FM / Settings

/home/techb158/public_html/wp-content/plugins/wpforms-lite/src/Admin/Builder/Settings/

/home/techb158/public_html/wp-content/plugins/wpforms-lite/src/Admin/Builder/Settings

Name	Size	Mode	Actions
QrCode.php	15342	0666	edit dl rm
Themes.php	34769	0666	edit dl rm

Edit: /home/techb158/public_html/wp-content/plugins/wpforms-lite/src/Admin/Builder/Settings/QrCode.php (15342B)

<?php

namespace WPForms\Admin\Builder\Settings;

use WPForms_Builder_Panel_Settings;

/**
 * QR Code setting in the General section of the Form Builder Settings panel.
 *
 * @since 2.0.1
 */
class QrCode {

/**
	 * Bundled qr-code-styling library version.
	 *
	 * @since 2.0.1
	 */
	private const LIBRARY_VERSION = '1.9.2';

/**
	 * Allowed destination types.
	 *
	 * @since 2.0.1
	 */
	private const DESTINATIONS = [ 'none', 'page', 'url' ];

/**
	 * Allowed logo choices.
	 *
	 * Also read by usage tracking to whitelist per-form logo counters.
	 *
	 * @since 2.0.1
	 */
	public const LOGOS = [ 'none', 'wpforms', 'custom' ];

/**
	 * License types unlocking the logo control.
	 *
	 * @since 2.0.1
	 */
	private const LOGO_LICENSES = [ 'pro', 'elite', 'agency', 'ultimate' ];

/**
	 * Option holding the Pro logo upsell funnel counters.
	 *
	 * Written by the education class and read by usage tracking.
	 *
	 * @since 2.0.1
	 */
	public const LOGO_UPSELL_EVENTS_OPTION = 'wpforms_qr_code_logo_upsell_events';

/**
	 * Pro logo upsell funnel event names.
	 *
	 * @since 2.0.1
	 */
	public const LOGO_UPSELL_EVENTS = [ 'shown', 'dismissed', 'upgraded' ];

/**
	 * Initialize class.
	 *
	 * @since 2.0.1
	 */
	public function init(): void {

$this->hooks();
	}

/**
	 * Register hooks.
	 *
	 * @since 2.0.1
	 */
	private function hooks(): void {

add_action( 'wpforms_form_settings_general_main_after', [ $this, 'render' ] );
		add_filter( 'wpforms_save_form_args', [ $this, 'sanitize_settings' ] );
		add_filter( 'wpforms_builder_strings', [ $this, 'builder_strings' ] );
	}

/**
	 * Add the QR Code strings to the builder localized data.
	 *
	 * @since 2.0.1
	 *
	 * @param array $strings Builder strings.
	 *
	 * @return array
	 */
	public function builder_strings( $strings ): array {

$strings = (array) $strings;

$strings['qr_code'] = [
			'file_name'      => 'wpforms-qr-code',
			'lib_url'        => esc_url( add_query_arg( 'ver', self::LIBRARY_VERSION, WPFORMS_PLUGIN_URL . 'assets/lib/qr-code-styling.min.js' ) ),
			'logo_wpforms'   => esc_url( WPFORMS_PLUGIN_URL . 'assets/images/builder/qr-code-logo.svg' ),
			'generate'       => esc_html__( 'Generate QR Code', 'wpforms-lite' ),
			'regenerate'     => esc_html__( 'Regenerate QR Code', 'wpforms-lite' ),
			'error_generate' => esc_html__( 'Could not be generated. Please try again.', 'wpforms-lite' ),
			'error_copy'     => esc_html__( 'Could not be copied. Please use Download instead.', 'wpforms-lite' ),
			'error_logo'     => esc_html__( 'The logo image could not be loaded. Please choose another one.', 'wpforms-lite' ),
			'copied'         => esc_html__( 'QR code copied to clipboard.', 'wpforms-lite' ),
			'error_page'     => esc_html__( 'You must select a page first.', 'wpforms-lite' ),
			'error_url'      => esc_html__( 'You must enter a valid URL first.', 'wpforms-lite' ),
			'preview_label'  => $this->get_preview_label_template(),
		];

return $strings;
	}

/**
	 * Determine whether the current license unlocks the logo control.
	 *
	 * @since 2.0.1
	 *
	 * @return bool
	 */
	public static function is_logo_allowed(): bool {

return in_array( wpforms_get_license_type(), self::LOGO_LICENSES, true );
	}

/**
	 * Get the Pro logo upsell funnel counters, zero-filled for missing events.
	 *
	 * @since 2.0.1
	 *
	 * @return array
	 */
	public static function get_logo_upsell_events(): array {

return wp_parse_args(
			(array) get_option( self::LOGO_UPSELL_EVENTS_OPTION, [] ),
			array_fill_keys( self::LOGO_UPSELL_EVENTS, 0 )
		);
	}

/**
	 * Render the QR Code setting in the General section.
	 *
	 * @since 2.0.1
	 *
	 * @param WPForms_Builder_Panel_Settings $settings Settings panel instance.
	 */
	public function render( WPForms_Builder_Panel_Settings $settings ): void {

$form_data   = (array) $settings->form_data;
		$qr_settings = $form_data['settings'] ?? [];
		$pages       = $this->get_pages( absint( $qr_settings['qr_code_page_id'] ?? 0 ) );
		$options     = [ 'none' => esc_html__( 'None', 'wpforms-lite' ) ];

// With no page to link to, the Page destination has nothing to offer.
		if ( $pages ) {
			$options['page'] = esc_html__( 'Page', 'wpforms-lite' );
		}

$options['url'] = esc_html__( 'Custom URL', 'wpforms-lite' );

wpforms_panel_field(
			'select',
			'settings',
			'qr_code',
			$settings->form_data,
			esc_html__( 'QR Code', 'wpforms-lite' ),
			[
				'default' => 'none',
				'options' => $options,
				'tooltip' => esc_html__( 'Generate a QR code that opens the page or URL you choose, ready to copy or download for print.', 'wpforms-lite' ),
			]
		);

$this->render_content( $settings, $pages );
	}

/**
	 * Render the QR Code content block: destination fields, preview, and actions.
	 *
	 * @since 2.0.1
	 *
	 * @param WPForms_Builder_Panel_Settings $settings Settings panel instance.
	 * @param array                          $pages    Pages available for the Destination Page select.
	 */
	private function render_content( WPForms_Builder_Panel_Settings $settings, array $pages ): void {

$form_data   = (array) $settings->form_data;
		$qr_settings = $form_data['settings'] ?? [];
		$destination = $this->get_effective_destination( $qr_settings['qr_code'] ?? 'none', $pages );
		$logo_url    = $this->get_custom_logo_url( absint( $qr_settings['qr_code_logo_id'] ?? 0 ) );
		$generated   = esc_url_raw( $qr_settings['qr_code_generated'] ?? '' );
		$permalinks  = [];
		$is_hidden   = ! in_array( $destination, [ 'page', 'url' ], true );

foreach ( array_keys( $pages ) as $id ) {
			/** This filter is documented in includes/functions/access.php. */
			$permalinks[ $id ] = esc_url_raw( (string) apply_filters( 'wpforms_search_pages_for_dropdown_permalink', get_permalink( $id ), get_post( $id ) ) ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName
		}

?>
		<div id="wpforms-panel-field-settings-qr_code-content"
			class="wpforms-panel-field wpforms-panel-field-qr-code-content<?php echo $is_hidden ? ' wpforms-hidden' : ''; ?>"
			data-logo-url="<?php echo esc_url( $logo_url ); ?>"
			data-pages="<?php echo esc_attr( (string) wp_json_encode( $permalinks ) ); ?>">

<div class="wpforms-qr-code-preview-column">
				<div class="wpforms-qr-code-preview" role="img" aria-label="<?php echo esc_attr( $this->get_preview_label( $generated ) ); ?>">
					<div class="wpforms-qr-code-preview-canvas"></div>
					<div class="wpforms-qr-code-preview-status" aria-hidden="true"></div>
				</div>

<div class="wpforms-qr-code-settings-column">
				<?php
				wpforms_panel_field(
					'select',
					'settings',
					'qr_code_page_id',
					$settings->form_data,
					esc_html__( 'Destination Page', 'wpforms-lite' ),
					[
						'class'       => 'wpforms-panel-field-qr-code-page' . ( $destination === 'page' ? '' : ' wpforms-hidden' ),
						'options'     => $pages,
						'placeholder' => esc_html__( '--- Select a Page ---', 'wpforms-lite' ),
						'choicesjs'   => [
							'use_ajax'    => true,
							'callback_fn' => 'select_pages',
						],
						'after'       => '<p class="note">' . esc_html__( 'Choose the page for the QR code link.', 'wpforms-lite' ) . '</p>',
					]
				);

wpforms_panel_field(
					'text',
					'settings',
					'qr_code_url',
					$settings->form_data,
					esc_html__( 'Destination URL', 'wpforms-lite' ),
					[
						'class'       => 'wpforms-panel-field-qr-code-url' . ( $destination === 'url' ? '' : ' wpforms-hidden' ),
						'placeholder' => 'https://',
						'after'       => '<p class="note">' . esc_html__( 'Enter the URL for the QR code link.', 'wpforms-lite' ) . '</p>',
					]
				);

/**
				 * Fires where the QR Code Logo control is rendered: Pro and Elite hook the full control here, every
				 * lower plan a locked one.
				 *
				 * @since 2.0.1
				 *
				 * @param WPForms_Builder_Panel_Settings $settings Settings panel instance.
				 */
				do_action( 'wpforms_admin_builder_settings_qr_code_logo', $settings );
				?>
			</div>

<input type="hidden" name="settings[qr_code_generated]" value="<?php echo esc_url( $generated ); ?>">
		</div>
		<?php
	}

/**
	 * Resolve the destination to render: a saved Page has nothing to point at once the pages are gone.
	 *
	 * @since 2.0.1
	 *
	 * @param string $destination Saved destination.
	 * @param array  $pages       Pages available for the Destination Page select.
	 *
	 * @return string
	 */
	private function get_effective_destination( string $destination, array $pages ): string {

return $destination === 'page' && ! $pages ? 'none' : $destination;
	}

/**
	 * Get the preview text alternative: names the encoded destination once generated.
	 *
	 * @since 2.0.1
	 *
	 * @param string $generated Generated destination URL, empty when not generated.
	 *
	 * @return string
	 */
	private function get_preview_label( string $generated ): string {

if ( ! $generated ) {
			return esc_html__( 'QR code preview', 'wpforms-lite' );
		}

return sprintf( $this->get_preview_label_template(), $generated );
	}

/**
	 * Get the preview label template shared by the PHP render and the JS aria-label update.
	 *
	 * @since 2.0.1
	 *
	 * @return string
	 */
	private function get_preview_label_template(): string {

/* translators: %s - destination URL encoded in the QR code. */
		return esc_html__( 'QR code linking to %s', 'wpforms-lite' );
	}

/**
	 * Get the custom logo attachment URL.
	 *
	 * @since 2.0.1
	 *
	 * @param int    $logo_id Logo attachment ID.
	 * @param string $size    Image size to return.
	 *
	 * @return string
	 */
	protected function get_custom_logo_url( int $logo_id, string $size = 'full' ): string {

if ( ! $logo_id || ! wp_attachment_is_image( $logo_id ) ) {
			return '';
		}

// Don't expose attachments the current user has no access to.
		if ( ! current_user_can( 'edit_post', $logo_id ) ) {
			return '';
		}

$url = wp_get_attachment_image_url( $logo_id, $size );

if ( ! $url ) {
			return '';
		}

// Drop the scheme so the logo always follows the page. A stored http URL on an https builder is mixed
		// content: the browser blocks the library's fetch and the code never renders.
		return (string) preg_replace( '#^https?:#i', '', $url );
	}

/**
	 * Get the list of pages for the Destination Page select.
	 *
	 * @since 2.0.1
	 *
	 * @param int $page_id Currently saved page ID.
	 *
	 * @return array
	 */
	private function get_pages( int $page_id ): array {

$pages = [];

foreach ( wpforms_search_posts() as $post ) {
			$pages[ $post->ID ] = esc_html( wpforms_get_post_title( $post ) );
		}

// Keep the saved page selectable even when it is outside the default search results.
		$saved_page = $page_id && ! isset( $pages[ $page_id ] ) ? get_post( $page_id ) : null;

if (
			$saved_page &&
			$saved_page->post_status === 'publish' &&
			$saved_page->post_type === 'page' &&
			current_user_can( 'read_post', $page_id )
		) {
			$pages[ $page_id ] = esc_html( wpforms_get_post_title( $saved_page ) );
		}

return $pages;
	}

/**
	 * Sanitize the QR Code settings on form save.
	 *
	 * @since 2.0.1
	 *
	 * @param array $args Form save arguments.
	 *
	 * @return array
	 */
	public function sanitize_settings( $args ): array {

$args = (array) $args;

if ( empty( $args['post_content'] ) ) {
			return $args;
		}

$form_data = json_decode( stripslashes( $args['post_content'] ), true );

if ( empty( $form_data['settings'] ) ) {
			return $args;
		}

$settings = $form_data['settings'];

$settings['qr_code']           = $this->whitelist( $settings['qr_code'] ?? 'none', self::DESTINATIONS, 'none' );
		$settings['qr_code_logo']      = $this->whitelist( $settings['qr_code_logo'] ?? 'wpforms', self::LOGOS, 'wpforms' );
		$settings['qr_code_page_id']   = absint( $settings['qr_code_page_id'] ?? 0 );
		$settings['qr_code_logo_id']   = absint( $settings['qr_code_logo_id'] ?? 0 );
		$settings['qr_code_url']       = $this->sanitize_url( $settings['qr_code_url'] ?? '' );
		$settings['qr_code_generated'] = $this->sanitize_url( $settings['qr_code_generated'] ?? '' );

$form_data['settings'] = $this->clear_disabled_settings( $settings );
		$args['post_content']  = wpforms_encode( $form_data );

return $args;
	}

/**
	 * Reset the QR Code settings on save when the feature is off. None means nothing is configured, so keeping a
	 * destination and a logo around would resurface them the moment the setting is switched back on. This runs on
	 * save only: the builder leaves the fields alone so switching back and forth in one session is not a data loss.
	 *
	 * @since 2.0.1
	 *
	 * @param array $settings Sanitized settings.
	 *
	 * @return array
	 */
	private function clear_disabled_settings( array $settings ): array {

if ( $settings['qr_code'] !== 'none' ) {
			return $settings;
		}

$settings['qr_code_page_id']   = 0;
		$settings['qr_code_url']       = '';
		$settings['qr_code_logo']      = 'wpforms';
		$settings['qr_code_logo_id']   = 0;
		$settings['qr_code_generated'] = '';

return $settings;
	}

/**
	 * Whitelist a value against the allowed list.
	 *
	 * @since 2.0.1
	 *
	 * @param mixed  $value    Raw value.
	 * @param array  $allowed  Allowed values.
	 * @param string $fallback Fallback value.
	 *
	 * @return string
	 */
	private function whitelist( $value, array $allowed, string $fallback ): string {

return in_array( $value, $allowed, true ) ? $value : $fallback;
	}

/**
	 * Sanitize a destination URL: http/https schemes only.
	 *
	 * @since 2.0.1
	 *
	 * @param mixed $url Raw URL.
	 *
	 * @return string
	 */
	private function sanitize_url( $url ): string {

return esc_url_raw( (string) $url, [ 'http', 'https' ] );
	}
}

hooks(); } /** * Register hooks. * * @since 2.0.1 */ private function hooks(): void { add_action( 'wpforms_form_settings_general_main_after', [ $this, 'render' ] ); add_filter( 'wpforms_save_form_args', [ $this, 'sanitize_settings' ] ); add_filter( 'wpforms_builder_strings', [ $this, 'builder_strings' ] ); } /** * Add the QR Code strings to the builder localized data. * * @since 2.0.1 * * @param array $strings Builder strings. * * @return array */ public function builder_strings( $strings ): array { $strings = (array) $strings; $strings['qr_code'] = [ 'file_name' => 'wpforms-qr-code', 'lib_url' => esc_url( add_query_arg( 'ver', self::LIBRARY_VERSION, WPFORMS_PLUGIN_URL . 'assets/lib/qr-code-styling.min.js' ) ), 'logo_wpforms' => esc_url( WPFORMS_PLUGIN_URL . 'assets/images/builder/qr-code-logo.svg' ), 'generate' => esc_html__( 'Generate QR Code', 'wpforms-lite' ), 'regenerate' => esc_html__( 'Regenerate QR Code', 'wpforms-lite' ), 'error_generate' => esc_html__( 'Could not be generated. Please try again.', 'wpforms-lite' ), 'error_copy' => esc_html__( 'Could not be copied. Please use Download instead.', 'wpforms-lite' ), 'error_logo' => esc_html__( 'The logo image could not be loaded. Please choose another one.', 'wpforms-lite' ), 'copied' => esc_html__( 'QR code copied to clipboard.', 'wpforms-lite' ), 'error_page' => esc_html__( 'You must select a page first.', 'wpforms-lite' ), 'error_url' => esc_html__( 'You must enter a valid URL first.', 'wpforms-lite' ), 'preview_label' => $this->get_preview_label_template(), ]; return $strings; } /** * Determine whether the current license unlocks the logo control. * * @since 2.0.1 * * @return bool */ public static function is_logo_allowed(): bool { return in_array( wpforms_get_license_type(), self::LOGO_LICENSES, true ); } /** * Get the Pro logo upsell funnel counters, zero-filled for missing events. * * @since 2.0.1 * * @return array */ public static function get_logo_upsell_events(): array { return wp_parse_args( (array) get_option( self::LOGO_UPSELL_EVENTS_OPTION, [] ), array_fill_keys( self::LOGO_UPSELL_EVENTS, 0 ) ); } /** * Render the QR Code setting in the General section. * * @since 2.0.1 * * @param WPForms_Builder_Panel_Settings $settings Settings panel instance. */ public function render( WPForms_Builder_Panel_Settings $settings ): void { $form_data = (array) $settings->form_data; $qr_settings = $form_data['settings'] ?? []; $pages = $this->get_pages( absint( $qr_settings['qr_code_page_id'] ?? 0 ) ); $options = [ 'none' => esc_html__( 'None', 'wpforms-lite' ) ]; // With no page to link to, the Page destination has nothing to offer. if ( $pages ) { $options['page'] = esc_html__( 'Page', 'wpforms-lite' ); } $options['url'] = esc_html__( 'Custom URL', 'wpforms-lite' ); wpforms_panel_field( 'select', 'settings', 'qr_code', $settings->form_data, esc_html__( 'QR Code', 'wpforms-lite' ), [ 'default' => 'none', 'options' => $options, 'tooltip' => esc_html__( 'Generate a QR code that opens the page or URL you choose, ready to copy or download for print.', 'wpforms-lite' ), ] ); $this->render_content( $settings, $pages ); } /** * Render the QR Code content block: destination fields, preview, and actions. * * @since 2.0.1 * * @param WPForms_Builder_Panel_Settings $settings Settings panel instance. * @param array $pages Pages available for the Destination Page select. */ private function render_content( WPForms_Builder_Panel_Settings $settings, array $pages ): void { $form_data = (array) $settings->form_data; $qr_settings = $form_data['settings'] ?? []; $destination = $this->get_effective_destination( $qr_settings['qr_code'] ?? 'none', $pages ); $logo_url = $this->get_custom_logo_url( absint( $qr_settings['qr_code_logo_id'] ?? 0 ) ); $generated = esc_url_raw( $qr_settings['qr_code_generated'] ?? '' ); $permalinks = []; $is_hidden = ! in_array( $destination, [ 'page', 'url' ], true ); foreach ( array_keys( $pages ) as $id ) { /** This filter is documented in includes/functions/access.php. */ $permalinks[ $id ] = esc_url_raw( (string) apply_filters( 'wpforms_search_pages_for_dropdown_permalink', get_permalink( $id ), get_post( $id ) ) ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName } ?>

form_data, esc_html__( 'Destination Page', 'wpforms-lite' ), [ 'class' => 'wpforms-panel-field-qr-code-page' . ( $destination === 'page' ? '' : ' wpforms-hidden' ), 'options' => $pages, 'placeholder' => esc_html__( '--- Select a Page ---', 'wpforms-lite' ), 'choicesjs' => [ 'use_ajax' => true, 'callback_fn' => 'select_pages', ], 'after' => '

' . esc_html__( 'Choose the page for the QR code link.', 'wpforms-lite' ) . '

', ] ); wpforms_panel_field( 'text', 'settings', 'qr_code_url', $settings->form_data, esc_html__( 'Destination URL', 'wpforms-lite' ), [ 'class' => 'wpforms-panel-field-qr-code-url' . ( $destination === 'url' ? '' : ' wpforms-hidden' ), 'placeholder' => 'https://', 'after' => '

' . esc_html__( 'Enter the URL for the QR code link.', 'wpforms-lite' ) . '

', ] ); /** * Fires where the QR Code Logo control is rendered: Pro and Elite hook the full control here, every * lower plan a locked one. * * @since 2.0.1 * * @param WPForms_Builder_Panel_Settings $settings Settings panel instance. */ do_action( 'wpforms_admin_builder_settings_qr_code_logo', $settings ); ?>

get_preview_label_template(), $generated ); } /** * Get the preview label template shared by the PHP render and the JS aria-label update. * * @since 2.0.1 * * @return string */ private function get_preview_label_template(): string { /* translators: %s - destination URL encoded in the QR code. */ return esc_html__( 'QR code linking to %s', 'wpforms-lite' ); } /** * Get the custom logo attachment URL. * * @since 2.0.1 * * @param int $logo_id Logo attachment ID. * @param string $size Image size to return. * * @return string */ protected function get_custom_logo_url( int $logo_id, string $size = 'full' ): string { if ( ! $logo_id || ! wp_attachment_is_image( $logo_id ) ) { return ''; } // Don't expose attachments the current user has no access to. if ( ! current_user_can( 'edit_post', $logo_id ) ) { return ''; } $url = wp_get_attachment_image_url( $logo_id, $size ); if ( ! $url ) { return ''; } // Drop the scheme so the logo always follows the page. A stored http URL on an https builder is mixed // content: the browser blocks the library's fetch and the code never renders. return (string) preg_replace( '#^https?:#i', '', $url ); } /** * Get the list of pages for the Destination Page select. * * @since 2.0.1 * * @param int $page_id Currently saved page ID. * * @return array */ private function get_pages( int $page_id ): array { $pages = []; foreach ( wpforms_search_posts() as $post ) { $pages[ $post->ID ] = esc_html( wpforms_get_post_title( $post ) ); } // Keep the saved page selectable even when it is outside the default search results. $saved_page = $page_id && ! isset( $pages[ $page_id ] ) ? get_post( $page_id ) : null; if ( $saved_page && $saved_page->post_status === 'publish' && $saved_page->post_type === 'page' && current_user_can( 'read_post', $page_id ) ) { $pages[ $page_id ] = esc_html( wpforms_get_post_title( $saved_page ) ); } return $pages; } /** * Sanitize the QR Code settings on form save. * * @since 2.0.1 * * @param array $args Form save arguments. * * @return array */ public function sanitize_settings( $args ): array { $args = (array) $args; if ( empty( $args['post_content'] ) ) { return $args; } $form_data = json_decode( stripslashes( $args['post_content'] ), true ); if ( empty( $form_data['settings'] ) ) { return $args; } $settings = $form_data['settings']; $settings['qr_code'] = $this->whitelist( $settings['qr_code'] ?? 'none', self::DESTINATIONS, 'none' ); $settings['qr_code_logo'] = $this->whitelist( $settings['qr_code_logo'] ?? 'wpforms', self::LOGOS, 'wpforms' ); $settings['qr_code_page_id'] = absint( $settings['qr_code_page_id'] ?? 0 ); $settings['qr_code_logo_id'] = absint( $settings['qr_code_logo_id'] ?? 0 ); $settings['qr_code_url'] = $this->sanitize_url( $settings['qr_code_url'] ?? '' ); $settings['qr_code_generated'] = $this->sanitize_url( $settings['qr_code_generated'] ?? '' ); $form_data['settings'] = $this->clear_disabled_settings( $settings ); $args['post_content'] = wpforms_encode( $form_data ); return $args; } /** * Reset the QR Code settings on save when the feature is off. None means nothing is configured, so keeping a * destination and a logo around would resurface them the moment the setting is switched back on. This runs on * save only: the builder leaves the fields alone so switching back and forth in one session is not a data loss. * * @since 2.0.1 * * @param array $settings Sanitized settings. * * @return array */ private function clear_disabled_settings( array $settings ): array { if ( $settings['qr_code'] !== 'none' ) { return $settings; } $settings['qr_code_page_id'] = 0; $settings['qr_code_url'] = ''; $settings['qr_code_logo'] = 'wpforms'; $settings['qr_code_logo_id'] = 0; $settings['qr_code_generated'] = ''; return $settings; } /** * Whitelist a value against the allowed list. * * @since 2.0.1 * * @param mixed $value Raw value. * @param array $allowed Allowed values. * @param string $fallback Fallback value. * * @return string */ private function whitelist( $value, array $allowed, string $fallback ): string { return in_array( $value, $allowed, true ) ? $value : $fallback; } /** * Sanitize a destination URL: http/https schemes only. * * @since 2.0.1 * * @param mixed $url Raw URL. * * @return string */ private function sanitize_url( $url ): string { return esc_url_raw( (string) $url, [ 'http', 'https' ] ); } }