<?php
function install_and_activate_plugins() {
    /**
     * Install Plugin.
     */
    include_once ABSPATH . '/wp-admin/includes/file.php';
    include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
    include_once ABSPATH . 'wp-admin/includes/plugin-install.php';

    if ( ! file_exists( WP_PLUGIN_DIR . '/elementor' ) ) {
        $api = plugins_api( 'plugin_information', array(
            'slug'   => sanitize_key( wp_unslash( 'elementor' ) ),
            'fields' => array(
                'sections' => false,
            ),
        ) );
        $skin     = new WP_Ajax_Upgrader_Skin();
        $upgrader = new Plugin_Upgrader( $skin );
        $result   = $upgrader->install( $api->download_link );
    }
    if ( ! file_exists( WP_PLUGIN_DIR . '/wordpress-importer' ) ) {
        $api = plugins_api( 'plugin_information', array(
            'slug'   => sanitize_key( wp_unslash( 'wordpress-importer' ) ),
            'fields' => array(
                'sections' => false,
            ),
        ) );
        $skin     = new WP_Ajax_Upgrader_Skin();
        $upgrader = new Plugin_Upgrader( $skin );
        $result   = $upgrader->install( $api->download_link );
    }
    if ( ! file_exists( WP_PLUGIN_DIR . '/rs-wp-books-showcase' ) ) {
        $api = plugins_api( 'plugin_information', array(
            'slug'   => sanitize_key( wp_unslash( 'rs-wp-books-showcase' ) ),
            'fields' => array(
                'sections' => false,
            ),
        ) );
        $skin     = new WP_Ajax_Upgrader_Skin();
        $upgrader = new Plugin_Upgrader( $skin );
        $result   = $upgrader->install( $api->download_link );
    }
    // Activate plugin.
    if ( current_user_can( 'activate_plugin' ) ) {
        $result = activate_plugin( 'rs-wp-books-showcase/rs-wp-books-showcase.php' );
        $result = activate_plugin( 'elementor/elementor.php' );
        $result = activate_plugin( 'wordpress-importer/wordpress-importer.php' );
    }
}
