<?php

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namespace WPForms\Admin\Settings;

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use WPForms\Emails\Helpers;

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use WPForms\Emails\Notifications;

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use WPForms\Admin\Education\Helpers as EducationHelpers;

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/**

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* Email setting page.

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* Settings will be accessible via “WPForms” → “Settings” → “Email”.

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*

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* @since 1.8.5

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*/

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class Email {

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/**

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* Content is plain text type.

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*

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* @since 1.8.5

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*

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* @var bool

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*/

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private $plain_text;

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/**

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* Temporary storage for the style overrides preferences.

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*

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* @since 1.8.6

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*

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* @var array

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*/

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private $style_overrides;

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/**

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* Determines if the user has the education modal.

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* If true, the value will be used to add the Education modal class to the setting controls.

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* This is only available in the free version.

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*

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* @since 1.8.6

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*

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* @var string

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*/

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private $has_education;

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/**

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* Determines if the user has the legacy template.

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* If true, the value will be used to add the Legacy template class to the setting controls.

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*

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* @since 1.8.6

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*

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* @var string

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*/

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private $has_legacy_template;

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/**

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* Initialize class.

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*

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* @since 1.8.5

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*/

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public function init() {

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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 1.8.5

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*/

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private function hooks() {

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add_action( 'admin_enqueue_scripts', [ $this, 'enqueue_assets' ] );

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add_filter( 'wpforms_update_settings', [ $this, 'maybe_update_settings' ] );

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add_filter( 'wpforms_settings_tabs', [ $this, 'register_settings_tabs' ], 5 );

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add_filter( 'wpforms_settings_defaults', [ $this, 'register_settings_fields' ], 5 );

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}

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/**

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* Enqueue scripts and styles.

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* Static resources are enqueued only on the "Email" settings page.

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*

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* @since 1.8.5

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*/

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public function enqueue_assets() {

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// Leave if the current page is not the "Email" settings page.

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

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return;

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}

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$min = wpforms_get_min_suffix();

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wp_enqueue_script(

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'wpforms-contrast-checker',

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WPFORMS_PLUGIN_URL . "assets/js/admin/share/contrast-checker{$min}.js",

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[],

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WPFORMS_VERSION,

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true

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);

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wp_enqueue_script(

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'wpforms-xor',

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WPFORMS_PLUGIN_URL . "assets/js/admin/share/xor{$min}.js",

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[],

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WPFORMS_VERSION,

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true

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);

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wp_enqueue_script(

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'wpforms-admin-email-settings',

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WPFORMS_PLUGIN_URL . "assets/js/admin/email/settings{$min}.js",

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[ 'jquery', 'wpforms-admin', 'wp-escape-html', 'wp-url', 'choicesjs', 'wpforms-contrast-checker', 'wpforms-xor' ],

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WPFORMS_VERSION,

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true

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);

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wp_localize_script(

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'wpforms-admin-email-settings',

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'wpforms_admin_email_settings',

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[

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'contrast_fail' => esc_html__( 'This color combination may be hard to read. Try increasing the contrast between the body and text colors.', 'wpforms-lite' ),

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]

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);

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}

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/**

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* Maybe update settings.

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*

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* @since 1.8.5

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*

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* @param array $settings Admin area settings list.

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*

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* @return array

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*/

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public function maybe_update_settings( $settings ) {

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// Leave if the current page is not the "Email" settings page.

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

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return $settings;

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}

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// Remove the appearance mode switcher from the settings array.

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unset( $settings['email-appearance'] );

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// Backup the Pro version background color setting to the free version.

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// This is needed to keep the background color when the Pro version is deactivated.

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if ( wpforms()->is_pro() && ! Helpers::is_legacy_html_template() ) {

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$settings['email-background-color'] = sanitize_hex_color( $settings['email-color-scheme']['email_background_color'] );

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$settings['email-background-color-dark'] = sanitize_hex_color( $settings['email-color-scheme-dark']['email_background_color_dark'] );

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return $settings;

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}

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// Backup the free version background color setting to the Pro version.

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// This is needed to keep the background color when the Pro version is activated.

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$settings['email-color-scheme']['email_background_color'] = sanitize_hex_color( $settings['email-background-color'] );

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$settings['email-color-scheme-dark']['email_background_color_dark'] = sanitize_hex_color( $settings['email-background-color-dark'] );

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return $settings;

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}

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/**

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* Register "Email" settings tab.

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*

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* @since 1.8.5

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*

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* @param array $tabs Admin area tabs list.

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*

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* @return array

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*/

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public function register_settings_tabs( $tabs ) {

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$payments = [

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'email' => [

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'form' => true,

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

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'submit' => esc_html__( 'Save Settings', 'wpforms-lite' ),

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],

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];

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return wpforms_array_insert( $tabs, $payments, 'general' );

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}

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/**

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* Register "Email" settings fields.

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*

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* @since 1.8.5

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*

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* @param array $settings Admin area settings list.

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*

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* @return array

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*/

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public function register_settings_fields( $settings ) {

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$this->plain_text = Helpers::is_plain_text_template();

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$this->has_education = ! wpforms()->is_pro() ? 'education-modal' : '';

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$this->style_overrides = Helpers::get_current_template_style_overrides();

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$this->has_legacy_template = Helpers::is_legacy_html_template() ? 'legacy-template' : '';

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$preview_link = $this->get_current_template_preview_link();

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// Add Email settings.

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$settings['email'] = [

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'email-heading' => [

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'id' => 'email-heading',

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'content' => $this->get_heading_content(),

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'type' => 'content',

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'no_label' => true,

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'class' => [ 'section-heading', 'no-desc' ],

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],

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'email-template' => [

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'id' => 'email-template',

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'name' => esc_html__( 'Template', 'wpforms-lite' ),

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'class' => [ 'wpforms-email-template', 'wpforms-card-image-group' ],

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'type' => 'email_template',

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'default' => Notifications::DEFAULT_TEMPLATE,

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'options' => Helpers::get_email_template_choices(),

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'value' => Helpers::get_current_template_name(),

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],

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// The reason that we're using the 'content' type is to avoid saving the value in the option storage.

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// The value is used only for the appearance mode switcher, and merely acts as a switch between dark and light mode controls.

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'email-appearance' => [

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'id' => 'email-appearance',

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'name' => esc_html__( 'Appearance', 'wpforms-lite' ),

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'desc' => esc_html__( 'Modern email clients support viewing emails in light and dark modes. You can upload a header image and customize the style for each appearance mode independently to ensure an optimal reading experience.', 'wpforms-lite' ),

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'type' => 'radio',

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'class' => [ 'wpforms-setting-row-radio', 'hide-for-template-none', 'email-appearance-mode-toggle', $this->has_legacy_template ],

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'default' => 'light',

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'is_hidden' => $this->plain_text,

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'options' => [

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'light' => esc_html__( 'Light', 'wpforms-lite' ),

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'dark' => esc_html__( 'Dark', 'wpforms-lite' ),

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],

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],

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'email-preview' => [

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'id' => 'email-preview',

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'type' => 'content',

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'is_hidden' => empty( $preview_link ),

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'content' => $preview_link,

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],

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'sending-heading' => [

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'id' => 'sending-heading',

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'content' => '<h4>' . esc_html__( 'Sending', 'wpforms-lite' ) . '</h4>',

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'type' => 'content',

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'no_label' => true,

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'class' => [ 'section-heading', 'no-desc' ],

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],

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'email-async' => [

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'id' => 'email-async',

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'name' => esc_html__( 'Optimize Email Sending', 'wpforms-lite' ),

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'desc' => sprintf(

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wp_kses( /* translators: %1$s - WPForms.com Email settings documentation URL. */

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__( 'Send emails asynchronously, which can make processing faster but may delay email delivery by a minute or two. <a href="%1$s" target="_blank" rel="noopener noreferrer" class="wpforms-learn-more">Learn More</a>', 'wpforms-lite' ),

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[

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'a' => [

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'href' => [],

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'target' => [],

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'rel' => [],

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'class' => [],

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],

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]

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),

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esc_url( wpforms_utm_link( 'https://wpforms.com/docs/a-complete-guide-to-wpforms-settings/#email', 'Settings - Email', 'Optimize Email Sending Documentation' ) )

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),

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'type' => 'toggle',

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'status' => true,

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],

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'email-carbon-copy' => [

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'id' => 'email-carbon-copy',

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'name' => esc_html__( 'Carbon Copy', 'wpforms-lite' ),

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'desc' => esc_html__( 'Enable the ability to CC: email addresses in the form notification settings.', 'wpforms-lite' ),

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'type' => 'toggle',

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'status' => true,

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],

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];

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// Add the style controls.

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$settings['email'] = $this->add_appearance_controls( $settings['email'] );

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// Maybe add the Legacy template notice.

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$settings['email'] = $this->maybe_add_legacy_notice( $settings['email'] );

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return $settings;

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}

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/**

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* Maybe add the legacy template notice.

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*

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* @since 1.8.5

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*

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* @param array $settings Email settings.

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*

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* @return array

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*/

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private function maybe_add_legacy_notice( $settings ) {

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if ( ! $this->is_settings_page() || ! Helpers::is_legacy_html_template() ) {

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return $settings;

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}

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$content = '<div class="notice-info"><p>';

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$content .= sprintf(

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wp_kses( /* translators: %1$s - WPForms.com Email settings legacy template documentation URL. */

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__( 'Some style settings are not available when using the Legacy template. <a href="%1$s" target="_blank" rel="noopener noreferrer">Learn More</a>', 'wpforms-lite' ),

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[

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'a' => [

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'href' => [],

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'target' => [],

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'rel' => [],

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],

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]

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),

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esc_url( wpforms_utm_link( 'https://wpforms.com/docs/customizing-form-notification-emails/#legacy-template', 'Settings - Email', 'Legacy Template' ) )

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);

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$content .= '</p></div>';

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// Add the background color control after the header image.

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return wpforms_array_insert(

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$settings,

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[

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'email-legacy-notice' => [

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'id' => 'email-legacy-notice',

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'content' => $content,

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'type' => 'content',

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'class' => 'wpforms-email-legacy-notice',

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],

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],

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'email-template'

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);

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}

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/**

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* Add appearance controls.

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* This will include controls for both Light and Dark modes.

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*

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* @since 1.8.6

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*

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* @param array $settings Email settings.

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*

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* @return array

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*/

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private function add_appearance_controls( $settings ) {

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// Education modal arguments.

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$education_args = [ 'action' => 'upgrade' ];

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// New settings for the Light mode.

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$new_setting = [

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'email-header-image' => [

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'id' => 'email-header-image',

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'name' => esc_html__( 'Header Image', 'wpforms-lite' ),

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'desc' => esc_html__( 'Upload or choose a logo to be displayed at the top of email notifications.', 'wpforms-lite' ),

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'class' => [ 'wpforms-email-header-image', 'hide-for-template-none', 'has-preview-changes', 'email-light-mode', $this->get_external_header_image_class() ],

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'type' => 'image',

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'is_hidden' => $this->plain_text,

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'show_remove' => true,

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],

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'email-header-image-size' => [

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'id' => 'email-header-image-size',

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'no_label' => true,

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'type' => 'select',

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'class' => [ 'wpforms-email-header-image-size', 'has-preview-changes', 'email-light-mode' ],

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'is_hidden' => true,

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'choicesjs' => false,

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'default' => 'medium',

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'options' => [

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'small' => esc_html__( 'Small', 'wpforms-lite' ),

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'medium' => esc_html__( 'Medium', 'wpforms-lite' ),

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'large' => esc_html__( 'Large', 'wpforms-lite' ),

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],

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],

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'email-color-scheme' => [

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'id' => 'email-color-scheme',

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'name' => esc_html__( 'Color Scheme', 'wpforms-lite' ),

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'class' => [ 'email-color-scheme', 'hide-for-template-none', 'has-preview-changes', 'email-light-mode', $this->has_education, $this->has_legacy_template ],

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'type' => 'color_scheme',

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'is_hidden' => $this->plain_text,

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'education_badge' => $this->get_pro_education_badge(),

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'data_attributes' => $this->has_education ? array_merge( [ 'name' => esc_html__( 'Color Scheme', 'wpforms-lite' ) ], $education_args ) : [],

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'colors' => $this->get_color_scheme_controls(),

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],

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'email-typography' => [

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'id' => 'email-typography',

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'name' => esc_html__( 'Typography', 'wpforms-lite' ),

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'desc' => esc_html__( 'Choose the style that’s applied to all text in email notifications.', 'wpforms-lite' ),

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'class' => [ 'hide-for-template-none', 'has-preview-changes', 'email-typography', 'email-light-mode', $this->has_education, $this->has_legacy_template ],

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'education_badge' => $this->get_pro_education_badge(),

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'data_attributes' => $this->has_education ? array_merge( [ 'name' => esc_html__( 'Typography', 'wpforms-lite' ) ], $education_args ) : [],

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'type' => 'select',

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'is_hidden' => $this->plain_text,

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'choicesjs' => true,

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'default' => 'sans-serif',

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'options' => [

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'sans-serif' => esc_html__( 'Sans Serif', 'wpforms-lite' ),

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'serif' => esc_html__( 'Serif', 'wpforms-lite' ),

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],

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],

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];

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// Add background color control if the Pro version is not active or Legacy template is selected.

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$new_setting = $this->maybe_add_background_color_control( $new_setting );

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return wpforms_array_insert(

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$settings,

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$this->add_appearance_dark_mode_controls( $new_setting ),

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'email-appearance'

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);

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}

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[408] Fix | Delete

/**

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* Add appearance dark mode controls.

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*

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* This function will duplicate the default "Light" color

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* controls to create corresponding controls for dark mode.

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*

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* @since 1.8.6

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*

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* @param array $settings Email settings.

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*

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* @return array

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*/

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private function add_appearance_dark_mode_controls( $settings ) {

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// Duplicate and modify each item for dark mode.

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foreach ( $settings as $key => $item ) {

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// Duplicate the item with '-dark' added to the key.

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$dark_key = "{$key}-dark";

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$settings[ $dark_key ] = $item;

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// Modify the 'name' within the duplicated item.

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if ( isset( $settings[ $dark_key ]['id'] ) ) {

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$settings[ $dark_key ]['id'] .= '-dark';

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$classes = &$settings[ $dark_key ]['class'];

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$classes[] = 'email-dark-mode';

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$classes[] = 'wpforms-hide';

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// Remove classes related to light mode.

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$classes = array_filter(

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$classes,

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static function ( $class_name ) {

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return $class_name !== 'email-light-mode' && $class_name !== 'has-external-image-url';

[441] Fix | Delete

}

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);

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}

[444] Fix | Delete

[445] Fix | Delete

// Override the description for the header image control.

[446] Fix | Delete

if ( $key === 'email-header-image' ) {

[447] Fix | Delete

$settings[ $dark_key ]['desc'] = esc_html__( 'Upload or choose a logo to be displayed at the top of email notifications. Light mode image will be used if not set.', 'wpforms-lite' );

[448] Fix | Delete

}

[449] Fix | Delete

[450] Fix | Delete

// Override the background color control attributes.

[451] Fix | Delete

if ( $key === 'email-background-color' ) {

[452] Fix | Delete

$settings[ $dark_key ]['default'] = sanitize_hex_color( $this->style_overrides['email_background_color_dark'] );

[453] Fix | Delete

$settings[ $dark_key ]['data']['fallback-color'] = sanitize_hex_color( $this->style_overrides['email_background_color_dark'] );

[454] Fix | Delete

}

[455] Fix | Delete

[456] Fix | Delete

// Override the color scheme control attributes.

[457] Fix | Delete

if ( $key === 'email-color-scheme' ) {

[458] Fix | Delete

$settings[ $dark_key ]['colors'] = $this->get_color_scheme_controls( true );

[459] Fix | Delete

}

[460] Fix | Delete

}

[461] Fix | Delete

[462] Fix | Delete

return $settings;

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}

[464] Fix | Delete

[465] Fix | Delete

/**

[466] Fix | Delete

* Get Email settings heading content.

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*

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* @since 1.8.5

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*

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* @return string

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*/

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private function get_heading_content() {

[473] Fix | Delete

[474] Fix | Delete

return wpforms_render( 'admin/settings/email-heading' );

[475] Fix | Delete

}

[476] Fix | Delete

[477] Fix | Delete

/**

[478] Fix | Delete

* Get Email settings education badge.

[479] Fix | Delete

* This is only available in the free version.

[480] Fix | Delete

*

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* @since 1.8.6

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*

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* @return string

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*/

[485] Fix | Delete

private function get_pro_education_badge() {

[486] Fix | Delete

[487] Fix | Delete

// Leave early if the user has the Lite version.

[488] Fix | Delete

if ( empty( $this->has_education ) ) {

[489] Fix | Delete

return '';

[490] Fix | Delete

}

[491] Fix | Delete

[492] Fix | Delete

// Output the education badge.

[493] Fix | Delete

return EducationHelpers::get_badge( 'Pro' );

[494] Fix | Delete

}

[495] Fix | Delete

[496] Fix | Delete

/**

[497] Fix | Delete

* Generate color scheme controls for the color picker.

[498] Fix | Delete

*

[499] Fix | Delete