Untitled

<?php
    class AnggotaKeluarga
    {
        private $name;

        public function __construct($name)
        {
            $this->name = $name;
        }

        public function getName()
        {
            return $this->name;
        }
    }

    class Keluarga
    {
        private $father;
        private $mother;
        private $children;

        public function __construct($father, $mother)
        {
            $this->father = $father;
            $this->mother = $mother;
            $this->children = [];
        }

        public function addChildren($child)
        {
            $this->children[] = $child;
        }

        public function getFatherName()
        {
            return $this->father->getName();
        }
        public function getMotherName()
        {
            return $this->mother->getName();
        }
        public function getChildren()
        {
            return $this->children;
        }
    }

        $salsa = new AnggotaKeluarga('Salsabila');
        $ayahSalsa = new AnggotaKeluarga('Ayah Salsa');
        $ibuSalsa = new AnggotaKeluarga('Ibu Salsa');
        $keluargaSalsa = new Keluarga($ayahSalsa, $ibuSalsa);
                $keluargaSalsa->addChildren($salsa);
?>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Test</title>
</head>
<body>
    <svg height="150" width="170">
        <text x="0" y="20" fill="red"><?= $keluargaSalsa->getFatherName() ?></text>
        <text x="90" y="20" fill="red"><?= $keluargaSalsa->getMotherName() ?></text>
        <line x1="25" y1="25" x2="25" y2="75" style="stroke:rgb(255,0,0);stroke-width:3" />
        <line x1="125" y1="25" x2="125" y2="75" style="stroke:rgb(255,0,0);stroke-width:3" />
        <line x1="23" y1="75" x2="127" y2="75" style="stroke:rgb(255,0,0);stroke-width:3" />
        <line x1="75" y1="75" x2="75" y2="125" style="stroke:rgb(255,0,0);stroke-width:3" />
        <text x="32.5" y="150" fill="red"><?= $keluargaSalsa->getChildren()[0]->getName() ?></text>
    </svg> <br>
</body>
</html>