<?php if ( ! defined( 'ABSPATH' ) ) exit;

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class NF_AJAX_Controllers_Submission extends NF_Abstracts_Controller

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{

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protected $_form_data = array();

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protected $_form_cache = array();

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protected $_preview_data = array();

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protected $_form_id = '';

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public function __construct()

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{

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if( isset( $_POST[ 'nf_resume' ] ) && isset( $_COOKIE[ 'nf_wp_session' ] ) ){

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add_action( 'init', array( $this, 'resume' ) );

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return;

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}

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if( isset( $_POST['formData'] ) ) {

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$this->_form_data = json_decode( $_POST['formData'], TRUE );

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// php5.2 fallback

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if( ! $this->_form_data ) $this->_form_data = json_decode( stripslashes( $_POST['formData'] ), TRUE );

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}

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// Ajax calls here are both handled by 'submit' in this file

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add_action( 'wp_ajax_nf_ajax_submit', array( $this, 'submit' ) );

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add_action( 'wp_ajax_nopriv_nf_ajax_submit', array( $this, 'submit' ) );

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/**

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* Ajax calls here are handled by 'resume' in this file. These calls

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* are normally made by the application when returning from 'PayPal' or

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* 'Stripe'.

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*/

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add_action( 'wp_ajax_nf_ajax_resume', array( $this, 'resume' ) );

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add_action( 'wp_ajax_nopriv_nf_ajax_resume', array( $this, 'resume' ) );

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}

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public function submit()

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{

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$nonce_name = 'ninja_forms_display_nonce';

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/**

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* We've got to get the 'nonce_ts' to append to the nonce name to get

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* the unique nonce we created

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* */

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if( isset( $_REQUEST[ 'nonce_ts' ] ) && 0 < strlen( $_REQUEST[ 'nonce_ts' ] ) ) {

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$nonce_name = $nonce_name . "_" . $_REQUEST[ 'nonce_ts' ];

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}

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$check_ajax_referer = check_ajax_referer( $nonce_name, 'security', $die = false );

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if(!$check_ajax_referer){

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/**

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* "Just in Time Nonce".

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* If the nonce fails, then send back a new nonce for the form to resubmit.

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* This supports the edge-case of 11:59:59 form submissions, while avoiding the form load nonce request.

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*/

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$current_time_stamp = time();

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$new_nonce_name = 'ninja_forms_display_nonce_' . $current_time_stamp;

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$this->_errors['nonce'] = array(

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'new_nonce' => wp_create_nonce( $new_nonce_name ),

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'nonce_ts' => $current_time_stamp

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);

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$this->_respond();

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}

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register_shutdown_function( array( $this, 'shutdown' ) );

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$this->form_data_check();

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$this->_form_id = $this->_form_data['id'];

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/* Render Instance Fix */

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if(strpos($this->_form_id, '_')){

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$this->_form_instance_id = $this->_form_id;

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list($this->_form_id, $this->_instance_id) = explode('_', $this->_form_id);

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$updated_fields = array();

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foreach($this->_form_data['fields'] as $field_id => $field ){

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list($field_id) = explode('_', $field_id);

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list($field['id']) = explode('_', $field['id']);

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$updated_fields[$field_id] = $field;

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}

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$this->_form_data['fields'] = $updated_fields;

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}

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/* END Render Instance Fix */

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// If we don't have a numeric form ID...

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if ( ! is_numeric( $this->_form_id ) ) {

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// Kick the request out without processing.

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$this->_errors[] = esc_html__( 'Form does not exist.', 'ninja-forms' );

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$this->_respond();

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}

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// Check to see if our form is maintenance mode.

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$is_maintenance = WPN_Helper::form_in_maintenance( $this->_form_id );

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/*

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* If our form is in maintenance mode then, stop processing and throw an error with a link

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* back to the form.

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*/

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if ( $is_maintenance ) {

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$message = sprintf(

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esc_html__( 'This form is currently undergoing maintenance. Please %sclick here%s to reload the form and try again.', 'ninja-forms' )

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,'<a href="' . $_SERVER[ 'HTTP_REFERER' ] . '">', '</a>'

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);

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$this->_errors[ 'form' ][] = apply_filters( 'nf_maintenance_message', $message ) ;

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$this->_respond();

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}

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if( $this->is_preview() ) {

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$this->_form_cache = get_user_option( 'nf_form_preview_' . $this->_form_id );

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if( ! $this->_form_cache ){

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$this->_errors[ 'preview' ] = esc_html__( 'Preview does not exist.', 'ninja-forms' );

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$this->_respond();

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}

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} else {

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if( WPN_Helper::use_cache() ) {

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$this->_form_cache = WPN_Helper::get_nf_cache( $this->_form_id );

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}

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}

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// Add Field Keys to _form_data

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

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// Make sure we don't have any field ID mismatches.

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foreach( $this->_form_data[ 'fields' ] as $id => $settings ){

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if( $id != $settings[ 'id' ] ){

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$this->_errors[ 'fields' ][ $id ] = esc_html__( 'The submitted data is invalid.', 'ninja-forms' );

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$this->_respond();

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}

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}

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$form_fields = Ninja_Forms()->form($this->_form_id)->get_fields();

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foreach ($form_fields as $id => $field) {

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$this->_form_data['fields'][$id]['key'] = $field->get_setting('key');

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}

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}

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// TODO: Update Conditional Logic to preserve field ID => [ Settings, ID ] structure.

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$this->_form_data = apply_filters( 'ninja_forms_submit_data', $this->_form_data );

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$this->process();

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}

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public function resume()

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{

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$this->_form_data = Ninja_Forms()->session()->get( 'nf_processing_form_data' );

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$this->_form_cache = Ninja_Forms()->session()->get( 'nf_processing_form_cache' );

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$this->_data = Ninja_Forms()->session()->get( 'nf_processing_data' );

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$this->_data[ 'resume' ] = WPN_Helper::sanitize_text_field($_POST[ 'nf_resume' ]);

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$this->_form_id = $this->_data[ 'form_id' ];

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unset( $this->_data[ 'halt' ] );

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unset( $this->_data[ 'actions' ][ 'redirect' ] );

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$this->process();

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}

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protected function process()

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{

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// Init Field Merge Tags.

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$field_merge_tags = Ninja_Forms()->merge_tags[ 'fields' ];

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$field_merge_tags->set_form_id( $this->_form_id );

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// Init Calc Merge Tags.

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$calcs_merge_tags = Ninja_Forms()->merge_tags[ 'calcs' ];

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if(isset($this->_form_cache[ 'settings' ] ) ) {

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$form_settings = $this->_form_cache[ 'settings' ];

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} else {

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$form_settings = false;

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}

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if( ! $form_settings ){

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$form = Ninja_Forms()->form( $this->_form_id )->get();

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$form_settings = $form->get_settings();

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}

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// Init Form Merge Tags.

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$form_merge_tags = Ninja_Forms()->merge_tags[ 'form' ];

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$form_merge_tags->set_form_id( $this->_form_id );

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$form_merge_tags->set_form_title( $form_settings['title'] );

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$this->_data[ 'form_id' ] = $this->_form_data[ 'form_id' ] = $this->_form_id;

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$this->_data[ 'settings' ] = $form_settings;

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$this->_data[ 'settings' ][ 'is_preview' ] = $this->is_preview();

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$this->maybePreserveExtraData();

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$this->_data[ 'extra' ] = $this->_form_data[ 'extra' ];

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/*

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|--------------------------------------------------------------------------

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| Fields

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|--------------------------------------------------------------------------

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*/

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if( $this->is_preview() ){

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$form_fields = $this->_form_cache[ 'fields' ];

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} else {

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$form_fields = Ninja_Forms()->form($this->_form_id)->get_fields();

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}

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/**

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* The Field Processing Loop.

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*

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* There can only be one!

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* For performance reasons, this should be the only time that the fields array is traversed.

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* Anything needing to loop through fields should integrate here.

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*/

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$validate_fields = apply_filters( 'ninja_forms_validate_fields', true, $this->_data );

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

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if( is_object( $field ) ) {

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//Process Merge tags on Repeater fields values

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if( $field->get_setting('type' )=== "repeater" ){

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$this->process_repeater_fields_merge_tags( $field );

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}

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$field = array(

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'id' => $field->get_id(),

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'settings' => $field->get_settings()

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);

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}

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/** Get the field ID */

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/*

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* TODO: Refactor data structures to match.

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* Preview: Field IDs are stored as the associated array key.

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* Publish: Field IDs are stored as an array key=>value pair.

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*/

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if( $this->is_preview() ){

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$field[ 'id' ] = $key;

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}

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// Duplicate field ID as single variable for more readable array access.

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$field_id = $field[ 'id' ];

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// Check that the field ID exists in the submitted for data and has a submitted value.

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if( isset( $this->_form_data[ 'fields' ][ $field_id ] ) && isset( $this->_form_data[ 'fields' ][ $field_id ][ 'value' ] ) ){

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$field[ 'value' ] = $this->_form_data[ 'fields' ][ $field_id ][ 'value' ];

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} else {

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$field[ 'value' ] = '';

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}

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// Duplicate field value to settings and top level array item for backwards compatible access (ie Save Action).

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$field[ 'settings' ][ 'value' ] = $field[ 'value' ];

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// Duplicate field value to form cache for passing to the action filter.

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$this->_form_cache[ 'fields' ][ $key ][ 'settings' ][ 'value' ] = $this->_form_data[ 'fields' ][ $field_id ][ 'value' ];

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// Duplicate the Field ID for access as a setting.

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$field[ 'settings' ][ 'id' ] = $field[ 'id' ];

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// Combine with submitted data.

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$field = array_merge( $field, $this->_form_data[ 'fields' ][ $field_id ] );

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// Flatten the field array.

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$field = array_merge( $field, $field[ 'settings' ] );

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/** Prepare Fields in repeater for Validation and Process */

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if( $field["type"] === "repeater" ){

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foreach( $field["value"] as $index => $child_field_value ){

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foreach( $field['fields'] as $i => $child_field ) {

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if(strpos($index, $child_field['id']) !== false){

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$field['value'][$index] = array_merge($child_field, $child_field_value);

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}

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}

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}

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}

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/** Validate the Field */

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if( $validate_fields && ! isset( $this->_data[ 'resume' ] ) ){

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if( $field["type"] === "repeater" ){

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foreach( $field["value"] as $index => $child_field ){

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$this->validate_field( $field["value"][$index] );

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}

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} else {

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$this->validate_field( $field );

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}

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}

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[286] Fix | Delete

/** Process the Field */

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if( ! isset( $this->_data[ 'resume' ] ) ) {

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if( $field["type"] === "repeater" ){

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foreach( $field["value"] as $index => $child_field ){

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$this->process_field( $field["value"][$index] );

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}

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} else {

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$this->process_field($field);

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}

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}

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$field = array_merge( $field, $this->_form_data[ 'fields' ][ $field_id ] );

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// Check for field errors after processing.

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if ( isset( $this->_form_data['errors']['fields'][ $field_id ] ) ) {

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$this->_errors['fields'][ $field_id ] = $this->_form_data['errors']['fields'][ $field_id ];

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$this->_respond();

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}

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[304] Fix | Delete

/** Populate Field Merge Tag */

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$field_merge_tags->add_field( $field );

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[307] Fix | Delete

$this->_data[ 'fields' ][ $field_id ] = $field;

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$this->_data[ 'fields_by_key' ][ $field[ 'key' ] ] = $field;

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}

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/*

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|--------------------------------------------------------------------------

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| Check for unique field settings.

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|--------------------------------------------------------------------------

[315] Fix | Delete

*/

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if ( isset( $this->_data[ 'resume' ] ) && $this->_data[ 'resume' ] ){

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// On Resume Submission, we don't need to run this check again.

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// This section intentionally left blank.

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} elseif ( isset ( $this->_data[ 'settings' ][ 'unique_field' ] ) && ! empty( $this->_data[ 'settings' ][ 'unique_field' ] ) ) {

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/*

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* Get our unique field

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*/

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$unique_field_key = $this->_data[ 'settings' ][ 'unique_field' ];

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$unique_field_error = $this->_data[ 'settings' ][ 'unique_field_error' ];

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$unique_field_id = $this->_data[ 'fields_by_key' ][ $unique_field_key ][ 'id' ];

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$unique_field_value = $this->_data[ 'fields_by_key' ][ $unique_field_key ][ 'value' ];

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if ( is_array( $unique_field_value ) ) {

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$unique_field_value = serialize( $unique_field_value );

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}

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if ( ! empty($unique_field_value) ) {

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/*

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* Check our db for the value submitted.

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*/

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global $wpdb;

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// @TODO: Rewrite this to use our submissions API.

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$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 );

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$result = $wpdb->get_results( $sql, 'ARRAY_N' );

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if ( intval( $result[ 0 ][ 0 ] ) > 0 ) {

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$this->_errors['fields'][ $unique_field_id ] = array( 'slug' => 'unique_field', 'message' => $unique_field_error );

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$this->_respond();

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}

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}

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}

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/*

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|--------------------------------------------------------------------------

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| Verify the submission limit.

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|--------------------------------------------------------------------------

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*/

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if ( isset( $this->_data[ 'settings' ][ 'sub_limit_number' ] ) && ! empty( $this->_data[ 'settings' ][ 'sub_limit_number' ] ) ) {

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global $wpdb;

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$result = $wpdb->get_row( "SELECT COUNT(DISTINCT(p.ID)) AS count FROM `$wpdb->posts` AS p

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LEFT JOIN `$wpdb->postmeta` AS m

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ON p.ID = m.post_id

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WHERE m.meta_key = '_form_id'

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AND m.meta_value = $this->_form_id

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AND p.post_status = 'publish'");

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if ( intval( $result->count ) >= intval( $this->_data[ 'settings' ][ 'sub_limit_number' ] ) ) {

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$this->_errors[ 'form' ][] = $this->_data[ 'settings' ][ 'sub_limit_msg' ];

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$this->_respond();

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}

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}

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/*

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|--------------------------------------------------------------------------

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| Calculations

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|--------------------------------------------------------------------------

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*/

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if( isset( $this->_form_cache[ 'settings' ][ 'calculations' ] ) ) {

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/**

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* The Calculation Processing Loop

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*/

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foreach( $this->_form_cache[ 'settings' ][ 'calculations' ] as $calc ){

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$eq = apply_filters( 'ninja_forms_calc_setting', $calc[ 'eq' ] );

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// Scrub unmerged tags (ie deleted/non-existent fields/calcs, etc).

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$eq = preg_replace( '/{([a-zA-Z0-9]|:|_|-)*}/', 0, $eq);

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[383] Fix | Delete

/**

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* PHP doesn't evaluate empty strings to numbers. So check

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* for any string for the decimal place

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**/

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$dec = ( isset( $calc[ 'dec' ] ) && '' != $calc[ 'dec' ] ) ?

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$calc[ 'dec' ] : 2;

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$calcs_merge_tags->set_merge_tags( $calc[ 'name' ], $eq, $dec, $this->_form_data['settings']['decimal_point'], $this->_form_data['settings']['thousands_sep'] );

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$this->_data[ 'extra' ][ 'calculations' ][ $calc[ 'name' ] ] = array(

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'raw' => $calc[ 'eq' ],

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'parsed' => $eq,

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'value' => $calcs_merge_tags->get_formatted_calc_value( $calc[ 'name' ], $dec, $this->_form_data['settings']['decimal_point'], $this->_form_data['settings']['thousands_sep'] ),

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);

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}

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}

[398] Fix | Delete

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[400] Fix | Delete

/*

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|--------------------------------------------------------------------------

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| Actions

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|--------------------------------------------------------------------------

[404] Fix | Delete

*/

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/*

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* TODO: This section has become convoluted, but will be refactored along with the submission controller.

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*/

[409] Fix | Delete

[410] Fix | Delete

if( isset( $this->_data[ 'resume' ] ) && $this->_data[ 'resume' ] ){

[411] Fix | Delete

// On Resume Submission, the action data is loaded form the session.

[412] Fix | Delete

// This section intentionally left blank.

[413] Fix | Delete

} elseif( ! $this->is_preview() ) {

[414] Fix | Delete

// Published forms rely on the Database for the "truth" about Actions.

[415] Fix | Delete

$actions = Ninja_Forms()->form($this->_form_id)->get_actions();

[416] Fix | Delete

$this->_form_cache[ 'actions' ] = array();

[417] Fix | Delete

foreach( $actions as $action ){

[418] Fix | Delete

$action_id = $action->get_id();

[419] Fix | Delete

$this->_form_cache[ 'actions' ][ $action_id ] = array(

[420] Fix | Delete

'id' => $action_id,

[421] Fix | Delete

'settings' => $action->get_settings()

[422] Fix | Delete

);

[423] Fix | Delete

}

[424] Fix | Delete

} else {

[425] Fix | Delete

// Previews uses user option for stored data.

[426] Fix | Delete

$preview_data = get_user_option( 'nf_form_preview_' . $this->_form_id );

[427] Fix | Delete

$this->_form_cache[ 'actions' ] = $preview_data[ 'actions' ];

[428] Fix | Delete

}

[429] Fix | Delete

/* END form cache bypass. */

[430] Fix | Delete

[431] Fix | Delete

// Sort Actions by Timing Order, then by Priority Order.

[432] Fix | Delete

usort( $this->_form_cache[ 'actions' ], array( $this, 'sort_form_actions' ) );

[433] Fix | Delete

[434] Fix | Delete

/*

[435] Fix | Delete

* Filter Actions so that they can be pragmatically disabled by add-ons.

[436] Fix | Delete

*

[437] Fix | Delete

* ninja_forms_submission_actions

[438] Fix | Delete

* ninja_forms_submission_actions_preview

[439] Fix | Delete

*/

[440] Fix | Delete

$this->_form_cache[ 'actions' ] = apply_filters( 'ninja_forms_submission_actions', $this->_form_cache[ 'actions' ], $this->_form_cache, $this->_form_data );

[441] Fix | Delete

if( $this->is_preview() ) {

[442] Fix | Delete

$this->_form_cache['actions'] = apply_filters('ninja_forms_submission_actions_preview', $this->_form_cache['actions'], $this->_form_cache);

[443] Fix | Delete

}

[444] Fix | Delete

[445] Fix | Delete

// Initialize the process actions log.

[446] Fix | Delete

if( ! isset( $this->_data[ 'processed_actions' ] ) ) $this->_data[ 'processed_actions' ] = array();

[447] Fix | Delete

[448] Fix | Delete

/*

[449] Fix | Delete

* 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.

[450] Fix | Delete

*/

[451] Fix | Delete

$this->_data[ 'extra' ] = array_merge( $this->_data[ 'extra' ], $this->_form_data[ 'extra' ] );

[452] Fix | Delete

[453] Fix | Delete

/**

[454] Fix | Delete

* The Action Processing Loop

[455] Fix | Delete

*/

[456] Fix | Delete

foreach( $this->_form_cache[ 'actions' ] as $key => $action ){

[457] Fix | Delete

[458] Fix | Delete

/** Get the action ID */

[459] Fix | Delete

/*

[460] Fix | Delete

* TODO: Refactor data structures to match.

[461] Fix | Delete

* Preview: Action IDs are stored as the associated array key.

[462] Fix | Delete

* Publish: Action IDs are stored as an array key=>value pair.

[463] Fix | Delete

*/

[464] Fix | Delete

if( $this->is_preview() ){

[465] Fix | Delete

$action[ 'id' ] = $key;

[466] Fix | Delete

}

[467] Fix | Delete

[468] Fix | Delete

// Duplicate the Action ID for access as a setting.

[469] Fix | Delete

$action[ 'settings' ][ 'id' ] = $action[ 'id' ];

[470] Fix | Delete

[471] Fix | Delete

// Duplicate action ID as single variable for more readable array access.

[472] Fix | Delete

$action_id = $action[ 'id' ];

[473] Fix | Delete

[474] Fix | Delete

// If an action has already run (ie resume submission), do not re-process.

[475] Fix | Delete

if( in_array( $action[ 'id' ], $this->_data[ 'processed_actions' ] ) ) continue;

[476] Fix | Delete

[477] Fix | Delete

$action[ 'settings' ] = apply_filters( 'ninja_forms_run_action_settings', $action[ 'settings' ], $this->_form_id, $action[ 'id' ], $this->_form_data['settings'] );

[478] Fix | Delete

if( $this->is_preview() ){

[479] Fix | Delete

$action[ 'settings' ] = apply_filters( 'ninja_forms_run_action_settings_preview', $action[ 'settings' ], $this->_form_id, $action[ 'id' ], $this->_form_data['settings'] );

[480] Fix | Delete

}

[481] Fix | Delete

[482] Fix | Delete

if( ! $action[ 'settings' ][ 'active' ] ) continue;

[483] Fix | Delete

[484] Fix | Delete

if( ! apply_filters( 'ninja_forms_run_action_type_' . $action[ 'settings' ][ 'type' ], TRUE ) ) continue;

[485] Fix | Delete

[486] Fix | Delete

$type = $action[ 'settings' ][ 'type' ];

[487] Fix | Delete

[488] Fix | Delete

if( ! is_string( $type ) ) continue;

[489] Fix | Delete

[490] Fix | Delete

/*

[491] Fix | Delete

* test if Ninja_Forms()->actions[ $type ] is not empty

[492] Fix | Delete

*/

[493] Fix | Delete

if(isset(Ninja_Forms()->actions[ $type ]))

[494] Fix | Delete

{

[495] Fix | Delete

$action_class = Ninja_Forms()->actions[ $type ];

[496] Fix | Delete

[497] Fix | Delete

if( ! method_exists( $action_class, 'process' ) ) continue;

[498] Fix | Delete

[499] Fix | Delete