[OC] Variable php vers javascript

X.md

https://openclassrooms.com/forum/sujet/variable-php-vers-javascript-1

X.php

<?php
$nonce = base64_encode(random_bytes(20));
header("Content-Security-Policy: script-src 'nonce-{$nonce}'");
?>

<script nonce="<?= $nonce ?>">
function popupsupprimer(id, description) {
    console.log([id, description]);
}

var ready = (callback) => {
    if (document.readyState != 'loading') callback();
    else document.addEventListener('DOMContentLoaded', callback);
}

ready(
    () => {
        document.querySelectorAll('img.image').forEach(
            element => {
                element.addEventListener(
                    'click',
                    (event) => {
                        popupsupprimer(event.target.dataset.id, event.target.dataset.description);
                    }
                )
            }
        );
    }
)
</script>

<?php
$db = new PDO(...);
$images = $db->query('SELECT * FROM images');
foreach ($image as $images):
?>
    <IMG
        class=image
        title="icone pour supprimer"
        style="height: 30px; width: auto; "
        src="images/Supprimer.png"
        alt="icone pour supprimer"
        data-id="<?= $image['id'] ?>"
        data-description="<?= htmlspecialchars($image['description']) ?>"
     />
<?php endforeach ?>