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<?php
/** * Process and validate form entries. * * @since 1.0.0 */ class WPForms_Process {
/** * Store errors. * * @since 1.0.0 * * @var array */ public $errors;
/** * Confirmation message. * * @var string */ public $confirmation_message;
/** * Store formatted fields. * * @since 1.0.0 * * @var array */ public $fields;
/** * Store the ID of a successful entry. * * @since 1.2.3 * * @var int */ public $entry_id = 0;
/** * Form data and settings. * * @since 1.4.5 * * @var array */ public $form_data;
/** * If a valid return has was processed. * * @since 1.4.5 * * @var bool */ public $valid_hash = false;
/** * Primary class constructor. * * @since 1.0.0 */ public function __construct() {
add_action( 'wp', array( $this, 'listen' ) );
add_action( 'wp_ajax_wpforms_submit', array( $this, 'ajax_submit' ) ); add_action( 'wp_ajax_nopriv_wpforms_submit', array( $this, 'ajax_submit' ) ); }
/** * Listen to see if this is a return callback or a posted form entry. * * @since 1.0.0 */ public function listen() {
// Catch the post_max_size overflow. if ( $this->post_max_size_overflow() ) { return; }
if ( ! empty( $_GET['wpforms_return'] ) ) { // phpcs:ignore $this->entry_confirmation_redirect( '', $_GET['wpforms_return'] ); // phpcs:ignore }
if ( ! empty( $_POST['wpforms']['id'] ) ) { // phpcs:ignore $this->process( stripslashes_deep( $_POST['wpforms'] ) ); // phpcs:ignore
$form_id = wp_unslash( $_POST['wpforms']['id'] ); if ( wpforms_is_amp() ) { // Send 400 Bad Request when there are errors. if ( ! empty( $this->errors[ $form_id ] ) ) { $message = $this->errors[ $form_id ]['header']; if ( ! empty( $this->errors[ $form_id ]['footer'] ) ) { $message .= ' ' . $this->errors[ $form_id ]['footer']; } wp_send_json( array( 'message' => $message, ), 400 ); } else { wp_send_json( array( 'message' => $this->get_confirmation_message( $this->form_data, $this->fields, $this->entry_id ), ), 200 ); } } } }
/** * Process the form entry. * * @since 1.0.0 * @since 1.6.4 Added hCaptcha support. * * @param array $entry Form submission raw data ($_POST). */ public function process( $entry ) {
$this->errors = array(); $this->fields = array(); $form_id = absint( $entry['id'] ); $form = wpforms()->form->get( $form_id );
// Validate form is real and active (published). if ( ! $form || 'publish' !== $form->post_status ) { $this->errors[ $form_id ]['header'] = esc_html__( 'Invalid form.', 'wpforms-lite' ); return; }
// Formatted form data for hooks. $this->form_data = apply_filters( 'wpforms_process_before_form_data', wpforms_decode( $form->post_content ), $entry );
// Pre-process/validate hooks and filter. // Data is not validated or cleaned yet so use with caution. $entry = apply_filters( 'wpforms_process_before_filter', $entry, $this->form_data );
do_action( 'wpforms_process_before', $entry, $this->form_data ); do_action( "wpforms_process_before_{$form_id}", $entry, $this->form_data );
// Validate fields. foreach ( $this->form_data['fields'] as $field_properties ) {
$field_id = $field_properties['id']; $field_type = $field_properties['type']; $field_submit = isset( $entry['fields'][ $field_id ] ) ? $entry['fields'][ $field_id ] : '';
do_action( "wpforms_process_validate_{$field_type}", $field_id, $field_submit, $this->form_data ); }
// CAPTCHA check. $captcha_settings = wpforms_get_captcha_settings(); if ( ! empty( $captcha_settings['provider'] ) && 'none' !== $captcha_settings['provider'] && ! empty( $captcha_settings['site_key'] ) && ! empty( $captcha_settings['secret_key'] ) && isset( $this->form_data['settings']['recaptcha'] ) && '1' == $this->form_data['settings']['recaptcha'] && ! isset( $_POST['__amp_form_verify'] ) // phpcs:ignore WordPress.Security.NonceVerification.Missing -- No need to check CAPTCHA until form is submitted. && ( ( 'recaptcha' === $captcha_settings['provider'] && 'v3' === $captcha_settings['recaptcha_type'] ) || ! wpforms_is_amp() ) // AMP requires Google reCAPTCHA v3. ) {
if ( 'hcaptcha' === $captcha_settings['provider'] ) { $verify_url_raw = 'https://hcaptcha.com/siteverify'; $captcha_provider = esc_html__( 'hCaptcha', 'wpforms-lite' ); $post_key = 'h-captcha-response'; } else { $verify_url_raw = 'https://www.google.com/recaptcha/api/siteverify'; $captcha_provider = esc_html__( 'Google reCAPTCHA', 'wpforms-lite' ); $post_key = 'g-recaptcha-response'; }
/* translators: %s - The CAPTCHA provider name. */ $error = wpforms_setting( "{$captcha_settings['provider']}-fail-msg", sprintf( esc_html__( '%s verification failed, please try again later.', 'wpforms-lite' ), $captcha_provider ) ); $token = ! empty( $_POST[ $post_key ] ) ? $_POST[ $post_key ] : false; // phpcs:ignore $is_recaptcha_v3 = 'recaptcha' === $captcha_settings['provider'] && 'v3' === $captcha_settings['recaptcha_type'];
if ( $is_recaptcha_v3 ) { $token = ! empty( $_POST['wpforms']['recaptcha'] ) ? $_POST['wpforms']['recaptcha'] : false; // phpcs:ignore }
$verify_query_arg = [ 'secret' => $captcha_settings['secret_key'], 'response' => $token, 'remoteip' => wpforms_get_ip(), ];
/* * hCaptcha uses user IP to better detect bots and their attacks on a form. * Majority of our users have GDPR disabled. * So we remove this data from the request only when it's not needed: * 1) when GDPR is enabled AND globally disabled user details storage; * 2) when GDPR is enabled AND IP address processing is disabled on per form basis. */ if ( wpforms_setting( 'gdpr', false ) && ( wpforms_setting( 'gdpr-disable-details', false ) || ! empty( $this->form_data['settings']['disable_ip'] ) ) ) { unset( $verify_query_arg['remoteip'] ); }
$verify_url = add_query_arg( $verify_query_arg, $verify_url_raw );
/** * Filter the CAPTCHA verify URL. * * @since 1.6.4 * * @param string $verify_url The full CAPTCHA verify URL. * @param string $verify_url_raw The CAPTCHA verify URL without query. * @param string $verify_query_arg The query arguments for verify URL. */ $verify_url = apply_filters( 'wpforms_process_captcha_verify_url', $verify_url, $verify_url_raw, $verify_query_arg );
// API call. $response = json_decode( wp_remote_retrieve_body( wp_remote_get( $verify_url ) ) );
if ( empty( $response->success ) || ( $is_recaptcha_v3 && $response->score <= wpforms_setting( 'recaptcha-v3-threshold', '0.4' ) ) ) { if ( $is_recaptcha_v3 ) { if ( isset( $response->score ) ) { $error .= ' (' . esc_html( $response->score ) . ')'; } $this->errors[ $form_id ]['footer'] = $error; } else { $this->errors[ $form_id ]['recaptcha'] = $error; } } }
// Check if combined upload size exceeds allowed maximum. $this->validate_combined_upload_size( $form );
// Initial error check. // Don't proceed if there are any errors thus far. We provide a filter // so that other features, such as conditional logic, have the ability // to adjust blocking errors. $errors = apply_filters( 'wpforms_process_initial_errors', $this->errors, $this->form_data );
if ( isset( $_POST['__amp_form_verify'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing if ( empty( $errors[ $form_id ] ) ) { wp_send_json( array(), 200 ); } else { $verify_errors = array();
foreach ( $errors[ $form_id ] as $field_id => $error_fields ) { $field = $this->form_data['fields'][ $field_id ]; $field_properties = wpforms()->frontend->get_field_properties( $field, $this->form_data );
if ( is_string( $error_fields ) ) {
if ( 'checkbox' === $field['type'] || 'radio' === $field['type'] || 'select' === $field['type'] ) { $first = current( $field_properties['inputs'] ); $name = $first['attr']['name']; } elseif ( isset( $field_properties['inputs']['primary']['attr']['name'] ) ) { $name = $field_properties['inputs']['primary']['attr']['name']; }
$verify_errors[] = array( 'name' => $name, 'message' => $error_fields, ); } else { foreach ( $error_fields as $error_field => $error_message ) {
if ( isset( $field_properties['inputs'][ $error_field ]['attr']['name'] ) ) { $name = $field_properties['inputs'][ $error_field ]['attr']['name']; }
$verify_errors[] = array( 'name' => $name, 'message' => $error_message, ); } } }
wp_send_json( array( 'verifyErrors' => $verify_errors, ), 400 ); } return; }
if ( ! empty( $errors[ $form_id ] ) ) { if ( empty( $errors[ $form_id ]['header'] ) ) { $errors[ $form_id ]['header'] = esc_html__( 'Form has not been submitted, please see the errors below.', 'wpforms-lite' ); } $this->errors = $errors; return; }
$honeypot = wpforms()->get( 'honeypot' )->validate( $this->form_data, $this->fields, $entry );
// If we trigger the honey pot, we want to log the entry, disable the errors, and fail silently. if ( $honeypot ) {
// Logs spam entry depending on log levels set. wpforms_log( 'Spam Entry ' . uniqid(), array( $honeypot, $entry ), array( 'type' => array( 'spam' ), 'form_id' => $this->form_data['id'], ) );
// Fail silently. return; }
$antispam = wpforms()->get( 'token' )->validate( $this->form_data, $this->fields, $entry );
// If spam - return early. // For antispam, we want to make sure that we have a value, we are not using AMP, and the value is an error string. if ( $antispam && ! wpforms_is_amp() && is_string( $antispam ) ) {
if ( $antispam ) { $this->errors[ $form_id ]['header'] = $antispam; }
// Logs spam entry depending on log levels set. wpforms_log( esc_html__( 'Spam Entry ' ) . uniqid(), array( $antispam, $entry ), array( 'type' => array( 'spam' ), 'form_id' => $this->form_data['id'], ) );
return; }
// Pass the form created date into the form data. $this->form_data['created'] = $form->post_date;
// Format fields. foreach ( (array) $this->form_data['fields'] as $field_properties ) {
$field_id = $field_properties['id']; $field_type = $field_properties['type']; $field_submit = isset( $entry['fields'][ $field_id ] ) ? $entry['fields'][ $field_id ] : '';
do_action( "wpforms_process_format_{$field_type}", $field_id, $field_submit, $this->form_data ); }
// This hook is for internal purposes and should not be leveraged. do_action( 'wpforms_process_format_after', $this->form_data );
// Process hooks/filter - this is where most addons should hook // because at this point we have completed all field validation and // formatted the data. $this->fields = apply_filters( 'wpforms_process_filter', $this->fields, $entry, $this->form_data );
do_action( 'wpforms_process', $this->fields, $entry, $this->form_data ); do_action( "wpforms_process_{$form_id}", $this->fields, $entry, $this->form_data );
$this->fields = apply_filters( 'wpforms_process_after_filter', $this->fields, $entry, $this->form_data );
// One last error check - don't proceed if there are any errors. if ( ! empty( $this->errors[ $form_id ] ) ) { if ( empty( $this->errors[ $form_id ]['header'] ) ) { $this->errors[ $form_id ]['header'] = esc_html__( 'Form has not been submitted, please see the errors below.', 'wpforms-lite' ); } return; }
// Success - add entry to database. $this->entry_id = $this->entry_save( $this->fields, $entry, $this->form_data['id'], $this->form_data );
// Fire the logic to send notification emails. $this->entry_email( $this->fields, $entry, $this->form_data, $this->entry_id, 'entry' );
// Pass completed and formatted fields in POST. $_POST['wpforms']['complete'] = $this->fields;
// Pass entry ID in POST. $_POST['wpforms']['entry_id'] = $this->entry_id;
// Logs entry depending on log levels set. wpforms_log( $this->entry_id ? "Entry {$this->entry_id}" : 'Entry', $this->fields, array( 'type' => array( 'entry' ), 'parent' => $this->entry_id, 'form_id' => $this->form_data['id'], ) );
// Post-process hooks. do_action( 'wpforms_process_complete', $this->fields, $entry, $this->form_data, $this->entry_id ); do_action( "wpforms_process_complete_{$form_id}", $this->fields, $entry, $this->form_data, $this->entry_id );
$this->entry_confirmation_redirect( $this->form_data ); }
/** * Check if combined upload size exceeds allowed maximum. * * @since 1.6.0 * * @param \WP_Post $form Form post object. */ public function validate_combined_upload_size( $form ) {
$form_id = (int) $form->ID; $upload_fields = wpforms_get_form_fields( $form, array( 'file-upload' ) );
if ( ! empty( $upload_fields ) && ! empty( $_FILES ) ) {
// Get $_FILES keys generated by WPForms only. $files_keys = preg_filter( '/^/', 'wpforms_' . $form_id . '_', array_keys( $upload_fields ) );
// Filter uploads without errors. Individual errors are handled by WPForms_Field_File_Upload class. $files = wp_list_filter( wp_array_slice_assoc( $_FILES, $files_keys ), array( 'error' => 0 ) ); $files_size = array_sum( wp_list_pluck( $files, 'size' ) ); $files_size_max = wpforms_max_upload( true );
if ( $files_size > $files_size_max ) {
// Add new header error preserving previous ones. $this->errors[ $form_id ]['header'] = ! empty( $this->errors[ $form_id ]['header'] ) ? $this->errors[ $form_id ]['header'] . '<br>' : ''; $this->errors[ $form_id ]['header'] .= esc_html__( 'Uploaded files combined size exceeds allowed maximum.', 'wpforms-lite' ); } } }
/** * Validate the form return hash. * * @since 1.0.0 * * @param string $hash Base64-encoded hash of form and entry IDs. * * @return array|false False for invalid or form id. */ public function validate_return_hash( $hash = '' ) {
$query_args = base64_decode( $hash );
parse_str( $query_args, $output );
// Verify hash matches. if ( wp_hash( $output['form_id'] . ',' . $output['entry_id'] ) !== $output['hash'] ) { return false; }
// Get lead and verify it is attached to the form we received with it. $entry = wpforms()->entry->get( $output['entry_id'] );
if ( $output['form_id'] != $entry->form_id ) { return false; }
return array( 'form_id' => absint( $output['form_id'] ), 'entry_id' => absint( $output['form_id'] ), 'fields' => null !== $entry && isset( $entry->fields ) ? $entry->fields : array(), ); }
/** * Check if the confirmation data are valid. * * @since 1.6.4 * * @param array $data The confirmation data. * * @return bool */ protected function is_valid_confirmation( $data ) {
if ( empty( $data['type'] ) ) { return false; }
// Confirmation type: redirect, page or message. $type = $data['type'];
return isset( $data[ $type ] ) && ! wpforms_is_empty_string( $data[ $type ] ); }
/** * Redirect user to a page or URL specified in the form confirmation settings. * * @since 1.0.0 * * @param array $form_data Form data and settings. * @param string $hash Base64-encoded hash of form and entry IDs. */ public function entry_confirmation_redirect( $form_data = array(), $hash = '' ) {
// Maybe process return hash. if ( ! empty( $hash ) ) {
$hash_data = $this->validate_return_hash( $hash );
if ( ! $hash_data || ! is_array( $hash_data ) ) { return; }
$this->valid_hash = true; $this->entry_id = absint( $hash_data['entry_id'] ); $this->fields = json_decode( $hash_data['fields'], true ); $this->form_data = wpforms()->form->get( absint( $hash_data['form_id'] ), array( 'content_only' => true, ) );
} else {
$this->form_data = $form_data; }
// Backward compatibility. if ( empty( $this->form_data['settings']['confirmations'] ) ) { $this->form_data['settings']['confirmations'][1]['type'] = ! empty( $this->form_data['settings']['confirmation_type'] ) ? $this->form_data['settings']['confirmation_type'] : 'message'; $this->form_data['settings']['confirmations'][1]['message'] = ! empty( $this->form_data['settings']['confirmation_message'] ) ? $this->form_data['settings']['confirmation_message'] : esc_html__( 'Thanks for contacting us! We will be in touch with you shortly.', 'wpforms-lite' ); $this->form_data['settings']['confirmations'][1]['message_scroll'] = ! empty( $this->form_data['settings']['confirmation_message_scroll'] ) ? $this->form_data['settings']['confirmation_message_scroll'] : 1; $this->form_data['settings']['confirmations'][1]['page'] = ! empty( $this->form_data['settings']['confirmation_page'] ) ? $this->form_data['settings']['confirmation_page'] : ''; $this->form_data['settings']['confirmations'][1]['redirect'] = ! empty( $this->form_data['settings']['confirmation_redirect'] ) ? $this->form_data['settings']['confirmation_redirect'] : ''; }
if ( empty( $this->form_data['settings']['confirmations'] ) || ! is_array( $this->form_data['settings']['confirmations'] ) ) { return; }
$confirmations = $this->form_data['settings']['confirmations'];
// Reverse sort confirmations by id to process newer ones first. krsort( $confirmations );
$default_confirmation_key = min( array_keys( $confirmations ) );
foreach ( $confirmations as $confirmation_id => $confirmation ) { // Last confirmation should execute in any case. if ( $default_confirmation_key === $confirmation_id ) { break; }
if ( ! $this->is_valid_confirmation( $confirmation ) ) { continue; }
$process_confirmation = apply_filters( 'wpforms_entry_confirmation_process', true, $this->fields, $form_data, $confirmation_id ); if ( $process_confirmation ) { break; } }
$url = ''; // Redirect if needed, to either a page or URL, after form processing. if ( ! empty( $confirmations[ $confirmation_id ]['type'] ) && 'message' !== $confirmations[ $confirmation_id ]['type'] ) {
if ( 'redirect' === $confirmations[ $confirmation_id ]['type'] ) { add_filter( 'wpforms_field_smart_tag_value', 'rawurlencode' ); $url = apply_filters( 'wpforms_process_smart_tags', $confirmations[ $confirmation_id ]['redirect'], $this->form_data, $this->fields, $this->entry_id ); }
if ( 'page' === $confirmations[ $confirmation_id ]['type'] ) { $url = get_permalink( (int) $confirmations[ $confirmation_id ]['page'] ); } }
if ( ! empty( $url ) ) { $url = apply_filters( 'wpforms_process_redirect_url', $url, $this->form_data['id'], $this->fields, $this->form_data, $this->entry_id ); if ( wpforms_is_amp() ) { /** This filter is documented in wp-includes/pluggable.php */ $url = apply_filters( 'wp_redirect', $url, 302 ); $url = wp_sanitize_redirect( $url ); header( sprintf( 'AMP-Redirect-To: %s', $url ) ); header( 'Access-Control-Expose-Headers: AMP-Redirect-To', false ); wp_send_json( array( 'message' => __( 'Redirecting…', 'wpforms-lite' ), 'redirecting' => true, ), 200 ); } else { wp_redirect( esc_url_raw( $url ) ); // phpcs:ignore } do_action( 'wpforms_process_redirect', $this->form_data['id'] ); do_action( "wpforms_process_redirect_{$this->form_data['id']}", $this->form_data['id'] ); exit; }
// Pass a message to a frontend if no redirection happened. if ( ! empty( $confirmations[ $confirmation_id ]['type'] ) && 'message' === $confirmations[ $confirmation_id ]['type'] ) { $this->confirmation_message = $confirmations[ $confirmation_id ]['message'];
if ( ! empty( $confirmations[ $confirmation_id ]['message_scroll'] ) ) { wpforms()->frontend->confirmation_message_scroll = true; } } }
/** * Get confirmation message. * * @since 1.5.3 * * @param array $form_data Form data and settings. * @param array $fields Sanitized field data. * @param int $entry_id Entry id. * * @return string Confirmation message. */ public function get_confirmation_message( $form_data, $fields, $entry_id ) {
if ( empty( $this->confirmation_message ) ) { return ''; }
$confirmation_message = apply_filters( 'wpforms_process_smart_tags', $this->confirmation_message, $form_data, $fields, $entry_id ); $confirmation_message = apply_filters( 'wpforms_frontend_confirmation_message', wpautop( $confirmation_message ), $form_data, $fields, $entry_id );
return $confirmation_message; }
/** * Catch the post_max_size overflow. * * @since 1.5.2 * * @return bool */ public function post_max_size_overflow() {
if ( empty( $_SERVER['CONTENT_LENGTH'] ) || empty( $_GET['wpforms_form_id'] ) ) { // phpcs:ignore return false; }
$form_id = (int) $_GET['wpforms_form_id']; $total_size = (int) $_SERVER['CONTENT_LENGTH']; $post_max_size = wpforms_size_to_bytes( ini_get( 'post_max_size' ) );
if ( ! ( $total_size > $post_max_size && empty( $_POST ) && $form_id > 0 ) ) { return false; }
$total_size = number_format( $total_size / 1048576, 3 ); $post_max_size = number_format( $post_max_size / 1048576, 3 ); $error_msg = esc_html__( 'Form has not been submitted, please see the errors below.', 'wpforms-lite' ); $error_msg .= '<br>' . esc_html__( 'The total size of the selected files {totalSize} Mb exceeds the allowed limit {maxSize} Mb.', 'wpforms-lite' ); $error_msg = str_replace( '{totalSize}', $total_size, $error_msg ); $error_msg = str_replace( '{maxSize}', $post_max_size, $error_msg );
$this->errors[ $form_id ]['header'] = $error_msg;
return true; }
/** * Send entry email notifications. * * @since 1.0.0 * * @param array $fields List of fields. * @param array $entry Submitted form entry. * @param array $form_data Form data and settings. * @param int $entry_id Saved entry id. * @param string $context In which context this email is sent. */ public function entry_email( $fields, $entry, $form_data, $entry_id, $context = '' ) {
// Check that the form was configured for email notifications. if ( empty( $form_data['settings']['notification_enable'] ) || '1' != $form_data['settings']['notification_enable'] ) { return; }
// Provide the opportunity to override via a filter. if ( ! apply_filters( 'wpforms_entry_email', true, $fields, $entry, $form_data ) ) { return; }
// Make sure we have and entry id. if ( empty( $this->entry_id ) ) { $this->entry_id = (int) $entry_id; }
$fields = apply_filters( 'wpforms_entry_email_data', $fields, $entry, $form_data );
// Backwards compatibility for notifications before v1.4.3. if ( empty( $form_data['settings']['notifications'] ) ) { $notifications[1] = array( 'email' => $form_data['settings']['notification_email'], 'subject' => $form_data['settings']['notification_subject'], 'sender_name' => $form_data['settings']['notification_fromname'], 'sender_address' => $form_data['settings']['notification_fromaddress'], 'replyto' => $form_data['settings']['notification_replyto'], 'message' => '{all_fields}', ); } else { $notifications = $form_data['settings']['notifications']; }
foreach ( $notifications as $notification_id => $notification ) :
if ( empty( $notification['email'] ) ) { continue; }
$process_email = apply_filters( 'wpforms_entry_email_process', true, $fields, $form_data, $notification_id, $context );
if ( ! $process_email ) { continue; }
$email = array();
// Setup email properties. /* translators: %s - form name. */ $email['subject'] = ! empty( $notification['subject'] ) ? $notification['subject'] : sprintf( esc_html__( 'New %s Entry', 'wpforms-lite' ), $form_data['settings']['form_title'] ); $email['address'] = explode( ',', apply_filters( 'wpforms_process_smart_tags', $notification['email'], $form_data, $fields, $this->entry_id ) ); $email['address'] = array_map( 'sanitize_email', $email['address'] ); $email['sender_address'] = ! empty( $notification['sender_address'] ) ? $notification['sender_address'] : get_option( 'admin_email' ); $email['sender_name'] = ! empty( $notification['sender_name'] ) ? $notification['sender_name'] : get_bloginfo( 'name' ); $email['replyto'] = ! empty( $notification['replyto'] ) ? $notification['replyto'] : false; $email['message'] = ! empty( $notification['message'] ) ? $notification['message'] : '{all_fields}'; $email = apply_filters( 'wpforms_entry_email_atts', $email, $fields, $entry, $form_data, $notification_id );
// Create new email. $emails = new WPForms_WP_Emails(); $emails->__set( 'form_data', $form_data ); $emails->__set( 'fields', $fields ); $emails->__set( 'notification_id', $notification_id ); $emails->__set( 'entry_id', $this->entry_id ); $emails->__set( 'from_name', $email['sender_name'] ); $emails->__set( 'from_address', $email['sender_address'] ); $emails->__set( 'reply_to', $email['replyto'] );
// Maybe include CC. if ( ! empty( $notification['carboncopy'] ) && wpforms_setting( 'email-carbon-copy', false ) ) { $emails->__set( 'cc', $notification['carboncopy'] ); }
$emails = apply_filters( 'wpforms_entry_email_before_send', $emails );
// Go. foreach ( $email['address'] as $address ) { $emails->send( trim( $address ), $email['subject'], $email['message'] ); } endforeach; }
/** * Save entry to database. * * @since 1.0.0 * * @param array $fields List of form fields. * @param array $entry User submitted data. * @param int $form_id Form ID. * @param array $form_data Prepared form settings. * * @return int */ public function entry_save( $fields, $entry, $form_id, $form_data = array() ) {
do_action( 'wpforms_process_entry_save', $fields, $entry, $form_id, $form_data );
return $this->entry_id; }
/** * Process AJAX form submit. * * @since 1.5.3 */ public function ajax_submit() {
$form_id = isset( $_POST['wpforms']['id'] ) ? absint( $_POST['wpforms']['id'] ) : 0; // phpcs:ignore
if ( empty( $form_id ) ) { wp_send_json_error(); }
if ( isset( $_POST['wpforms']['post_id'] ) ) { // phpcs:ignore // We don't have a global $post when processing ajax requests. // Therefore, it's needed to set a global $post manually for compatibility with functions used in smart tag processing. global $post; $post = WP_Post::get_instance( absint( $_POST['wpforms']['post_id'] ) ); // phpcs:ignore }
add_filter( 'wp_redirect', array( $this, 'ajax_process_redirect' ), 999 );
do_action( 'wpforms_ajax_submit_before_processing', $form_id );
// If redirect happens in listen(), ajax_process_redirect() gets executed because of the filter on `wp_redirect`. // The code, that is below listen(), runs only if no redirect happened. $this->listen();
$form_data = $this->form_data;
if ( empty( $form_data ) ) { $form_data = wpforms()->form->get( $form_id, array( 'content_only' => true ) ); $form_data = apply_filters( 'wpforms_frontend_form_data', $form_data ); }
if ( ! empty( $this->errors[ $form_id ] ) ) { $this->ajax_process_errors( $form_id, $form_data ); wp_send_json_error(); }
ob_start();
wpforms()->frontend->confirmation( $form_data );
$response = apply_filters( 'wpforms_ajax_submit_success_response', array( 'confirmation' => ob_get_clean() ), $form_id, $form_data );
do_action( 'wpforms_ajax_submit_completed', $form_id, $response );
wp_send_json_success( $response ); }
/** * Process AJAX errors. * * @since 1.5.3 * @todo This should be re-used/combined for AMP verify-xhr requests. * * @param int $form_id Form ID. * @param array $form_data Form data and settings. */ protected function ajax_process_errors( $form_id, $form_data ) {
$errors = isset( $this->errors[ $form_id ] ) ? $this->errors[ $form_id ] : array();
$errors = apply_filters( 'wpforms_ajax_submit_errors', $errors, $form_id, $form_data );
if ( empty( $errors ) ) { wp_send_json_error(); }
// General errors are errors that cannot be populated with jQuery Validate plugin. $general_errors = array_intersect_key( $errors, array_flip( array( 'header', 'footer', 'recaptcha' ) ) );
foreach ( $general_errors as $key => $error ) { ob_start(); wpforms()->frontend->form_error( $key, $error ); $general_errors[ $key ] = ob_get_clean(); }
$fields = isset( $form_data['fields'] ) ? $form_data['fields'] : array();
// Get registered fields errors only. $field_errors = array_intersect_key( $errors, $fields );
// Transform field ids to field names for jQuery Validate plugin. foreach ( $field_errors as $key => $error ) {
$name = $this->ajax_error_field_name( $fields[ $key ], $form_data, $error ); if ( $name ) { $field_errors[ $name ] = $error; }
unset( $field_errors[ $key ] ); }
$response = array();
if ( $general_errors ) { $response['errors']['general'] = $general_errors; }
if ( $field_errors ) { $response['errors']['field'] = $field_errors; }
$response = apply_filters( 'wpforms_ajax_submit_errors_response', $response, $form_id, $form_data );
do_action( 'wpforms_ajax_submit_completed', $form_id, $response );
wp_send_json_error( $response ); }
/** * Get field name for ajax error message. * * @since 1.6.3 * * @param array $field Field settings. * @param array $form_data Form data and settings. * @param string $error Error message. * * @return string */ private function ajax_error_field_name( $field, $form_data, $error ) {
$props = wpforms()->frontend->get_field_properties( $field, $form_data );
return apply_filters( 'wpforms_process_ajax_error_field_name', '', $field, $props, $error ); }
/** * Process AJAX redirect. * * @since 1.5.3 * * @param string $url Redirect URL. */ public function ajax_process_redirect( $url ) {
$form_id = isset( $_POST['wpforms']['id'] ) ? absint( $_POST['wpforms']['id'] ) : 0; // phpcs:ignore WordPress.Security.NonceVerification
if ( empty( $form_id ) ) { wp_send_json_error(); }
$response = array( 'form_id' => $form_id, 'redirect_url' => $url, );
$response = apply_filters( 'wpforms_ajax_submit_redirect', $response, $form_id, $url );
do_action( 'wpforms_ajax_submit_completed', $form_id, $response );
wp_send_json_success( $response ); } }
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