<?php

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/**

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* Fluent Forms class

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*

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* @package ZeroSpam

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*/

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namespace ZeroSpam\Modules\FluentForms;

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// Security Note: Blocks direct access to the plugin PHP files.

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defined( 'ABSPATH' ) || die();

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/**

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* Fluent Forms

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*/

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class FluentForms {

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/**

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* Constructor

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*/

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public function __construct() {

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

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}

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/**

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* Fires after WordPress has finished loading but before any headers are sent.

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*/

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public function init() {

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add_filter( 'zerospam_setting_sections', array( $this, 'sections' ) );

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add_filter( 'zerospam_settings', array( $this, 'settings' ), 10, 1 );

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add_filter( 'zerospam_types', array( $this, 'types' ), 10, 1 );

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if (

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'enabled' === \ZeroSpam\Core\Settings::get_settings( 'verify_fluentforms' ) &&

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\ZeroSpam\Core\Access::process()

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) {

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// Load scripts.

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add_action( 'fluentform_load_form_assets', array( $this, 'scripts' ), 10 );

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// Adds Zero Spam's honeypot field.

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add_filter( 'fluentform_rendering_form', array( $this, 'render_form' ), 10, 1 );

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// Processes the form.

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add_action( 'fluentform_before_insert_submission', array( $this, 'process_form' ), 10, 3 );

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// Validates email addresses.

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add_filter( 'fluentform_validate_input_item_input_email', array( $this, 'validate_email' ), 10, 5 );

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}

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}

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/**

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* Fires before a form is rendered.

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*/

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public function scripts() {

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do_action( 'zerospam_fluentforms_scripts' );

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}

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/**

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* Adds Zero Spam's custom form fields.

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*

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* @see https://fluentforms.com/docs/fluentform_rendering_form/

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*

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* @param $form The $form Object.

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*/

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public function render_form( $form ) {

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// Add Zero Spam's honeypot field.

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$honeypot_field_name = \ZeroSpam\Core\Utilities::get_honeypot();

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$form->fields['fields'][] = array(

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'element' => 'input_hidden',

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'attributes' => array(

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'type' => 'hidden',

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'name' => $honeypot_field_name,

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'value' => '',

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),

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);

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return $form;

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}

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/**

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* Processes a Fluent Form submission after it's validation is completed.

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*

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* @see https://fluentforms.com/docs/fluentform_before_insert_submission/

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*

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* @param array $insert_data submission_data Array.

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* @param array $data $_POST[‘data’] from submission.

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* @param object $form The $form Object.

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*/

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public function process_form( $insert_data, $data, $form ) {

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$error_message = \ZeroSpam\Core\Utilities::detection_message( 'fluentforms_spam_message' );

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// Check Zero Spam's honeypot field.

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$honeypot_field_name = \ZeroSpam\Core\Utilities::get_honeypot();

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// Create the details array for logging & sharing data.

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$details = array(

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'insert_data' => $insert_data,

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'data' => $data,

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'form' => array(

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'id' => $form->id,

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'title' => $form->title,

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),

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);

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if ( ! isset( $data[ $honeypot_field_name ] ) || ! empty( $data[ $honeypot_field_name ] ) ) {

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// Failed the honeypot check.

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$details['failed'] = 'honeypot';

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// Log the detection if enabled.

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if ( 'enabled' === \ZeroSpam\Core\Settings::get_settings( 'log_blocked_fluentforms' ) ) {

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\ZeroSpam\Includes\DB::log( 'fluent_form', $details );

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}

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// Share the detection if enabled.

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if ( 'enabled' === \ZeroSpam\Core\Settings::get_settings( 'share_data' ) ) {

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$details['type'] = 'fluent_form';

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do_action( 'zerospam_share_detection', $details );

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}

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wp_send_json(

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array(

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'errors' => array(

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'zerospam_honeypot' => $error_message,

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),

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),

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422

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);

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}

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// Fire hook for additional validation (ex. David Walsh script).

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$errors = apply_filters( 'zerospam_preprocess_fluentform_submission', array(), $data, 'fluentforms_spam_message' );

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if ( ! empty( $errors ) ) {

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$errors_array = array();

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foreach ( $errors as $key => $message ) {

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$errors_array[ $key ] = $message;

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$details['failed'] = str_replace( 'zerospam_', '', $key );

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// Log the detection if enabled.

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if ( 'enabled' === \ZeroSpam\Core\Settings::get_settings( 'log_blocked_fluentforms' ) ) {

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\ZeroSpam\Includes\DB::log( 'fluent_form', $details );

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}

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// Share the detection if enabled.

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if ( 'enabled' === \ZeroSpam\Core\Settings::get_settings( 'share_data' ) ) {

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$details['type'] = 'fluent_form';

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do_action( 'zerospam_share_detection', $details );

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}

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}

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wp_send_json(

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array(

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'errors' => $errors_array,

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),

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422

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);

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}

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}

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/**

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* Validates email inputs.

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*

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* @see https://fluentforms.com/docs/fluentform_validate_input_item_input_text/

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*

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* @param string $error Error message.

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* @param array $field Contains the fill field settings.

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* @param array $form_data Contains all the user input values as key pair.

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* @param array $fields All fields of the form.

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* @param object $form The $form Object.

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*/

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public function validate_email( $error, $field, $form_data, $fields, $form ) {

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$field_name = $field['name'];

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if ( empty( $form_data[ $field_name ] ) ) {

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return $error;

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}

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// Check blocked email domains.

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if (

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! empty( $form_data[ $field_name ] ) &&

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\ZeroSpam\Core\Utilities::is_email_domain_blocked( $form_data[ $field_name ] ) &&

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! \ZeroSpam\Core\Utilities::is_email( $form_data[ $field_name ] )

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) {

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$error_message = \ZeroSpam\Core\Utilities::detection_message( 'fluentforms_spam_message' );

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return array( $error_message );

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}

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return $error;

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}

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/**

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* Add to the types array

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*

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* @param array $types Array of available detection types.

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*/

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public function types( $types ) {

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$types['fluent_form'] = array(

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'label' => __( 'Fluent Form', 'zero-spam' ),

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'color' => '#0171ff',

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);

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return $types;

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}

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/**

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* Fluent Forms sections

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*

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* @param array $sections Array of available setting sections.

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*/

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public function sections( $sections ) {

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$sections['fluent_form'] = array(

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'title' => __( 'Fluent Forms', 'zero-spam' ),

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'icon' => 'modules/fluentforms/icon-fluent-forms.svg',

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);

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return $sections;

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}

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/**

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* Admin settings

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*

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* @param array $settings Array of available settings.

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*/

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public function settings( $settings ) {

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$options = get_option( 'zero-spam-fluent_form' );

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$settings['verify_fluentforms'] = array(

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'title' => __( 'Protect Fluent Form Submissions', 'zero-spam' ),

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'desc' => __( 'Protects & monitors Fluent Form submissions.', 'zero-spam' ),

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'section' => 'fluent_form',

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'module' => 'fluent_form',

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'type' => 'checkbox',

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'options' => array(

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'enabled' => false,

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),

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'value' => ! empty( $options['verify_fluentforms'] ) ? $options['verify_fluentforms'] : false,

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'recommended' => 'enabled',

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);

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$message = __( 'Your IP has been flagged as spam/malicious.', 'zero-spam' );

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$settings['fluentforms_spam_message'] = array(

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'title' => __( 'Flagged Message', 'zero-spam' ),

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'desc' => __( 'Message displayed when a submission has been flagged.', 'zero-spam' ),

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'section' => 'fluent_form',

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'module' => 'fluent_form',

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'type' => 'text',

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'field_class' => 'large-text',

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'placeholder' => $message,

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'value' => ! empty( $options['fluentforms_spam_message'] ) ? $options['fluentforms_spam_message'] : $message,

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'recommended' => $message,

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);

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$settings['log_blocked_fluentforms'] = array(

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'title' => __( 'Log Blocked Fluent Form Submissions', 'zero-spam' ),

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'section' => 'fluent_form',

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'module' => 'fluent_form',

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'type' => 'checkbox',

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'desc' => wp_kses(

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__( 'When enabled, stores blocked Fluent Form submissions in the database.', 'zero-spam' ),

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array( 'strong' => array() )

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),

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'options' => array(

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'enabled' => false,

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),

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'value' => ! empty( $options['log_blocked_fluentforms'] ) ? $options['log_blocked_fluentforms'] : false,

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'recommended' => 'enabled',

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);

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return $settings;

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}

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}

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