Edit File by line

<?php

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use WPForms\Vendor\TrueBV\Punycode;

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/**

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* Email text field.

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* @since 1.0.0

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class WPForms_Field_Email extends WPForms_Field {

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/**

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* Encoding.

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* @since 1.6.9

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const ENCODING = 'UTF-8';

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/**

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* Email type of sanitization.

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* @since 1.7.5

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const EMAIL = 'email';

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/**

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* Rules type of sanitization.

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* @since 1.7.5

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const RULES = 'rules';

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/**

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* Primary class constructor.

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* @since 1.0.0

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public function init() {

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// Define field type information.

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$this->name = esc_html__( 'Email', 'wpforms-lite' );

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$this->keywords = esc_html__( 'user', 'wpforms-lite' );

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$this->type = 'email';

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$this->icon = 'fa-envelope-o';

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$this->order = 170;

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$this->hooks();

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}

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/**

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* Hooks.

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* @since 1.8.1

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private function hooks() {

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// Define additional field properties.

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add_filter( 'wpforms_field_properties_email', [ $this, 'field_properties' ], 5, 3 );

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// Set field to default to required.

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add_filter( 'wpforms_field_new_required', [ $this, 'default_required' ], 10, 2 );

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// Set confirmation status to option wrapper class.

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add_filter( 'wpforms_builder_field_option_class', [ $this, 'field_option_class' ], 10, 2 );

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add_action( 'wp_ajax_wpforms_restricted_email', [ $this, 'ajax_check_restricted_email' ] );

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add_action( 'wp_ajax_nopriv_wpforms_restricted_email', [ $this, 'ajax_check_restricted_email' ] );

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add_action( 'wp_ajax_wpforms_sanitize_restricted_rules', [ $this, 'ajax_sanitize_restricted_rules' ] );

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add_action( 'wp_ajax_wpforms_sanitize_default_email', [ $this, 'ajax_sanitize_default_email' ] );

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add_filter( 'wpforms_save_form_args', [ $this, 'save_form_args' ], 11, 3 );

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add_filter( 'wpforms_builder_strings', [ $this, 'add_builder_strings' ], 10, 2 );

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// This field requires fieldset+legend instead of the field label.

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add_filter( "wpforms_frontend_modern_is_field_requires_fieldset_{$this->type}", [ $this, 'is_field_requires_fieldset' ], PHP_INT_MAX, 2 );

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}

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/**

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* Define additional field properties.

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* @since 1.3.7

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* @param array $properties List field properties.

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* @param array $field Field data and settings.

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* @param array $form_data Form data and settings.

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* @return array

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public function field_properties( $properties, $field, $form_data ) {

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// Prevent "spell-jacking" of email addresses.

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$properties['inputs']['primary']['attr']['spellcheck'] = 'false';

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if ( ! empty( $field['confirmation'] ) ) {

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$properties = $this->confirmation_field_properties( $properties, $field, $form_data );

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}

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if ( ! empty( $field['filter_type'] ) ) {

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$properties = $this->filter_type_field_properties( $properties, $field, $form_data );

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}

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return $properties;

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}

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/**

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* Define the confirmation field properties.

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* @since 1.6.3

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* @param array $properties List field properties.

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* @param array $field Field data and settings.

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* @param array $form_data Form data and settings.

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* @return array

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public function confirmation_field_properties( $properties, $field, $form_data ) {

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$form_id = absint( $form_data['id'] );

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$field_id = wpforms_validate_field_id( $field['id'] );

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// Email confirmation setting enabled.

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$props = [

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'inputs' => [

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'primary' => [

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'block' => [

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'wpforms-field-row-block',

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'wpforms-one-half',

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'wpforms-first',

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'class' => [

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'wpforms-field-email-primary',

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'sublabel' => [

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'hidden' => ! empty( $field['sublabel_hide'] ),

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'value' => esc_html__( 'Email', 'wpforms-lite' ),

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'secondary' => [

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'attr' => [

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'name' => "wpforms[fields][{$field_id}][secondary]",

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'value' => '',

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'placeholder' => ! empty( $field['confirmation_placeholder'] ) ? $field['confirmation_placeholder'] : '',

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'spellcheck' => 'false',

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'block' => [

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'wpforms-field-row-block',

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'wpforms-one-half',

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'class' => [

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'wpforms-field-email-secondary',

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'data' => [

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'rule-confirm' => '#' . $properties['inputs']['primary']['id'],

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'id' => "wpforms-{$form_id}-field_{$field_id}-secondary",

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'required' => ! empty( $field['required'] ) ? 'required' : '',

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'sublabel' => [

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'hidden' => ! empty( $field['sublabel_hide'] ),

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'value' => esc_html__( 'Confirm Email', 'wpforms-lite' ),

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'value' => '',

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];

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$properties = array_merge_recursive( $properties, $props );

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// Input Primary: adjust name.

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$properties['inputs']['primary']['attr']['name'] = "wpforms[fields][{$field_id}][primary]";

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// Input Primary: remove size and error classes.

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$properties['inputs']['primary']['class'] = array_diff(

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$properties['inputs']['primary']['class'],

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[

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'wpforms-field-' . sanitize_html_class( $field['size'] ),

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'wpforms-error',

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]

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);

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// Input Primary: add error class if needed.

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if ( ! empty( $properties['error']['value']['primary'] ) ) {

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$properties['inputs']['primary']['class'][] = 'wpforms-error';

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}

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// Input Secondary: add error class if needed.

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if ( ! empty( $properties['error']['value']['secondary'] ) ) {

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$properties['inputs']['secondary']['class'][] = 'wpforms-error';

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}

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// Input Secondary: add required class if needed.

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if ( ! empty( $field['required'] ) ) {

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$properties['inputs']['secondary']['class'][] = 'wpforms-field-required';

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}

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return $properties;

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}

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/**

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* Define the filter field properties.

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* @since 1.6.3

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* @param array $properties List field properties.

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* @param array $field Field data and settings.

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* @param array $form_data Form data and settings.

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* @return array

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public function filter_type_field_properties( $properties, $field, $form_data ) {

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if ( ! empty( $field['filter_type'] ) && ! empty( $field[ $field['filter_type'] ] ) ) {

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$properties['inputs']['primary']['data']['rule-restricted-email'] = true;

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}

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return $properties;

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}

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/**

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* Field should default to being required.

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* @since 1.0.9

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* @param bool $required

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* @param array $field

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* @return bool

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public function default_required( $required, $field ) {

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if ( 'email' === $field['type'] ) {

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return true;

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}

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return $required;

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}

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/**

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* Add class to field options wrapper to indicate if field confirmation is

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* enabled.

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* @since 1.3.0

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* @param string $class Class strings.

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* @param array $field Current field.

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* @return string

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public function field_option_class( $class, $field ) {

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if ( 'email' !== $field['type'] ) {

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return $class;

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}

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$class .= isset( $field['confirmation'] ) ? ' wpforms-confirm-enabled' : ' wpforms-confirm-disabled';

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if ( ! empty( $field['filter_type'] ) ) {

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$class .= ' wpforms-filter-' . $field['filter_type'];

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}

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return $class;

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}

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/**

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* Field options panel inside the builder.

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* @since 1.0.0

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* @param array $field

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public function field_options( $field ) {

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* Basic field options.

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// Options open markup.

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$args = [

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'markup' => 'open',

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];

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$this->field_option( 'basic-options', $field, $args );

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// Label.

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$this->field_option( 'label', $field );

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// Description.

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$this->field_option( 'description', $field );

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// Required toggle.

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$this->field_option( 'required', $field );

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// Confirmation toggle.

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$fld = $this->field_element(

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'toggle',

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$field,

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[

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'slug' => 'confirmation',

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'value' => isset( $field['confirmation'] ) ? '1' : '0',

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'desc' => esc_html__( 'Enable Email Confirmation', 'wpforms-lite' ),

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'tooltip' => esc_html__( 'Check this option to ask users to provide an email address twice.', 'wpforms-lite' ),

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false

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);

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$args = [

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'slug' => 'confirmation',

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'content' => $fld,

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];

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$this->field_element( 'row', $field, $args );

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// Options close markup.

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$args = [

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'markup' => 'close',

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];

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$this->field_option( 'basic-options', $field, $args );

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* Advanced field options.

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// Options open markup.

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$args = [

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'markup' => 'open',

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];

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$this->field_option( 'advanced-options', $field, $args );

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// Size.

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$this->field_option( 'size', $field );

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// Placeholder.

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$this->field_option( 'placeholder', $field );

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// Confirmation Placeholder.

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$lbl = $this->field_element(

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'label',

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$field,

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[

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'slug' => 'confirmation_placeholder',

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'value' => esc_html__( 'Confirmation Placeholder Text', 'wpforms-lite' ),

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'tooltip' => esc_html__( 'Enter text for the confirmation field placeholder.', 'wpforms-lite' ),

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false

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);

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$fld = $this->field_element(

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'text',

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$field,

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[

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'slug' => 'confirmation_placeholder',

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'value' => ! empty( $field['confirmation_placeholder'] ) ? esc_attr( $field['confirmation_placeholder'] ) : '',

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false

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);

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$args = [

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'slug' => 'confirmation_placeholder',

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'content' => $lbl . $fld,

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];

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$this->field_element( 'row', $field, $args );

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// Default value.

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$this->field_option( 'default_value', $field );

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$filter_type_label = $this->field_element(

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'label',

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$field,

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[

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'slug' => 'filter_type',

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'value' => esc_html__( 'Allowlist / Denylist', 'wpforms-lite' ),

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'tooltip' => esc_html__( 'Restrict which email addresses are allowed. Be sure to separate each email address with a comma.', 'wpforms-lite' ),

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false

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);

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$filter_type_field = $this->field_element(

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'select',

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$field,

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[

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'slug' => 'filter_type',

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'value' => ! empty( $field['filter_type'] ) ? esc_attr( $field['filter_type'] ) : '',

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'options' => [

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'' => esc_html__( 'None', 'wpforms-lite' ),

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'allowlist' => esc_html__( 'Allowlist', 'wpforms-lite' ),

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'denylist' => esc_html__( 'Denylist', 'wpforms-lite' ),

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false

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);

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$this->field_element(

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'row',

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$field,

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[

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'slug' => 'filter_type',

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'content' => $filter_type_label . $filter_type_field,

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]

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);

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$this->field_element(

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'row',

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$field,

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[

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'slug' => 'allowlist',

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'content' => $this->field_element(

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'textarea',

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$field,

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[

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'slug' => 'allowlist',

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'value' => ! empty( $field['allowlist'] ) ? esc_attr( $this->decode_email_patterns_rules_list( $field['allowlist'] ) ) : '',

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false

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]

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);

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$this->field_element(

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'row',

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$field,

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[

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'slug' => 'denylist',

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'content' => $this->field_element(

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'textarea',

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$field,

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[

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'slug' => 'denylist',

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'value' => ! empty( $field['denylist'] ) ? esc_attr( $this->decode_email_patterns_rules_list( $field['denylist'] ) ) : '',

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false

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]

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);

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// Custom CSS classes.

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$this->field_option( 'css', $field );

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// Hide Label.

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$this->field_option( 'label_hide', $field );

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// Hide sublabels.

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$this->field_option( 'sublabel_hide', $field );

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// Options close markup.

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$args = [

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'markup' => 'close',

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];

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$this->field_option( 'advanced-options', $field, $args );

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}

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/**

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* Field preview inside the builder.

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* @since 1.0.0

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* @param array $field

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public function field_preview( $field ) {

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// Define data.

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$placeholder = ! empty( $field['placeholder'] ) ? $field['placeholder'] : '';

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$confirm_placeholder = ! empty( $field['confirmation_placeholder'] ) ? $field['confirmation_placeholder'] : '';

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$default_value = ! empty( $field['default_value'] ) ? $field['default_value'] : '';

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$confirm = ! empty( $field['confirmation'] ) ? 'enabled' : 'disabled';

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// Label.

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$this->field_preview_option( 'label', $field );

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<input type="email" placeholder="<?php echo esc_attr( $placeholder ); ?>" value="<?php echo esc_attr( $default_value ); ?>" class="primary-input" readonly>

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</div>

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<input type="email" placeholder="<?php echo esc_attr( $confirm_placeholder ); ?>" class="secondary-input" readonly>

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</div>

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</div>

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<?php

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// Description.

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$this->field_preview_option( 'description', $field );

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}

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/**

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* Field display on the form front-end.

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* @since 1.0.0

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* @param array $field

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* @param array $deprecated

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* @param array $form_data

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public function field_display( $field, $deprecated, $form_data ) {

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// Define data.

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$form_id = absint( $form_data['id'] );

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$confirmation = ! empty( $field['confirmation'] );

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$primary = $field['properties']['inputs']['primary'];

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$secondary = ! empty( $field['properties']['inputs']['secondary'] ) ? $field['properties']['inputs']['secondary'] : '';

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