logic1-7.php

<?php
$soal = "Soal 7";
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-($y-1)) {
                echo "<td>*</td>";
            } elseif ($x>=$y && $x<=$r-($y-1)) {
                echo "<td>*</td>";
            } else {
                echo "<td></td>";
            }
        }
        echo "</tr>";
    }
    echo "</tables>";