Create WordPress Pages Programmatically

<?php
declare(strict_types=1);
function your_theme_create_page($page_title, $page_content)
{
    $page_obj = get_page_by_title($page_title, 'OBJECT', 'page');

    if ($page_obj) {

        return false;

        exit();

    }

    $page_args = array(

        'post_type'      => 'page',

        'post_status'    => 'publish',

        'post_title'     => ucwords($page_title),

        'post_name'      => strtolower(trim($page_title)),

        'post_content'   => $page_content,

    );

    $page_id = wp_insert_post($page_args);

    return $page_id;

}
// Second Section of Code
add_action('after_switch_theme', 'my_custom_pages_on_theme_activation');

function my_custom_pages_on_theme_activation()
{

  $pages_array = array(
    'Home' => '',
    'News' => '',
    'Products' => '',
    'Policy' => '',
    'Services' => '',
    'Tool Brands' => '',

    );

    foreach ($pages_array as $page_title => $page_content) {

        $current_page = your_theme_create_page($page_title, $page_content);

        if (false != $current_page) {

            add_action('admin_notices', function () use ($page_title) {

?>

                <div class="notice notice-success is-dismissible">

                    <p><?php echo "Done! {$page_title} has been created"; ?></p>

                </div>

            <?php

            });

        } else {

            add_action('admin_notices', function () use ($page_title) {

            ?>

                <div class="notice notice-warning is-dismissible">

                    <p><?php echo "{$page_title} was not created! Check whether it already exists"; ?></p>

                </div>

<?php

            });

        }

    }

    $blog_page = get_page_by_title('news', 'OBJECT', 'page');

    if ($blog_page) {

        update_option('page_for_posts', $blog_page->ID);

    }

    $front_home_page = get_page_by_title('home', 'OBJECT', 'page');

    if ($front_home_page) {

        update_option('page_on_front', $front_home_page->ID);

        update_option('show_on_front', 'page');

    }

}