sanitize_text_field(
                            $filename
                        ),

                    'post_content' =>
                        '',

                    'post_status' =>
                        'inherit',

                    'post_author' =>
                        $user->ID,
                );

                $attachment_id = wp_insert_attachment(
                    $attachment,
                    $file_path
                );

                if (is_wp_error($attachment_id)) {
                    return new WP_Error(
                        'attachment_failed',
                        'Could not create Media Library attachment.',
                        array('status' => 500)
                    );
                }

                $metadata =
                    wp_generate_attachment_metadata(
                        $attachment_id,
                        $file_path
                    );

                if ($metadata) {
                    wp_update_attachment_metadata(
                        $attachment_id,
                        $metadata
                    );
                }

                return array(
                    'success' =>
                        true,

                    'attachment_id' =>
                        (int) $attachment_id,

                    'url' =>
                        $file_url,

                    'message' =>
                        'Image uploaded successfully.',
                );
            },

            'permission_callback' => '__return_true',
        )
    );


    /*
    |--------------------------------------------------------------------------
    | DEBUG ROUTES
    |--------------------------------------------------------------------------
    */

    register_rest_route(
        'shoptek-api/v1',
        '/debug/routes',
        array(
            'methods' => 'GET',

            'callback' => function () {

                return array(
                    'success' => true,

                    'message' =>
                        'Shoptek API routes are registered.',

                    'version' =>
                        '1.6',

                    'routes' => array(

                        'PING' =>
                            '/shoptek-api/v1/ping',

                        'LOGIN' =>
                            '/shoptek-api/v1/vendor/login',

                        'GET' =>
                            '/shoptek-api/v1/vendor/products',

                        'POST' =>
                            '/shoptek-api/v1/vendor/products',

                        'GET_CATEGORIES' =>
                            '/shoptek-api/v1/vendor/categories',

                        'CREATE_CATEGORY' =>
                            '/shoptek-api/v1/vendor/categories',

                        'UPLOAD' =>
                            '/shoptek-api/v1/vendor/upload',
                    ),
                );
            },

            'permission_callback' =>
                '__return_true',
        )
    );

});
Warning: Cannot modify header information - headers already sent by (output started at /usr/www/users/shoptgvzup/wp-content/plugins/shoptek-api/shoptek-api.php:1) in /usr/www/users/shoptgvzup/wp-includes/sitemaps/class-wp-sitemaps-renderer.php on line 126
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://shoptek.co.za/wp-sitemap-index.xsl" ?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://shoptek.co.za/wp-sitemap-posts-post-1.xml</loc></sitemap><sitemap><loc>https://shoptek.co.za/wp-sitemap-posts-page-1.xml</loc></sitemap><sitemap><loc>https://shoptek.co.za/wp-sitemap-posts-product-1.xml</loc></sitemap><sitemap><loc>https://shoptek.co.za/wp-sitemap-taxonomies-category-1.xml</loc></sitemap><sitemap><loc>https://shoptek.co.za/wp-sitemap-taxonomies-product_cat-1.xml</loc></sitemap><sitemap><loc>https://shoptek.co.za/wp-sitemap-users-1.xml</loc></sitemap></sitemapindex>