Question 41506 in PHP Question posted in
Official manual can be found here.

How to create a customer if it does not exist with payment intent API stripe PHP

How to retrieve the identifier of an existing customer via his email address or create the customer if he does not hesitate when creating a payment with API Stripe?

I searched in the Stripe documentation but couldn’t find the answer.

require "Stripe/vendor/autoload.php";

// This is your test secret API key.
StripeStripe::setApiKey("sk_test_XXX");

header("Content-Type: application/json");

try {
    // retrieve JSON from POST body
    $jsonStr = file_get_contents("php://input");
    $jsonObj = json_decode($jsonStr);

    // get customer if exist
    $query = StripeCustomer::search([
        "query" => 'email:'.'.$user['email'].'.'', 
    ]);
    
    if ($query->id) {
        $customer_ID = $query->id;
    } else {
        $customer = StripeCustomer::create([
            "email" => $user["email"],
            "description" => 'VIP plan',
        ]);
        
        $customer_ID = $customer->id;
    }



    // Create a PaymentIntent with amount and currency
    $paymentIntent = StripePaymentIntent::create([
        "customer" => $customer_ID,
        "amount" => 1400,
        "currency" => "usd",
        "automatic_payment_methods" => [
            "enabled" => true,
        ],
    ]);

    $output = [
        "clientSecret" => $paymentIntent->client_secret,
    ];

    echo json_encode($output);
} catch (Error $e) {
    http_response_code(500);
    echo json_encode(["error" => $e->getMessage()]);
}
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2

Answers


  1. Chosen as BEST ANSWER
    0

    Query fields for customers source: https://stripe.com/docs/search#query-fields-for-customers

    FIELD       USAGE                       TYPE (TOKEN, STRING, NUMERIC)
-------     ----------------------      -----------------------------
created     created>1620310503          numeric
email       email~"amyt"                string
metadata    metadata["key"]:"value"     token
name        name~"amy"                  string
phone       phone:"+19999999999"        string

    Here is the properly formatted query.

    "query" => 'email~"'.$user['email'].'"', "limit" => 1

  2. 0

    Your search query is not a simple object but a multidimentional object.

    ‘data’ is missing on your object request :

    $query->data[0]->id

    You can’t have access to datas so you might use a for loop as :

    if(sizeof($query->data) !== 0)
{
   for($i=0;$i<sizeof($query->data);$i++)
   {
      $customer_ID = $query->data[$i]->id;
   }
}
else
{
   // Create customer
}

    If you’re sure to have only one customer, you need to add a limit to the Stripe search query and so, you’ll don’t need to have for loop :

    $query = StripeCustomer::search([
    "query" => 'email:'.'.$user['email'].'.'', 
    "limit" => 1,
]);

if(sizeof($query->data) !== 0)
{
   $customer_ID = $query->data[0]->id;
}
else
{
   // create customer
}
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