_php-server-error

[fluid merlin]

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[merry bobcat]

Hi, are you able to review this document, https://support.stripe.com/questions/how-to-fix-syntaxerror-unexpected-token-in-json-at-position-0 please?

[wooden igloo]

Thank you . I am going to check

[wooden igloo]

Still.. I can not proced it.

[dark prairie]

Hi 👋

I am stepping in as my colleague had to go

[wooden igloo]

Hello !

[dark prairie]

First I want to point out that you have provided your full secret key and this is a public forum

You should never do this

please roll your key immediately

https://docs.stripe.com/keys#rolling-keys

[wooden igloo]

Thank but this is test key,

[dark prairie]

Still, never do this and please roll your key immediately

[wooden igloo]

Ok

This is the code ( frontend file)

[dark prairie]

Okay but there should only be one line that is throwing the error you are reporting. Which line is it?

Most likely this one

const result = await response.json();

but I want to be sure we're on the same page

[wooden igloo]

When one error is resolved, the next error appears.

[dark prairie]

What error are you referring to?

What is the exact error message you are currently receiving and which line of code triggers this error?

[wooden igloo]

Required data is missing.

[dark prairie]

What data? What is the code that is generating this error?

[wooden igloo]

I don't know which line the error is related to. Also, I can't determine whether the issue is with the frontend index.html or the backend charge.php.

[dark prairie]

Where is this error showing up? Do you only see it in your browser console or does it show up in your PHP server logs?

[wooden igloo]

there is pop up

[dark prairie]

That appears to be coming from your front-end where you are specifically calling alert(). This is something your code is doing

If this is an error your PHP code is passing back to your front-end, you need to capture/log that in your PHP code

Do you see API requests being created in your Stripe Dashboard logs?
https://dashboard.stripe.com/test/workbench/logs

[wooden igloo]

yes

this error comes from this (backend)

// ✅ 必須データのチェック
if (empty($email) || empty($stripeToken) || empty($subOption) || empty($amount)) {
http_response_code(400);
echo json_encode([
'status' => 'error',
'message' => '必要なデータが不足しています。',
'received_data' => compact('email', 'stripeToken', 'subOption', 'amount', 'upsell')
]);
exit;
}

[dark prairie]

Okay so where is the error being raised?

Are you making a request to the Stripe APIs? Or is the error raised before that?

[wooden igloo]

maybe it comes from 'message'

[dark prairie]

I recommend you add more logging to your code to find out.

[wooden igloo]

How can I do that ?

[dark prairie]

I recommend you print out the full contents of any response you get from the Stripe API.

Additionally, are you seeing API requests in your Stripe Dashboard?

Specifically, ones that are failing?

If so, please provide the request IDs as text, eg. req_XXXXX

[wooden igloo]

req_sJ9b19ovcnn3L9

[dark prairie]

That request is successful

So that is not the source of the error

[wooden igloo]

then what is the source?

[dark prairie]

That is something you will need to figure out by debugging your own code