/**
 * Adds "Product CPE Hours" field to WooCommerce Products
*/


// Display Fields
add_action('woocommerce_product_options_general_product_data', 'woocommerce_product_custom_fields');

// Save Fields
add_action('woocommerce_process_product_meta', 'woocommerce_product_custom_fields_save');


function woocommerce_product_custom_fields()
{
    global $woocommerce, $post;
    echo '<div class="product_custom_field">';

    //Custom Product CPE Hours Field
    woocommerce_wp_text_input(
        array(
            'id' => '_product_cpe_hours',
            'placeholder' => 'Course CPE Hours',
            'label' => __('Course CPE Hours', 'woocommerce'),
            'type' => 'number',
            'custom_attributes' => array(
                'step' => 'any',
                'min' => '0'
            )
        )
    );

    echo '</div>';

}

function woocommerce_product_custom_fields_save($post_id)
{
 // Custom Product CPE Hours Field
    $woocommerce_product_cpe_hours = $_POST['_product_cpe_hours'];
    if (!empty($woocommerce_product_cpe_hours))
        update_post_meta($post_id, '_product_cpe_hours', esc_attr($woocommerce_product_cpe_hours));
}