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<?php

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/**

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* Stripe module main file

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* @link https://contactform7.com/stripe-integration/

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wpcf7_include_module_file( 'stripe/service.php' );

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wpcf7_include_module_file( 'stripe/api.php' );

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add_action(

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'wpcf7_init',

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'wpcf7_stripe_register_service',

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50, 0

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);

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/**

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* Registers the Stripe service.

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function wpcf7_stripe_register_service() {

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$integration = WPCF7_Integration::get_instance();

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$integration->add_service( 'stripe',

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WPCF7_Stripe::get_instance()

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);

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}

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add_action(

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'wpcf7_enqueue_scripts',

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'wpcf7_stripe_enqueue_scripts',

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10, 0

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);

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/**

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* Enqueues scripts and styles for the Stripe module.

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function wpcf7_stripe_enqueue_scripts() {

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$service = WPCF7_Stripe::get_instance();

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if ( ! $service->is_active() ) {

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return;

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}

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wp_enqueue_style( 'wpcf7-stripe',

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wpcf7_plugin_url( 'modules/stripe/style.css' ),

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array(), WPCF7_VERSION, 'all'

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);

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wp_register_script(

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'stripe',

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'https://js.stripe.com/v3/',

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array(),

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null

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);

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$assets = array();

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$asset_file = wpcf7_plugin_path( 'modules/stripe/index.asset.php' );

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if ( file_exists( $asset_file ) ) {

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$assets = include( $asset_file );

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}

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$assets = wp_parse_args( $assets, array(

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'dependencies' => array(),

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'version' => WPCF7_VERSION,

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) );

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wp_enqueue_script(

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'wpcf7-stripe',

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wpcf7_plugin_url( 'modules/stripe/index.js' ),

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array_merge(

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$assets['dependencies'],

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array(

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'wp-polyfill',

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'contact-form-7',

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'stripe',

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)

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$assets['version'],

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array( 'in_footer' => true )

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);

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$api_keys = $service->get_api_keys();

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if ( $api_keys['publishable'] ) {

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wp_localize_script( 'wpcf7-stripe', 'wpcf7_stripe', array(

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'publishable_key' => $api_keys['publishable'],

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) );

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}

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}

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add_filter(

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'wpcf7_skip_spam_check',

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'wpcf7_stripe_skip_spam_check',

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10, 2

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);

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/**

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* Skips the spam check if it is not necessary.

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* @return bool True if the spam check is not necessary.

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function wpcf7_stripe_skip_spam_check( $skip_spam_check, $submission ) {

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$service = WPCF7_Stripe::get_instance();

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if ( ! $service->is_active() ) {

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return $skip_spam_check;

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}

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if ( ! empty( $_POST['_wpcf7_stripe_payment_intent'] ) ) {

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$pi_id = trim( $_POST['_wpcf7_stripe_payment_intent'] );

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$payment_intent = $service->api()->retrieve_payment_intent( $pi_id );

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if ( isset( $payment_intent['status'] )

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and ( 'succeeded' === $payment_intent['status'] ) ) {

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$submission->push( 'payment_intent', $pi_id );

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}

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}

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if ( ! empty( $submission->pull( 'payment_intent' ) )

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and $submission->verify_posted_data_hash() ) {

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$skip_spam_check = true;

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}

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return $skip_spam_check;

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}

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add_action(

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'wpcf7_before_send_mail',

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'wpcf7_stripe_before_send_mail',

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10, 3

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);

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/**

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* Creates Stripe's Payment Intent.

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function wpcf7_stripe_before_send_mail( $contact_form, &$abort, $submission ) {

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$service = WPCF7_Stripe::get_instance();

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if ( ! $service->is_active() ) {

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return;

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}

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$tags = $contact_form->scan_form_tags( array( 'type' => 'stripe' ) );

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if ( ! $tags ) {

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return;

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}

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if ( ! empty( $submission->pull( 'payment_intent' ) ) ) {

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return;

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}

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$tag = $tags[0];

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$amount = $tag->get_option( 'amount', 'int', true );

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$currency = $tag->get_option( 'currency', '[a-zA-Z]{3}', true );

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$payment_intent_params = apply_filters(

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'wpcf7_stripe_payment_intent_parameters',

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array(

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'amount' => $amount ? absint( $amount ) : null,

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'currency' => $currency ? strtolower( $currency ) : null,

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'receipt_email' => $submission->get_posted_data( 'your-email' ),

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)

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);

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$payment_intent = $service->api()->create_payment_intent(

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$payment_intent_params

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);

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if ( $payment_intent ) {

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$submission->add_result_props( array(

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'stripe' => array(

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'payment_intent' => array(

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'id' => $payment_intent['id'],

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'client_secret' => $payment_intent['client_secret'],

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) );

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$submission->set_status( 'payment_required' );

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$submission->set_response(

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__( "Payment is required. Please pay by credit card.", 'contact-form-7' )

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);

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}

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$abort = true;

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}

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/**

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* Returns payment link URL.

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* @param string $pi_id Payment Intent ID.

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* @return string The URL.

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function wpcf7_stripe_get_payment_link( $pi_id ) {

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return sprintf(

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'https://dashboard.stripe.com/payments/%s',

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urlencode( $pi_id )

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);

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}

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add_filter(

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'wpcf7_special_mail_tags',

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'wpcf7_stripe_smt',

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10, 4

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);

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/**

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* Registers the [_stripe_payment_link] special mail-tag.

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function wpcf7_stripe_smt( $output, $tag_name, $html, $mail_tag = null ) {

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if ( '_stripe_payment_link' === $tag_name ) {

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$submission = WPCF7_Submission::get_instance();

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$pi_id = $submission->pull( 'payment_intent' );

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if ( ! empty( $pi_id ) ) {

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$output = wpcf7_stripe_get_payment_link( $pi_id );

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}

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}

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return $output;

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}

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add_filter(

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'wpcf7_flamingo_inbound_message_parameters',

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'wpcf7_stripe_add_flamingo_inbound_message_params',

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10, 1

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);

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/**

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* Adds Stripe-related meta data to Flamingo Inbound Message parameters.

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function wpcf7_stripe_add_flamingo_inbound_message_params( $args ) {

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$submission = WPCF7_Submission::get_instance();

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$pi_id = $submission->pull( 'payment_intent' );

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if ( empty( $pi_id ) ) {

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return $args;

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}

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$pi_link = wpcf7_stripe_get_payment_link( $pi_id );

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$meta = (array) $args['meta'];

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$meta['stripe_payment_link'] = $pi_link;

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$args['meta'] = $meta;

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return $args;

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}

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add_action(

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'wpcf7_init',

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'wpcf7_add_form_tag_stripe',

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10, 0

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);

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/**

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* Registers the stripe form-tag handler.

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function wpcf7_add_form_tag_stripe() {

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wpcf7_add_form_tag(

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'stripe',

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'wpcf7_stripe_form_tag_handler',

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array(

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'display-block' => true,

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'singular' => true,

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)

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);

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}

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/**

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* Defines the stripe form-tag handler.

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* @return string HTML content that replaces a stripe form-tag.

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function wpcf7_stripe_form_tag_handler( $tag ) {

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$card_element = sprintf(

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'<div %s></div>',

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wpcf7_format_atts( array(

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'class' => 'card-element wpcf7-form-control',

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'aria-invalid' => 'false',

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) )

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);

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$card_element = sprintf(

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'<div class="wpcf7-form-control-wrap hidden">%s</div>',

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$card_element

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);

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$button_1_label = __( 'Proceed to checkout', 'contact-form-7' );

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if ( isset( $tag->values[0] ) ) {

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$button_1_label = trim( $tag->values[0] );

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}

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$button_1 = sprintf(

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'<button %1$s>%2$s</button>',

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wpcf7_format_atts( array(

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'type' => 'submit',

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'class' => 'first',

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) ),

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esc_html( $button_1_label )

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);

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$button_2_label = __( 'Complete payment', 'contact-form-7' );

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if ( isset( $tag->values[1] ) ) {

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$button_2_label = trim( $tag->values[1] );

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}

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$button_2 = sprintf(

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'<button %1$s>%2$s</button>',

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wpcf7_format_atts( array(

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'type' => 'button',

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'class' => 'second hidden',

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) ),

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esc_html( $button_2_label )

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);

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$buttons = sprintf(

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'<span class="buttons has-spinner">%1$s %2$s</span>',

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$button_1, $button_2

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);

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return sprintf(

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'<div class="wpcf7-stripe">%1$s %2$s %3$s</div>',

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$card_element,

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$buttons,

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'<input type="hidden" name="_wpcf7_stripe_payment_intent" value="" />'

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);

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}

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