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* @param array $fields List of form fields.

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* @return array

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private function remove_raw_data_before_save( array $fields ): array {

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foreach ( $fields as $key => $field ) {

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if ( ! empty( $field['type'] ) && $field['type'] === 'password' ) {

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unset( $fields[ $key ]['value_raw'] );

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}

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}

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return $fields;

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}

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/**

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* Save payment to the database.

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* @since 1.8.2

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* @param array $entry User submitted data.

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* @return int Payment ID.

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private function payment_save( $entry ) {

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if ( ! wpforms_has_payment( 'entry', $this->fields ) ) {

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return 0;

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}

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$entry['entry_id'] = $this->entry_id;

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$form_submission = wpforms()->get( 'submission' )->register( $this->fields, $entry, $this->form_data['id'], $this->form_data );

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// Prepare the payment data.

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$payment_data = $form_submission->prepare_payment_data();

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// Bail early in case payment field exists,

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// but no payment data was provided (e.g. old payment addon is used).

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if ( empty( $payment_data['gateway'] ) ) {

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return 0;

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}

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// Create payment.

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$payment_id = wpforms()->get( 'payment' )->add( $payment_data );

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if ( ! $payment_id ) {

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return 0;

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}

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// Insert payment meta.

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wpforms()->get( 'payment_meta' )->bulk_add( $payment_id, $form_submission->prepare_payment_meta() );

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/**

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* Fire after payment was saved to database.

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* @since 1.8.2

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* @param int $payment_id Payment id.

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* @param array $fields Form fields.

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* @param array $form_data Form data.

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do_action( 'wpforms_process_payment_saved', $payment_id, $this->fields, $this->form_data );

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return $payment_id;

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}

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/**

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* Process AJAX form submit.

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* @since 1.5.3

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public function ajax_submit() {

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

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$form_id = isset( $_POST['wpforms']['id'] ) ? absint( $_POST['wpforms']['id'] ) : 0;

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if ( empty( $form_id ) ) {

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wp_send_json_error();

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}

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

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// We don't have a global $post when processing ajax requests.

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// Therefore, it's needed to set a global $post manually for compatibility with functions used in smart tag processing.

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global $post;

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// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited

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$post = WP_Post::get_instance( absint( $_POST['wpforms']['post_id'] ) );

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}

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

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add_filter( 'wp_redirect', [ $this, 'ajax_process_redirect' ], 999 );

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do_action( 'wpforms_ajax_submit_before_processing', $form_id );

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// If redirect happens in listen(), ajax_process_redirect() gets executed because of the filter on `wp_redirect`.

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// The code, that is below listen(), runs only if no redirect happened.

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$this->listen();

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$form_data = $this->form_data;

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if ( empty( $form_data ) ) {

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$form_data = wpforms()->get( 'form' )->get( $form_id, [ 'content_only' => true ] );

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$form_data = apply_filters( 'wpforms_frontend_form_data', $form_data );

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}

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if ( ! empty( $this->errors[ $form_id ] ) ) {

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$this->ajax_process_errors( $form_id, $form_data );

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wp_send_json_error();

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}

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ob_start();

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wpforms()->get( 'frontend' )->confirmation( $form_data );

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$response = apply_filters( 'wpforms_ajax_submit_success_response', [ 'confirmation' => ob_get_clean() ], $form_id, $form_data );

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do_action( 'wpforms_ajax_submit_completed', $form_id, $response );

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wp_send_json_success( $response );

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}

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/**

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* Process AJAX errors.

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* @since 1.5.3

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* @todo This should be re-used/combined for AMP verify-xhr requests.

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* @param int $form_id Form ID.

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* @param array $form_data Form data and settings.

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protected function ajax_process_errors( $form_id, $form_data ) {

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$errors = isset( $this->errors[ $form_id ] ) ? $this->errors[ $form_id ] : [];

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$errors = apply_filters( 'wpforms_ajax_submit_errors', $errors, $form_id, $form_data );

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if ( empty( $errors ) ) {

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wp_send_json_error();

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}

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// General errors are errors that cannot be populated with jQuery Validate plugin.

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$general_errors = array_intersect_key( $errors, array_flip( [ 'header', 'footer', 'recaptcha' ] ) );

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foreach ( $general_errors as $key => $error ) {

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ob_start();

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wpforms()->get( 'frontend' )->form_error( $key, $error, $form_data );

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$general_errors[ $key ] = ob_get_clean();

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}

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$fields = isset( $form_data['fields'] ) ? $form_data['fields'] : [];

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// Get registered fields errors only.

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$field_errors = array_intersect_key( $errors, $fields );

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// Transform field ids to field names for jQuery Validate plugin.

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foreach ( $field_errors as $key => $error ) {

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$name = $this->ajax_error_field_name( $fields[ $key ], $form_data, $error );

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if ( $name ) {

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$field_errors[ $name ] = $error;

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}

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unset( $field_errors[ $key ] );

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}

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$response = [];

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if ( $general_errors ) {

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$response['errors']['general'] = $general_errors;

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}

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if ( $field_errors ) {

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$response['errors']['field'] = $field_errors;

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}

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$response = apply_filters( 'wpforms_ajax_submit_errors_response', $response, $form_id, $form_data );

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do_action( 'wpforms_ajax_submit_completed', $form_id, $response );

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wp_send_json_error( $response );

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}

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/**

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* Get field name for an ajax error message.

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* @since 1.6.3

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* @param array $field Field settings.

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* @param array $form_data Form data and settings.

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* @param string|string[] $error Error message.

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* @return string

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private function ajax_error_field_name( array $field, array $form_data, $error ): string {

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$props = wpforms()->get( 'frontend' )->get_field_properties( $field, $form_data );

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/**

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* Filter the field name for an ajax error message.

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* @since 1.6.3

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* @param string $name Error field name.

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* @param array $field Field.

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* @param array $props Field properties.

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* @param string|string[] $error Error message.

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return (string) apply_filters( 'wpforms_process_ajax_error_field_name', '', $field, $props, $error );

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}

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/**

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* Process AJAX redirect.

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* @since 1.5.3

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* @param string $url Redirect URL.

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public function ajax_process_redirect( $url ) {

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

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$form_id = isset( $_POST['wpforms']['id'] ) ? absint( $_POST['wpforms']['id'] ) : 0;

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if ( empty( $form_id ) ) {

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wp_send_json_error();

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}

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$response = [

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'form_id' => $form_id,

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'redirect_url' => $url,

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];

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$response = apply_filters( 'wpforms_ajax_submit_redirect', $response, $form_id, $url );

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do_action( 'wpforms_ajax_submit_completed', $form_id, $response );

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wp_send_json_success( $response );

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}

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}

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