Tambahkan parameter text di URL untuk generate QR code:
Parameter scale opsional (1-10), default 5
<?php $qr = "kelas php - kafekoding"; echo "<img src='https://kelasphp-kafekoding.github.io/qrcode/?text=$qr&scale=5'>"; ?>
<img src="https://kelasphp-kafekoding.github.io/qrcode/?text=Hello%20World&scale=5">
const qr = "kelas php - kafekoding";
document.body.innerHTML = `<img src="https://kelasphp-kafekoding.github.io/qrcode/?text=${qr}&scale=5">`;