create custom post type post from form

					<?php

namespace WPTurbo;

function wpturbo_register_product_post_type() {
    register_post_type('product',
        array(
            'labels'      => array(
                'name'          => __('Products', 'wpturbo'),
                'singular_name' => __('Product', 'wpturbo'),
            ),
            'public'      => true,
            'has_archive' => true,
            'show_in_rest' => true,
            'supports'    => array(
                'title',
                'editor',
                'thumbnail',
                'excerpt',
                'custom-fields',
            ),
        )
    );
}
add_action('init', 'WPTurbowpturbo_register_product_post_type');

function wpturbo_create_product_post() {
    if (isset($_POST['wpturbo_product_submit'])) {
        $post_data = array(
            'post_title'   => sanitize_text_field($_POST['product_title']),
            'post_content' => sanitize_textarea_field($_POST['product_description']),
            'post_status'  => 'publish',
            'post_type'    => 'product',
        );
        
        $post_id = wp_insert_post($post_data);
        
        if (is_wp_error($post_id)) {
            // Handle error
            echo "Error creating product: " . $post_id->get_error_message();
        } else {
            // Success message
            echo "Product created successfully!";
        }
    }
}
add_action('init', 'WPTurbowpturbo_create_product_post');

function wpturbo_product_form() {
    ?>
    <form method="POST">
        <label for="product_title">Product Title:</label>
        <input type="text" name="product_title" required />

        <label for="product_description">Product Description:</label>
        <textarea name="product_description" required></textarea>

        <input type="submit" name="wpturbo_product_submit" value="Create Product" />
    </form>
    <?php
}
add_shortcode('wpturbo_product_form', 'WPTurbowpturbo_product_form');