<?php

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namespace WPForms\Forms;

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use WPForms\Helpers\PluginSilentUpgrader;

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use WPForms_Builder;

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use WP_Ajax_Upgrader_Skin;

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/**

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* Icon Choices functionality.

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*

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* @since 1.7.9

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*/

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class IconChoices {

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/**

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* Remote URL to download the icon library from.

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*

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* @since 1.7.9

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*

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* @var string

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*/

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const FONT_AWESOME_URL = 'https://wpforms.com/wp-content/icon-choices.zip';

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/**

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* Font Awesome version.

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*

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* @since 1.7.9

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*

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* @var string

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*/

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const FONT_AWESOME_VERSION = '6.4.0';

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/**

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* Default icon.

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*

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* @since 1.7.9

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*

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* @var string

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*/

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const DEFAULT_ICON = 'face-smile';

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/**

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* Default icon style.

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*

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* @since 1.7.9

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*

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* @var string

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*/

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const DEFAULT_ICON_STYLE = 'regular';

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/**

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* Default accent color.

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*

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* @since 1.7.9

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*

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* @var string

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*/

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const DEFAULT_COLOR = [

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'classic' => '#0399ed',

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'modern' => '#066aab',

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];

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/**

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* How many icons to display initially and paginate in the Icon Picker.

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*

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* @since 1.7.9

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*

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* @var int

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*/

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const DEFAULT_ICONS_PER_PAGE = 50;

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/**

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* Absolute path to the cache directory.

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*

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* @since 1.7.9

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*

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* @var string

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*/

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private $cache_base_path;

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/**

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* Cache directory URL.

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*

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* @since 1.7.9

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*

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* @var string

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*/

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private $cache_base_url;

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/**

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* Absolute path to the icons data file.

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*

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* @since 1.7.9

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*

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* @var string

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*/

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private $icons_data_file;

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/**

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* Whether icon library is already installed.

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*

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* @since 1.7.9

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*

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* @var bool

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*/

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private $is_installed;

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/**

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* Default list of icon sizes.

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*

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* @since 1.7.9

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*

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* @var array

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*/

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private $default_icon_sizes;

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/**

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* Initialize class.

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*

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* @since 1.7.9

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*/

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public function init() {

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$upload_dir = wpforms_upload_dir();

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$this->cache_base_url = $upload_dir['url'] . '/icon-choices';

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$this->cache_base_path = $upload_dir['path'] . '/icon-choices';

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$this->icons_data_file = $this->cache_base_path . '/icons.json';

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$this->default_icon_sizes = [

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'large' => [

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'label' => __( 'Large', 'wpforms-lite' ),

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'size' => 64,

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],

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'medium' => [

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'label' => __( 'Medium', 'wpforms-lite' ),

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'size' => 48,

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],

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'small' => [

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'label' => __( 'Small', 'wpforms-lite' ),

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'size' => 32,

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],

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];

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$this->hooks();

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}

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/**

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* Hook into WordPress lifecycle.

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*

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* @since 1.7.9

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*/

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private function hooks() {

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// Add inline CSS with custom properties on the frontend.

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add_action( 'wpforms_frontend_css', [ $this, 'css_custom_properties' ] );

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// Add inline CSS with custom properties in the form builder.

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if ( wpforms_is_admin_page( 'builder' ) ) {

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add_action( 'admin_head', [ $this, 'css_custom_properties' ] );

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}

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// Load Font Awesome assets.

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add_action( 'wpforms_builder_enqueues', [ $this, 'enqueues' ] );

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// Send data to the frontend.

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

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// Download and extract Font Awesome package.

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add_action( 'wp_ajax_wpforms_icon_choices_install', [ $this, 'install' ] );

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}

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/**

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* Get Font Awesome library data file.

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*

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* @since 1.8.3

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*

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* @return string

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*/

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public function get_icons_data_file() {

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return $this->icons_data_file;

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}

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/**

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* Whether Font Awesome library is already installed or not.

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*

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* @since 1.7.9

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*

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* @return bool

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*/

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private function is_installed() {

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if ( $this->is_installed !== null ) {

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return $this->is_installed;

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}

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$this->is_installed = file_exists( $this->icons_data_file );

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return $this->is_installed;

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}

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/**

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* Whether Icon Choices mode is active on any of the fields in current form.

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*

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* @since 1.7.9

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*

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* @return bool

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*/

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private function is_active() {

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$form_data = WPForms_Builder::instance()->form_data;

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return wpforms_has_field_setting( 'choices_icons', $form_data, false );

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}

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/**

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* Install Font Awesome library via Ajax.

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*

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* @since 1.7.9

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*/

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public function install() {

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// Run a security check.

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check_ajax_referer( 'wpforms-builder', 'nonce' );

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// Check for permissions.

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if ( ! wpforms_current_user_can( 'edit_forms' ) ) {

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wp_send_json_error();

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}

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$this->run_install( $this->cache_base_path );

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$this->is_installed = true;

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wp_send_json_success();

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}

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/**

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* Run Install Font Awesome library from our server.

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*

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* @since 1.8.3

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*

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* @param string $destination Destination path.

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*/

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public function run_install( $destination ) { // phpcs:ignore WPForms.PHP.HooksMethod.InvalidPlaceForAddingHooks

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// WordPress assumes it's a plugin/theme and tries to get translations. We don't need that, and it breaks JS output.

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remove_action( 'upgrader_process_complete', [ 'Language_Pack_Upgrader', 'async_upgrade' ], 20 );

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if ( ! function_exists( 'request_filesystem_credentials' ) ) {

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require_once ABSPATH . 'wp-admin/includes/file.php';

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}

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// Create the Upgrader with our custom skin that reports errors as WP JSON.

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$installer = new PluginSilentUpgrader( new WP_Ajax_Upgrader_Skin() );

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// The installer skin reports any errors via wp_send_json_error() with generic error messages.

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$installer->init();

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$installer->run(

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[

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'package' => self::FONT_AWESOME_URL,

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'destination' => $destination,

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]

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);

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}

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/**

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* Load all necessary Font Awesome assets.

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*

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* @since 1.7.9

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*

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* @param string $view Current Form Builder view (panel).

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*/

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public function enqueues( $view ) {

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

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return;

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}

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wp_enqueue_style(

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'wpforms-icon-choices-font-awesome',

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$this->cache_base_url . '/css/fontawesome.min.css',

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[],

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self::FONT_AWESOME_VERSION

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);

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wp_enqueue_style(

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'wpforms-icon-choices-font-awesome-brands',

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$this->cache_base_url . '/css/brands.min.css',

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[],

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self::FONT_AWESOME_VERSION

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);

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wp_enqueue_style(

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'wpforms-icon-choices-font-awesome-regular',

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$this->cache_base_url . '/css/regular.min.css',

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[],

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self::FONT_AWESOME_VERSION

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);

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wp_enqueue_style(

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'wpforms-icon-choices-font-awesome-solid',

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$this->cache_base_url . '/css/solid.min.css',

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[],

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self::FONT_AWESOME_VERSION

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);

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}

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/**

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* Define additional field properties specific to Icon Choices feature.

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*

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* @since 1.7.9

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*

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* @see WPForms_Field_Checkbox::field_properties()

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* @see WPForms_Field_Radio::field_properties()

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* @see WPForms_Field_Payment_Checkbox::field_properties()

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* @see WPForms_Field_Payment_Multiple::field_properties()

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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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*

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* @return array

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*/

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public function field_properties( $properties, $field ) {

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

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

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

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$icon_color = isset( $field['choices_icons_color'] ) ? wpforms_sanitize_hex_color( $field['choices_icons_color'] ) : '';

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$icon_color = empty( $icon_color ) ? self::get_default_color() : $icon_color;

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$properties['input_container']['attr']['style'] = "--wpforms-icon-choices-color: {$icon_color};";

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

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

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if ( in_array( $field['choices_icons_style'], [ 'default', '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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return $properties;

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}

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/**

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* Display a single choice on the form front-end.

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*

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* @since 1.7.9

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*

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* @see WPForms_Field_Checkbox::field_display()

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* @see WPForms_Field_Radio::field_display()

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* @see WPForms_Field_Payment_Checkbox::field_display()

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* @see WPForms_Field_Payment_Multiple::field_display()

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*

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* @param array $field Field settings.

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* @param array $choice Single choice item settings.

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* @param string $type Field input type.

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* @param string|null $label Custom label, used by Payment fields.

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*/

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public function field_display( $field, $choice, $type, $label = null ) {

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// Only Payment fields supply a custom label.

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if ( ! $label ) {

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$label = $choice['label']['text'];

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}

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if ( is_array( $choice['label']['class'] ) && wpforms_is_empty_string( $label ) ) {

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$choice['label']['class'][] = 'wpforms-field-label-inline-empty';

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}

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printf(

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'<label %1$s>

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<span class="wpforms-icon-choices-icon">

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%2$s

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<span class="wpforms-icon-choices-icon-bg"></span>

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</span>

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<input type="%3$s" %4$s %5$s %6$s>

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<span class="wpforms-icon-choices-label">%7$s</span>

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</label>',

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

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// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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$this->get_icon( $choice['icon'], $choice['icon_style'], $field['choices_icons_size'] ),

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esc_attr( $type ),

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

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esc_attr( $choice['required'] ),

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checked( '1', $choice['default'], false ),

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wp_kses_post( $label )

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);

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}

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/**

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* Output inline CSS custom properties (vars).

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*

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* @since 1.7.9

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*

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* @param null|array $forms Frontend forms, if available.

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*

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* @return void

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*/

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public function css_custom_properties( $forms = null ) {

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$hook = current_action();

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// On the frontend, we need these properties only if Icon Choices is in use.

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if ( $hook === 'wpforms_frontend_css' && ! wpforms_has_field_setting( 'choices_icons', $forms, true ) ) {

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return;

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}

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$selectors = [

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'wpforms_frontend_css' => '.wpforms-container',

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'admin_head' => '#wpforms-builder, .wpforms-icon-picker-container',

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];

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/**

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* Add CSS custom properties.

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*

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* @since 1.7.9

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*

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* @param array $properties CSS custom properties using CSS syntax.

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*/

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$custom_properties = (array) apply_filters( 'wpforms_forms_icon_choices_css_custom_properties', [] );

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$icon_sizes = $this->get_icon_sizes();

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foreach ( $icon_sizes as $slug => $data ) {

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$custom_properties[ "wpforms-icon-choices-size-{$slug}" ] = $data['size'] . 'px';

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}

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$custom_properties_css = '';

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foreach ( $custom_properties as $property => $value ) {

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$custom_properties_css .= "--{$property}: {$value};";

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}

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printf(

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'<style id="wpforms-icon-choices-custom-properties">%s { %s }</style>',

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esc_attr( $selectors[ $hook ] ),

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esc_html( $custom_properties_css )

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);

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}

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/**

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* Get available icon sizes.

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*

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* @since 1.7.9

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*

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* @return array A list of all icon sizes.

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*/

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public function get_icon_sizes() {

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/**

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* Allow modifying the icon sizes.

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*

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* @since 1.7.9

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*

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* @param array $icon_sizes {

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* Default icon sizes.

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*

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* @type string $key The icon slug.

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* @type array $value {

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* Individual icon size data.

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*

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* @type string $label Translatable label.

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* @type int $size The size value.

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* }

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* }

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* @param array $default_icon_sizes Default icon sizes for reference.

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*/

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$sizes = (array) apply_filters( 'wpforms_forms_icon_choices_get_icon_sizes', [], $this->default_icon_sizes );

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return array_merge( $this->default_icon_sizes, $sizes );

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}

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/**

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* Read icons metadata from disk.

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*

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* @since 1.7.9

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*

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* @param array $strings Strings and values sent to the frontend.

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* @param array $form Current form.

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*

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* @return array

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*/

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public function get_strings( $strings, $form ) {

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$strings['continue'] = esc_html__( 'Continue', 'wpforms-lite' );

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$strings['done'] = esc_html__( 'Done!', 'wpforms-lite' );

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$strings['uh_oh'] = esc_html__( 'Uh oh!', 'wpforms-lite' );

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$strings['icon_choices'] = [

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'is_installed' => false,

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'is_active' => $this->is_active(),

[493] Fix | Delete

'default_icon' => self::DEFAULT_ICON,

[494] Fix | Delete

'default_icon_style' => self::DEFAULT_ICON_STYLE,

[495] Fix | Delete

'default_color' => self::get_default_color(),

[496] Fix | Delete

'icons' => [],

[497] Fix | Delete

'icons_per_page' => self::DEFAULT_ICONS_PER_PAGE,

[498] Fix | Delete

'strings' => [

[499] Fix | Delete