<?php

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namespace WPForms\Integrations\Stripe;

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use Stripe\Exception\ApiErrorException;

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use WPForms\Helpers\Transient;

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/**

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* Stripe payment processing.

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*

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* @since 1.8.2

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*/

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class Process {

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/**

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* Payment amount.

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*

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* @since 1.8.2

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*

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* @var string

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*/

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public $amount = '';

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/**

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* Form ID.

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*

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* @since 1.8.2

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*

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* @var int

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*/

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public $form_id = 0;

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/**

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* Form Stripe payment settings.

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*

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* @since 1.8.2

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*

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* @var array

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*/

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public $settings = [];

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/**

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* Sanitized submitted field values and data.

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*

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* @since 1.8.2

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*

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* @var array

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*/

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public $fields = [];

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/**

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* Form data and settings.

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*

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* @since 1.8.2

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*

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* @var array

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*/

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public $form_data = [];

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/**

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* Rate Limit object.

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*

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* @since 1.8.2

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*

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* @var RateLimit

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*/

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private $rate_limit;

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/**

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* Api interface.

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*

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* @since 1.8.2

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*

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* @var Api\ApiInterface

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*/

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private $api;

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/**

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* Whether the payment has been processed.

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*

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* @since 1.8.3

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*

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* @var bool

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*/

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private $is_payment_processed = false;

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/**

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* Save matched subscription settings.

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*

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* @since 1.8.4

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*

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* @var array

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*/

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private $subscription_settings = [];

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/**

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* Initialize.

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*

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* @since 1.8.2

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*

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* @param Api\ApiInterface $api Api interface.

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*/

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public function init( $api ) {

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$this->api = $api;

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$this->hooks();

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}

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/**

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* Hooks.

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*

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* @since 1.8.2

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*/

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private function hooks() {

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add_action( 'wpforms_process', [ $this, 'process_entry' ], 10, 3 );

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add_action( 'wpforms_process_payment_saved', [ $this, 'process_payment_saved' ], 10, 3 );

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add_action( 'wpformsstripe_api_common_set_error_from_exception', [ $this, 'process_card_error' ] );

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add_filter( 'wpforms_forms_submission_prepare_payment_data', [ $this, 'prepare_payment_data' ] );

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add_filter( 'wpforms_forms_submission_prepare_payment_meta', [ $this, 'prepare_payment_meta' ], 10, 3 );

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add_filter( 'wpforms_entry_email_process', [ $this, 'process_email' ], 70, 4 );

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add_action( 'wpforms_process_complete', [ $this, 'process_entry_data' ], 10, 4 );

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add_filter( 'wpforms_process_bypass_captcha', [ $this, 'bypass_captcha' ] );

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}

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/**

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* Check if a payment exists with an entry, if so validate and process.

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*

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* @since 1.8.2

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*

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* @param array $fields Final/sanitized submitted field data.

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* @param array $entry Copy of original $_POST.

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* @param array $form_data Form data and settings.

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*/

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public function process_entry( $fields, $entry, $form_data ) {

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// Check if payment method exists and is enabled.

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if ( ! Helpers::has_stripe_enabled( [ $form_data ] ) ) {

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return;

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}

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$this->form_id = (int) $form_data['id'];

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$this->fields = $fields;

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$this->form_data = $form_data;

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$this->settings = $form_data['payments']['stripe'];

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$this->amount = wpforms_get_total_payment( $this->fields );

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$this->rate_limit = new RateLimit();

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$this->rate_limit->init();

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if ( $this->is_process_entry_error() ) {

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return;

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}

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if ( $this->is_submitted_payment_data_corrupted( $entry ) ) {

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return;

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}

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$this->api->set_payment_tokens( $entry );

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$error = $this->get_entry_errors();

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// Before proceeding, check if any basic errors were detected.

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if ( $error ) {

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$this->log_error( $error );

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$this->display_error( $error );

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return;

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}

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$this->process_payment();

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}

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/**

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* Bypass captcha if payment has been processed.

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*

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* @since 1.8.3

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*

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* @param bool $bypass_captcha Whether to bypass captcha.

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*

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* @return bool

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*/

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public function bypass_captcha( $bypass_captcha ) {

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if ( $bypass_captcha ) {

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return $bypass_captcha;

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}

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return $this->is_payment_processed;

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}

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/**

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* Check on process entry errors.

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*

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* @since 1.8.2

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*

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* @return bool

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*/

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protected function is_process_entry_error() {

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// Check for processing errors.

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if ( ! empty( wpforms()->get( 'process' )->errors[ $this->form_id ] ) || ! $this->is_card_field_visibility_ok() ) {

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return true;

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}

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// Check rate limit.

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if ( ! $this->is_rate_limit_ok() ) {

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wpforms()->get( 'process' )->errors[ $this->form_id ]['footer'] = esc_html__( 'Unable to process payment, please try again later.', 'wpforms-lite' );

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return true;

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}

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return false;

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}

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/**

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* Add meta for a successful payment.

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*

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* @since 1.8.2

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*

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* @param array $payment_meta Payment meta.

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* @param array $fields Final/sanitized submitted field data.

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* @param array $form_data Form data and settings.

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*/

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public function prepare_payment_meta( $payment_meta, $fields, $form_data ) { // phpcs:ignore Generic.Metrics.CyclomaticComplexity.TooHigh

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$payment = $this->api->get_payment();

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if ( empty( $payment->id ) ) {

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return $payment_meta;

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}

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$charge_details = $this->api->get_charge_details( [ 'type', 'name', 'last4', 'brand', 'exp_month', 'exp_year' ] );

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$payment_meta['method_type'] = $this->get_payment_type( $charge_details );

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$payment_meta['customer_name'] = $this->get_customer_name();

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$payment_meta['customer_email'] = $this->get_customer_email();

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$subscription = $this->api->get_subscription();

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if ( ! empty( $subscription->id ) ) {

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$payment_meta['subscription_period'] = sanitize_text_field( $this->subscription_settings['period'] );

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}

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if ( ! empty( $charge_details['brand'] ) ) {

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$payment_meta['credit_card_method'] = $charge_details['brand'];

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}

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if ( ! empty( $charge_details['name'] ) ) {

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$payment_meta['credit_card_name'] = $charge_details['name'];

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}

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if ( ! empty( $charge_details['last4'] ) ) {

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$payment_meta['credit_card_last4'] = $charge_details['last4'];

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}

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if ( ! empty( $charge_details['exp_month'] ) && ! empty( $charge_details['exp_year'] ) ) {

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$payment_meta['credit_card_expires'] = sprintf( '%s/%s', $charge_details['exp_month'], $charge_details['exp_year'] );

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}

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$log = [

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'value' => $payment->object === 'payment_intent' ? sprintf( 'Stripe payment intent created. (Payment Intent ID: %s)', $payment->id ) : 'Stripe payment was created.',

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'date' => gmdate( 'Y-m-d H:i:s' ),

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];

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$payment_meta['log'] = wp_json_encode( $log );

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return $payment_meta;

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}

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/**

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* Get payment method type.

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*

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* @since 1.8.2.1

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*

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* @param array $charge_details Get details from a saved Charge object.

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*

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* @return string

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*/

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private function get_payment_type( $charge_details ) {

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if ( empty( $charge_details['last4'] ) ) {

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return 'link';

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}

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if ( ! empty( $charge_details['type'] ) ) {

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return sanitize_text_field( $charge_details['type'] );

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}

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return 'card';

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}

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/**

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* Add payment info for successful payment.

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*

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* @since 1.8.2

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*

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* @param int $payment_id Payment ID.

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* @param array $fields Final/sanitized submitted field data.

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* @param array $form_data Form data and settings.

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*/

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public function process_payment_saved( $payment_id, $fields, $form_data ) {

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$payment = $this->api->get_payment();

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if ( empty( $payment->id ) ) {

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return;

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}

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$payment_url = add_query_arg(

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[

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'page' => 'wpforms-payments',

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'view' => 'payment',

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'payment_id' => $payment_id,

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],

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admin_url( 'admin.php' )

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);

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// Update the Stripe charge metadata to include the Payment ID.

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$payment->metadata['payment_id'] = $payment_id;

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$payment->metadata['payment_url'] = esc_url_raw( $payment_url );

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/**

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* Allow to add additional payment metadata to the Stripe payment.

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*

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* @since 1.8.2.2

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*

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* @param array $additional_meta Additional metadata.

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* @param int $payment_id Payment ID.

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* @param array $fields Final/sanitized submitted field data.

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* @param array $form_data Form data and settings.

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*/

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$additional_meta = (array) apply_filters( 'wpforms_integrations_stripe_process_additional_metadata', [], $payment_id, $fields, $form_data );

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array_walk(

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$additional_meta,

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static function( $meta, $key ) use ( &$payment ) {

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$payment->metadata[ $key ] = $meta;

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}

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);

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$payment->update( $payment->id, $payment->serializeParameters(), Helpers::get_auth_opts() );

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$subscription = $this->api->get_subscription();

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// Update the Stripe subscription metadata to include the Payment ID.

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if ( ! empty( $subscription->id ) ) {

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$subscription->metadata['payment_id'] = $payment_id;

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$subscription->metadata['payment_url'] = esc_url_raw( $payment_url );

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$subscription->update( $subscription->id, $subscription->serializeParameters(), Helpers::get_auth_opts() );

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}

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wpforms()->get( 'payment_meta' )->add_log(

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$payment_id,

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sprintf(

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'Stripe charge processed. (Charge ID: %1$s)',

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isset( $payment->latest_charge ) ? $payment->latest_charge : $payment->id

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)

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);

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/**

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* Fire when processing is complete.

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*

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* @since 1.8.2

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*

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* @param array $fields Final/sanitized submitted field data.

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* @param array $form_data Form data and settings.

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* @param int $payment_id Payment ID.

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* @param mixed $payment Stripe payment object.

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* @param mixed $subscription Stripe subscription object.

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* @param mixed $customer Stripe customer object.

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*/

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do_action( 'wpforms_stripe_process_complete', $fields, $form_data, $payment_id, $payment, $subscription, $this->api->get_customer() ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName

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}

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/**

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* Add details to payment data.

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*

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* @since 1.8.2

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*

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* @param array $payment_data Payment data args.

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*

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* @return array

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*/

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public function prepare_payment_data( $payment_data ) {

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$payment = $this->api->get_payment();

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if ( empty( $payment->id ) ) {

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return $payment_data;

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}

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$customer = $this->api->get_customer();

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$subscription = $this->api->get_subscription();

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$payment_data['status'] = 'processed';

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$payment_data['gateway'] = 'stripe';

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$payment_data['mode'] = Helpers::get_stripe_mode();

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$payment_data['transaction_id'] = sanitize_text_field( $payment->id );

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$payment_data['customer_id'] = ! empty( $customer->id ) ? sanitize_text_field( $customer->id ) : '';

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$payment_data['title'] = $this->get_payment_title();

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if ( ! empty( $subscription->id ) ) {

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$payment_data['subscription_id'] = sanitize_text_field( $subscription->id );

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$payment_data['subscription_status'] = 'not-synced';

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}

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return $payment_data;

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}

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/**

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* Get Payment title.

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*

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* @since 1.8.2

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*

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* @return string Payment title.

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*/

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private function get_payment_title() {

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$customer_name = $this->get_customer_name();

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if ( $customer_name ) {

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return $customer_name;

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}

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$customer_email = $this->get_customer_email();

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if ( $customer_email ) {

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return $customer_email;

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}

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return '';

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}

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/**

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* Get Customer name.

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*

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* @since 1.8.2

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*

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* @return string Customer name.

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*/

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private function get_customer_name() {

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$customer_name = $this->api->get_customer( 'name' );

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if ( $customer_name ) {

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return $customer_name;

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}

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$charge_details = $this->api->get_charge_details( [ 'name' ] );

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if ( ! empty( $charge_details['name'] ) ) {

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return $charge_details['name'];

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}

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return '';

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}

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/**

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* Get Customer email.

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*

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* @since 1.8.2

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*

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* @return string Customer email.

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*/

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private function get_customer_email() {

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$customer_email = $this->api->get_customer( 'email' );

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if ( $customer_email ) {

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return $customer_email;

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}

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$charge_details = $this->api->get_charge_details( [ 'email' ] );

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if ( ! empty( $charge_details['email'] ) ) {

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return $charge_details['email'];

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}

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// phpcs:disable WordPress.Security.NonceVerification.Missing

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if ( isset( $_POST['wpforms']['payment_link_email'] ) ) {

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return sanitize_email( wp_unslash( $_POST['wpforms']['payment_link_email'] ) );

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}

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// phpcs:enable WordPress.Security.NonceVerification.Missing

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return '';

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}

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/**

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* Logic that helps decide if we should send completed payments notifications.

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*

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* @since 1.8.2

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*

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* @param bool $process Whether to process or not.

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* @param array $fields Form fields.

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* @param array $form_data Form data.

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* @param int $notification_id Notification ID.

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*

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