[PHPID QUIZ] Bujur Sangkar

gistfile1.txt

<?php

class BujurSangkar
{
    private $sisi = 7;
    private $reserved = array();

    public function __construct()
    {
        for ($i = 1; $i <= $this->sisi * $this->sisi; $i++) {
            $this->reserved[] = $i;
        }

        shuffle($this->reserved);
    }

    public function draw()
    {
        $index = 1;
        for ($i = 1; $i <= $this->sisi; $i++) {
            for ($j = 1; $j < $this->sisi; $j++) {
                $number = $this->reserved[$index];
                
                echo $number;
                if (10 > $number) {
                    echo ' ';
                }
                echo ' ';
                $index++;
            }

            echo PHP_EOL;
        }
    }
}

$bujurSangkar = new BujurSangkar();
$bujurSangkar->draw();