File: /var/www/html/wptalentcloud/wp-content/plugins/ninja-forms/includes/AJAX/Controllers/Submission.php
<?php if ( ! defined( 'ABSPATH' ) ) exit;
class NF_AJAX_Controllers_Submission extends NF_Abstracts_Controller
{
protected $_form_data = array();
protected $_form_cache = array();
protected $_preview_data = array();
protected $_form_id = '';
public function __construct()
{
if( isset( $_POST[ 'nf_resume' ] ) && isset( $_COOKIE[ 'nf_wp_session' ] ) ){
add_action( 'init', array( $this, 'resume' ) );
return;
}
if( isset( $_POST['formData'] ) ) {
$this->_form_data = json_decode( $_POST['formData'], TRUE );
// php5.2 fallback
if( ! $this->_form_data ) $this->_form_data = json_decode( stripslashes( $_POST['formData'] ), TRUE );
}
// Ajax calls here are both handled by 'submit' in this file
add_action( 'wp_ajax_nf_ajax_submit', array( $this, 'submit' ) );
add_action( 'wp_ajax_nopriv_nf_ajax_submit', array( $this, 'submit' ) );
/**
* Ajax calls here are handled by 'resume' in this file. These calls
* are normally made by the application when returning from 'PayPal' or
* 'Stripe'.
*/
add_action( 'wp_ajax_nf_ajax_resume', array( $this, 'resume' ) );
add_action( 'wp_ajax_nopriv_nf_ajax_resume', array( $this, 'resume' ) );
}
public function submit()
{
$nonce_name = 'ninja_forms_display_nonce';
/**
* We've got to get the 'nonce_ts' to append to the nonce name to get
* the unique nonce we created
* */
if( isset( $_REQUEST[ 'nonce_ts' ] ) && 0 < strlen( $_REQUEST[ 'nonce_ts' ] ) ) {
$nonce_name = $nonce_name . "_" . $_REQUEST[ 'nonce_ts' ];
}
$check_ajax_referer = check_ajax_referer( $nonce_name, 'security', $die = false );
if(!$check_ajax_referer){
/**
* "Just in Time Nonce".
* If the nonce fails, then send back a new nonce for the form to resubmit.
* This supports the edge-case of 11:59:59 form submissions, while avoiding the form load nonce request.
*/
$current_time_stamp = time();
$new_nonce_name = 'ninja_forms_display_nonce_' . $current_time_stamp;
$this->_errors['nonce'] = array(
'new_nonce' => wp_create_nonce( $new_nonce_name ),
'nonce_ts' => $current_time_stamp
);
$this->_respond();
}
register_shutdown_function( array( $this, 'shutdown' ) );
$this->form_data_check();
$this->_form_id = $this->_form_data['id'];
/* Render Instance Fix */
if(strpos($this->_form_id, '_')){
$this->_form_instance_id = $this->_form_id;
list($this->_form_id, $this->_instance_id) = explode('_', $this->_form_id);
$updated_fields = array();
foreach($this->_form_data['fields'] as $field_id => $field ){
list($field_id) = explode('_', $field_id);
list($field['id']) = explode('_', $field['id']);
$updated_fields[$field_id] = $field;
}
$this->_form_data['fields'] = $updated_fields;
}
/* END Render Instance Fix */
// If we don't have a numeric form ID...
if ( ! is_numeric( $this->_form_id ) ) {
// Kick the request out without processing.
$this->_errors[] = esc_html__( 'Form does not exist.', 'ninja-forms' );
$this->_respond();
}
// Check to see if our form is maintenance mode.
$is_maintenance = WPN_Helper::form_in_maintenance( $this->_form_id );
/*
* If our form is in maintenance mode then, stop processing and throw an error with a link
* back to the form.
*/
if ( $is_maintenance ) {
$message = sprintf(
esc_html__( 'This form is currently undergoing maintenance. Please %sclick here%s to reload the form and try again.', 'ninja-forms' )
,'<a href="' . esc_html($_SERVER[ 'HTTP_REFERER' ]) . '">', '</a>'
);
$this->_errors[ 'form' ][] = apply_filters( 'nf_maintenance_message', $message ) ;
$this->_respond();
}
if( $this->is_preview() ) {
$this->_form_cache = get_user_option( 'nf_form_preview_' . $this->_form_id );
if( ! $this->_form_cache ){
$this->_errors[ 'preview' ] = esc_html__( 'Preview does not exist.', 'ninja-forms' );
$this->_respond();
}
} else {
if( WPN_Helper::use_cache() ) {
$this->_form_cache = WPN_Helper::get_nf_cache( $this->_form_id );
}
}
// Add Field Keys to _form_data
if(! $this->is_preview()){
// Make sure we don't have any field ID mismatches.
foreach( $this->_form_data[ 'fields' ] as $id => $settings ){
if( $id != $settings[ 'id' ] ){
$this->_errors[ 'fields' ][ $id ] = esc_html__( 'The submitted data is invalid.', 'ninja-forms' );
$this->_respond();
}
}
$form_fields = Ninja_Forms()->form($this->_form_id)->get_fields();
foreach ($form_fields as $id => $field) {
$this->_form_data['fields'][$id]['key'] = $field->get_setting('key');
}
}
// TODO: Update Conditional Logic to preserve field ID => [ Settings, ID ] structure.
$this->_form_data = apply_filters( 'ninja_forms_submit_data', $this->_form_data );
$this->process();
}
public function resume()
{
$this->_form_data = Ninja_Forms()->session()->get( 'nf_processing_form_data' );
$this->_form_cache = Ninja_Forms()->session()->get( 'nf_processing_form_cache' );
$this->_data = Ninja_Forms()->session()->get( 'nf_processing_data' );
$this->_data[ 'resume' ] = WPN_Helper::sanitize_text_field($_POST[ 'nf_resume' ]);
$this->_form_id = $this->_data[ 'form_id' ];
unset( $this->_data[ 'halt' ] );
unset( $this->_data[ 'actions' ][ 'redirect' ] );
$this->process();
}
protected function process()
{
// Init Field Merge Tags.
$field_merge_tags = Ninja_Forms()->merge_tags[ 'fields' ];
$field_merge_tags->set_form_id( $this->_form_id );
// Init Calc Merge Tags.
$calcs_merge_tags = Ninja_Forms()->merge_tags[ 'calcs' ];
if(isset($this->_form_cache[ 'settings' ] ) ) {
$form_settings = $this->_form_cache[ 'settings' ];
} else {
$form_settings = false;
}
if( ! $form_settings ){
$form = Ninja_Forms()->form( $this->_form_id )->get();
$form_settings = $form->get_settings();
}
// Init Form Merge Tags.
$form_merge_tags = Ninja_Forms()->merge_tags[ 'form' ];
$form_merge_tags->set_form_id( $this->_form_id );
$form_merge_tags->set_form_title( $form_settings['title'] );
$this->_data[ 'form_id' ] = $this->_form_data[ 'form_id' ] = $this->_form_id;
$this->_data[ 'settings' ] = $form_settings;
$this->_data[ 'settings' ][ 'is_preview' ] = $this->is_preview();
$this->maybePreserveExtraData();
$this->_data[ 'extra' ] = $this->_form_data[ 'extra' ];
/*
|--------------------------------------------------------------------------
| Fields
|--------------------------------------------------------------------------
*/
if( $this->is_preview() ){
$form_fields = $this->_form_cache[ 'fields' ];
} else {
$form_fields = Ninja_Forms()->form($this->_form_id)->get_fields();
}
/**
* The Field Processing Loop.
*
* There can only be one!
* For performance reasons, this should be the only time that the fields array is traversed.
* Anything needing to loop through fields should integrate here.
*/
$validate_fields = apply_filters( 'ninja_forms_validate_fields', true, $this->_data );
foreach( $form_fields as $key => $field ){
if( is_object( $field ) ) {
//Process Merge tags on Repeater fields values
if( $field->get_setting('type' )=== "repeater" ){
$this->process_repeater_fields_merge_tags( $field );
}
$field = array(
'id' => $field->get_id(),
'settings' => $field->get_settings()
);
}
/** Get the field ID */
/*
* TODO: Refactor data structures to match.
* Preview: Field IDs are stored as the associated array key.
* Publish: Field IDs are stored as an array key=>value pair.
*/
if( $this->is_preview() ){
$field[ 'id' ] = $key;
}
// Duplicate field ID as single variable for more readable array access.
$field_id = $field[ 'id' ];
// Check that the field ID exists in the submitted for data and has a submitted value.
if( isset( $this->_form_data[ 'fields' ][ $field_id ] ) && isset( $this->_form_data[ 'fields' ][ $field_id ][ 'value' ] ) ){
$field[ 'value' ] = $this->_form_data[ 'fields' ][ $field_id ][ 'value' ];
} else {
$field[ 'value' ] = '';
}
// Duplicate field value to settings and top level array item for backwards compatible access (ie Save Action).
$field[ 'settings' ][ 'value' ] = $field[ 'value' ];
// Duplicate field value to form cache for passing to the action filter.
$this->_form_cache[ 'fields' ][ $key ][ 'settings' ][ 'value' ] = $this->_form_data[ 'fields' ][ $field_id ][ 'value' ];
// Duplicate the Field ID for access as a setting.
$field[ 'settings' ][ 'id' ] = $field[ 'id' ];
// Combine with submitted data.
$field = array_merge( $field, $this->_form_data[ 'fields' ][ $field_id ] );
// Flatten the field array.
$field = array_merge( $field, $field[ 'settings' ] );
/** Prepare Fields in repeater for Validation and Process */
if( $field["type"] === "repeater" ){
foreach( $field["value"] as $index => $child_field_value ){
foreach( $field['fields'] as $i => $child_field ) {
if(strpos($index, $child_field['id']) !== false){
$field['value'][$index] = array_merge($child_field, $child_field_value);
}
}
}
}
/** Validate the Field */
if( $validate_fields && ! isset( $this->_data[ 'resume' ] ) ){
if( $field["type"] === "repeater" ){
foreach( $field["value"] as $index => $child_field ){
$this->validate_field( $field["value"][$index] );
}
} else {
$this->validate_field( $field );
}
}
/** Process the Field */
if( ! isset( $this->_data[ 'resume' ] ) ) {
if( $field["type"] === "repeater" ){
foreach( $field["value"] as $index => $child_field ){
$this->process_field( $field["value"][$index] );
}
} else {
$this->process_field($field);
}
}
$field = array_merge( $field, $this->_form_data[ 'fields' ][ $field_id ] );
// Check for field errors after processing.
if ( isset( $this->_form_data['errors']['fields'][ $field_id ] ) ) {
$this->_errors['fields'][ $field_id ] = $this->_form_data['errors']['fields'][ $field_id ];
$this->_respond();
}
/** Populate Field Merge Tag */
$field_merge_tags->add_field( $field );
$this->_data[ 'fields' ][ $field_id ] = $field;
$this->_data[ 'fields_by_key' ][ $field[ 'key' ] ] = $field;
}
/*
|--------------------------------------------------------------------------
| Check for unique field settings.
|--------------------------------------------------------------------------
*/
if ( isset( $this->_data[ 'resume' ] ) && $this->_data[ 'resume' ] ){
// On Resume Submission, we don't need to run this check again.
// This section intentionally left blank.
} elseif ( isset ( $this->_data[ 'settings' ][ 'unique_field' ] ) && ! empty( $this->_data[ 'settings' ][ 'unique_field' ] ) ) {
/*
* Get our unique field
*/
$unique_field_key = $this->_data[ 'settings' ][ 'unique_field' ];
$unique_field_error = $this->_data[ 'settings' ][ 'unique_field_error' ];
$unique_field_id = $this->_data[ 'fields_by_key' ][ $unique_field_key ][ 'id' ];
$unique_field_value = $this->_data[ 'fields_by_key' ][ $unique_field_key ][ 'value' ];
if ( is_array( $unique_field_value ) ) {
$unique_field_value = serialize( $unique_field_value );
}
if ( ! empty($unique_field_value) ) {
/*
* Check our db for the value submitted.
*/
global $wpdb;
// @TODO: Rewrite this to use our submissions API.
$sql = $wpdb->prepare( "SELECT COUNT(m.meta_id) FROM `" . $wpdb->prefix . "postmeta` AS m LEFT JOIN `" . $wpdb->prefix . "posts` AS p ON p.id = m.post_id WHERE m.meta_key = '_field_%d' AND m.meta_value = '%s' AND p.post_status = 'publish'", $unique_field_id, $unique_field_value );
$result = $wpdb->get_results( $sql, 'ARRAY_N' );
if ( intval( $result[ 0 ][ 0 ] ) > 0 ) {
$this->_errors['fields'][ $unique_field_id ] = array( 'slug' => 'unique_field', 'message' => $unique_field_error );
$this->_respond();
}
}
}
/*
|--------------------------------------------------------------------------
| Verify the submission limit.
|--------------------------------------------------------------------------
*/
if ( isset( $this->_data[ 'settings' ][ 'sub_limit_number' ] ) && ! empty( $this->_data[ 'settings' ][ 'sub_limit_number' ] ) ) {
global $wpdb;
$result = $wpdb->get_row( "SELECT COUNT(DISTINCT(p.ID)) AS count FROM `$wpdb->posts` AS p
LEFT JOIN `$wpdb->postmeta` AS m
ON p.ID = m.post_id
WHERE m.meta_key = '_form_id'
AND m.meta_value = $this->_form_id
AND p.post_status = 'publish'");
if ( intval( $result->count ) >= intval( $this->_data[ 'settings' ][ 'sub_limit_number' ] ) ) {
$this->_errors[ 'form' ][] = $this->_data[ 'settings' ][ 'sub_limit_msg' ];
$this->_respond();
}
}
/*
|--------------------------------------------------------------------------
| Calculations
|--------------------------------------------------------------------------
*/
/**
* We shouldn't have anything in here before processing.
* So, clear out the trash.
*/
if( isset( $this->_data['extra']['calculations'] ) ) {
unset( $this->_data['extra']['calculations']);
unset( $this->_form_data['extra']['calculations']);
}
if( isset( $this->_form_cache[ 'settings' ][ 'calculations' ] ) ) {
/**
* The Calculation Processing Loop
*/
foreach( $this->_form_cache[ 'settings' ][ 'calculations' ] as $calc ){
$eq = apply_filters( 'ninja_forms_calc_setting', $calc[ 'eq' ] );
// Scrub unmerged tags (ie deleted/non-existent fields/calcs, etc).
$eq = preg_replace( '/{([a-zA-Z0-9]|:|_|-)*}/', 0, $eq);
/**
* PHP doesn't evaluate empty strings to numbers. So check
* for any string for the decimal place
**/
$dec = ( isset( $calc[ 'dec' ] ) && '' != $calc[ 'dec' ] ) ?
$calc[ 'dec' ] : 2;
$calcs_merge_tags->set_merge_tags( $calc[ 'name' ], $eq, $dec, $this->_form_data['settings']['decimal_point'], $this->_form_data['settings']['thousands_sep'] );
$this->_data[ 'extra' ][ 'calculations' ][ $calc[ 'name' ] ] = array(
'raw' => $calc[ 'eq' ],
'parsed' => $eq,
'value' => $calcs_merge_tags->get_formatted_calc_value( $calc[ 'name' ], $dec, $this->_form_data['settings']['decimal_point'], $this->_form_data['settings']['thousands_sep'] ),
);
}
}
/*
|--------------------------------------------------------------------------
| Actions
|--------------------------------------------------------------------------
*/
/*
* TODO: This section has become convoluted, but will be refactored along with the submission controller.
*/
if( isset( $this->_data[ 'resume' ] ) && $this->_data[ 'resume' ] ){
// On Resume Submission, the action data is loaded form the session.
// This section intentionally left blank.
} elseif( ! $this->is_preview() ) {
// Published forms rely on the Database for the "truth" about Actions.
$actions = Ninja_Forms()->form($this->_form_id)->get_actions();
$this->_form_cache[ 'actions' ] = array();
foreach( $actions as $action ){
$action_id = $action->get_id();
$this->_form_cache[ 'actions' ][ $action_id ] = array(
'id' => $action_id,
'settings' => $action->get_settings()
);
}
} else {
// Previews uses user option for stored data.
$preview_data = get_user_option( 'nf_form_preview_' . $this->_form_id );
$this->_form_cache[ 'actions' ] = $preview_data[ 'actions' ];
}
/* END form cache bypass. */
// Sort Actions by Timing Order, then by Priority Order.
usort( $this->_form_cache[ 'actions' ], array( $this, 'sort_form_actions' ) );
/*
* Filter Actions so that they can be pragmatically disabled by add-ons.
*
* ninja_forms_submission_actions
* ninja_forms_submission_actions_preview
*/
$this->_form_cache[ 'actions' ] = apply_filters( 'ninja_forms_submission_actions', $this->_form_cache[ 'actions' ], $this->_form_cache, $this->_form_data );
if( $this->is_preview() ) {
$this->_form_cache['actions'] = apply_filters('ninja_forms_submission_actions_preview', $this->_form_cache['actions'], $this->_form_cache);
}
// Initialize the process actions log.
if( ! isset( $this->_data[ 'processed_actions' ] ) ) $this->_data[ 'processed_actions' ] = array();
/*
* Merging extra data that may have been added by fields during processing so that the values aren't lost when we enter the action loop.
*/
$this->_data[ 'extra' ] = array_merge( $this->_data[ 'extra' ], $this->_form_data[ 'extra' ] );
/**
* The Action Processing Loop
*/
foreach( $this->_form_cache[ 'actions' ] as $key => $action ){
/** Get the action ID */
/*
* TODO: Refactor data structures to match.
* Preview: Action IDs are stored as the associated array key.
* Publish: Action IDs are stored as an array key=>value pair.
*/
if( $this->is_preview() ){
$action[ 'id' ] = $key;
}
// Duplicate the Action ID for access as a setting.
$action[ 'settings' ][ 'id' ] = $action[ 'id' ];
// Duplicate action ID as single variable for more readable array access.
$action_id = $action[ 'id' ];
// If an action has already run (ie resume submission), do not re-process.
if( in_array( $action[ 'id' ], $this->_data[ 'processed_actions' ] ) ) continue;
$action[ 'settings' ] = apply_filters( 'ninja_forms_run_action_settings', $action[ 'settings' ], $this->_form_id, $action[ 'id' ], $this->_form_data['settings'] );
if( $this->is_preview() ){
$action[ 'settings' ] = apply_filters( 'ninja_forms_run_action_settings_preview', $action[ 'settings' ], $this->_form_id, $action[ 'id' ], $this->_form_data['settings'] );
}
if( ! $action[ 'settings' ][ 'active' ] ) continue;
if( ! apply_filters( 'ninja_forms_run_action_type_' . $action[ 'settings' ][ 'type' ], TRUE ) ) continue;
$type = $action[ 'settings' ][ 'type' ];
if( ! is_string( $type ) ) continue;
/*
* test if Ninja_Forms()->actions[ $type ] is not empty
*/
if(isset(Ninja_Forms()->actions[ $type ]))
{
$action_class = Ninja_Forms()->actions[ $type ];
if( ! method_exists( $action_class, 'process' ) ) continue;
if( $data = $action_class->process($action[ 'settings' ], $this->_form_id, $this->_data ) )
{
$this->_data = apply_filters( 'ninja_forms_post_run_action_type_' . $action[ 'settings' ][ 'type' ], $data );
}
}
// $this->_data[ 'actions' ][ $type ][] = $action;
$this->maybe_halt( $action[ 'id' ] );
}
do_action( 'ninja_forms_after_submission', $this->_data );
$this->_respond();
}
/**
* Upon request, preserve a resumed action's extra data from before halt
*
* @return void
*/
private function maybePreserveExtraData(): void
{
if (
isset($this->_data['resume']) &&
isset($this->_data['resume']['preserve_extra_data'])
) {
$preservedKey = $this->_data['resume']['preserve_extra_data'];
if (isset($this->_data['extra'][$preservedKey])) {
$this->_form_data['extra'][$preservedKey] = $this->_data['extra'][$preservedKey];
}
}
}
protected function validate_field( $field_settings )
{
$field_settings = apply_filters( 'ninja_forms_pre_validate_field_settings', $field_settings );
if( ! is_string( $field_settings['type'] ) ) return;
$field_class = Ninja_Forms()->fields[ $field_settings['type'] ];
// if field_class is neither object nor string return before method_exists call
if(!is_object($field_class) && !is_string($field_class)){
return;
}
if( ! method_exists( $field_class, 'validate' ) ) return;
if( $errors = $field_class->validate( $field_settings, $this->_form_data ) ){
$field_id = $field_settings[ 'id' ];
$this->_errors[ 'fields' ][ $field_id ] = $errors;
$this->_respond();
}
}
protected function process_field( $field_settings )
{
if( ! is_string( $field_settings['type'] ) ) return;
$field_class = Ninja_Forms()->fields[ $field_settings['type'] ];
// If $field_class is not object or string, return w/o checking for method_exists
if(!is_object($field_class) && !is_string($field_class)){
return;
}
if( ! method_exists( $field_class, 'process' ) ) return;
if( $data = $field_class->process( $field_settings, $this->_form_data ) ){
$this->_form_data = $data;
}
}
protected function maybe_halt( $action_id )
{
if( isset( $this->_data[ 'errors' ] ) && $this->_data[ 'errors' ] ){
$this->_respond();
}
if( isset( $this->_data[ 'halt' ] ) && $this->_data[ 'halt' ] ){
Ninja_Forms()->session()->set( 'nf_processing_data', $this->_data );
Ninja_Forms()->session()->set( 'nf_processing_form_data', $this->_form_data );
Ninja_Forms()->session()->set( 'nf_processing_form_cache', $this->_form_cache );
$this->_respond();
}
array_push( $this->_data[ 'processed_actions' ], $action_id );
}
protected function sort_form_actions( $a, $b )
{
if( is_object( $a ) ) {
if( ! isset( Ninja_Forms()->actions[ $a->get_setting( 'type' ) ] ) ) return -1;
$a = Ninja_Forms()->actions[ $a->get_setting( 'type' ) ];
} else {
if( ! isset( Ninja_Forms()->actions[ $a[ 'settings' ][ 'type' ] ] ) ) return -1;
$a = Ninja_Forms()->actions[ $a[ 'settings' ][ 'type' ] ];
}
if( is_object( $b ) ) {
if( ! isset( Ninja_Forms()->actions[ $b->get_setting( 'type' ) ] ) ) return 1;
$b = Ninja_Forms()->actions[ $b->get_setting( 'type' ) ];
} else {
if( ! isset( Ninja_Forms()->actions[ $b[ 'settings' ][ 'type' ] ] ) ) return 1;
$b = Ninja_Forms()->actions[ $b[ 'settings' ][ 'type' ] ];
}
if ( $a->get_timing() == $b->get_timing() ) {
if ( $a->get_priority() == $b->get_priority() ) {
return 0;
}
return ( $a->get_priority() < $b->get_priority() ) ? -1 : 1;
}
return ( $a->get_timing() < $b->get_timing() ) ? -1 : 1;
}
public function shutdown()
{
$error = error_get_last();
if( $error !== NULL && in_array( $error[ 'type' ], array( E_ERROR, E_CORE_ERROR, E_COMPILE_ERROR, E_USER_ERROR ) ) ) {
$this->_errors[ 'form' ][ 'last' ] = esc_html__( 'The server encountered an error during processing.', 'ninja-forms' );
if( current_user_can( 'manage_options' ) && isset( $error[ 'message' ] ) ){
$this->_errors[ 'form' ][ 'last_admin' ] = '<pre>' . $error[ 'message' ] . '</pre>';
}
$this->_errors[ 'last' ] = $error;
Ninja_Forms()->logger()->emergency( $error[ 'message' ] );
$this->_respond();
}
}
protected function form_data_check()
{
if( $this->_form_data ) return;
if( function_exists( 'json_last_error' ) // Function not supported in php5.2
&& function_exists( 'json_last_error_msg' )// Function not supported in php5.4
&& json_last_error() ){
$this->_errors[] = json_last_error_msg();
} else {
$this->_errors[] = esc_html__( 'An unexpected error occurred.', 'ninja-forms' );
}
$this->_respond();
}
protected function is_preview()
{
if( ! isset( $this->_form_data[ 'settings' ][ 'is_preview' ] ) ) return false;
return $this->_form_data[ 'settings' ][ 'is_preview' ];
}
/*
* Overwrite method for parent class.
*/
protected function _respond( $data = array() )
{
// Restore form instance ID.
if(property_exists($this, '_form_instance_id')
&& $this->_form_instance_id){
$this->_data[ 'form_id' ] = $this->_form_instance_id;
// Maybe update IDs for field errors, if there are field errors.
if(isset($this->_errors['fields']) && $this->_errors['fields']){
$field_errors = array();
foreach($this->_errors['fields'] as $field_id => $error){
$field_errors[$field_id . '_' . $this->_instance_id] = $error;
}
$this->_errors['fields'] = $field_errors;
}
}
// Set a content type of JSON for the purpose of previnting XSS attacks.
header( 'Content-Type: application/json' );
// Call the parent method.
parent::_respond();
}
/**
* Process fields merge tags for fields inside a repeater fieldset
*
* @param object $field The Repeater Fieldset
*
*/
protected function process_repeater_fields_merge_tags( $field ){
//Compare the Repeater field passed calling the function with the array of fields values from the submission object
foreach( $this->_form_data['fields'][$field->get_id()]['value'] as $id => $data ){
//Check if field is a Repeater Field
if( Ninja_Forms()->fieldsetRepeater->isRepeaterFieldByFieldReference($id) && !empty($data['value']) && is_string($data['value']) ) {
//Merge tags in the Repeater Field Sub Fields values
$this->_form_data['fields'][$field->get_id()]['value'][$id]['value'] = apply_filters( 'ninja_forms_merge_tags', $data['value'] );
}
}
}
}