Make multiple pages,set template,content theme wordpress

if (isset($_GET['activated']) && is_admin()){
    add_action('init', 'create_initial_pages');
}
function create_initial_pages() {

$pages = array(
     // Page Title and URL (a blank space will end up becomeing a dash "-")
    'Services' => array(
        // Page Content     // Template to use (if left blank the default template will be used)
        'Services Content'=>'page-bottom-sidebar.php'),

    'Prices' => array(
        'Prices Content'=>'page-wide.php'),

    'F A Q' => array(
        'FAQ Content'=>' '),
);

foreach($pages as $page_url_title => $page_meta) {
        $id = get_page_by_title($page_url_title);

    foreach ($page_meta as $page_content=>$page_template){
    $page = array(
        'post_type'   => 'page',
        'post_title'  => $page_url_title,
        'post_name'   => $page_url_title,
        'post_status' => 'publish',
        'post_content' => $page_content,
        'post_author' => 1,
        'post_parent' => ''
    );

    if(!isset($id->ID)){
        $new_page_id = wp_insert_post($page);
        if(!empty($page_template)){
                update_post_meta($new_page_id, '_wp_page_template', $page_template);
        }
    }
 }
};
}