[PHPID QUIZ] Jajar Genjang OOP

gistfile1.txt

<?php

class JajarGenjang
{
    private $panjang = 18;

    private $increment = 1;
   
    private function createLine()
    {
        $limit = $this->panjang + $this->increment;        
        for ($i = $this->increment; $i <= $limit; $i++) {
            echo '|';
        }
        echo PHP_EOL;
    }

    private function createEmptyLine()
    {
        $limit = $this->panjang + $this->increment;        
        for ($i = $this->increment; $i <= $limit; $i++) {
            if ($this->increment === $i || $limit === $i) {
                echo '|';
            } else {
                echo ' ';
            }
        }
        echo PHP_EOL;
        $this->increment++;
    }

    private function createSpace()
    {
        for ($i = 1; $i <= $this->increment; $i++) {
            echo ' ';
        }
    }

    private function printILovePhp()
    {
        $string = 'ILOVEPHP';
        $printed = false;
        $length = strlen($string);

        $limit = $this->panjang + $this->increment;        
        for ($i = $this->increment; $i <= $limit; $i++) {
            if ($this->increment === $i || $limit === $i) {
                echo '|';
            } elseif (!$printed && $i === (int) round(($limit - ($length - 4)) / 2)) {
                echo $string;
                $printed = true;
                $i += $length - 1;
            } else {
                echo ' ';
            }
        }
        echo PHP_EOL;
        $this->increment++;
    }

    public function draw()
    {
        $this->createLine();
        $this->createSpace();
        $this->createEmptyLine();
        $this->createSpace();
        $this->printILovePhp();
        $this->createSpace();
        $this->printILovePhp();
        $this->createSpace();
        $this->printILovePhp();
        $this->createSpace();
        $this->printILovePhp();
        $this->createSpace();
        $this->createEmptyLine();
        $this->createSpace();
        $this->createLine();
    }
}


$jajarGenjang = new JajarGenjang();
$jajarGenjang->draw();