@Blog

const vapidPublicKey = import.meta.env.VITE_VAPID_PUBLIC_KEY;

async function setupPushNotifications() {
    if (Notification.permission === 'granted') {
        try {
            // サービスワーカーを登録
            await navigator.serviceWorker.register('/assets/js/npush-service-worker.js').then(async(registration) => {
                if ('serviceWorker' in navigator && 'PushManager' in window) {
                    try {
                            const subscription = await registration.pushManager.subscribe({
                                userVisibleOnly: true,
                                applicationServerKey: urlBase64ToUint8Array(vapidPublicKey),
                            });
            
                            const response = await fetch('/save-subscription', {
                                method: 'POST',
                                headers: {
                                    'Accept': 'application/json',
                                    'Content-Type': 'application/json',
                                    'X-CSRF-Token': document.querySelector('[name="csrf-token"]').content
                                },
                                body: JSON.stringify(subscription),
                            });
            
                            if (!response.ok) throw new Error('サブスクリプションの保存に失敗しました');
            
                            new Notification('ご登録', {
                                body: 'ご登録有難う御座います',
                            });
                        
                    } catch (error) {
                        console.error('Push subscription error:', error);
                    }
                } else if (result !== 'granted') {
                    console.log('通知の権限が拒否されました。');
                }       
            });
            console.log('サービスワーカーが正常に登録されました');
        } catch (error) {
            console.error('サービスワーカーの登録に失敗しました:', error);
        }
    }
}


function urlBase64ToUint8Array(base64String) {
    const padding = '='.repeat((4 - base64String.length % 4) % 4);
    const base64 = (base64String + padding).replace(/-/g, '+').replace(/_/g, '/');
    const rawData = window.atob(base64);
    const outputArray = new Uint8Array(rawData.length);
    for (let i = 0; i < rawData.length; ++i) {
        outputArray[i] = rawData.charCodeAt(i);
    }
    return outputArray;
}

document.getElementById('enable-notifications').addEventListener('click', async () => {
    const permission = await Notification.requestPermission();
    if (permission === 'granted') {
        setupPushNotifications();
    } else {
        console.log('通知の権限が拒否されました。');
    }
});

        $endpoint = $request->endpoint;
        $token = $request->keys['auth'];
        $key = $request->keys['p256dh'];
        $user = $request->user();
        $user->updatePushSubscription($endpoint, $key, $token);

use App\Notifications\Reserved;
$user = User::find(1);
$user->notify(new Reserved($reservation));

if ('serviceWorker' in navigator && 'PushManager' in window) {
    navigator.serviceWorker.ready.then(function(registration) {
        registration.pushManager.subscribe({
            userVisibleOnly: true,
            applicationServerKey: urlBase64ToUint8Array('VAPID_PUBLIC_KEY')
        }).then(function(subscription) {
            fetch('/api/save-subscription', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json',
                },
                body: JSON.stringify(subscription),
            });
        }).catch(function(error) {
            console.error('Push subscription error:', error);
        });
    });
}

function urlBase64ToUint8Array(base64String) {
    const padding = '='.repeat((4 - base64String.length % 4) % 4);
    const base64 = (base64String + padding).replace(/-/g, '+').replace(/_/g, '/');
    const rawData = window.atob(base64);
    const outputArray = new Uint8Array(rawData.length);
    for (let i = 0; i < rawData.length; ++i) {
        outputArray[i] = rawData.charCodeAt(i);
    }
    return outputArray;
}

document.getElementById('btn').addEventListener('click', () => {
    const formData = new FormData();
    formData.append('id', document.getElementById('id_number').value);
    formData.append('_method','PUT');//DELETE・PATCH・PUT

    fetch('ajax-test', {
        method: 'POST',
        headers: {'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').content}, // CSRFトークン対策
        body: formData
    })
        .then(response => response.json()) 
        .then(res => {
            console.log('res: '+res[0].id);
            document.getElementById("result").innerHTML = "ID番号" + res[0].id + "は「" + res[0].name + "」です。価格は「" + res[0].price+"円」です。";
        })
        .catch(error => {
            console.log(error); // エラー表示
        });
});

<form action="rensou.php" method="POST">
    <input name="name" type="text"><br>
    <input name="name2" type="text"><br>
    <input name="name3" type="text"><br>
    <input name="name4" type="text"><br>
    <input name="name5" type="text"><br>
    <input name="name6" type="text"><br>
    <input name="name7" type="text"><br>
    <input type="submit"><br>
</form>
<?php
$_POST = xss_d($_POST);
$array = [];
if(is_array($_POST)){
    foreach ($_POST as $key => $value) {
        if($value<>""){
            $array[$key] = $value;
        }
    }
}
?>
連想配列表示<br>
<textarea style="width: 500px;height: 500px;">
<?php
print_r (count($array)>0)?($array):["値無し"];
?>
</textarea>

<?php
function xss_d($val){
    if(is_array($val)){
        foreach ($val as $key => $value) {
            # code...
            $val[$key] = strip_tags($value);
            $val[$key] = htmlentities($val[$key],ENT_QUOTES);
        }
    }else{

        $val = strip_tags($val);
        $val = htmlentities($val,ENT_QUOTES);        
    }
    return $val;
}