>";
        for($x=1;$x<=$r;$x++) {
            if ($x==$y || $x==$r-($y-1) || $x==round($r/2) || $y==round($r/2)) {
                echo "<td>*</td>";
            } else {
                echo "<td></td>";
            }
        }
        echo "</tr>";
    }
    echo "</table>";
}