JezK

Edit File: WhatsNew.php

<?php

namespace WeDevs\Dokan\Admin\Notices;

/**
 * What's new notice handler class
 *
 * @since 3.3.3
 */
class WhatsNew {
    /**
     * Class Constructor
     *
     * @since 3.3.3
     */
    public function __construct() {
        add_filter( 'dokan_admin_notices', [ $this, 'show_whats_new_notice' ] );
        add_action( 'wp_ajax_dokan-whats-new-notice', [ $this, 'dismiss_new_notice' ] );
    }

/**
     * Show update notice
     *
     * @since 3.3.3
     *
     * @param array $notices
     *
     * @return array
     */
    public function show_whats_new_notice( $notices ) {
        if ( ! current_user_can( 'manage_options' ) ) {
            return $notices;
        }

// check if it has already been dismissed
        $versions = get_option( 'dokan_lite_whats_new_versions', array() );

if ( in_array( DOKAN_PLUGIN_VERSION, $versions, true ) ) {
            return $notices;
        }

$is_legacy_changelog_page = get_transient( 'dokan_legacy_changelog_page' );
        $changelog_page_slug      = $is_legacy_changelog_page ? 'dokan' : 'dokan-dashboard';
        $changelog_url            = admin_url( 'admin.php?page=' . $changelog_page_slug ) . '#/changelog';

$notices[] = [
            'type'              => 'info',
            /* translators: %s: plugin version */
            'title'             => sprintf( __( 'Check What\'s new in Dokan Version %s', 'dokan-lite' ), DOKAN_PLUGIN_VERSION ),
            'priority'          => 10,
            'show_close_button' => true,
            'ajax_data'         => [
                'dokan_promotion_dismissed' => true,
                'action'                    => 'dokan-whats-new-notice',
                'nonce'                     => wp_create_nonce( 'dokan_admin' ),
            ],
            'actions'           => [
                [
                    'type'   => 'primary',
                    'text'   => __( 'View Details', 'dokan-lite' ),
                    'action' => esc_url( $changelog_url ),
                ],
            ],
        ];

return $notices;
    }

/**
     * Dismiss new notice
     *
     * @since 3.3.3
     *
     * @return void
     */
    public function dismiss_new_notice() {
        if ( ! isset( $_POST['nonce'] ) || ! wp_verify_nonce( sanitize_key( wp_unslash( $_POST['nonce'] ) ), 'dokan_admin' ) ) {
            wp_send_json_error( __( 'Invalid nonce', 'dokan-lite' ) );
        }

if ( ! current_user_can( 'manage_options' ) ) {
            return;
        }

if ( ! empty( sanitize_key( wp_unslash( $_POST['dokan_promotion_dismissed'] ) ) ) ) {
            $versions = get_option( 'dokan_lite_whats_new_versions', array() );

if ( ! in_array( DOKAN_PLUGIN_VERSION, $versions, true ) ) {
                $versions[] = DOKAN_PLUGIN_VERSION;
            }

update_option( 'dokan_lite_whats_new_versions', $versions );

wp_send_json_success();
        }
    }
}

XML-RPC server accepts POST requests only.