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📝 Editing: front-action.php

<?php
/**
 * The Forminator_CForm_Front_Action class.
 *
 * @package Forminator
 */

if ( ! defined( 'ABSPATH' ) ) {
	die();
}

/**
 * Front ajax for custom forms
 *
 * @since 1.0
 */
class Forminator_CForm_Front_Action extends Forminator_Front_Action {

/**
	 * Module slug
	 *
	 * @var string
	 */
	protected static $module_slug = 'form';

/**
	 * Submit errors
	 *
	 * @var array
	 */
	public static $submit_errors = array();

/**
	 * Hidden fields
	 *
	 * @var array
	 */
	public static $hidden_fields = array();

/**
	 * Not calculable fields
	 *
	 * @var array
	 */
	public static $not_calculable = array();

/**
	 * Fields that shoud be replaced to zero if it's hidden
	 *
	 * @var array
	 */
	public static $replace_to_zero = array();

/**
	 * Entry type
	 *
	 * @var string
	 */
	public static $entry_type = 'custom-forms';

/**
	 * Registration object
	 *
	 * @var string
	 */
	public static $registration = null;

/**
	 * Plugin instance
	 *
	 * @var null
	 */
	private static $instance = null;

/**
	 * Flag if form has upload field
	 *
	 * @var false
	 */
	private static $has_upload = false;

/**
	 * Flag if form has payment fields
	 *
	 * @var false
	 */
	private static $has_payment = false;

/**
	 * Forminator_CForm_Front_Action constructor
	 */
	public function __construct() {
		parent::__construct();

// Save entries.
		if ( ! empty( self::$entry_type ) ) {
			add_action( 'wp_ajax_forminator_pp_create_order', array( $this, 'create_paypal_order' ) );
			add_action( 'wp_ajax_nopriv_forminator_pp_create_order', array( $this, 'create_paypal_order' ) );

add_action( 'wp_ajax_forminator_multiple_file_upload', array( $this, 'multiple_file_upload' ) );
			add_action( 'wp_ajax_nopriv_forminator_multiple_file_upload', array( $this, 'multiple_file_upload' ) );
		}

add_action( 'wp_ajax_forminator_email_draft_link', array( $this, 'submit_email_draft_link' ) );
		add_action( 'wp_ajax_nopriv_forminator_email_draft_link', array( $this, 'submit_email_draft_link' ) );
	}

/**
	 * Return the plugin instance
	 *
	 * @since 1.0
	 * @return Forminator_Front_Action
	 */
	public static function get_instance() {
		if ( is_null( self::$instance ) ) {
			self::$instance = new self();
		}

return self::$instance;
	}

/**
	 * Prepare price to pass to PayPal
	 *
	 * @param array $amount Amount array.
	 * @return array
	 */
	private static function prepare_pp_price( $amount ) {
		$integer_currencies = array(
			'HUF',
			'JPY',
			'TWD',
		);
		if ( isset( $amount['currency_code'] ) && in_array( $amount['currency_code'], $integer_currencies, true ) ) {
			$amount['value'] = number_format( (float) $amount['value'] );
		} else {
			$amount['value'] = number_format( (float) $amount['value'], 2, '.', '' );
		}

return $amount;
	}

/**
	 * Create PayPal order
	 *
	 * @since 1.14.3
	 */
	public function create_paypal_order() {
		$body = trim( file_get_contents( 'php://input' ) );
		$data = json_decode( $body, true );

$form_id = $data['form_id'] ?? '';
		if ( ! isset( $data['nonce'] ) || ! wp_verify_nonce( $data['nonce'], 'forminator_submit_form' . $form_id ) ) {
			wp_send_json_error( new WP_Error( 'invalid_code' ) );
		}

// Check if form data is set.
		if ( isset( $data['form_data'] ) && isset( $data['form_data']['purchase_units'] ) ) {

// Check if payment amount is bigger than zero.
			if ( floatval( $data['form_data']['purchase_units'][0]['amount']['value'] ) <= 0 ) {
				wp_send_json_error( esc_html__( 'The payment total must be greater than 0.', 'forminator' ) );
			}

$data['form_data']['purchase_units'][0]['amount'] = self::prepare_pp_price( $data['form_data']['purchase_units'][0]['amount'] );

$data = $this->get_temporary_country_code( $data );
			$data = $this->get_state_code( $data );

$paypal = new Forminator_PayPal_Express();

$request = array_merge( array( 'intent' => 'CAPTURE' ), $data['form_data'] );
			$request = apply_filters( 'forminator_paypal_create_order_request', $request, $data );

if ( empty( $request['payer'] ) ) {
				unset( $request['payer'] );
			}

$order = $paypal->create_order( $request, $data['mode'] );

if ( is_wp_error( $order ) ) {
				wp_send_json_error( esc_html__( 'Cannot create a new order on PayPal. If the error persists, please contact us for further assistance.', 'forminator' ) );
			}

$response = array(
				'order_id' => $order->id,
			);

wp_send_json_success( $response );
		}
	}

/**
	 * Update payment amount
	 *
	 * @since 1.7.3
	 */
	public function update_payment_amount() {
		$this->init_properties();

self::check_fields_visibility();

$first_intent = ! empty( self::$prepared_data['stripe_first_payment_intent'] );
		$is_intent    = ! empty( self::$prepared_data['stripe-intent'] );

if ( ! $first_intent && empty( self::$info['stripe_field'] ) ) {
			wp_send_json_error(
				array(
					'message' => esc_html__( 'Error: Stripe field doesn\'t exist in your form!', 'forminator' ),
					'errors'  => array(),
				)
			);
		}
		$forminator_stripe_field = Forminator_Core::get_field_object( 'stripe' );

if ( $forminator_stripe_field instanceof Forminator_Stripe ) {
			if ( ! $first_intent && $is_intent && isset( self::$prepared_data['paymentPlan'] ) &&
				( empty( $forminator_stripe_field->payment_plan )
					|| self::$prepared_data['paymentPlan'] === $forminator_stripe_field->payment_plan_hash )
			) {
				// No need to update paymentIntent if the plan is not set or it's the same plan.
				// Do not reset the payment plan if it's already set.
				$new_plan_hash = empty( $forminator_stripe_field->payment_plan_hash ) && ! empty( self::$prepared_data['paymentPlan'] )
					? self::$prepared_data['paymentPlan'] : $forminator_stripe_field->payment_plan_hash;
				wp_send_json_success(
					array(
						'paymentPlan' => $new_plan_hash,
					)
				);
			}
			$forminator_stripe_field->update_paymentIntent(
				self::$prepared_data,
				self::$info['stripe_field']
			);
		}

wp_send_json_success();
	}

/**
	 * Add a temporary country code based on currency to prevent errors.
	 * Set country code to Austria if currency is Euro,
	 * else remove the last letter from currency code to get temporary country code.
	 *
	 * This only prevents error from Paypal in case the country is not enabled/required in the Address field.
	 * Users will be able to choose the country again in Paypal window or credit card form.
	 *
	 * @param array $data Data for paypal order.
	 *
	 * @return array
	 */
	private function get_temporary_country_code( $data ) {
		if ( isset( $data['form_data']['payer']['address'] ) ) {
			if (
				empty( $data['form_data']['payer']['address'] ) ||
				(
					isset( $data['form_data']['payer']['address']['country_code'] ) &&
					empty( $data['form_data']['payer']['address']['country_code'] )
				)
			) {
				$currency = $data['form_data']['purchase_units'][0]['amount']['currency_code'];
				if ( 'EUR' === $currency ) {
					$country_code = 'AT';
				} else {
					$country_code = substr( $currency, 0, -1 );
				}

$data['form_data']['payer']['address']['country_code'] = $country_code;
			}
		}

return $data;
	}

/**
	 * Get state code
	 *
	 * @param array $data Data for paypal order.
	 *
	 * @return array
	 */
	private function get_state_code( $data ) {
		if ( ! empty( $data['form_data']['payer']['address']['admin_area_1'] ) ) {
			$data['form_data']['payer']['address']['admin_area_1'] = forminator_get_state_code( $data['form_data']['payer']['address']['admin_area_1'] );
		}
		return $data;
	}

/**
	 * Get default currency
	 *
	 * @return string
	 */
	private function get_default_currency() {
		try {
			$stripe = new Forminator_Gateway_Stripe();

return $stripe->get_default_currency();

} catch ( Forminator_Gateway_Exception $e ) {
			return 'USD';
		}
	}

/**
	 * Check reCaptcha
	 *
	 * @return string|null
	 * @throws Exception When there is an error.
	 */
	private static function check_captcha() {
		// Ignore captcha re-check if we have Stripe/PayPal field.
		if (
			self::$is_draft ||
			! empty( self::$info['stripe_field'] ) ||
			self::is_in_hidden_fields( 'stripe-' ) ||
			! empty( self::$info['paypal_field'] )
		) {
			return;
		}

$form_id           = self::$module_id;
		$field_captcha_obj = Forminator_Core::get_field_object( 'captcha' );
		if ( self::$info['captcha_settings'] && $field_captcha_obj ) {
			$field_id              = Forminator_Field::get_property( 'element_id', self::$info['captcha_settings'] );
			$captcha_user_response = '';

if ( isset( self::$prepared_data['g-recaptcha-response'] ) ) {
				// Ignore CAPTCHA re-check (only for the v2 checkbox option) during two-factor authentication.
				if ( isset( self::$module_settings['form-type'] ) && 'login' === self::$module_settings['form-type'] ) {
					if ( ! empty( self::$prepared_data['auth_method'] ) && 'v2_checkbox' === self::$info['captcha_settings']['captcha_type'] ) {
						return;
					}
				}
				$captcha_user_response = self::$prepared_data['g-recaptcha-response'];
			} elseif ( isset( self::$prepared_data['h-captcha-response'] ) ) {
				$captcha_user_response = self::$prepared_data['h-captcha-response'];
			} elseif ( isset( self::$prepared_data['forminator-turnstile-response'] ) ) {
				$captcha_user_response = self::$prepared_data['forminator-turnstile-response'];
			}

/**
			 * Filter captcha user response, default is from `g-recaptcha-response`
			 *
			 * @since 1.5.3
			 *
			 * @param string $captcha_user_response
			 * @param int $form_id
			 * @param array $submitted_data
			 *
			 * @return string captcha user response
			 */
			$captcha_user_response = apply_filters( 'forminator_captcha_user_response', $captcha_user_response, $form_id, self::$prepared_data );

$field_captcha_obj->validate_entry( self::$info['captcha_settings'], $captcha_user_response );
			$valid_response = $field_captcha_obj->is_valid_entry();
			if ( is_array( $valid_response ) && ! empty( $valid_response[ $field_id ] ) ) {
				// if captcha invalid.
				throw new Exception( esc_html( $valid_response[ $field_id ] ) );
			}
		}
	}

/**
	 * Check if field is in $hidden_fields array
	 *
	 * @param string $field Field slug excluding the iterator.
	 *
	 * @return bool
	 */
	private static function is_in_hidden_fields( $field ) {
		foreach ( self::$hidden_fields as $val ) {
			if ( false !== strpos( $val, $field ) ) {
				return true;
			}
		}

return false;
	}

/**
	 * Handle login if it's login form
	 *
	 * @param object $entry Entry.
	 * @return boolean
	 * @throws Exception When there is an error.
	 */
	private static function maybe_login( $entry ) {
		if ( ! isset( self::$module_settings['form-type'] ) || 'login' !== self::$module_settings['form-type'] ) {
			return;
		}
		// Check who can login.
		if ( is_user_logged_in() ) {
			return;
		}

$forminator_user_login = new Forminator_CForm_Front_User_Login();
		$login_user            = $forminator_user_login->process_login( self::$module_object, $entry, self::$info['field_data_array'] );
		if ( is_wp_error( $login_user['user'] ) ) {
			$message = $login_user['user']->get_error_message();

throw new Exception( wp_kses( $message, 'strong' ) );
		}

if ( ! empty( $login_user['authentication'] ) && 'invalid' === $login_user['authentication'] ) {
			self::$response_attrs['authentication'] = 'invalid';
			throw new Exception( esc_html__( 'Whoops, the passcode you entered was incorrect or expired.', 'forminator' ) );
		}

if ( isset( $login_user['user']->ID ) ) {
			self::$response_attrs['user_id'] = $login_user['user']->ID;
		}
		if ( isset( $login_user['authentication'] ) ) {
			self::$response_attrs['authentication'] = $login_user['authentication'];
		}
		if ( isset( $login_user['auth_token'] ) ) {
			self::$response_attrs['auth_token'] = $login_user['auth_token'];
		}
		if ( isset( $login_user['auth_method'] ) ) {
			self::$response_attrs['auth_method'] = $login_user['auth_method'];
		}
		if ( isset( $login_user['auth_nav'] ) ) {
			self::$response_attrs['auth_nav'] = $login_user['auth_nav'];
		}
		if ( isset( $login_user['lost_url'] ) ) {
			self::$response_attrs['lost_url'] = $login_user['lost_url'];
		}

self::remove_password();
		return true;
	}

/**
	 * Handle registration form validation separately
	 *
	 * @since 1.17.2
	 *
	 * @return \WP_Error|boolean
	 * @throws Exception When there is an error.
	 */
	private static function validate_registration() {
		if ( self::$is_draft || self::$is_spam ) {
			return;
		}

if ( isset( self::$module_settings['form-type'] ) && 'registration' === self::$module_settings['form-type'] ) {
			// Check who can register new users.
			if ( ! is_user_logged_in() ) {
				$can_creat_user = true;
			} elseif ( isset( self::$module_settings['hide-registration-form'] )
					&& '' === self::$module_settings['hide-registration-form']
			) {
				$can_creat_user = true;
			} else {
				$can_creat_user = false;
			}

if ( ! $can_creat_user ) {
				return;
			}

self::$registration = new Forminator_CForm_Front_User_Registration();
			$registration_error = self::$registration->process_validation( self::$module_object, self::$info['field_data_array'] );
			if ( true !== $registration_error ) {
				throw new Exception( esc_html( $registration_error ) );
			}

$custom_error = apply_filters( 'forminator_custom_registration_form_errors', $registration_error, self::$module_id, self::$info['field_data_array'] );
			if ( true !== $custom_error ) {
				throw new Exception( esc_html( $custom_error ) );
			}

return true;
		}
	}

/**
	 * Handle registration if it's registration form.
	 *
	 * @param object $entry Entry.
	 *
	 * @return \WP_Error|boolean
	 * @throws Exception When there is an error.
	 */
	private static function maybe_registration( $entry ) {
		if ( self::$is_draft || self::$is_spam ) {
			return;
		}

if ( ! $can_creat_user ) {
				return;
			}

$new_user_data = self::$registration->process_registration( self::$module_object, $entry );

if ( ! is_array( $new_user_data ) ) {
				throw new Exception( esc_html( $new_user_data ) );
			}

// Do not send emails later.
			self::$module_object->notifications = array();

return true;
		}
	}

/**
	 * Prepare fields info
	 */
	private static function prepare_fields_info() {
		self::check_fields_visibility();
		self::$is_leads    = isset( self::$module_settings['form-type'] ) && 'leads' === self::$module_settings['form-type'];
		self::$has_payment = empty( self::$info['stripe_field'] ) && empty( self::$info['paypal_field'] ) ? false : true;

$fields = self::get_fields();
		foreach ( $fields as $field_index => $field ) {
			self::set_field_data_array( $field_index, $field );
		}

// Validate User Registration first before any payments.
		$registration = self::validate_registration();
		if ( is_wp_error( $registration ) ) {
			return self::return_error( $registration->get_error_message() );
		}

self::check_errors();
		self::filter_field_data_array();
	}

/**
	 * Set field data array
	 *
	 * @param int    $field_index Int key.
	 * @param object $field Forminator_Form_Field_Model.
	 * @return null
	 */
	private static function set_field_data_array( $field_index, $field ) {
		$field_array = $field->to_formatted_array();
		$field_type  = $field_array['type'];
		$element_id  = Forminator_Field::get_property( 'element_id', $field_array );

if ( self::$is_draft ) {
			if ( in_array( $field_type, array( 'hidden', 'stripe', 'stripe-ocs', 'paypal', 'signature' ), true ) ) {
				return;
			}

if ( 'group' === $field_type ) {
				self::$info['field_data_array'][] = array(
					'name'  => $element_id . '-copies',
					'value' => ! empty( self::$prepared_data[ $element_id . '-copies' ] )
						? count( self::$prepared_data[ $element_id . '-copies' ] ) + 1 : 1,
				);
			}
		}

// if certain field types - go to next field.
		if ( in_array( $field_type, array( 'stripe', 'stripe-ocs', 'paypal', 'calculation', 'group' ), true ) ) {
			return;
		}

$cloned_suffixes = ! empty( $field->parent_group ) && ! empty( self::$prepared_data[ $field->parent_group . '-copies' ] )
				? self::$prepared_data[ $field->parent_group . '-copies' ] : array();

$all_suffixes = array_map(
			function ( $str ) {
				return '-' . $str;
			},
			$cloned_suffixes
		);
		array_unshift( $all_suffixes, '' );

foreach ( $all_suffixes as $original_suffix => $suffix ) {
			$field_id = $element_id . $suffix;

// skip if conditionally hidden.
			if ( ! $field_id || in_array( $field_id, self::$hidden_fields, true ) ) {
				continue;
			}

$clonned_field               = $field_array;
			$clonned_field['element_id'] = $field_id;
			if ( $original_suffix ) {
				$clonned_field['original_id'] = $element_id . '-' . $original_suffix;
			}

self::set_field_data( $field_id, $clonned_field, $field_index );
		}
	}

/**
	 * Set field data
	 *
	 * @param string $field_id Field slug.
	 * @param array  $field_array Field settings.
	 * @param int    $field_index Field index.
	 * @return null
	 */
	private static function set_field_data( $field_id, $field_array, $field_index ) {
		$field_type     = $field_array['type'];
		$form_field_obj = Forminator_Core::get_field_object( $field_type );
		// Skip if field object is not found.
		if ( empty( $form_field_obj ) ) {
			return;
		}
		if ( isset( self::$prepared_data[ $field_id ] ) ) {
			$field_data = self::$prepared_data[ $field_id ];
		} else {
			$field_data = array();
		}

/**
		 * Filter handle specific field types
		 *
		 * @since 1.13
		 *
		 * @param array  $field_data Field data
		 * @param object $form_field_obj Form field object
		 * @param array  $field_array field settings
		 *
		 * @return array $field_data Set `return` element of the array as true for returning
		 */
		$field_data = apply_filters( 'forminator_handle_specific_field_types', $field_data, $form_field_obj, $field_array );

if ( ! empty( $field_data['return'] ) ) {
			unset( $field_data['return'] );

self::$info['field_data_array'][] = $field_data;
			return;
		}

/**
		 * Sanitize data
		 *
		 * @since 1.0.2
		 *
		 * @param array $field
		 * @param array|string $data - the data to be sanitized.
		 */
		$field_data = $form_field_obj->sanitize( $field_array, $field_data );

if ( ! self::$is_draft ) {
			$field_data = $form_field_obj->validate_entry( $field_array, $field_data );
		}
		$form_field_obj->is_valid_entry();

if ( ! self::is_empty_field( $field_array, $field_data ) ) {
			self::$info['field_data_array'][] = array(
				'name'           => $field_id,
				'value'          => $field_data,
				'field_type'     => $field_type,
				'key'            => $field_index,
				'field_array'    => $field_array,
				'form_field_obj' => $form_field_obj,
			);
		}
	}

/**
	 * Check field has empty value.
	 *
	 * @param array $field Field.
	 * @param mixed $field_data Field value.
	 *
	 * @return bool
	 */
	private static function is_empty_field( $field, $field_data ) {
		$is_empty = true;
		if ( ! empty( $field['type'] ) && 'postdata' === $field['type'] ) {
			// Check if any post data field has a value.
			if ( ! empty( $field_data ) && is_array( $field_data ) ) {
				foreach ( $field_data as $value ) {
					if ( '' !== $value ) {
						return false;
					}
				}
			}
		} elseif ( ! empty( $field_data ) || '0' === $field_data ) {
			$is_empty = false;
		}
		return $is_empty;
	}

/**
	 * Stop submission process if it has errors
	 *
	 * @throws Exception When there is an error.
	 */
	private static function check_errors() {
		/**
		 * Filter submission errors
		 *
		 * @since 1.0.2
		 *
		 * @param array $submit_errors - the submission errors.
		 * @param int $form_id - the form id.
		 *
		 * @return array $submit_errors
		 */
		self::$submit_errors = apply_filters( 'forminator_custom_form_submit_errors', self::$submit_errors, self::$module_id, self::$info['field_data_array'] );
		if ( ! empty( self::$submit_errors ) ) {
			throw new Exception( esc_html( self::get_invalid_form_message() ) );
		}
	}

/**
	 * Filter field_data_array property
	 *
	 * @throws Exception When there is an error.
	 */
	private static function filter_field_data_array() {
		if ( empty( self::$info['field_data_array'] ) ) {
			if ( self::$is_draft ) {
				throw new Exception( esc_html__( 'The form is empty and cannot be saved as a draft. Please fill out at least one form field and try again.', 'forminator' ) );
			}

throw new Exception( esc_html__( 'At least one field must be filled out to submit the form.', 'forminator' ) );
		}

if ( isset( self::$prepared_data['product-shipping'] ) && intval( self::$prepared_data['product-shipping'] > 0 ) ) {
			self::$info['field_data_array'][] = array(
				'name'  => 'product_shipping',
				'value' => self::$prepared_data['product-shipping'],
			);
		}
		self::$info['field_data_array'][] = array(
			'name'  => '_forminator_user_ip',
			'value' => Forminator_Geo::get_user_ip(),
		);
		if ( ! self::$is_draft
				&& ! empty( self::$module_settings['logged-users'] )
				&& ! empty( self::$module_settings['limit-per-user'] ) ) {
			self::$info['field_data_array'][] = array(
				'name'  => '_user_id',
				'value' => get_current_user_id(),
			);
		}

// Add draft_page if present (based on form's pagination index).
		if ( isset( self::$prepared_data['draft_page'] ) ) {
			self::$info['field_data_array'][] = array(
				'name'  => 'draft_page',
				'value' => self::$prepared_data['draft_page'],
			);
		}

/**
		 * Filter saved data before persisted into the database
		 *
		 * @since 1.0.2
		 *
		 * @param array $field_data_array - the entry data.
		 * @param int $form_id - the form id.
		 *
		 * @return array $field_data_array
		 */
		self::$info['field_data_array'] = apply_filters( 'forminator_custom_form_submit_field_data', self::$info['field_data_array'], self::$module_id );
	}

/**
	 * Subscriptions payment intent
	 *
	 * @since 1.38
	 *
	 * @return null|object
	 */
	public static function subscription_payment_intent() {
		if ( class_exists( 'Forminator_Stripe_Subscription' ) ) {
			return;
		}
		try {
			self::prepare_fields_info();
			$stripe_addon = Forminator_Stripe_Subscription::get_instance();
			$field_object = Forminator_Core::get_field_object( 'stripe' );

if ( ! $field_object ) {
				return;
			}

$field = self::$info['stripe_field'];

$payment_plan = $field_object->get_payment_plan( $field );
			$amount_type  = $payment_plan['subscription_amount_type'] ?? 'fixed';
			$amount       = $payment_plan['subscription_amount'] ?? 0.0;

if ( 'fixed' === $amount_type && empty( $amount ) ) {
				return; // Payment amount should be larger than 0.
			}

return $stripe_addon->create_payment_intent( $field_object, self::$module_object, self::$prepared_data, $field, $payment_plan );
		} catch ( Exception $e ) {
			return;
		}
	}

/**
	 * Handle stripe single payment
	 *
	 * @since 1.15
	 *
	 * @param object $field_object Field object.
	 * @param array  $field Field data.
	 * @param object $entry Entry.
	 * @param array  $payment_plan Entry.
	 *
	 * @return array|WP_ERROR
	 * @throws Exception When there is an error.
	 */
	private static function handle_stripe_subscription( $field_object, $field, $entry, $payment_plan ) {
		if ( class_exists( 'Forminator_Stripe_Subscription' ) ) {
			try {
				$stripe_addon = Forminator_Stripe_Subscription::get_instance();
				$amount_type  = isset( $payment_plan['subscription_amount_type'] ) ? $payment_plan['subscription_amount_type'] : 'fixed';
				$amount       = isset( $payment_plan['subscription_amount'] ) ? $payment_plan['subscription_amount'] : 0.0;

if ( 'fixed' === $amount_type && empty( $amount ) ) {
					throw new Exception( esc_html__( 'Payment amount should be larger than 0.', 'forminator' ) );
				}

$entry_data = $stripe_addon->handle_subscription( $field_object, self::$module_object, self::$prepared_data, $field, $entry, $payment_plan );

$stripe_entry_data = array(
					'name'  => $field['element_id'],
					'value' => $entry_data,
				);

/**
				 * Filter stripe entry data that might be stored/used later
				 *
				 * @since 1.7
				 *
				 * @param array $calculation_entry_data
				 * @param Forminator_Form_Model $module_object
				 * @param array $field field_properties.
				 * @param array $field_data_array
				 *
				 * @return array
				 */
				$stripe_entry_data = apply_filters( 'forminator_custom_form_stripe_entry_data', $stripe_entry_data, self::$module_object, $field, self::$info['field_data_array'] );

forminator_maybe_log( __METHOD__, $stripe_entry_data['value'] );
				if ( is_wp_error( $stripe_entry_data['value'] ) ) {
					throw new Exception( $stripe_entry_data['value']->get_error_message() );
				}
				if ( ! empty( $stripe_entry_data['value']['error'] ) ) {
					throw new Exception( $stripe_entry_data['value']['error'] );
				}

return $stripe_entry_data;

} catch ( Exception $e ) {
				// Delete entry if paymentIntent confirmation is not successful.
				$entry->delete();

return new WP_Error( 'forminator_stripe_error', $e->getMessage() );
			}
		} else {
			return new WP_Error(
				'forminator_stripe_error',
				esc_html(
					apply_filters(
						'forminator_payment_require_stripe_subscription_addon_error_message',
						esc_html__( 'Forminator Stripe Subscription Add-on is required to submit this form.', 'forminator' )
					)
				)
			);
		}
	}

/**
	 * Handle stripe single payment
	 *
	 * @since 1.15
	 *
	 * @param array  $field_object Field.
	 * @param array  $field Field data.
	 * @param object $entry Entry.
	 * @param string $mode Stripe payment mode.
	 *
	 * @return array|WP_ERROR
	 * @throws Exception When there is an error.
	 */
	private static function handle_stripe_single( $field_object, $field, $entry, $mode ) {
		$entry_data = $field_object->process_to_entry_data( $field );

$stripe_entry_data = array(
			'name'  => $field['element_id'],
			'value' => $entry_data,
		);

/**
		 * Filter stripe entry data that might be stored/used later
		 *
		 * @since 1.7
		 *
		 * @param array $calculation_entry_data
		 * @param Forminator_Form_Model $module_object
		 * @param array $field field_properties.
		 * @param array $field_data_array
		 *
		 * @return array
		 */
		$stripe_entry_data = apply_filters( 'forminator_custom_form_stripe_entry_data', $stripe_entry_data, self::$module_object, $field, self::$info['field_data_array'] );

forminator_maybe_log( __METHOD__, $stripe_entry_data['value'] );
		if ( is_wp_error( $stripe_entry_data['value'] ) ) {
			throw new Exception( esc_html( $stripe_entry_data['value']->get_error_message() ) );
		}

/**
		 * Fires after charge stripe
		 *
		 * @since 1.7
		 *
		 * @param Forminator_Form_Model $module_object
		 * @param array $field field properties.
		 * @param array $stripe_entry_data
		 * @param array $submitted_data
		 * @param array $field_data_array
		 */
		do_action( 'forminator_custom_form_after_stripe_charge', self::$module_object, $field, $stripe_entry_data, self::$prepared_data, self::$info['field_data_array'] );

// Try to get Payment Intent from submitted date.
		try {
			$intent = $field_object->get_paymentIntent( $field );

if ( is_wp_error( $intent ) ) {
				return $intent;
			}

// Don't process confirm if status is requires_capture as it confirmed already.
			if ( 'requires_confirmation' === $intent->status ) {
				$result = $intent->confirm(
					array(
						'return_url' => Forminator_Stripe::get_return_url(),
					)
				);
			} else {
				$result = $intent;
			}

// If we have 3D security on the card return for verification.
			if ( 'requires_action' === $result->status || 'requires_confirmation' === $result->status ) {
				$error_data = self::handle_failed_stripe_response( $result, $entry );

self::$response_attrs           = array_merge( self::$response_attrs, $error_data );
				self::$response_attrs['secret'] = $result->client_secret;
				return new WP_Error( 'forminator_stripe_error', esc_html( $error_data['message'] ) );
			}
		} catch ( Exception $e ) {
			// Delete entry if capture is not successful.
			$entry->delete();

return new WP_Error( 'forminator_stripe_error', $e->getMessage() );
		}

if ( 'succeeded' !== $intent->status ) {
			// Delete entry if capture is not successful.
			$entry->delete();

return new WP_Error( 'forminator_stripe_error', esc_html__( 'Payment failed, please try again!', 'forminator' ) );
		}

$result                     = array(
			'status'           => 'COMPLETED',
			'transaction_id'   => $intent->id,
			'transaction_link' => $field_object::get_transanction_link( $mode, $intent->id ),
		);
		$stripe_entry_data['value'] = array_merge( $stripe_entry_data['value'], $result );

return $stripe_entry_data;
	}

/**
	 * Handle stripe failed response
	 *
	 * @param object $result Stripe result.
	 * @param object $entry Entry object.
	 *
	 * @return array
	 */
	public static function handle_failed_stripe_response( $result, $entry ) {
		// Delete entry if 3d security or additional confirmation is needed, we will store it on next attempt.
		$entry->delete();
		$error_data = array(
			'message' => __( 'This payment requires additional authentication! Please follow the instructions.', 'forminator' ),
		);

if ( ! empty( $result->next_action->redirect_to_url->url ) && 0 !== strpos( $result->next_action->redirect_to_url->url, 'https://hooks.stripe.com' ) ) {
			$error_data['redirect_to_url'] = $result->next_action->redirect_to_url->url;
		} elseif ( ! empty( $result->next_action->alipay_handle_redirect->url ) ) {
			$error_data['redirect_to_url'] = $result->next_action->alipay_handle_redirect->url;
		} elseif ( ! empty( $result->next_action->wechat_pay_display_qr_code->data ) ) {
			$error_data['redirect_to_url'] = $result->next_action->wechat_pay_display_qr_code->data;
		} elseif ( ! empty( $result->next_action->cashapp_handle_redirect_or_display_qr_code->mobile_auth_url ) ) {
			$error_data['redirect_to_url'] = $result->next_action->cashapp_handle_redirect_or_display_qr_code->mobile_auth_url;
		} else {
			$error_data['stripe3d'] = true;

$error_data['message'] = __( 'This payment requires 3D Secure authentication! Please follow the instructions.', 'forminator' );
		}

return apply_filters( 'forminator_stripe_next_action_after_payment_confirmation', $error_data, $result );
	}

/**
	 * Handle stripe payments
	 *
	 * @param object $entry Entry.
	 * @return array
	 */
	private static function handle_stripe( $entry ) {
		if ( self::$is_draft || self::$is_spam ) {
			return;
		}

$stripe = new Forminator_Gateway_Stripe();

if ( ! $stripe->is_ready() || ! self::$info['stripe_field'] ) {
			return;
		}

self::stripe_field_to_entry_data_array( $entry );
	}

/**
	 * Handle paypal
	 *
	 * @param object $entry Entry.
	 * @return array
	 * @throws Exception When there is an error.
	 */
	private static function handle_paypal( $entry ) {
		if ( self::$is_draft || self::$is_spam ) {
			return;
		}

if ( ! self::$info['paypal_field'] ) {
			return;
		}

if ( self::$module_object->is_payment_require_ssl() && ! is_ssl() ) {
			throw new Exception(
				esc_html(
					apply_filters(
						'forminator_payment_require_ssl_error_message',
						esc_html__( 'SSL required to submit this form, please check your URL.', 'forminator' )
					)
				)
			);
		}

self::paypal_field_to_entry_data_array( $entry );
	}

/**
	 * Handle form
	 *
	 * @since 1.0
	 * @since 1.1 change superglobal POST to `get_post_data`
	 * @since 1.5.1 utilize `_post_data` which already defined on submit
	 *
	 * @param bool $preview Is preview.
	 *
	 * @return array|bool
	 */
	public function handle_form( $preview = false ) {
		if ( ! self::$module_object ) {
			return false;
		}

try {
			self::can_submit();
			self::prepare_fields_info();
			self::check_captcha();

$entry = self::get_entry();
			self::maybe_login( $entry );

$passed = self::is_honeypot();
			if ( ! $passed ) {
				// show success but dont save form.
				return self::return_success();
			}

if ( self::is_spam() ) {
				$entry->is_spam = 1;
				self::$is_spam  = true;
			}

// If preview, skip integrations.
			if ( ! $preview ) {
				self::attach_addons_on_form_submit();

$entry->draft_id = $this->set_entry_draft_id();

if ( self::$is_draft || ! self::prevent_store() ) {
					$entry->save( null, null, self::$previous_draft_id );
				}
			}

self::process_uploads( 'upload' );
			self::handle_stripe( $entry );
			self::handle_paypal( $entry );
			self::process_uploads( 'transfer' );
			self::maybe_create_post();

// save field_data_array with password field for registration forms.
			$data_for_registration = self::$info['field_data_array'];

self::save_entry_fields( $entry );

self::attach_addons_after_entry_saved( $entry );
			self::maybe_registration( $entry, $data_for_registration );

self::send_email( $entry );

$response = self::get_response( $entry );
		} catch ( Exception $e ) {
			return self::return_error( $e->getMessage() );
		}

return $response;
	}

/**
	 * Send email
	 *
	 * @param object $entry Entry.
	 */
	private static function send_email( $entry ) {
		if ( ! self::$is_leads && ! self::$is_draft && ! self::$is_spam ) {
			$forminator_mail_sender = new Forminator_CForm_Front_Mail();
			$forminator_mail_sender->process_mail( self::$module_object, $entry );
		}
	}

/**
	 * Save entry fields
	 *
	 * @param object $entry Entry object.
	 */
	private static function save_entry_fields( $entry ) {
		self::remove_password();
		self::handle_hidden_fields_after_entry_save( $entry, self::$module_id );

/**
		 * Action called before setting fields to database
		 *
		 * @since 1.0.2
		 *
		 * @param Forminator_Form_Entry_Model $entry - the entry model.
		 * @param int $form_id - the form id.
		 * @param array $field_data_array - the entry data.
		 */
		do_action( 'forminator_custom_form_submit_before_set_fields', $entry, self::$module_id, self::$info['field_data_array'] );

// ADDON add_entry_fields.
		// @since 1.2 Add field_data_array to param.
		$added_data_array = self::$info['field_data_array'];
		if ( ! self::$is_draft ) {
			$added_data_array = self::attach_addons_add_entry_fields( $added_data_array, $entry );
			$added_data_array = self::replace_values_to_labels( $added_data_array, $entry );
		} else {
			// remove IP for drafts.
			$ip_key = array_search( '_forminator_user_ip', array_column( $added_data_array, 'name' ), true );
			if ( false !== $ip_key ) {
				unset( $added_data_array[ $ip_key ] );
			}
		}

if ( self::$is_leads ) {
			self::$response_attrs['entry_id'] = $entry->entry_id;

$added_data_array[] = array(
				'name'  => 'skip_form',
				'value' => '0',
			);
		}

$entry->set_fields( $added_data_array );
	}

/**
	 * Prepare submitted data to sending to addons
	 *
	 * @param array $current_entry_fields Entry fields.
	 * @return array
	 */
	protected static function get_prepared_submitted_data_for_addons( $current_entry_fields ) {
		$data = self::get_submitted_data();

foreach ( wp_list_pluck( $current_entry_fields, 'name' ) as $element_id ) {
			$data[ $element_id ] = Forminator_Integration_Form_Hooks::prepare_field_value_for_addon( $element_id, $current_entry_fields, $data );
		}

$data = Forminator_Integration_Form_Hooks::prepare_stripe_subscription_id_for_addon( $data, $current_entry_fields );

// Remove technical info.
		$data = array_filter(
			$data,
			function ( $key ) {
				return 0 !== strpos( $key, 'group-' ) || '-copies' !== substr( $key, -7 );
			},
			ARRAY_FILTER_USE_KEY
		);

return $data;
	}

/**
	 * Get post data fields and replace calculation fields placeholders in Custom Fields
	 *
	 * @return array
	 */
	private static function get_post_data_fields() {
		// Get saved postdata fields data.
		$postdata_fields = self::get_specific_field_data( 'postdata' );
		if ( empty( $postdata_fields ) ) {
			return;
		}

// Replace calculation fields placeholders in Custom Fields.
		foreach ( $postdata_fields as $field_key => $field ) {
			if ( empty( $field['field_array']['options'] ) || ! is_array( $field['field_array']['options'] ) ) {
				continue;
			}
			$custom_fields = wp_list_pluck( $field['field_array']['options'], 'value' );
			foreach ( $custom_fields as $cf_key => $cf_value ) {
				if ( strpos( $cf_value, '{calculation-' ) === false ) {
					continue;
				}
				$value = forminator_replace_form_data( $cf_value, self::$module_object );

$postdata_fields[ $field_key ]['value']['post-custom'][ $cf_key ]['value'] = $value;
			}
		}

return $postdata_fields;
	}

/**
	 * Maybe create post
	 *
	 * @throws Exception When there is an error.
	 */
	private static function maybe_create_post() {
		if ( self::$is_draft || self::$is_spam ) {
			return;
		}

// Get saved postdata fields data and replace upload tags with uploaded data.
		$postdata_fields = self::get_post_data_fields();
		if ( empty( $postdata_fields ) ) {
			return;
		}
		$postdata_return = self::create_post_from_postdata( $postdata_fields );

if ( isset( $postdata_return['type'] ) && 'error' === $postdata_return['type'] ) {
			throw new Exception( esc_html( $postdata_return['value'] ) );
		}

foreach ( $postdata_return as $postdata ) {
			if ( 'success' === $postdata['type'] ) {
				foreach ( self::$info['field_data_array'] as $field_key => $field_datum ) {
					if ( $field_datum['name'] === $postdata['field_id'] ) {
						self::$info['field_data_array'][ $field_key ] = array(
							'name'  => $postdata['field_id'],
							'value' => $postdata['field_data'],
						);
					}
				}
			} else {
				throw new Exception( esc_html( $postdata['value'] ) );
			}
		}
	}

/**
	 * Get submission response
	 *
	 * @param object $entry Form entry object.
	 * @return mixed
	 */
	private static function get_response( $entry ) {
		if ( self::$is_draft ) {
			return self::get_draft_response( $entry );
		}

self::set_behaviour_settings( $entry );
		$response = self::return_success();

if ( empty( self::$module_settings['enable-ajax'] ) ) {
			$is_ajax_enabled = false;
		} else {
			$is_ajax_enabled = filter_var( self::$module_settings['enable-ajax'], FILTER_VALIDATE_BOOLEAN );
		}
		if ( $is_ajax_enabled ) {
			// Hide select options that already are reached limit.
			$response['select_field'] = self::get_limited_select_values();
		}

$response = self::handle_product_fields( $response, $entry );

return $response;
	}

/**
	 * Get draft response
	 *
	 * @param object $entry Form entry object.
	 * @return type
	 */
	private static function get_draft_response( $entry ) {
		$setting = self::$module_settings;
		// Will be used to auto-fill the email field in send draft link form.
		$first_email = self::get_first_email( self::$prepared_data );
		if ( ! is_null( $first_email ) ) {
			self::$response_attrs['first_email'] = $first_email;
		}

self::$response_attrs['draft_id']           = $entry->draft_id;
		self::$response_attrs['page_id']            = self::$prepared_data['page_id'];
		self::$response_attrs['enable_email_link']  = isset( $setting['sc_email_link'] ) ? filter_var( $setting['sc_email_link'], FILTER_VALIDATE_BOOLEAN ) : true;
		self::$response_attrs['email_label']        = isset( $setting['sc_email_input_label'] ) ? $setting['sc_email_input_label'] : esc_html__( 'Send draft link to', 'forminator' );
		self::$response_attrs['email_placeholder']  = isset( $setting['sc_email_placeholder'] ) ? $setting['sc_email_placeholder'] : esc_html__( 'E.g., johndoe@gmail.com', 'forminator' );
		self::$response_attrs['email_button_label'] = isset( $setting['sc_email_button_label'] ) ? $setting['sc_email_button_label'] : esc_html__( 'Send draft link', 'forminator' );
		self::$response_attrs['retention_period']   = isset( $setting['sc_draft_retention'] ) ? $setting['sc_draft_retention'] : 30;

return self::return_success( $setting['sc_message'] );
	}

/**
	 * Handle product fields
	 *
	 * @param array  $response Response.
	 * @param object $entry Form entry object.
	 */
	private static function handle_product_fields( $response, $entry ) {
		$product_fields = self::get_specific_field_data( 'product' );
		if ( ! empty( $product_fields ) ) {
			// Process purchase.
			$page_id  = self::$prepared_data['page_id']; // use page id to get permalink for redirect.
			$shipping = isset( self::$prepared_data['product-shipping'] ) ? self::$prepared_data['product-shipping'] : 0;

/**
			 * Process purchase
			 *
			 * @since 1.0.0
			 *
			 * @param array $response - the response array.
			 * @param array $product_fields - the product fields.
			 * @param int $entry_id - the entry id ( reference for callback).
			 * @param int $page_id - the page id. Used to generate a return url.
			 * @param int $shipping - the shipping cost.
			 */
			$response = apply_filters( 'forminator_cform_process_purchase', $response, $product_fields, self::$info['field_data_array'], $entry->entry_id, $page_id, $shipping );
		}

return $response;
	}

/**
	 * Get product field data
	 *
	 * @param string $type Field type.
	 * @return array
	 * @throws Exception When there is an error.
	 */
	private static function get_specific_field_data( $type ) {
		$product_fields = array();
		foreach ( self::$info['field_data_array'] as $data ) {
			if ( ! isset( $data['field_type'] ) || $type !== $data['field_type'] ) {
				continue;
			}
			$product_fields[] = $data;
		}

return $product_fields;
	}

/**
	 * Get fields
	 *
	 * @throws Exception When there is an error.
	 */
	private static function get_fields() {
		$fields = self::$module_object->get_real_fields();

if ( ! $fields ) {
			throw new Exception( esc_html__( 'At least one field must be filled out to submit the form.', 'forminator' ) );
		}

return $fields;
	}

/**
	 * Check if submission is possible.
	 *
	 * @throws Exception When there is an error.
	 */
	private static function can_submit() {
		$form_submit = self::$module_object->form_can_submit();
		if ( ! $form_submit['can_submit'] ) {
			throw new Exception( esc_html( $form_submit['error'] ) );
		}
	}

/**
	 * Honeypot check
	 *
	 * @return boolean
	 */
	private static function is_honeypot() {
		if ( isset( self::$module_settings['honeypot'] ) && filter_var( self::$module_settings['honeypot'], FILTER_VALIDATE_BOOLEAN ) ) {
			$total_fields = count( self::$module_object->get_real_fields() ) + 1;
			if ( ! empty( self::$prepared_data[ "input_$total_fields" ] ) ) {
				return false;
			}
		}
		return true;
	}

/**
	 * Set behavior settings
	 *
	 * @param object $entry Entry.
	 */
	private static function set_behaviour_settings( $entry ) {
		$all_behaviours   = array( 'behaviour-thankyou', 'behaviour-hide', 'behaviour-redirect' );
		$behavior_options = self::get_relevant_behavior_options();
		if ( ! isset( $behavior_options['submission-behaviour'] ) || ! in_array( $behavior_options['submission-behaviour'], $all_behaviours, true ) ) {
			return;
		}

$custom_form                   = self::$module_object;
		self::$response_attrs['behav'] = self::get_submission_behaviour( $behavior_options );
		if ( 'behaviour-redirect' === $behavior_options['submission-behaviour'] && ! empty( $behavior_options['redirect-url'] ) ) {
			self::$response_attrs['redirect'] = true;
			$url_encode                       = true;
			if ( '{' === substr( $behavior_options['redirect-url'], 0, 1 ) && '}' === substr( $behavior_options['redirect-url'], -1 ) ) {
				$url_encode = false;
			}
			// replace form data vars with value.
			$redirect_url = forminator_replace_form_data( $behavior_options['redirect-url'], $custom_form, $entry, false, $url_encode );
			$redirect_url = html_entity_decode( $redirect_url );
			$tab_value    = isset( $behavior_options['newtab'] ) ? $behavior_options['newtab'] : 'sametab';
			$newtab       = forminator_replace_form_data( $tab_value, $custom_form, $entry );
			// replace misc data vars with value.
			$redirect_url                   = forminator_replace_variables( $redirect_url, self::$module_id );
			$newtab                         = forminator_replace_variables( $newtab, self::$module_id );
			self::$response_attrs['url']    = esc_url_raw( $redirect_url );
			self::$response_attrs['newtab'] = esc_html( $newtab );
		}

$thankyou_message = self::get_thankyou_message( $custom_form, $behavior_options, $entry );

if ( ( ! isset( $tab_value ) || 'newtab_thankyou' === $tab_value ) && ! empty( $thankyou_message ) ) {
			self::$response_attrs['message'] = $thankyou_message;
			if ( ! empty( $behavior_options['autoclose'] ) ) {
				self::$response_attrs['fadeout']      = $behavior_options['autoclose'];
				self::$response_attrs['fadeout_time'] = ! empty( $behavior_options['autoclose-time'] )
						? $behavior_options['autoclose-time'] * 1000 : 0;
			}
		}
	}

/**
	 * Get "Thank you" message
	 *
	 * @param object $custom_form Custom form.
	 * @param array  $behavior_options Releavant behavior options.
	 * @param object $entry Entry object.
	 * @return type
	 */
	private static function get_thankyou_message( $custom_form, $behavior_options, $entry ) {

if ( ! empty( $custom_form->settings['activation-method'] )
			&& isset( $behavior_options[ $custom_form->settings['activation-method'] . '-thankyou-message' ] )
		) {
			$thankyou_message = $behavior_options[ $custom_form->settings['activation-method'] . '-thankyou-message' ];
		} elseif ( isset( $behavior_options['thankyou-message'] ) ) {
			$thankyou_message = $behavior_options['thankyou-message'];
		} else {
			$thankyou_message = '';
		}

/**
		 * Filter thankyou message
		 *
		 * @since 1.11
		 *
		 * @param string $thankyou_message "Thank you" message.
		 * @param array $submitted_data
		 * @param Forminator_Form_Model $custom_form
		 *
		 * @return string
		 */
		$thankyou_message = apply_filters( 'forminator_custom_form_thankyou_message', $thankyou_message, $custom_form );
		// replace form data vars with value.
		$thankyou_message = forminator_replace_form_data( $thankyou_message, $custom_form, $entry, true );
		// replace misc data vars with value.
		$message = forminator_replace_variables( $thankyou_message, self::$module_id );

return $message;
	}

/**
	 * Get submission behavior
	 *
	 * @param array $behavior_options Behavior settings.
	 * @return string
	 */
	private static function get_submission_behaviour( $behavior_options ) {
		$submission_behaviour = 'behaviour-thankyou';

if ( isset( $behavior_options['submission-behaviour'] ) ) {
			$submission_behaviour = $behavior_options['submission-behaviour'];
		}

// If Stripe field exist & submit is AJAX we fall back to hide to force page reload when form submitted.
		if ( ! empty( self::$info['stripe_field'] ) && self::$module_object->is_ajax_submit() ) {
			$submission_behaviour = 'behaviour-hide';
		}

$submission_behaviour = apply_filters( 'forminator_custom_form_get_submission_behaviour', $submission_behaviour, self::$module_id, $behavior_options );

return $submission_behaviour;
	}

/**
	 * Get the relevant behavior which will be applied according conditions
	 *
	 * @return array|false Return the relevant behavior or false if no behavior found.
	 */
	private static function get_relevant_behavior_options() {
		$behavior_array = self::$module_object->get_behavior_array();

foreach ( $behavior_array as $behavior ) {
			if ( empty( $behavior['conditions'] ) ) {
				// If this behavior doesn't have any conditions - return it.
				return $behavior;
			}
			$condition_rule      = isset( $behavior['condition_rule'] ) ? $behavior['condition_rule'] : 'all';
			$condition_fulfilled = 0;

foreach ( $behavior['conditions'] as $condition ) {
				$is_matched = Forminator_Field::is_condition_matched( $condition );
				if ( $is_matched ) {
					if ( 'any' === $condition_rule ) {
						// If this behavior is matched the conditions - return it. No need to check others.
						return $behavior;
					}
					++$condition_fulfilled;
				}
			}
			if ( 'all' === $condition_rule && count( $behavior['conditions'] ) === $condition_fulfilled ) {
				// Return this behavior if all conditions are matched.
				return $behavior;
			}
		}

// If all behaviors aren't matched - return false.
		return false;
	}

/**
	 * Get select values according limit.
	 *
	 * @return array
	 */
	private static function get_limited_select_values() {
		$result = array();
		if ( self::$is_draft || empty( self::$info['select_field_value'] ) ) {
			return $result;
		}
		foreach ( self::$info['select_field_value'] as $select_name => $options ) {
			$select_value = array();
			foreach ( $options as $option ) {
				if ( Forminator_Form_Entry_Model::is_option_limit_reached( self::$module_id, $select_name, $option['type'], $option ) ) {
					$select_value[] = $option;
				}
			}
			if ( ! empty( $select_value ) ) {
				$result[ $select_name ] = $select_value;
			}
		}
		return $result;
	}

/**
	 * Remove a password field.
	 */
	private static function remove_password() {
		foreach ( self::$info['field_data_array'] as $key => $field_arr ) {
			if ( false !== stripos( $field_arr['name'], 'password-' ) ) {
				unset( self::$info['field_data_array'][ $key ] );
				break;
			}
		}
	}

/**
	 * Replace values to labels for radios, selectboxes and checkboxes
	 *
	 * @param array $data Data.
	 * @param array $entry Entry.
	 * @return array
	 */
	private static function replace_values_to_labels( $data, $entry ) {
		foreach ( $data as $key => $value ) {
			if ( empty( $value['name'] ) ) {
				continue;
			}
			$slug = $value['name'];
			if ( strpos( $slug, 'radio' ) !== false
					|| strpos( $slug, 'select' ) !== false
					|| strpos( $slug, 'checkbox' ) !== false
					) {
				$data[ $key ]['value'] = forminator_replace_form_data( '{' . $slug . '}', self::$module_object, $entry, true );
			}
		}

return $data;
	}

/**
	 * Multiple File upload for ajax multi-upload
	 */
	public function multiple_file_upload() {
		$this->init_properties();

if ( ! isset( self::$prepared_data['nonce'] ) || ! wp_verify_nonce( self::$prepared_data['nonce'], 'forminator_submit_form' . self::$module_id ) ) {
			wp_send_json_error( new WP_Error( 'invalid_code' ) );
		}

$fields = self::$module_object->get_fields();
		foreach ( $fields as $field ) {
			$field_array = $field->to_formatted_array();
			$element_id  = esc_html( $field_array['element_id'] );
			$field_type  = isset( $field_array['type'] ) ? esc_html( $field_array['type'] ) : '';
			if ( isset( self::$prepared_data['element_id'] ) && 'upload' === $field_type && self::$prepared_data['element_id'] === $element_id ) {
				$upload_field_obj = Forminator_Core::get_field_object( $field_type );
				$response         = $upload_field_obj->handle_file_upload( self::$module_id, $field_array, self::$prepared_data, 'upload' );

if ( ! $response['success'] || isset( $response['errors'] ) ) {
					wp_send_json_error( $response );
				} else {
					wp_send_json_success( $response );
				}
			}
		}
	}

/**
	 * Response message
	 *
	 * @since 1.0
	 * @since 1.1 change superglobal POST to `get_post_data`
	 * @since 1.5.1 utilize `_post_data` which already defined on submit
	 *
	 * @param int $form_id Form Id.
	 * @param int $render_id Render Id.
	 */
	public function form_response_message( $form_id, $render_id ) {
		$post_render_id = isset( self::$prepared_data['render_id'] ) ? sanitize_text_field( self::$prepared_data['render_id'] ) : 0;
		$response       = self::$response;

// only show to related form.
		if ( ! empty( $response ) && is_array( $response ) && (int) $form_id === (int) self::$module_id && (int) $render_id === (int) $post_render_id ) {
			$label_class = $response['success'] ? 'forminator-success' : 'forminator-error';
			?>
			<div class="forminator-response-message forminator-show <?php echo esc_attr( $label_class ); ?>"
				tabindex="-1">
				<label class="forminator-label--<?php echo esc_attr( $label_class ); ?>"><?php echo wp_kses_post( $response['message'] ); ?></label>
				<?php
				if ( isset( $response['errors'] ) && ! empty( $response['errors'] ) ) {
					?>
					<ul class="forminator-screen-reader-only">
						<?php
						foreach ( $response['errors'] as $key => $error ) {
							foreach ( $error as $id => $value ) {
								?>
								<li><?php echo esc_html( $value ); ?></li>
								<?php
							}
						}
						?>
					</ul>
					<?php
				}
				?>
			</div>
			<?php

if ( isset( $response['success'] ) && $response['success'] && isset( $response['behav'] ) && ( 'behaviour-hide' === $response['behav'] || ( isset( $response['newtab'] ) && 'newtab_hide' === $response['newtab'] ) ) ) {
				$selector = '#forminator-module-' . $form_id . '[data-forminator-render="' . $render_id . '"]';
				?>
				<script type="text/javascript">var ForminatorFormHider =
					<?php
					echo wp_json_encode(
						array(
							'selector' => $selector,
						)
					);
					?>
				</script>
				<?php
			}
			if ( isset( $response['success'] ) && $response['success'] && isset( $response['behav'] ) && 'behaviour-redirect' === $response['behav'] && isset( $response['newtab'] ) && ( 'newtab_hide' === $response['newtab'] || 'newtab_thankyou' === $response['newtab'] ) ) {
				$url = $response['url'];
				?>
				<script type="text/javascript">var ForminatorFormNewTabRedirect =
					<?php
					echo wp_json_encode(
						array(
							'url' => $url,
						)
					);
					?>
				</script>
				<?php
			}
		}
	}

/**
	 * Get invalid form message
	 *
	 * @since 1.0
	 *
	 * @return mixed
	 */
	private static function get_invalid_form_message() {
		$invalid_form_message = esc_html__( 'Error: Your form is not valid, please fix the errors!', 'forminator' );
		if ( ! empty( self::$module_settings['submitData']['custom-invalid-form-message'] ) ) {
			$invalid_form_message = self::$module_settings['submitData']['custom-invalid-form-message'];
		}

return apply_filters( 'forminator_custom_form_invalid_form_message', $invalid_form_message, self::$module_id );
	}

/**
	 * Executor On form submit for attached addons
	 *
	 * @see   Forminator_Integration_Form_Hooks::on_module_submit()
	 * @since 1.1
	 *
	 * @return bool true on success|string error message from addon otherwise
	 * @throws Exception When there is an error.
	 */
	private static function attach_addons_on_form_submit() {
		if ( self::$is_draft || self::$is_spam ) {
			return;
		}

// find is_form_connected.
		$connected_addons = forminator_get_addons_instance_connected_with_module( self::$module_id, 'form' );

foreach ( $connected_addons as $connected_addon ) {
			try {
				$form_hooks = $connected_addon->get_addon_hooks( self::$module_id, 'form' );
				if ( ! $form_hooks instanceof Forminator_Integration_Form_Hooks ) {
					continue;
				}
				$addon_return = $form_hooks->on_module_submit( self::$prepared_data );
			} catch ( Exception $e ) {
				forminator_addon_maybe_log( $connected_addon->get_slug(), 'failed to attach_addons_on_form_submit', $e->getMessage() );
			}
			if ( true !== $addon_return ) {
				throw new Exception( esc_html( $addon_return ) );
			}
		}

return true;
	}

/**
	 * Process stripe charge
	 *
	 * @since 1.7
	 * @param object $entry Entry.
	 *
	 * @return array
	 * @throws Exception When there is an error.
	 */
	private static function stripe_field_to_entry_data_array( $entry ) {
		$field_object = Forminator_Core::get_field_object( 'stripe' );

if ( ! $field_object ) {
			return;
		}

$field = self::$info['stripe_field'];

/**
		 * Fires before process stripe
		 *
		 * @since 1.7
		 *
		 * @param Forminator_Form_Model $module_object
		 * @param array $field field properties.
		 * @param array $submitted_data
		 * @param array $field_data_array
		 */
		do_action( 'forminator_custom_form_before_stripe_charge', self::$module_object, $field, self::$prepared_data, self::$info['field_data_array'] );

$payment_plan = $field_object->get_payment_plan( $field );
		if ( 'single' === $payment_plan['payment_method'] ) {
			$mode            = isset( $field['mode'] ) ? $field['mode'] : 'sandbox';
			$plan_data_array = self::handle_stripe_single( $field_object, $field, $entry, $mode );
		} else {
			$plan_data_array = self::handle_stripe_subscription( $field_object, $field, $entry, $payment_plan );
		}

if ( is_wp_error( $plan_data_array ) ) {
			throw new Exception( esc_html( $plan_data_array->get_error_message() ) );
		}

if ( ! empty( $plan_data_array ) ) {
			self::$info['field_data_array'][] = $plan_data_array;
		}
	}

/**
	 * Process PayPal charge
	 *
	 * @since 1.7
	 * @param object $entry Entry.
	 *
	 * @return array
	 * @throws Exception When there is an error.
	 */
	private static function paypal_field_to_entry_data_array( $entry ) {
		$field_object = Forminator_Core::get_field_object( 'paypal' );

if ( ! $field_object ) {
			return;
		}

$field = self::$info['paypal_field'];

/**
		 * Fires before process paypal
		 *
		 * @since 1.7
		 *
		 * @param Forminator_Form_Model $module_object
		 * @param array $field field properties.
		 * @param array $submitted_data
		 * @param array $field_data_array
		 */
		do_action( 'forminator_custom_form_before_paypal_charge', self::$module_object, $field, self::$prepared_data, self::$info['field_data_array'] );

$entry_data        = $field_object->process_to_entry_data( $field );
		$paypal_entry_data = array(
			'name'  => $field['element_id'],
			'value' => $entry_data,
		);

/**
		 * Filter paypal entry data that might be stored/used later
		 *
		 * @since 1.7
		 *
		 * @param array $calculation_entry_data
		 * @param Forminator_Form_Model $module_object
		 * @param array $field field_properties.
		 * @param array $field_data_array
		 *
		 * @return array
		 */
		$paypal_entry_data = apply_filters( 'forminator_custom_form_paypal_entry_data', $paypal_entry_data, self::$module_object, $field, self::$info['field_data_array'] );

if ( empty( $paypal_entry_data ) ) {
			return;
		}
		forminator_maybe_log( __METHOD__, $paypal_entry_data['value'] );
		if ( ! empty( $paypal_entry_data['value']['error'] ) ) {
			throw new Exception( esc_html( $paypal_entry_data['value']['error'] ) );
		}

/**
		 * Fires after charge paypal
		 *
		 * @since 1.7
		 *
		 * @param Forminator_Form_Model $module_object
		 * @param array $field field properties.
		 * @param array $paypal_entry_data
		 * @param array $submitted_data
		 * @param array $field_data_array
		 */
		do_action( 'forminator_custom_form_after_paypal_charge', self::$module_object, $field, $paypal_entry_data, self::$prepared_data, self::$info['field_data_array'] );

$paypal  = new Forminator_PayPal_Express();
		$mode    = isset( $field['mode'] ) ? $field['mode'] : 'sandbox';
		$capture = $paypal->capture_order( $entry_data['transaction_id'], $mode );

if ( ! isset( $capture->status ) || 'COMPLETED' !== $capture->status ) {
			// Delete entry if capture is not successful.
			$entry->delete();

throw new Exception( esc_html__( 'Payment failed, please try again!', 'forminator' ) );
		}
		$paypal_entry_data['value']['status'] = 'COMPLETED';

if ( isset( $capture->purchase_units[0]->payments->captures[0]->id ) ) {
			$transaction_id = $capture->purchase_units[0]->payments->captures[0]->id;

$paypal_entry_data['value']['transaction_id']   = $transaction_id;
			$paypal_entry_data['value']['transaction_link'] = $field_object::get_transanction_link( $mode, $transaction_id );
		}

self::$info['field_data_array'][] = $paypal_entry_data;
	}

/**
	 * Prepare hidden and visible fields
	 */
	public static function check_fields_visibility() {
		$fields         = self::$module_object->get_fields();
		$visible_fields = array(); // Visible fields with calculable values.
		$unspecified    = array(); // it's not clear these fields are hidden or visible.
		$field_slugs    = wp_list_pluck( $fields, 'slug' );
		do { // We do it recursevely because sometimes fields on which visibility depends are placed in the array after dependent fields.
			$previous_unspecified = $unspecified;
			$unspecified          = array();

foreach ( $fields as $field ) {
				$field_settings = $field->to_formatted_array();
				$field_id       = Forminator_Field::get_property( 'element_id', $field_settings );
				$group_suffix   = '';
				$i              = 1;
				$group_copies   = ! empty( self::$prepared_data[ $field->parent_group . '-copies' ] )
						? self::$prepared_data[ $field->parent_group . '-copies' ]
						: array();

do { // Do it recursevely for repeated fields.
					if ( $i > 1 ) {
						$group_suffix = '-' . $i;
					}

// Skip if this field is already checked.
					if ( in_array( $field_id . $group_suffix, array_keys( $visible_fields ), true )
							|| in_array( $field_id . $group_suffix, self::$hidden_fields, true ) ) {
						continue;
					}

$conditions   = Forminator_Field::get_field_conditions( $field_settings, $group_suffix );
					$field_type   = Forminator_Field::get_property( 'type', $field_settings );
					$field_object = Forminator_Core::get_field_object( $field_type );

// Skip if field object is not found.
					if ( empty( $field_object ) ) {
						continue;
					}

// if it's stripe field and there is stripe OCS field - skip it.
					if ( 'stripe' === $field_type && in_array( 'stripe-ocs-1', $field_slugs, true ) ) {
						continue;
					}

if ( 'stripe-ocs' === $field_type && 'true' === filter_input( INPUT_POST, 'stripe-intent' ) ) {
						// Do not skip saving 'stripe_field' - even if they unspecified some code uses them.
						self::$info['stripe_field'] = $field_settings;
					}

if ( $conditions ) {
						$dependent_fields = wp_list_pluck( $conditions, 'element_id' );
						$depends          = self::dependencies_not_ready( $dependent_fields, $visible_fields );
						if ( $depends ) {
							$unspecified[ $field_id . $group_suffix ] = $conditions;
							continue;
						} else {
							$is_hidden = Forminator_Field::is_hidden( $field_settings, array( 'conditions' => $conditions ), $group_suffix );
							if ( $is_hidden ) {
								self::update_hidden_fields_array( $field_id, $group_suffix, $field_settings );
								continue;
							}
						}
					}

$submitted_field_data = self::$prepared_data[ $field_id . $group_suffix ] ?? null;
					$calculable_value     = $field_object::get_calculable_value( $submitted_field_data, $field_settings );
					if ( 'calculation' !== $field_type ) {
						if ( in_array( $field_type, array( 'stripe', 'stripe-ocs', 'paypal' ), true ) ) {
							$dependent_fields = $field_object->get_amount_dependent_fields( $field_settings );
							$depends          = self::dependencies_not_ready( $dependent_fields, $visible_fields );
							if ( $depends ) {
								$unspecified[ $field_id ] = true;
								continue;
							}
							$amount = $field_object->get_payment_amount( $field_settings );

$visible_fields[ $field_id ] = $amount;
							if ( ! empty( self::$prepared_data[ $field_id ] ) ) {
								self::$prepared_data['payment_transaction_id'] = self::$prepared_data[ $field_id ];
							}
							self::$prepared_data[ $field_id ] = $amount;
							// Save 'stripe_field' and 'paypal_field'.
							$payment_key = str_replace( '-ocs', '', $field_type ) . '_field';

self::$info[ $payment_key ] = $field_settings;
						} else {
							$not_calculable                              = $calculable_value === $field_object::FIELD_NOT_CALCULABLE;
							$visible_fields[ $field_id . $group_suffix ] = $not_calculable ? $submitted_field_data : $calculable_value;
							if ( $not_calculable ) {
								self::$not_calculable[] = $field_id . $group_suffix;
							}

$visible_fields = self::prepare_subfields( $visible_fields, $field_settings, $field_object, $group_suffix );

$method = 'handle_' . $field_type . '_field';
							if ( method_exists( self::class, $method ) ) {
								if ( ! $group_suffix ) {
									$dependent_fields = self::$method( $field_settings );
								} else {
									$cloned_field_settings                = $field_settings;
									$cloned_field_settings['element_id'] .= $group_suffix;
									$dependent_fields                     = self::$method( $cloned_field_settings );
								}
								if ( is_array( $dependent_fields ) && $dependent_fields ) {
									$depends = self::dependencies_not_ready( $dependent_fields, $visible_fields );
									if ( $depends ) {
										$unspecified[ $field_id . $group_suffix ] = true;
										unset( $visible_fields[ $field_id . $group_suffix ], self::$prepared_data[ $field_id . $group_suffix ] );
									}
								}
							}
						}
						continue;
					} elseif ( $field->parent_group ) {
						$grouped_fields   = self::$module_object->get_grouped_fields_slugs( $field->parent_group );
						$calculable_value = $field_object::get_calculable_repeater_value( $submitted_field_data, $field_settings, $group_suffix, $grouped_fields );
					}
					// handle calculation field.
					$formula           = $calculable_value;
					$formula           = self::maybe_replace_groupped_fields( $formula );
					$fields_in_formula = self::calculator_pull_fields( $formula );
					$depends           = self::dependencies_not_ready( $fields_in_formula[1], $visible_fields );
					if ( $depends ) {
						$unspecified[ $field_id . $group_suffix ] = $formula;
						continue;
					}
					$result = self::calculate_formula( $formula, $visible_fields, $field_settings );

$visible_fields[ $field_id . $group_suffix ] = $result;

// Store result of calculation field.
					self::$prepared_data[ $field_id . $group_suffix ] = $result;

$formatting_result = Forminator_Field::forminator_number_formatting( $field_settings, $result );

$calculation_entry_data = array(
						'name'  => $field_id . $group_suffix,
						'value' => array(
							'result'            => $result,
							'formatting_result' => $formatting_result,
						),
					);

self::$info['field_data_array'][] = $calculation_entry_data;
				} while ( ! empty( $field->parent_group )
					&& in_array( ( ++$i ), $group_copies, true )
				);
			}
		} while ( $unspecified && $previous_unspecified !== $unspecified );

if ( $unspecified ) {
			// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log
			error_log( '[Forminator] Unspecified fields ' . wp_json_encode( array_keys( $unspecified ) ) );
			self::$hidden_fields = array_merge( self::$hidden_fields, array_keys( $unspecified ) );
		}

/**
		 * Filter Handled submitted data on Custom Form
		 *
		 * @param array $prepared_data
		 * @param Forminator_Form_Model $module_object
		 *
		 * @return array
		 */
		self::$prepared_data = apply_filters( 'forminator_prepared_data', self::$prepared_data, self::$module_object );
	}

/**
	 * Add $field_id and its subfields to $hidden_fields array
	 *
	 * @param string $field_id Field slug.
	 * @param string $group_prefix Group prefix.
	 * @param array  $field_settings Field settings.
	 */
	private static function update_hidden_fields_array( $field_id, $group_prefix, $field_settings ) {
		$full_id               = $field_id . $group_prefix;
		self::$hidden_fields[] = $full_id;
		$to_zero               = ! empty( $field_settings['hidden_behavior'] ) && 'zero' === $field_settings['hidden_behavior'];
		if ( $to_zero ) {
			self::$replace_to_zero[] = $full_id;
		}
		if ( 'group-' === substr( $field_id, 0, 6 ) ) {
			$group_fields = self::$module_object->get_grouped_fields( $field_id );
			foreach ( $group_fields as $field ) {
				$subfield_settings = $field->to_formatted_array();
				self::update_hidden_fields_array( $field->slug, '', $subfield_settings );
			}
			return;
		}
		unset( self::$prepared_data[ $full_id ] );
		$field_suffix = Forminator_Form_Entry_Model::field_suffix();
		foreach ( $field_suffix as $suffix ) {
			$mod_field_id          = $field_id . '-' . $suffix . $group_prefix;
			self::$hidden_fields[] = $mod_field_id;
			unset( self::$prepared_data[ $mod_field_id ] );
			if ( $to_zero ) {
				self::$replace_to_zero[] = $mod_field_id;
			}
		}
	}

/**
	 * Check if all dependent fields are already defined
	 *
	 * @param array $dependent_fields Dependent fields.
	 * @param array $visible_fields Visible fields.
	 * @return boolean
	 */
	private static function dependencies_not_ready( $dependent_fields, $visible_fields ) {
		$unspecified_depend_fields = array_diff( $dependent_fields, array_keys( $visible_fields ), self::$hidden_fields );
		if ( $unspecified_depend_fields ) {
			return true;
		}

return false;
	}

/**
	 * Prepare subfields
	 *
	 * @param array  $visible_fields Visible fields.
	 * @param array  $field_settings Field settings.
	 * @param object $field_object Field object.
	 * @param string $group_prefix Group prefix.
	 */
	private static function prepare_subfields( $visible_fields, $field_settings, $field_object, $group_prefix = '' ) {
		$base_id  = Forminator_Field::get_property( 'element_id', $field_settings );
		$field_id = $base_id . $group_prefix;
		if ( isset( self::$prepared_data[ $field_id ] ) ) {
			return $visible_fields;
		}
		$field_type   = Forminator_Field::get_property( 'type', $field_settings );
		$field_suffix = Forminator_Form_Entry_Model::field_suffix();

foreach ( $field_suffix as $suffix ) {
			$mod_field_id = $base_id . '-' . $suffix . $group_prefix;
			if ( isset( self::$prepared_data[ $mod_field_id ] ) ) {
				// Add subfield to $visible_fields array.
				$visible_fields[ $mod_field_id ]             = self::$prepared_data[ $mod_field_id ];
				self::$prepared_data[ $field_id ][ $suffix ] = self::$prepared_data[ $mod_field_id ];
			} elseif (
				isset( $_FILES[ $mod_field_id ] ) && // phpcs:ignore WordPress.Security.NonceVerification.Missing
				'postdata' === $field_type &&
				'post-image' === $suffix &&
				! self::$is_draft
			) {
				$post_image = $field_object->upload_post_image( $field_settings, $mod_field_id );
				if ( is_array( $post_image ) && $post_image['attachment_id'] > 0 ) {
					self::$prepared_data[ $field_id ]['post-image'] = $post_image;
					self::$prepared_data[ $mod_field_id ]           = $post_image;
				} else {
					self::$prepared_data[ $field_id ]['post-image'] = '';
					self::$prepared_data[ $mod_field_id ]           = '';
				}
			}
		}

return $visible_fields;
	}

/**
	 * Maybe replace groupped fields field like {calculation-1-*}, {number-2-*}... to real fields {calculation-1}, {number-1-2}
	 *
	 * @param string $formula Formula.
	 * @return string
	 */
	private static function maybe_replace_groupped_fields( $formula ) {
		$pattern = '/\{((?:calculation|number|slider|currency|radio|select|checkbox)\-\d+(?:-min|-max)?)\-\*\}/';
		preg_match_all( $pattern, $formula, $matches );

foreach ( $matches[1] as $main_field ) {
			$copied_fields = array();
			// If there is the main field - add it to the array.
			if ( isset( self::$prepared_data[ $main_field ] ) ) {
				$copied_fields = array( $main_field );
			}
			// If there are any field copy - add it to the array.
			foreach ( array_keys( self::$prepared_data ) as $key ) {
				if ( 0 === strpos( $key, $main_field . '-' ) ) {
					$copied_fields[] = $key;
				}
			}
			$value = 0;
			if ( 'calculation-' === substr( $main_field, 0, 12 ) ) {
				$value = '{' . $main_field . '}';
			}
			if ( $copied_fields ) {
				$value = '({' . implode( '}+{', $copied_fields ) . '})';
			}
			$formula = str_replace( '{' . $main_field . '-*}', $value, $formula );
		}
		return $formula;
	}

/**
	 * Pull fields from formula
	 *
	 * @param string $formula Formula.
	 * @return array
	 */
	public static function calculator_pull_fields( $formula ) {
		$field_types             = Forminator_Core::get_field_types();
		$increment_field_pattern = sprintf( '(%s)-\d+', implode( '|', $field_types ) );
		$pattern                 = '/\{((' . $increment_field_pattern . ')(\-[A-Za-z-_]+)?(\-[A-Za-z0-9-_]+)?)\}/';
		preg_match_all( $pattern, $formula, $matches );

return $matches;
	}

/**
	 * Calculate formula.
	 *
	 * @param string $formula Formula.
	 * @param array  $visible_fields Not hidden field values.
	 * @param array  $field_settings Field settings.
	 * @return int
	 */
	public static function calculate_formula( $formula, $visible_fields, $field_settings ) {
		$formula           = self::maybe_replace_groupped_fields( $formula ); // todo: remove it, cuz it was already replaced.
		$fields_in_formula = self::calculator_pull_fields( $formula );

// later usage for str_replace.
		$full_matches      = $fields_in_formula[0];
		$converted_formula = $formula;
		foreach ( $fields_in_formula[1] as $key => $field_id ) {
			if ( ! isset( $full_matches[ $key ] ) ) {
				continue;
			}

if ( in_array( $field_id, self::$hidden_fields, true ) || in_array( $field_id, self::$not_calculable, true ) ) {
				// skip validation, hidden values = 0 or 1.
				$value = self::replace_to( $field_id, $converted_formula );
			} else {
				$value = $visible_fields[ $field_id ];
			}

// Replace only the first occurence.
			$find_str          = $full_matches[ $key ];
			$replace_with      = '(' . ( $value ) . ')';
			$converted_formula = implode( $replace_with, explode( $find_str, $converted_formula, 2 ) );
		}

$precision  = Forminator_Calculation::get_calculable_precision( $field_settings );
		$calculator = new Forminator_Calculator( $converted_formula );
		$calculator->set_is_throwable( true );

try {
			$result = round( floatval( $calculator->calculate() ), $precision );
		} catch ( Forminator_Calculator_Exception $e ) {
			$result = round( 0.0, $precision );
		}

return $result;
	}

/**
	 * Handle captcha field
	 *
	 * @param array $field_settings Field settings.
	 */
	private static function handle_captcha_field( $field_settings ) {
		self::$info['captcha_settings'] = $field_settings;
	}

/**
	 * Handle postdata field
	 *
	 * @param array $field_settings Field settings.
	 */
	private static function handle_postdata_field( $field_settings ) {
		$field_id      = Forminator_Field::get_property( 'element_id', $field_settings );
		$post_type     = Forminator_Field::get_property( 'post_type', $field_settings, 'post' );
		$category_list = forminator_post_categories( $post_type );
		if ( ! empty( $category_list ) ) {
			foreach ( $category_list as $category ) {
				$mod_field_id = $field_id . '-' . $category['value'];
				if ( isset( self::$prepared_data[ $mod_field_id ] ) ) {
					self::$prepared_data[ $field_id ][ $category['value'] ] = self::$prepared_data[ $mod_field_id ];
				}
			}
		}
		$custom_vars = Forminator_Field::get_property( 'post_custom_fields', $field_settings );
		$custom_meta = Forminator_Field::get_property( 'options', $field_settings );
		if ( empty( $custom_vars ) || empty( $custom_meta ) || self::$is_draft ) {
			return;
		}
		$dependent_fields = array();
		foreach ( $custom_meta as $meta ) {
			$value = ! empty( $meta['value'] ) ? trim( $meta['value'] ) : '';
			$label = $meta['label'];

if ( strpos( $value, '{' ) !== false && strpos( $value, '{upload' ) === false ) {
				$prepared_value  = forminator_replace_form_data( $value, self::$module_object );
				$replaced_fields = self::get_replaced_fields( $value, $prepared_value );
				if ( $replaced_fields ) {
					$dependent_fields = array_merge( $dependent_fields, $replaced_fields );
				}
				$value = forminator_replace_variables( $prepared_value, self::$module_id );
			} elseif ( isset( self::$prepared_data[ $value ] ) ) {
				$value = self::$prepared_data[ $value ];
			}

// Store data that will be used later by upload fields.
			if ( strpos( $value, '{upload' ) !== false ) {
				self::$info['upload_in_customfield'][] = array(
					'postdata_id' => $field_id,
					'upload_id'   => trim( $value, '{}' ),
					'uploads'     => '',
				);
			}

self::$prepared_data[ $field_id ]['post-custom'][] = array(
				'key'   => $label,
				'value' => $value,
			);
		}

return array_unique( $dependent_fields );
	}

/**
	 * Handle date field
	 *
	 * @param array $field_settings Field settings.
	 */
	private static function handle_date_field( $field_settings ) {
		$file_type = Forminator_Field::get_property( 'field_type', $field_settings );
		if ( 'picker' !== $file_type ) {
			$field_id    = Forminator_Field::get_property( 'element_id', $field_settings );
			$date_format = Forminator_Field::get_property( 'date_format', $field_settings );

self::$prepared_data[ $field_id ]['format'] = datepicker_default_format( $date_format );
		}
	}

/**
	 * Handle Time field
	 *
	 * @param array $field_settings Field settings.
	 */
	private static function handle_time_field( $field_settings ) {
		$time_type = Forminator_Field::get_property( 'time_type', $field_settings, 'twelve' );

if ( 'twelve' === $time_type ) {
			$field_id = Forminator_Field::get_property( 'element_id', $field_settings );
			$time     = self::$prepared_data[ $field_id ];

if ( empty( $time['hours'] ) && empty( $time['minutes'] ) ) {
				unset( self::$prepared_data[ $field_id ] );
			}
		}
	}

/**
	 * Handle url field
	 *
	 * @param array $field_settings Field settings.
	 */
	private static function handle_url_field( $field_settings ) {
		$form_field_obj = Forminator_Core::get_field_object( 'url' );
		$field_id       = Forminator_Field::get_property( 'element_id', $field_settings );

self::$prepared_data[ $field_id ] = $form_field_obj->add_scheme_url( self::$prepared_data[ $field_id ] );
	}

/**
	 * Handle upload field
	 *
	 * @param array $field_settings Field settings.
	 */
	private static function handle_upload_field( $field_settings ) {
		if ( self::$is_draft ) {
			return;
		}

$file_type     = Forminator_Field::get_property( 'file-type', $field_settings, 'single' );
		$upload_method = Forminator_Field::get_property( 'upload-method', $field_settings, 'ajax' );
		$field_id      = Forminator_Field::get_property( 'element_id', $field_settings );

$form_upload_data = isset( self::$prepared_data['forminator-multifile-hidden'] )
			? self::$prepared_data['forminator-multifile-hidden']
			: array();

if ( 'multiple' === $file_type && 'ajax' === $upload_method ) {
			$upload_data = isset( $form_upload_data[ $field_id ] ) ? $form_upload_data[ $field_id ] : array();
		} else {
			$upload_data = isset( $_FILES[ $field_id ] ) ? $_FILES[ $field_id ] : array(); // phpcs:ignore WordPress.Security.NonceVerification.Missing, WordPress.Security.ValidatedSanitizedInput
		}

if ( ! empty( $upload_data ) ) {
			self::$has_upload                         = true;
			self::$prepared_data[ $field_id ]['file'] = $upload_data;
		} else {
			self::$prepared_data[ $field_id ] = '';
		}
	}

/**
	 * Handle rating field
	 *
	 * @param array $field_settings Field settings.
	 */
	private static function handle_rating_field( $field_settings ) {
		$max_rating                       = Forminator_Field::get_property( 'max_rating', $field_settings, 5 );
		$field_id                         = Forminator_Field::get_property( 'element_id', $field_settings );
		$rating_value                     = self::$prepared_data[ $field_id ] ?? 0;
		self::$prepared_data[ $field_id ] = $rating_value . '/' . $max_rating;
	}

/**
	 * Upload or transfer uploads
	 * For single and multiple-on-submit uploads,
	 * we upload directly when form doesnt have any payment fields.
	 * If form has payment fields, uploads go to forminator_temp folder first
	 * so that when there is an error, the uploads in the forminator_temp folder
	 * can be cleared after 24hrs.
	 *
	 * @param string $mode - upload/transfer.
	 */
	private static function process_uploads( $mode ) {
		if ( self::$is_draft || ! self::$has_upload ) {
			return;
		}

$fields = self::$info['field_data_array'];
		foreach ( $fields as $key => $field ) {
			if (
				! isset( $field['field_type'] ) ||
				'upload' !== $field['field_type']
			) {
				continue;
			}

$field_id       = $field['name'];
			$field_settings = $field['field_array'];
			$file_type      = Forminator_Field::get_property( 'file-type', $field_settings, 'single' );
			$upload_method  = Forminator_Field::get_property( 'upload-method', $field_settings, 'ajax' );
			$form_field_obj = Forminator_Core::get_field_object( 'upload' );

if ( 'upload' === $mode ) {

if ( 'multiple' === $file_type && 'ajax' === $upload_method ) {
					continue;
				} elseif ( 'multiple' === $file_type && 'submission' === $upload_method ) {
					$form_upload_data = isset( $_FILES[ $field_id ] ) ? $_FILES[ $field_id ] : array(); // phpcs:ignore WordPress.Security.NonceVerification.Missing, WordPress.Security.ValidatedSanitizedInput
					$upload_data      = $form_field_obj->handle_submission_multifile_upload( self::$module_id, $field_settings, $form_upload_data, self::$has_payment );
				} elseif ( 'single' === $file_type ) {
					$upload_data = $form_field_obj->handle_file_upload(
						self::$module_id,
						$field_settings,
						array(),
						self::$has_payment ? 'upload' : 'submit'
					);
				}
			} elseif ( 'transfer' === $mode ) {
				$form_upload_data = $field['value'];

if ( 'multiple' === $file_type && 'ajax' === $upload_method ) {
					$upload_data = $form_field_obj->handle_ajax_multifile_upload( self::$module_id, $form_upload_data, $field_settings );
				} elseif (
					self::$has_payment &&
					( 'single' === $file_type || ( 'multiple' === $file_type && 'ajax' !== $upload_method ) )
				) {
					$upload_data = $form_field_obj->transfer_upload( self::$module_id, $form_upload_data, $field_settings );
				} elseif ( ! self::$has_payment && ! empty( $form_upload_data['file'] ) ) {
					$upload_data = $form_upload_data['file'];
				}
			}

if ( isset( $upload_data['success'] ) && $upload_data['success'] ) {
				self::$prepared_data[ $field_id ]['file']                = $upload_data;
				self::$info['field_data_array'][ $key ]['value']['file'] = $upload_data;

if (
					( 'single' === $file_type && ! self::$has_payment ) ||
					'transfer' === $mode
				) {
					// If upload is successful, add the upload data to custom field if tag is present.
					if ( ! empty( self::$info['upload_in_customfield'] ) ) {
						$file_url = $upload_data['file_url'];
						if ( 'multiple' === $file_type ) {
							$file_url = implode( ', ', $upload_data['file_url'] );
						}

foreach ( self::$info['upload_in_customfield'] as $cf_key => $cf ) {
							if ( $field_id === $cf['upload_id'] ) {
								self::$info['upload_in_customfield'][ $cf_key ]['uploads'] = $file_url;
							}
						}
					}
				}
			} elseif ( isset( $upload_data['success'] ) && false === $upload_data['success'] ) {
				$error = isset( $upload_data['message'] ) ? $upload_data['message'] : self::get_invalid_form_message();

self::$submit_errors[][ $field_id ] = $error;
			} else {
				// no file uploaded for this field_id.
				self::$prepared_data[ $field_id ] = '';
			}
		}

self::check_errors();
	}

/**
	 * Handle select field
	 *
	 * @param array $field_settings Field settings.
	 */
	private static function handle_select_field( $field_settings ) {
		$is_limit = Forminator_Field::get_property( 'limit_status', $field_settings );
		if ( self::$is_draft || 'enable' !== $is_limit ) {
			return;
		}
		$field_id     = Forminator_Field::get_property( 'element_id', $field_settings );
		$options      = Forminator_Field::get_property( 'options', $field_settings );
		$value_type   = Forminator_Field::get_property( 'value_type', $field_settings );
		$select_array = (array) ( self::$prepared_data[ $field_id ] ?? array() );
		foreach ( $options as $o => $option ) {
			if ( in_array( strval( $option['value'] ), array_map( 'strval', $select_array ), true ) ) {
				self::$info['select_field_value'][ $field_id ][ $o ] = array(
					'limit' => $option['limit'],
					'value' => $option['value'],
					'label' => $option['label'],
					'type'  => $value_type,
				);
			}
		}
	}

/**
	 * Apply updated values to hidden-type fields after submission
	 *
	 * @param array $field_settings Field settings.
	 */
	private static function handle_hidden_field( $field_settings ) {
		if ( ! empty( $field_settings['element_id'] ) && ! empty( $field_settings['default_value'] ) ) {
			$exclude_key = array( 'query', 'embed_id', 'embed_title', 'embed_url' );
			if ( 'submission_time' === $field_settings['default_value'] ) {
				self::$prepared_data[ $field_settings['element_id'] ] = date_i18n( 'g:i:s a, T', forminator_local_timestamp(), true );
			} elseif ( ! in_array( $field_settings['default_value'], $exclude_key, true ) ) {
				$form_field_obj                                       = Forminator_Core::get_field_object( 'hidden' );
				self::$prepared_data[ $field_settings['element_id'] ] = esc_html( $form_field_obj->get_value( $field_settings ) );
			}
		}
	}

/**
	 * Apply updated values to hidden-type fields after entry is saved
	 *
	 * @param array $entry Entry.
	 * @param int   $module_id Module Id.
	 */
	private static function handle_hidden_fields_after_entry_save( $entry, $module_id = null ) {
		foreach ( self::$info['field_data_array'] as $key => $field ) {
			if ( 0 === strpos( $field['name'], 'hidden-' ) ) {
				switch ( $field['field_array']['default_value'] ) {
					case 'custom_value':
						self::$info['field_data_array'][ $key ]['value'] = esc_html( $field['field_array']['custom_value'] );
						break;

default:
						self::$info['field_data_array'][ $key ]['value'] = trim(
							forminator_replace_variables(
								'{' . $field['value'] . '}',
								self::$module_id,
								$entry
							),
							'{}'
						);
						break;
				}

if ( 'submission_id' === $field['value'] ) {
					self::$info['field_data_array'][ $key ]['value'] = $entry->entry_id;
				}
			}
		}
	}

/**
	 * Get replaved fields by forminator_replace_form_data method
	 *
	 * @param string $old_value Old value.
	 * @param string $new_value New value.
	 * @return array
	 */
	private static function get_replaced_fields( $old_value, $new_value ) {
		$replaced_fields = array();
		if ( $old_value === $new_value ) {
			return $replaced_fields;
		}
		$pattern = '/{([^}]+)}/';
		preg_match_all( $pattern, $old_value, $matches1 );
		preg_match_all( $pattern, $new_value, $matches2 );
		$replaced_fields = array_diff( $matches1[1], $matches2[1] );

return $replaced_fields;
	}

/**
	 * Returns what the current field should be replaced to (0 or 1)
	 *
	 * @param string $field_id Field id.
	 * @param string $formula Formula.
	 * @return int 0|1
	 */
	public static function replace_to( $field_id, $formula ) {
		$replace = 0;
		if ( in_array( $field_id, self::$replace_to_zero, true ) ) {
			return $replace;
		}
		$quoted_operand = preg_quote( '{' . $field_id . '}', '/' );
		$pattern        = '/([\\+\\-\\*\\/]?)[^\\+\\-\\*\\/\$]*' . $quoted_operand
				. '[^\$\\+\\-\\*\\/]*([\\+\\-\\*\\/]?)/';

$matches = array();
		if ( preg_match( $pattern, $formula, $matches ) ) {
			// if operand in multiplication or division set value = 1.
			if ( '*' === $matches[1] || '/' === $matches[1] || '*' === $matches[2] || '/' === $matches[2] ) {
				$replace = 1;
			}
		}

return $replace;
	}

/**
	 * Create new post from postdata field
	 * Add upload file urls to postdata custom fields if necessary
	 *
	 * @param array $postdata_fields Fields with postdata type.
	 * @return array
	 */
	public static function create_post_from_postdata( $postdata_fields ) {
		$postdata_result = array();
		foreach ( $postdata_fields as $postdata_field ) {
			$field_id       = $postdata_field['name'];
			$field_data     = $postdata_field['value'];
			$field_array    = $postdata_field['field_array'];
			$form_field_obj = $postdata_field['form_field_obj'];

// check if field_data of post values not empty (happen when postdata is not required).
			$filtered   = array_filter( $field_data );
			$post_value = $field_data;
			if ( ! empty( $filtered ) ) {
				if ( isset( $filtered['post-custom'] ) ) {
					foreach ( $filtered['post-custom'] as $custom_field_index => $custom_field ) {
						if ( preg_match( '/\{upload-(\d+)\}/', $custom_field['value'] ) ) {
							$upload_id = trim( $custom_field['value'], '{}' );

foreach ( self::$info['upload_in_customfield'] as $cf_data ) {
								if ( $upload_id === $cf_data['upload_id'] && $field_id === $cf_data['postdata_id'] ) {
									$field_data['post-custom'][ $custom_field_index ]['value'] = $cf_data['uploads'];
								}
							}
						}
					}
				}

$post_id = $form_field_obj->save_post( $field_array, $field_data );
				if ( $post_id ) {
					$field_data = array(
						'postdata' => $post_id,
						'value'    => $field_data,
					);
				} else {
					return array(
						'type'     => 'error',
						'field_id' => $field_id,
						'value'    => esc_html__( 'There was an error saving the post data. Please try again', 'forminator' ),
					);
				}
			} else {
				$field_data = array(
					'postdata' => null,
					'value'    => $post_value,
				);
			}

$postdata_result[] = array(
				'type'       => 'success',
				'field_id'   => $field_id,
				'field_data' => $field_data,
			);
		}

return $postdata_result;
	}

/**
	 * Retrieve the backup code if lost phone.
	 *
	 * @return void
	 */
	public function fallback_email() {
		$defender_data    = forminator_defender_compatibility();
		$two_fa_component = new $defender_data['two_fa_component']();
		$post_data        = $this->get_post_data();
		$token            = isset( $post_data['token'] ) ? $post_data['token'] : '';
		$ret              = $two_fa_component->send_otp_to_email( $token );
		if ( false === $ret ) {
			wp_send_json_error(
				array(
					'message' => esc_html__( 'Please try again.', 'forminator' ),
				)
			);
		}

if ( is_wp_error( $ret ) ) {
			wp_send_json_error(
				array(
					'message' => $ret->get_error_message(),
				)
			);
		}

wp_send_json_success(
			array(
				'message' => esc_html__( 'Your code has been sent to your email.', 'forminator' ),
			)
		);
	}

/**
	 * Get the first email in submitted data
	 *
	 * @param array $submitted_data Submitted data.
	 *
	 * @since 1.17.0
	 */
	private static function get_first_email( $submitted_data ) {
		foreach ( $submitted_data as $key => $val ) {
			if ( false !== strpos( $key, 'email-' ) && ! empty( $val ) ) {
				return $val;
			}
		}

return null;
	}

/**
	 * Create draft ID
	 *
	 * @param int $form_id Form Id.
	 *
	 * @since 1.17.0
	 */
	public function create_draft_id( $form_id ) {
		// Must guarantee alphanumeric.
		$draft_id  = wp_rand( 0, 9 );
		$draft_id .= substr( str_shuffle( 'abcdefghijklmnopqrstvwxyz' ), 0, 1 );
		$draft_id .= substr( str_replace( '-', '', wp_generate_uuid4() ), 0, 10 );

return apply_filters( 'forminator_create_draft_id', $draft_id, $form_id );
	}

/**
	 * Set the Draft ID
	 */
	public function set_entry_draft_id() {
		// 1st draft save.
		if ( self::$is_draft && is_null( self::$previous_draft_id ) ) {
			return $this->create_draft_id( self::$module_id );

// Succeeding draft saves.
		} elseif ( self::$is_draft && ! is_null( self::$previous_draft_id ) ) {
			return self::$previous_draft_id;
		}
	}

/**
	 * Get draft notification from form notifications
	 *
	 * @param array $notifications Notification.
	 * @param array $data Data.
	 *
	 * @since 1.17.0
	 */
	public function get_draft_notification( $notifications, $data ) {
		foreach ( $notifications as $key => $notif ) {
			if ( false !== array_search( 'save_draft', $notif, true ) ) {
				$notifications[ $key ]['recipients']   = str_replace( '{save_and_continue_email}', $data['email-1'], $notif['recipients'] );
				$email_msg                             = $notif['email-editor'];
				$email_msg                             = str_replace( '{form_link}', $data['draft_link'], $email_msg );
				$email_msg                             = str_replace( '{retention_period}', $data['retention_period'], $email_msg );
				$notifications[ $key ]['email-editor'] = $email_msg;

return $notifications[ $key ];
			}
		}

return false;
	}

/**
	 * Draft link email submission
	 *
	 * @since 1.17.0
	 */
	public function submit_email_draft_link() {
		$draft_id = Forminator_Core::sanitize_text_field( 'draft_id' );
		$nonce    = 'forminator_nonce_email_draft_link_' . $draft_id;
		if ( ! check_ajax_referer( $nonce, $nonce ) ) {
			wp_send_json_error( esc_html__( 'Invalid request, you are not allowed to do that action.', 'forminator' ) );
		}

$submitted_data = Forminator_Core::sanitize_array( $_POST );
		$form_id        = $submitted_data['form_id'];
		$email          = $submitted_data['email-1'];

if ( empty( $email ) ) {

wp_send_json_error(
				array(
					'field'   => 'email-1',
					'message' => apply_filters(
						'forminator_draft_email_required',
						esc_html__( 'Email is required.', 'forminator' ),
						$form_id
					),
				)
			);
		} elseif ( ! filter_var( $email, FILTER_VALIDATE_EMAIL ) ) {

wp_send_json_error(
				array(
					'field'   => 'email-1',
					'message' => apply_filters(
						'forminator_draft_email_invalid',
						esc_html__( 'Please enter a valid email.', 'forminator' ),
						$form_id
					),
				)
			);
		}

// Send email.
		$custom_form = Forminator_Form_Model::model()->load( $form_id );
		if ( ! is_object( $custom_form ) ) {
			wp_send_json_error(
				array(
					'message' => apply_filters(
						'forminator_draft_invalid_form_id',
						esc_html__( 'Invalid form ID.', 'forminator' ),
						$form_id
					),
				)
			);
		}

$draft_notifications = $this->get_draft_notification( $custom_form->notifications, $submitted_data );
		unset( $custom_form->notifications );
		$custom_form->notifications[] = $draft_notifications;
		$forminator_mail_sender       = new Forminator_CForm_Front_Mail();
		$draft_entry                  = new Forminator_Form_Entry_Model( $draft_id );
		$mail_sent                    = $forminator_mail_sender->process_mail( $custom_form, $draft_entry, $submitted_data );
		$response['draft_mail_sent']  = $mail_sent;

if ( $mail_sent ) {
			$response['draft_mail_message'] = sprintf(
				'<p>%s</p><a href="#" class="draft-resend-mail">%s</a>',
				esc_html__( 'We\'ve sent the resume form link to your email address. Please check your spam folder if you can\'t find the link in your inbox.', 'forminator' ),
				esc_html__( 'Change email', 'forminator' )
			);
		} else {
			$response['draft_mail_message'] = sprintf(
				'<p>%s</p><a href="#" class="draft-resend-mail">%s</a>',
				esc_html__( 'We couldn\'t send the form resume link to your email at this time. Click on the link below to resend it or manually copy and save the link in a safe place.', 'forminator' ),
				esc_html__( 'Resend link', 'forminator' )
			);
		}

wp_send_json_success( $response );
	}
}