Get all WooCommerce product ids

functions.php

<?php
/**
 * Function to fetch all WooCommerce product ids.
 */
function get_all_wc_products_ids() {

    $args = array( 
            'post_type'         => array( 'product' ), 
            'posts_per_page'    => -1,
            'post_status'       => array( 'publish', 'pending', 'draft', 'auto-draft', 'future', 'private', 'inherit', 'trash' ), // 'all'            
        );

        $product        = get_posts( $args );    
        $all_products   = array();
        
        foreach ( $product as $k => $value ) {
        	$all_products[] = $value->ID;
        }            

    return $all_products;
}
?>