<?php

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if ( ! defined( 'ABSPATH' ) ) {

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exit;

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}

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/**

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* Checkbox field.

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*

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* @since 1.0.0

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*/

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class WPForms_Field_Checkbox extends WPForms_Field {

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/**

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* Primary class constructor.

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*

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* @since 1.0.0

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*/

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public function init() {

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// Define field type information.

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

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

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$this->type = 'checkbox';

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$this->icon = 'fa-check-square-o';

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$this->order = 110;

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$this->defaults = [

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1 => [

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'label' => esc_html__( 'First Choice', 'wpforms-lite' ),

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'value' => '',

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'image' => '',

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'icon' => '',

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'icon_style' => '',

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'default' => '',

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],

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2 => [

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'label' => esc_html__( 'Second Choice', 'wpforms-lite' ),

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'value' => '',

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'image' => '',

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'icon' => '',

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'icon_style' => '',

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'default' => '',

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],

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3 => [

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'label' => esc_html__( 'Third Choice', 'wpforms-lite' ),

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'value' => '',

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'image' => '',

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'icon' => '',

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'icon_style' => '',

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'default' => '',

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],

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];

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$this->default_settings = [

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'choices' => $this->defaults,

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];

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$this->hooks();

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}

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/**

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* Hooks.

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*

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* @since 1.8.1

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*/

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private function hooks() {

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// Customize HTML field values.

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add_filter( 'wpforms_html_field_value', [ $this, 'field_html_value' ], 10, 4 );

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add_filter( "wpforms_{$this->type}_field_html_value_images", [ $this, 'field_html_value_images' ], 10, 3 );

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// Define additional field properties.

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

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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}", '__return_true', PHP_INT_MAX, 2 );

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}

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/**

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* Define additional field properties.

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*

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* @since 1.4.5

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*

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* @param array $properties Field properties.

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* @param array $field Field settings.

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* @param array $form_data Form data and settings.

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*

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* @return array

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*/

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public function field_properties( $properties, $field, $form_data ) { // phpcs:ignore Generic.Metrics.CyclomaticComplexity.MaxExceeded

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// Define 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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$choices = $field['choices'];

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$dynamic = wpforms_get_field_dynamic_choices( $field, $form_id, $form_data );

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if ( $dynamic !== false ) {

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$choices = $dynamic;

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$field['show_values'] = true;

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}

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// Remove primary input, unset for attribute for label.

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unset( $properties['inputs']['primary'], $properties['label']['attr']['for'] );

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// Set input container (ul) properties.

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$properties['input_container'] = [

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'class' => [ ! empty( $field['random'] ) ? 'wpforms-randomize' : '' ],

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'data' => [],

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'attr' => [],

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

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];

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$is_choice_limit_set = ! empty( $field['choice_limit'] ) && (int) $field['choice_limit'] > 0;

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if ( $is_choice_limit_set ) {

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$properties['input_container']['data']['choice-limit'] = $field['choice_limit'];

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}

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// Set input properties.

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foreach ( $choices as $key => $choice ) {

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// Used for dynamic choices.

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$depth = isset( $choice['depth'] ) ? absint( $choice['depth'] ) : 1;

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$label = isset( $choice['label'] ) ? $choice['label'] : '';

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// Choice labels should not be left blank, but if they are we

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// provide a basic value.

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$value = isset( $field['show_values'] ) ? $choice['value'] : $label;

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if ( '' === $value ) {

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if ( 1 === count( $choices ) ) {

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$value = esc_html__( 'Checked', 'wpforms-lite' );

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} else {

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/* translators: %s - choice number. */

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$value = sprintf( esc_html__( 'Choice %s', 'wpforms-lite' ), $key );

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}

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}

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$properties['inputs'][ $key ] = [

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'container' => [

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'attr' => [],

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'class' => [ "choice-{$key}", "depth-{$depth}" ],

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'data' => [],

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'id' => '',

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],

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'label' => [

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'attr' => [

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'for' => "wpforms-{$form_id}-field_{$field_id}_{$key}",

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],

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'class' => [ 'wpforms-field-label-inline' ],

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'data' => [],

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'id' => '',

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'text' => $label,

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],

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'attr' => [

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

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'value' => $value,

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],

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'class' => [],

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'data' => [],

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

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'icon' => isset( $choice['icon'] ) ? $choice['icon'] : '',

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'icon_style' => isset( $choice['icon_style'] ) ? $choice['icon_style'] : '',

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'image' => isset( $choice['image'] ) ? $choice['image'] : '',

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

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'default' => isset( $choice['default'] ),

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];

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// Rule for validator only if needed.

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if ( $is_choice_limit_set ) {

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$properties['inputs'][ $key ]['data']['rule-check-limit'] = 'true';

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}

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}

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// Required class for pagebreak validation.

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

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

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}

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// Custom properties if image choices is enabled.

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

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$properties['input_container']['class'][] = 'wpforms-image-choices';

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$properties['input_container']['class'][] = 'wpforms-image-choices-' . sanitize_html_class( $field['choices_images_style'] );

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foreach ( $properties['inputs'] as $key => $inputs ) {

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$properties['inputs'][ $key ]['container']['class'][] = 'wpforms-image-choices-item';

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if ( in_array( $field['choices_images_style'], [ 'modern', 'classic' ], true ) ) {

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$properties['inputs'][ $key ]['class'][] = 'wpforms-screen-reader-element';

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}

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}

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} elseif ( ! $dynamic && ! empty( $field['choices_icons'] ) ) {

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$properties = wpforms()->obj( 'icon_choices' )->field_properties( $properties, $field );

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}

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// Custom properties for disclaimer format display.

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

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$properties['description']['class'][] = 'wpforms-disclaimer-description';

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$properties['description']['value'] = nl2br( $properties['description']['value'] );

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}

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// Add selected class for choices with defaults.

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foreach ( $properties['inputs'] as $key => $inputs ) {

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if ( ! empty( $inputs['default'] ) ) {

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$properties['inputs'][ $key ]['container']['class'][] = 'wpforms-selected';

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}

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}

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return $properties;

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}

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/**

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* Field options panel inside the builder.

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*

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* @since 1.0.0

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*

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* @param array $field Field settings.

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*/

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public function field_options( $field ) {

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/*

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* Basic field options.

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*/

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// Options open markup.

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$this->field_option(

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'basic-options',

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$field,

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[

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'markup' => 'open',

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]

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);

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// Label.

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

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// Choices.

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

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// AI Feature.

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$this->field_option(

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'ai_modal_button',

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$field,

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[

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'value' => esc_html__( 'Generate Choices', 'wpforms-lite' ),

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'type' => 'choices',

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]

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);

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// Choices Images.

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

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// Hide Choices Images.

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

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// Choices Images Style (theme).

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

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// Choices Icons.

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

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// Choices Icons Color.

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

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// Choices Icons Size.

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

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// Choices Icons Style.

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$this->field_option( 'choices_icons_style', $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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// Options close markup.

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$this->field_option(

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'basic-options',

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$field,

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[

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'markup' => 'close',

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]

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);

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/*

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* Advanced field options

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*/

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// Options open markup.

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$this->field_option(

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'advanced-options',

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$field,

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[

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'markup' => 'open',

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]

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);

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// Randomize order of choices.

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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' => 'random',

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'content' => $this->field_element(

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'toggle',

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$field,

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[

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'slug' => 'random',

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

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'desc' => esc_html__( 'Randomize Choices', 'wpforms-lite' ),

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'tooltip' => esc_html__( 'Check this option to randomize the order of the choices.', 'wpforms-lite' ),

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],

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false

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),

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]

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);

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// Show Values toggle option. This option will only show if already used

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// or if manually enabled by a filter.

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if ( ! empty( $field['show_values'] ) || wpforms_show_fields_options_setting() ) {

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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' => 'show_values',

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'content' => $this->field_element(

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'toggle',

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$field,

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[

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'slug' => 'show_values',

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

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'desc' => esc_html__( 'Show Values', 'wpforms-lite' ),

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'tooltip' => esc_html__( 'Check this option to manually set form field values.', 'wpforms-lite' ),

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],

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false

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),

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]

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);

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}

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// Display format.

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

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// Choice Limit.

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

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// Dynamic choice auto-populating toggle.

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

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// Dynamic choice source.

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

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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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// Enable Disclaimer formatting.

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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' => 'disclaimer_format',

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'content' => $this->field_element(

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'toggle',

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$field,

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[

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'slug' => 'disclaimer_format',

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

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'desc' => esc_html__( 'Enable Disclaimer / Terms of Service Display', 'wpforms-lite' ),

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'tooltip' => esc_html__( 'Check this option to adjust the field styling to support Disclaimers and Terms of Service type agreements.', 'wpforms-lite' ),

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],

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false

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),

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]

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);

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// Options close markup.

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$this->field_option(

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'advanced-options',

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$field,

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[

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'markup' => 'close',

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]

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);

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}

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[390] Fix | Delete

/**

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* Field preview inside the builder.

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*

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* @since 1.0.0

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*

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* @param array $field Field settings.

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*/

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public function field_preview( $field ) {

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// Label.

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

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// Choices.

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

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// Description.

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$this->field_preview_option(

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'description',

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$field,

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[

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'class' => ! empty( $field['disclaimer_format'] ) ? 'disclaimer nl2br' : false,

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]

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);

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}

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/**

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* Field display on the form front-end and admin entry edit page.

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*

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* @since 1.0.0

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*

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* @param array $field Field settings.

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* @param array $deprecated Deprecated array.

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* @param array $form_data Form data and settings.

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*/

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

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$using_image_choices = empty( $field['dynamic_choices'] ) && ! empty( $field['choices_images'] );

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$using_icon_choices = empty( $field['dynamic_choices'] ) && empty( $field['choices_images'] ) && ! empty( $field['choices_icons'] );

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// Define data.

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$container = $field['properties']['input_container'];

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

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// Do not display the field with empty choices on the frontend.

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if ( ! $choices && ! is_admin() ) {

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return;

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}

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// Display a warning message on Entry Edit page.

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if ( ! $choices && is_admin() ) {

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$this->display_empty_dynamic_choices_message( $field );

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return;

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}

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$amp_state_id = '';

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if ( wpforms_is_amp() && ( $using_image_choices || $using_icon_choices ) ) {

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$amp_state_id = str_replace( '-', '_', sanitize_key( $container['id'] ) ) . '_state';

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$state = [];

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foreach ( $choices as $key => $choice ) {

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$state[ $choice['id'] ] = ! empty( $choice['default'] );

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}

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printf(

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'<amp-state id="%s"><script type="application/json">%s</script></amp-state>',

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esc_attr( $amp_state_id ),

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wp_json_encode( $state )

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);

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}

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printf(

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'<ul %s>',

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wpforms_html_attributes( $container['id'], $container['class'], $container['data'], $container['attr'] )

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);

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foreach ( $choices as $key => $choice ) {

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$label = $this->get_choices_label( $choice['label']['text'] ?? '', $key, $field );

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if ( wpforms_is_amp() && ( $using_image_choices || $using_icon_choices ) ) {

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$choice['container']['attr']['[class]'] = sprintf(

[471] Fix | Delete

'%s + ( %s[%s] ? " wpforms-selected" : "")',

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wp_json_encode( implode( ' ', $choice['container']['class'] ) ),

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$amp_state_id,

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wp_json_encode( $choice['id'] )

[475] Fix | Delete

);

[476] Fix | Delete

}

[477] Fix | Delete

[478] Fix | Delete

// If the field is required, has the label hidden, and has

[479] Fix | Delete

// disclaimer mode enabled, so the required status in choice

[480] Fix | Delete

// label.

[481] Fix | Delete

$required = '';

[482] Fix | Delete

[483] Fix | Delete

if ( ! empty( $field['disclaimer_format'] ) && ! empty( $choice['required'] ) && ! empty( $field['label_hide'] ) ) {

[484] Fix | Delete

$required = wpforms_get_field_required_label();

[485] Fix | Delete

}

[486] Fix | Delete

[487] Fix | Delete

printf(

[488] Fix | Delete

'<li %s>',

[489] Fix | Delete

wpforms_html_attributes( $choice['container']['id'], $choice['container']['class'], $choice['container']['data'], $choice['container']['attr'] )

[490] Fix | Delete

);

[491] Fix | Delete

[492] Fix | Delete

// The required constraint in HTML5 form validation does not work with checkbox groups, so omit in AMP.

[493] Fix | Delete

$required_attr = wpforms_is_amp() && count( $choices ) > 1 ? '' : $choice['required'];

[494] Fix | Delete

[495] Fix | Delete

if ( $using_image_choices ) {

[496] Fix | Delete

[497] Fix | Delete

// Make sure the image choices are keyboard-accessible.

[498] Fix | Delete

$choice['label']['attr']['tabindex'] = 0;

[499] Fix | Delete